-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define _GNU_SOURCE
#endif
+#include <mntent.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <dirent.h>
#include <stdarg.h>
#include <sys/stat.h>
+#include <sys/statfs.h>
#include <sys/types.h>
#include <sys/syscall.h>
#include <sys/xattr.h>
#include <fnmatch.h>
#include <glob.h>
+#include <libgen.h> /* for dirname() */
#ifdef HAVE_LINUX_UNISTD_H
#include <linux/unistd.h>
#else
#endif
#include <poll.h>
-#include <liblustre.h>
+#include <libcfs/libcfs.h>
#include <lnet/lnetctl.h>
-#include <obd.h>
-#include <lustre_lib.h>
-#include <obd_lov.h>
-#include <lustre/liblustreapi.h>
-
-static unsigned llapi_dir_filetype_table[] = {
- [DT_UNKNOWN]= 0,
- [DT_FIFO]= S_IFIFO,
- [DT_CHR] = S_IFCHR,
- [DT_DIR] = S_IFDIR,
- [DT_BLK] = S_IFBLK,
- [DT_REG] = S_IFREG,
- [DT_LNK] = S_IFLNK,
- [DT_SOCK]= S_IFSOCK,
-#if defined(DT_DOOR) && defined(S_IFDOOR)
- [DT_DOOR]= S_IFDOOR,
-#endif
-};
-
-#if defined(DT_DOOR) && defined(S_IFDOOR)
-static const int DT_MAX = DT_DOOR;
-#else
-static const int DT_MAX = DT_SOCK;
-#endif
+#include <lustre/lustreapi.h>
+#include <lustre_ioctl.h>
+#include "lustreapi_internal.h"
-static unsigned llapi_filetype_dir_table[] = {
- [0]= DT_UNKNOWN,
- [S_IFIFO]= DT_FIFO,
- [S_IFCHR] = DT_CHR,
- [S_IFDIR] = DT_DIR,
- [S_IFBLK] = DT_BLK,
- [S_IFREG] = DT_REG,
- [S_IFLNK] = DT_LNK,
- [S_IFSOCK]= DT_SOCK,
-#if defined(DT_DOOR) && defined(S_IFDOOR)
- [S_IFDOOR]= DT_DOOR,
-#endif
-};
-
-#if defined(DT_DOOR) && defined(S_IFDOOR)
-static const int S_IFMAX = DT_DOOR;
-#else
-static const int S_IFMAX = DT_SOCK;
-#endif
-
-/* liblustreapi message level */
static int llapi_msg_level = LLAPI_MSG_MAX;
void llapi_msg_set_level(int level)
llapi_msg_level = level;
}
-void llapi_err(int level, char *fmt, ...)
+int llapi_msg_get_level(void)
+{
+ return llapi_msg_level;
+}
+
+static void error_callback_default(enum llapi_message_level level, int err,
+ const char *fmt, va_list ap)
{
- va_list args;
- int tmp_errno = abs(errno);
+ vfprintf(stderr, fmt, ap);
+ if (level & LLAPI_MSG_NO_ERRNO)
+ fprintf(stderr, "\n");
+ else
+ fprintf(stderr, ": %s (%d)\n", strerror(err), err);
+}
- if ((level & LLAPI_MSG_MASK) > llapi_msg_level)
- return;
+static void info_callback_default(enum llapi_message_level level, int err,
+ const char *fmt, va_list ap)
+{
+ vfprintf(stdout, fmt, ap);
+}
- va_start(args, fmt);
- vfprintf(stderr, fmt, args);
- va_end(args);
+static llapi_log_callback_t llapi_error_callback = error_callback_default;
+static llapi_log_callback_t llapi_info_callback = info_callback_default;
- if (level & LLAPI_MSG_NO_ERRNO)
- fprintf(stderr, "\n");
- else
- fprintf(stderr, ": %s (%d)\n", strerror(tmp_errno), tmp_errno);
+
+/* llapi_error will preserve errno */
+void llapi_error(enum llapi_message_level level, int err, const char *fmt, ...)
+{
+ va_list args;
+ int tmp_errno = errno;
+
+ if ((level & LLAPI_MSG_MASK) > llapi_msg_level)
+ return;
+
+ va_start(args, fmt);
+ llapi_error_callback(level, abs(err), fmt, args);
+ va_end(args);
+ errno = tmp_errno;
}
-#define llapi_err_noerrno(level, fmt, a...) \
- llapi_err((level) | LLAPI_MSG_NO_ERRNO, fmt, ## a)
+/* llapi_printf will preserve errno */
+void llapi_printf(enum llapi_message_level level, const char *fmt, ...)
+{
+ va_list args;
+ int tmp_errno = errno;
+
+ if ((level & LLAPI_MSG_MASK) > llapi_msg_level)
+ return;
+
+ va_start(args, fmt);
+ llapi_info_callback(level, 0, fmt, args);
+ va_end(args);
+ errno = tmp_errno;
+}
+
+/**
+ * Set a custom error logging function. Passing in NULL will reset the logging
+ * callback to its default value.
+ *
+ * This function returns the value of the old callback.
+ */
+llapi_log_callback_t llapi_error_callback_set(llapi_log_callback_t cb)
+{
+ llapi_log_callback_t old = llapi_error_callback;
+
+ if (cb != NULL)
+ llapi_error_callback = cb;
+ else
+ llapi_error_callback = error_callback_default;
+
+ return old;
+}
-void llapi_printf(int level, char *fmt, ...)
+/**
+ * Set a custom info logging function. Passing in NULL will reset the logging
+ * callback to its default value.
+ *
+ * This function returns the value of the old callback.
+ */
+llapi_log_callback_t llapi_info_callback_set(llapi_log_callback_t cb)
{
- va_list args;
+ llapi_log_callback_t old = llapi_info_callback;
- if ((level & LLAPI_MSG_MASK) > llapi_msg_level)
- return;
+ if (cb != NULL)
+ llapi_info_callback = cb;
+ else
+ llapi_info_callback = info_callback_default;
- va_start(args, fmt);
- vfprintf(stdout, fmt, args);
- va_end(args);
+ return old;
}
/**
- * size_units is unchanged if no specifier used
+ * size_units is to be initialized (or zeroed) by caller.
*/
-int parse_size(char *optarg, unsigned long long *size,
- unsigned long long *size_units, int bytes_spec)
+int llapi_parse_size(const char *optarg, unsigned long long *size,
+ unsigned long long *size_units, int bytes_spec)
{
char *end;
+ if (strncmp(optarg, "-", 1) == 0)
+ return -1;
+
+ if (*size_units == 0)
+ *size_units = 1;
+
*size = strtoull(optarg, &end, 0);
if (*end != '\0') {
- if ((*end == 'b') && *(end+1) == '\0' &&
+ if ((*end == 'b') && *(end + 1) == '\0' &&
(*size & (~0ULL << (64 - 9))) == 0 &&
!bytes_spec) {
- *size <<= 9;
*size_units = 1 << 9;
- } else if ((*end == 'b') && *(end+1) == '\0' &&
+ } else if ((*end == 'b') &&
+ *(end + 1) == '\0' &&
bytes_spec) {
*size_units = 1;
} else if ((*end == 'k' || *end == 'K') &&
- *(end+1) == '\0' && (*size &
- (~0ULL << (64 - 10))) == 0) {
- *size <<= 10;
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 10))) == 0) {
*size_units = 1 << 10;
} else if ((*end == 'm' || *end == 'M') &&
- *(end+1) == '\0' && (*size &
- (~0ULL << (64 - 20))) == 0) {
- *size <<= 20;
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 20))) == 0) {
*size_units = 1 << 20;
} else if ((*end == 'g' || *end == 'G') &&
- *(end+1) == '\0' && (*size &
- (~0ULL << (64 - 30))) == 0) {
- *size <<= 30;
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 30))) == 0) {
*size_units = 1 << 30;
} else if ((*end == 't' || *end == 'T') &&
- *(end+1) == '\0' && (*size &
- (~0ULL << (64 - 40))) == 0) {
- *size <<= 40;
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 40))) == 0) {
*size_units = 1ULL << 40;
} else if ((*end == 'p' || *end == 'P') &&
- *(end+1) == '\0' && (*size &
- (~0ULL << (64 - 50))) == 0) {
- *size <<= 50;
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 50))) == 0) {
*size_units = 1ULL << 50;
} else if ((*end == 'e' || *end == 'E') &&
- *(end+1) == '\0' && (*size &
- (~0ULL << (64 - 60))) == 0) {
- *size <<= 60;
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 60))) == 0) {
*size_units = 1ULL << 60;
} else {
return -1;
}
}
-
+ *size *= *size_units;
return 0;
}
+/* XXX: llapi_xxx() functions return negative values upon failure */
+
int llapi_stripe_limit_check(unsigned long long stripe_size, int stripe_offset,
- int stripe_count, int stripe_pattern)
-{
- int page_size;
-
- /* 64 KB is the largest common page size I'm aware of (on ia64), but
- * check the local page size just in case. */
- page_size = LOV_MIN_STRIPE_SIZE;
- if (getpagesize() > page_size) {
- page_size = getpagesize();
- llapi_err_noerrno(LLAPI_MSG_WARN,
- "warning: your page size (%u) is "
- "larger than expected (%u)", page_size,
- LOV_MIN_STRIPE_SIZE);
- }
- if (stripe_size < 0 || (stripe_size & (LOV_MIN_STRIPE_SIZE - 1))) {
- llapi_err(LLAPI_MSG_ERROR, "error: bad stripe_size %lu, "
- "must be an even multiple of %d bytes",
- stripe_size, page_size);
- return -EINVAL;
- }
- if (stripe_offset < -1 || stripe_offset > MAX_OBD_DEVICES) {
- errno = -EINVAL;
- llapi_err(LLAPI_MSG_ERROR, "error: bad stripe offset %d",
- stripe_offset);
- return -EINVAL;
- }
- if (stripe_count < -1 || stripe_count > LOV_MAX_STRIPE_COUNT) {
- errno = -EINVAL;
- llapi_err(LLAPI_MSG_ERROR, "error: bad stripe count %d",
- stripe_count);
- return -EINVAL;
- }
- if (stripe_size >= (1ULL << 32)){
- errno = -EINVAL;
- llapi_err(LLAPI_MSG_ERROR, "warning: stripe size larger than 4G"
- " is not currently supported and would wrap");
- return -EINVAL;
+ int stripe_count, int stripe_pattern)
+{
+ int page_size, rc;
+
+ /* 64 KB is the largest common page size I'm aware of (on ia64), but
+ * check the local page size just in case. */
+ page_size = LOV_MIN_STRIPE_SIZE;
+ if (getpagesize() > page_size) {
+ page_size = getpagesize();
+ llapi_err_noerrno(LLAPI_MSG_WARN,
+ "warning: your page size (%u) is "
+ "larger than expected (%u)", page_size,
+ LOV_MIN_STRIPE_SIZE);
+ }
+ if (!llapi_stripe_size_is_aligned(stripe_size)) {
+ rc = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe_size %llu, "
+ "must be an even multiple of %d bytes",
+ stripe_size, page_size);
+ return rc;
+ }
+ if (!llapi_stripe_offset_is_valid(stripe_offset)) {
+ rc = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe offset %d",
+ stripe_offset);
+ return rc;
+ }
+ if (!llapi_stripe_count_is_valid(stripe_count)) {
+ rc = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe count %d",
+ stripe_count);
+ return rc;
+ }
+ if (llapi_stripe_size_is_too_big(stripe_size)) {
+ rc = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "warning: stripe size 4G or larger "
+ "is not currently supported and would wrap");
+ return rc;
+ }
+ return 0;
+}
+
+/* return the first file matching this pattern */
+static int first_match(char *pattern, char *buffer)
+{
+ glob_t glob_info;
+
+ if (glob(pattern, GLOB_BRACE, NULL, &glob_info))
+ return -ENOENT;
+
+ if (glob_info.gl_pathc < 1) {
+ globfree(&glob_info);
+ return -ENOENT;
}
+
+ strcpy(buffer, glob_info.gl_pathv[0]);
+
+ globfree(&glob_info);
return 0;
}
}
/*
+ * Trim a trailing newline from a string, if it exists.
+ */
+int llapi_chomp_string(char *buf)
+{
+ if (!buf || !*buf)
+ return 0;
+
+ while (buf[1])
+ buf++;
+
+ if (*buf != '\n')
+ return 0;
+
+ *buf = '\0';
+ return '\n';
+}
+
+/**
+ * return a parameter string for a specific device type or mountpoint
+ *
+ * \param param_path the path to the file containing parameter data
+ * \param result buffer for parameter value string
+ * \param result_size size of buffer for return value
+ *
+ * The \param param_path is appended to /proc/{fs,sys}/{lnet,lustre} to
+ * complete the absolute path to the file containing the parameter data
+ * the user is requesting. If that file exist then the data is read from
+ * the file and placed into the \param result buffer that is passed by
+ * the user. Data is only copied up to the \param result_size to prevent
+ * overflow of the array.
+ *
+ * Return 0 for success, with a NUL-terminated string in \param result.
+ * Return -ve value for error.
+ */
+int get_param(const char *param_path, char *result,
+ unsigned int result_size)
+{
+ char file[PATH_MAX + 1], pattern[PATH_MAX + 1], buf[result_size];
+ FILE *fp = NULL;
+ int rc = 0;
+
+ snprintf(pattern, PATH_MAX, "/proc/{fs,sys}/{lnet,lustre}/%s",
+ param_path);
+ rc = first_match(pattern, file);
+ if (rc != 0 || result == NULL)
+ return rc;
+
+ fp = fopen(file, "r");
+ if (fp != NULL) {
+ while (fgets(buf, result_size, fp) != NULL)
+ strcpy(result, buf);
+ fclose(fp);
+ } else {
+ rc = -errno;
+ }
+ return rc;
+}
+
+#define DEVICES_LIST "/proc/fs/lustre/devices"
+
+/**
+ * return a parameter string for a specific device type or mountpoint
+ *
+ * \param fsname Lustre filesystem name (optional)
+ * \param file_path path to file in filesystem (optional, if fsname unset)
+ * \param obd_type Lustre OBD device type
+ * \param param_name parameter name to fetch
+ * \param value return buffer for parameter value string
+ * \param val_len size of buffer for return value
+ *
+ * If fsname is specified then the parameter will be from that filesystem
+ * (if it exists). If file_path is given and it is in a mounted Lustre
+ * filesystem, then the parameter will be otherwise the value may be
+ * from any mounted filesystem (if there is more than one).
+ *
+ * If "obd_type" matches a Lustre device then the first matching device
+ * (as with "lctl dl", constrained by \param fsname or \param mount_path)
+ * will be used to provide the return value, otherwise the first such
+ * device found will be used.
+ *
+ * Return 0 for success, with a NUL-terminated string in \param buffer.
+ * Return -ve value for error.
+ */
+static int get_param_obdvar(const char *fsname, const char *file_path,
+ const char *obd_type, const char *param_name,
+ char *value, unsigned int val_len)
+{
+ char devices[PATH_MAX];
+ char dev[PATH_MAX] = "*";
+ char fs[PATH_MAX];
+ FILE *fp = NULL;
+ int rc = 0;
+
+ fp = fopen(DEVICES_LIST, "r");
+ if (fp == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: opening "DEVICES_LIST);
+ goto out;
+ }
+
+ if (fsname == NULL && file_path != NULL) {
+ rc = llapi_search_fsname(file_path, fs);
+ if (rc) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "'%s' is not on a Lustre filesystem",
+ file_path);
+ goto out;
+ }
+ } else if (fsname != NULL) {
+ rc = strlcpy(fs, fsname, sizeof(fs));
+ if (rc >= sizeof(fs)) {
+ rc = -E2BIG;
+ goto out;
+ }
+ }
+
+ while (fgets(devices, sizeof(devices) - 1, fp) != NULL) {
+ char *bufp = devices, *tmp;
+
+ devices[sizeof(devices) - 1] = '\0';
+ while (bufp[0] == ' ')
+ ++bufp;
+
+ tmp = strstr(bufp, obd_type);
+ if (tmp != NULL) {
+ tmp += strlen(obd_type) + 1;
+ if (strcmp(tmp, fs))
+ continue;
+ rc = strlcpy(dev, tmp, sizeof(dev));
+ if (rc >= sizeof(dev)) {
+ rc = -E2BIG;
+ goto out;
+ }
+
+ tmp = strchr(dev, ' ');
+ if (tmp != NULL)
+ *tmp = '\0';
+ break;
+ }
+ }
+
+ if (dev[0] == '*' && strlen(fs)) {
+ rc = snprintf(dev, sizeof(dev), "%s-*", fs);
+ if (rc >= sizeof(dev)) {
+ rc = -E2BIG;
+ goto out;
+ }
+ }
+ rc = snprintf(devices, sizeof(devices), "%s/%s/%s", obd_type, dev,
+ param_name);
+ if (rc >= sizeof(devices)) {
+ rc = -E2BIG;
+ goto out;
+ }
+
+ fclose(fp);
+ return get_param(devices, value, val_len);
+out:
+ if (fp != NULL)
+ fclose(fp);
+ return rc;
+}
+
+/*
+ * TYPE one of llite, lmv, lov.
+ * /proc/fs/lustre/TYPE/INST the directory of interest.
+ */
+static int get_param_cli(const char *type, const char *inst,
+ const char *param, char *buf, size_t buf_size)
+{
+ char param_path[PATH_MAX + 1];
+ FILE *param_file = NULL;
+ int rc;
+
+ snprintf(param_path, sizeof(param_path),
+ "/proc/fs/lustre/%s/%s/%s", type, inst, param);
+
+ param_file = fopen(param_path, "r");
+ if (param_file == NULL) {
+ rc = -errno;
+ goto out;
+ }
+
+ if (fgets(buf, buf_size, param_file) == NULL) {
+ rc = -errno;
+ goto out;
+ }
+
+ rc = 0;
+out:
+ if (param_file != NULL)
+ fclose(param_file);
+
+ return rc;
+}
+
+static int get_param_llite(const char *path,
+ const char *param, char *buf, size_t buf_size)
+{
+ char inst[80];
+ int rc;
+
+ rc = llapi_getname(path, inst, sizeof(inst));
+ if (rc != 0)
+ return rc;
+
+ return get_param_cli("llite", inst, param, buf, buf_size);
+}
+
+static int get_param_lov(const char *path,
+ const char *param, char *buf, size_t buf_size)
+{
+ struct obd_uuid uuid;
+ int rc;
+
+ rc = llapi_file_get_lov_uuid(path, &uuid);
+ if (rc != 0)
+ return rc;
+
+ return get_param_cli("lov", uuid.uuid, param, buf, buf_size);
+}
+
+static int get_param_lmv(const char *path,
+ const char *param, char *buf, size_t buf_size)
+{
+ struct obd_uuid uuid;
+ int rc;
+
+ rc = llapi_file_get_lmv_uuid(path, &uuid);
+ if (rc != 0)
+ return rc;
+
+ return get_param_cli("lmv", uuid.uuid, param, buf, buf_size);
+}
+
+static int get_mds_md_size(const char *path)
+{
+ int md_size = lov_user_md_size(LOV_MAX_STRIPE_COUNT, LOV_USER_MAGIC_V3);
+ char buf[80];
+ int rc;
+
+ /* Get the max ea size from llite proc. */
+ rc = get_param_llite(path, "max_easize", buf, sizeof(buf));
+ if (rc != 0)
+ goto out;
+
+ rc = atoi(buf);
+ if (rc > 0)
+ md_size = rc;
+
+out:
+ return md_size;
+}
+
+int llapi_get_agent_uuid(char *path, char *buf, size_t bufsize)
+{
+ return get_param_lmv(path, "uuid", buf, bufsize);
+}
+
+/*
* if pool is NULL, search ostname in target_obd
* if pool is not NULL:
* if pool not found returns errno < 0
if (ostname != NULL)
len = strlen(ostname);
- if (poolname == NULL)
- rc = find_target_obdpath(fsname, buffer);
- else
+ if (poolname == NULL) {
+ if (len == 0)
+ rc = -EINVAL;
+ else
+ rc = find_target_obdpath(fsname, buffer);
+ } else {
rc = find_poolpath(fsname, poolname, buffer);
+ }
if (rc)
return rc;
- if ((fd = fopen(buffer, "r")) == NULL)
- return -EINVAL;
+ fd = fopen(buffer, "r");
+ if (fd == NULL)
+ return -errno;
while (fgets(buffer, sizeof(buffer), fd) != NULL) {
if (poolname == NULL) {
return 0;
}
-int llapi_file_open_pool(const char *name, int flags, int mode,
- unsigned long long stripe_size, int stripe_offset,
- int stripe_count, int stripe_pattern, char *pool_name)
+/**
+ * Open a Lustre file.
+ *
+ * \param name the name of the file to be opened
+ * \param flags access mode, see flags in open(2)
+ * \param mode permission of the file if it is created, see mode in open(2)
+ * \param param stripe pattern of the newly created file
+ *
+ * \retval file descriptor of opened file
+ * \retval negative errno on failure
+ */
+int llapi_file_open_param(const char *name, int flags, mode_t mode,
+ const struct llapi_stripe_param *param)
{
- struct lov_user_md_v3 lum = { 0 };
- int fd, rc = 0;
- int isdir = 0;
-
- /* Make sure we have a good pool */
- if (pool_name != NULL) {
- char fsname[MAX_OBD_NAME + 1], *ptr;
-
- if (llapi_search_fsname(name, fsname)) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "'%s' is not on a Lustre filesystem", name);
- return -EINVAL;
- }
-
- /* in case user gives the full pool name <fsname>.<poolname>,
- * strip the fsname */
- ptr = strchr(pool_name, '.');
- if (ptr != NULL) {
- *ptr = '\0';
- if (strcmp(pool_name, fsname) != 0) {
- *ptr = '.';
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "Pool '%s' is not on filesystem '%s'",
- pool_name, fsname);
- return -EINVAL;
- }
- pool_name = ptr + 1;
- }
-
- /* Make sure the pool exists and is non-empty */
- if ((rc = llapi_search_ost(fsname, pool_name, NULL)) < 1) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "pool '%s.%s' %s", fsname, pool_name,
- rc == 0 ? "has no OSTs" : "does not exist");
- return -EINVAL;
- }
- }
-
- fd = open(name, flags | O_LOV_DELAY_CREATE, mode);
- if (fd < 0 && errno == EISDIR) {
- fd = open(name, O_DIRECTORY | O_RDONLY);
- isdir++;
- }
-
- if (fd < 0) {
- rc = -errno;
- llapi_err(LLAPI_MSG_ERROR, "unable to open '%s'", name);
- return rc;
- }
-
- if ((rc = llapi_stripe_limit_check(stripe_size, stripe_offset,
- stripe_count, stripe_pattern)) != 0){
- errno = rc;
- goto out;
- }
-
- /* Initialize IOCTL striping pattern structure */
- lum.lmm_magic = LOV_USER_MAGIC_V3;
- lum.lmm_pattern = stripe_pattern;
- lum.lmm_stripe_size = stripe_size;
- lum.lmm_stripe_count = stripe_count;
- lum.lmm_stripe_offset = stripe_offset;
- if (pool_name != NULL) {
- strncpy(lum.lmm_pool_name, pool_name, LOV_MAXPOOLNAME);
- } else {
- /* If no pool is specified at all, use V1 request */
- lum.lmm_magic = LOV_USER_MAGIC_V1;
- }
-
- if (ioctl(fd, LL_IOC_LOV_SETSTRIPE, &lum)) {
- char *errmsg = "stripe already set";
- rc = -errno;
- if (errno != EEXIST && errno != EALREADY)
- errmsg = strerror(errno);
-
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "error on ioctl "LPX64" for '%s' (%d): %s",
- (__u64)LL_IOC_LOV_SETSTRIPE, name, fd,errmsg);
- }
-out:
- if (rc) {
- close(fd);
- fd = rc;
- }
+ char fsname[MAX_OBD_NAME + 1] = { 0 };
+ char *pool_name = param->lsp_pool;
+ struct lov_user_md *lum = NULL;
+ size_t lum_size = sizeof(*lum);
+ int fd, rc;
+
+ /* Make sure we are on a Lustre file system */
+ rc = llapi_search_fsname(name, fsname);
+ if (rc) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "'%s' is not on a Lustre filesystem",
+ name);
+ return rc;
+ }
+
+ /* Check if the stripe pattern is sane. */
+ rc = llapi_stripe_limit_check(param->lsp_stripe_size,
+ param->lsp_stripe_offset,
+ param->lsp_stripe_count,
+ param->lsp_stripe_pattern);
+ if (rc != 0)
+ return rc;
+
+ /* Make sure we have a good pool */
+ if (pool_name != NULL) {
+ /* in case user gives the full pool name <fsname>.<poolname>,
+ * strip the fsname */
+ char *ptr = strchr(pool_name, '.');
+ if (ptr != NULL) {
+ *ptr = '\0';
+ if (strcmp(pool_name, fsname) != 0) {
+ *ptr = '.';
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "Pool '%s' is not on filesystem '%s'",
+ pool_name, fsname);
+ return -EINVAL;
+ }
+ pool_name = ptr + 1;
+ }
+
+ /* Make sure the pool exists and is non-empty */
+ rc = llapi_search_ost(fsname, pool_name, NULL);
+ if (rc < 1) {
+ char *err = rc == 0 ? "has no OSTs" : "does not exist";
+
+ llapi_err_noerrno(LLAPI_MSG_ERROR, "pool '%s.%s' %s",
+ fsname, pool_name, err);
+ return -EINVAL;
+ }
+
+ lum_size = sizeof(struct lov_user_md_v3);
+ }
+
+ /* sanity check of target list */
+ if (param->lsp_is_specific) {
+ char ostname[MAX_OBD_NAME + 1];
+ bool found = false;
+ int i;
+
+ for (i = 0; i < param->lsp_stripe_count; i++) {
+ snprintf(ostname, sizeof(ostname), "%s-OST%04x_UUID",
+ fsname, param->lsp_osts[i]);
+ rc = llapi_search_ost(fsname, pool_name, ostname);
+ if (rc <= 0) {
+ if (rc == 0)
+ rc = -ENODEV;
+
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "%s: cannot find OST %s in %s",
+ __func__, ostname,
+ pool_name != NULL ?
+ "pool" : "system");
+ return rc;
+ }
+
+ /* Make sure stripe offset is in OST list. */
+ if (param->lsp_osts[i] == param->lsp_stripe_offset)
+ found = true;
+ }
+ if (!found) {
+ llapi_error(LLAPI_MSG_ERROR, -EINVAL,
+ "%s: stripe offset '%d' is not in the "
+ "target list",
+ __func__, param->lsp_stripe_offset);
+ return -EINVAL;
+ }
+
+ lum_size = lov_user_md_size(param->lsp_stripe_count,
+ LOV_USER_MAGIC_SPECIFIC);
+ }
+
+ lum = calloc(1, lum_size);
+ if (lum == NULL)
+ return -ENOMEM;
+
+retry_open:
+ fd = open(name, flags | O_LOV_DELAY_CREATE, mode);
+ if (fd < 0) {
+ if (errno == EISDIR && !(flags & O_DIRECTORY)) {
+ flags = O_DIRECTORY | O_RDONLY;
+ goto retry_open;
+ }
+ }
+
+ if (fd < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "unable to open '%s'", name);
+ free(lum);
+ return rc;
+ }
+
+ /* Initialize IOCTL striping pattern structure */
+ lum->lmm_magic = LOV_USER_MAGIC_V1;
+ lum->lmm_pattern = param->lsp_stripe_pattern;
+ lum->lmm_stripe_size = param->lsp_stripe_size;
+ lum->lmm_stripe_count = param->lsp_stripe_count;
+ lum->lmm_stripe_offset = param->lsp_stripe_offset;
+ if (pool_name != NULL) {
+ struct lov_user_md_v3 *lumv3 = (void *)lum;
+
+ lumv3->lmm_magic = LOV_USER_MAGIC_V3;
+ strncpy(lumv3->lmm_pool_name, pool_name, LOV_MAXPOOLNAME);
+ }
+ if (param->lsp_is_specific) {
+ struct lov_user_md_v3 *lumv3 = (void *)lum;
+ int i;
+
+ lumv3->lmm_magic = LOV_USER_MAGIC_SPECIFIC;
+ if (pool_name == NULL) {
+ /* LOV_USER_MAGIC_SPECIFIC uses v3 format plus specified
+ * OST list, therefore if pool is not specified we have
+ * to pack a null pool name for placeholder. */
+ memset(lumv3->lmm_pool_name, 0, LOV_MAXPOOLNAME);
+ }
+
+ for (i = 0; i < param->lsp_stripe_count; i++)
+ lumv3->lmm_objects[i].l_ost_idx = param->lsp_osts[i];
+ }
+
+ if (ioctl(fd, LL_IOC_LOV_SETSTRIPE, lum) != 0) {
+ char *errmsg = "stripe already set";
+
+ rc = -errno;
+ if (errno != EEXIST && errno != EALREADY)
+ errmsg = strerror(errno);
+
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error on ioctl "LPX64" for '%s' (%d): %s",
+ (__u64)LL_IOC_LOV_SETSTRIPE, name, fd,
+ errmsg);
+
+ close(fd);
+ fd = rc;
+ }
+
+ free(lum);
+
+ return fd;
+}
- return fd;
+int llapi_file_open_pool(const char *name, int flags, int mode,
+ unsigned long long stripe_size, int stripe_offset,
+ int stripe_count, int stripe_pattern, char *pool_name)
+{
+ const struct llapi_stripe_param param = {
+ .lsp_stripe_size = stripe_size,
+ .lsp_stripe_count = stripe_count,
+ .lsp_stripe_pattern = stripe_pattern,
+ .lsp_stripe_offset = stripe_offset,
+ .lsp_pool = pool_name
+ };
+ return llapi_file_open_param(name, flags, mode, ¶m);
}
int llapi_file_open(const char *name, int flags, int mode,
return 0;
}
+int llapi_dir_set_default_lmv_stripe(const char *name, int stripe_offset,
+ int stripe_count, int stripe_pattern,
+ const char *pool_name)
+{
+ struct lmv_user_md lum = { 0 };
+ int fd;
+ int rc = 0;
+
+ lum.lum_magic = LMV_USER_MAGIC;
+ lum.lum_stripe_offset = stripe_offset;
+ lum.lum_stripe_count = stripe_count;
+ lum.lum_hash_type = stripe_pattern;
+ if (pool_name != NULL) {
+ if (strlen(pool_name) >= sizeof(lum.lum_pool_name)) {
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error LL_IOC_LMV_SET_DEFAULT_STRIPE '%s'"
+ ": too large pool name: %s", name, pool_name);
+ return -E2BIG;
+ }
+ strncpy(lum.lum_pool_name, pool_name,
+ sizeof(lum.lum_pool_name));
+ }
+
+ fd = open(name, O_DIRECTORY | O_RDONLY);
+ if (fd < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "unable to open '%s'", name);
+ return rc;
+ }
+
+ rc = ioctl(fd, LL_IOC_LMV_SET_DEFAULT_STRIPE, &lum);
+ if (rc < 0) {
+ char *errmsg = "stripe already set";
+ rc = -errno;
+ if (errno != EEXIST && errno != EALREADY)
+ errmsg = strerror(errno);
+
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error on LL_IOC_LMV_SETSTRIPE '%s' (%d): %s",
+ name, fd, errmsg);
+ }
+ close(fd);
+ return rc;
+}
+
+int llapi_dir_create_pool(const char *name, int mode, int stripe_offset,
+ int stripe_count, int stripe_pattern,
+ const char *pool_name)
+{
+ struct lmv_user_md lmu = { 0 };
+ struct obd_ioctl_data data = { 0 };
+ char rawbuf[8192];
+ char *buf = rawbuf;
+ char *dirpath = NULL;
+ char *namepath = NULL;
+ char *dir;
+ char *filename;
+ int fd = -1;
+ int rc;
+
+ dirpath = strdup(name);
+ namepath = strdup(name);
+ if (!dirpath || !namepath)
+ return -ENOMEM;
+
+ lmu.lum_magic = LMV_USER_MAGIC;
+ lmu.lum_stripe_offset = stripe_offset;
+ lmu.lum_stripe_count = stripe_count;
+ lmu.lum_hash_type = stripe_pattern;
+ if (pool_name != NULL) {
+ if (strlen(pool_name) > LOV_MAXPOOLNAME) {
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error LL_IOC_LMV_SETSTRIPE '%s' : too large"
+ "pool name: %s", name, pool_name);
+ rc = -E2BIG;
+ goto out;
+ }
+ memcpy(lmu.lum_pool_name, pool_name, strlen(pool_name));
+ }
+
+ filename = basename(namepath);
+ dir = dirname(dirpath);
+
+ data.ioc_inlbuf1 = (char *)filename;
+ data.ioc_inllen1 = strlen(filename) + 1;
+ data.ioc_inlbuf2 = (char *)&lmu;
+ data.ioc_inllen2 = sizeof(struct lmv_user_md);
+ data.ioc_type = mode;
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: LL_IOC_LMV_SETSTRIPE pack failed '%s'.",
+ name);
+ goto out;
+ }
+
+ fd = open(dir, O_DIRECTORY | O_RDONLY);
+ if (fd < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "unable to open '%s'", name);
+ goto out;
+ }
+
+ if (ioctl(fd, LL_IOC_LMV_SETSTRIPE, buf)) {
+ char *errmsg = "stripe already set";
+ rc = -errno;
+ if (errno != EEXIST && errno != EALREADY)
+ errmsg = strerror(errno);
+
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error on LL_IOC_LMV_SETSTRIPE '%s' (%d): %s",
+ name, fd, errmsg);
+ }
+ close(fd);
+out:
+ free(dirpath);
+ free(namepath);
+ return rc;
+}
+
+int llapi_direntry_remove(char *dname)
+{
+ char *dirpath = NULL;
+ char *namepath = NULL;
+ char *dir;
+ char *filename;
+ int fd = -1;
+ int rc = 0;
+
+ dirpath = strdup(dname);
+ namepath = strdup(dname);
+ if (!dirpath || !namepath)
+ return -ENOMEM;
+
+ filename = basename(namepath);
+
+ dir = dirname(dirpath);
+
+ fd = open(dir, O_DIRECTORY | O_RDONLY);
+ if (fd < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "unable to open '%s'",
+ filename);
+ goto out;
+ }
+
+ if (ioctl(fd, LL_IOC_REMOVE_ENTRY, filename)) {
+ char *errmsg = strerror(errno);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error on ioctl "LPX64" for '%s' (%d): %s",
+ (__u64)LL_IOC_LMV_SETSTRIPE, filename,
+ fd, errmsg);
+ }
+out:
+ free(dirpath);
+ free(namepath);
+ if (fd != -1)
+ close(fd);
+ return rc;
+}
+
/*
* Find the fsname, the full path, and/or an open fd.
* Either the fsname or path must not be NULL
*/
-#define WANT_PATH 0x1
-#define WANT_FSNAME 0x2
-#define WANT_FD 0x4
-#define WANT_INDEX 0x8
-#define WANT_ERROR 0x10
-static int get_root_path(int want, char *fsname, int *outfd, char *path,
- int index)
+int get_root_path(int want, char *fsname, int *outfd, char *path, int index)
{
struct mntent mnt;
char buf[PATH_MAX], mntdir[PATH_MAX];
/* get the mount point */
fp = setmntent(MOUNTED, "r");
if (fp == NULL) {
- llapi_err(LLAPI_MSG_ERROR,
- "setmntent(%s) failed: %s:", MOUNTED,
- strerror (errno));
- return -EIO;
+ rc = -EIO;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "setmntent(%s) failed", MOUNTED);
+ return rc;
}
while (1) {
if (getmntent_r(fp, &mnt, buf, sizeof(buf)) == NULL)
mntlen = strlen(mnt.mnt_dir);
ptr = strrchr(mnt.mnt_fsname, '/');
- if (!ptr && !len) {
- rc = -EINVAL;
- break;
- }
+ /* thanks to the call to llapi_is_lustre_mnt() above,
+ * we are sure that mnt.mnt_fsname contains ":/",
+ * so ptr should never be NULL */
+ if (ptr == NULL)
+ continue;
ptr++;
/* Check the fsname for a match, if given */
if (want & WANT_FD) {
fd = open(mntdir, O_RDONLY | O_DIRECTORY | O_NONBLOCK);
if (fd < 0) {
- perror("open");
rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error opening '%s'", mntdir);
+
} else {
*outfd = fd;
}
}
} else if (want & WANT_ERROR)
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "can't find fs root for '%s': %d",
- (want & WANT_PATH) ? fsname : path, rc);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "can't find fs root for '%s': %d",
+ (want & WANT_PATH) ? fsname : path, rc);
return rc;
}
path = realpath(pathname, NULL);
if (path == NULL) {
- char buf[PATH_MAX + 1], *ptr;
-
- buf[0] = 0;
- if (pathname[0] != '/') {
- /* Need an absolute path, but realpath() only works for
- * pathnames that actually exist. We go through the
- * extra hurdle of dirname(getcwd() + pathname) in
- * case the relative pathname contains ".." in it. */
- if (getcwd(buf, sizeof(buf) - 1) == NULL)
- return -errno;
- strcat(buf, "/");
- }
- strncat(buf, pathname, sizeof(buf) - strlen(buf));
+ char buf[PATH_MAX], *ptr;
+
+ buf[0] = '\0';
+ if (pathname[0] != '/') {
+ /* Need an absolute path, but realpath() only works for
+ * pathnames that actually exist. We go through the
+ * extra hurdle of dirname(getcwd() + pathname) in
+ * case the relative pathname contains ".." in it. */
+ if (getcwd(buf, sizeof(buf) - 2) == NULL)
+ return -errno;
+ rc = strlcat(buf, "/", sizeof(buf));
+ if (rc >= sizeof(buf))
+ return -E2BIG;
+ }
+ rc = strlcat(buf, pathname, sizeof(buf));
+ if (rc >= sizeof(buf))
+ return -E2BIG;
path = realpath(buf, NULL);
if (path == NULL) {
ptr = strrchr(buf, '/');
*ptr = '\0';
path = realpath(buf, NULL);
if (path == NULL) {
- llapi_err(LLAPI_MSG_ERROR,
- "pathname '%s' cannot expand",
- pathname);
- return -errno;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "pathname '%s' cannot expand",
+ pathname);
+ return rc;
}
}
}
return rc;
}
-/* return the first file matching this pattern */
-static int first_match(char *pattern, char *buffer)
+int llapi_search_rootpath(char *pathname, const char *fsname)
{
- glob_t glob_info;
+ return get_root_path(WANT_PATH, (char *)fsname, NULL, pathname, -1);
+}
- if (glob(pattern, GLOB_BRACE, NULL, &glob_info))
- return -ENOENT;
+int llapi_getname(const char *path, char *buf, size_t size)
+{
+ struct obd_uuid uuid_buf;
+ char *uuid = uuid_buf.uuid;
+ int rc, nr;
- if (glob_info.gl_pathc < 1) {
- globfree(&glob_info);
- return -ENOENT;
- }
+ memset(&uuid_buf, 0, sizeof(uuid_buf));
+ rc = llapi_file_get_lov_uuid(path, &uuid_buf);
+ if (rc)
+ return rc;
- strcpy(buffer, glob_info.gl_pathv[0]);
+ /* We want to turn lustre-clilov-ffff88002738bc00 into
+ * lustre-ffff88002738bc00. */
- globfree(&glob_info);
- return 0;
+ nr = snprintf(buf, size, "%.*s-%s",
+ (int) (strlen(uuid) - 24), uuid,
+ uuid + strlen(uuid) - 16);
+
+ if (nr >= size)
+ rc = -ENAMETOOLONG;
+
+ return rc;
}
+
/*
* find the pool directory path under /proc
* (can be also used to test if a fsname is known)
int llapi_get_poolmembers(const char *poolname, char **members,
int list_size, char *buffer, int buffer_size)
{
- char fsname[PATH_MAX + 1];
- char *pool, *tmp;
- char pathname[PATH_MAX + 1];
- char path[PATH_MAX + 1];
- char buf[1024];
+ char fsname[PATH_MAX];
+ char *pool, *tmp;
+ char pathname[PATH_MAX];
+ char path[PATH_MAX];
+ char buf[1024];
FILE *fd;
int rc = 0;
int nb_entries = 0;
int used = 0;
/* name is FSNAME.POOLNAME */
- if (strlen(poolname) > PATH_MAX)
- return -EOVERFLOW;
- strcpy(fsname, poolname);
+ if (strlen(poolname) >= sizeof(fsname))
+ return -EOVERFLOW;
+ strlcpy(fsname, poolname, sizeof(fsname));
pool = strchr(fsname, '.');
if (pool == NULL)
return -EINVAL;
rc = poolpath(fsname, NULL, pathname);
if (rc != 0) {
- errno = -rc;
- llapi_err(LLAPI_MSG_ERROR, "Lustre filesystem '%s' not found",
- fsname);
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Lustre filesystem '%s' not found",
+ fsname);
return rc;
}
llapi_printf(LLAPI_MSG_NORMAL, "Pool: %s.%s\n", fsname, pool);
- sprintf(path, "%s/%s", pathname, pool);
- if ((fd = fopen(path, "r")) == NULL) {
- llapi_err(LLAPI_MSG_ERROR, "Cannot open %s", path);
- return -EINVAL;
+ rc = snprintf(path, sizeof(path), "%s/%s", pathname, pool);
+ if (rc >= sizeof(path))
+ return -EOVERFLOW;
+ fd = fopen(path, "r");
+ if (fd == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "Cannot open %s", path);
+ return rc;
}
rc = 0;
rc = -EOVERFLOW;
break;
}
+ buf[sizeof(buf) - 1] = '\0';
/* remove '\n' */
- if ((tmp = strchr(buf, '\n')) != NULL)
+ tmp = strchr(buf, '\n');
+ if (tmp != NULL)
*tmp='\0';
if (used + strlen(buf) + 1 > buffer_size) {
rc = -EOVERFLOW;
/* only absolute pathname is supported */
if (*name != '/')
return -EINVAL;
+
if (!realpath(name, rname)) {
rc = -errno;
- llapi_err(LLAPI_MSG_ERROR, "invalid path '%s'", name);
+ llapi_error(LLAPI_MSG_ERROR, rc, "invalid path '%s'",
+ name);
return rc;
}
rc = poolpath(NULL, rname, pathname);
if (rc != 0) {
- errno = -rc;
- llapi_err(LLAPI_MSG_ERROR, "'%s' is not"
- " a Lustre filesystem", name);
+ llapi_error(LLAPI_MSG_ERROR, rc, "'%s' is not"
+ " a Lustre filesystem", name);
return rc;
}
- strcpy(fsname, rname);
+ if (strlen(rname) > sizeof(fsname)-1)
+ return -E2BIG;
+ strncpy(fsname, rname, sizeof(fsname));
} else {
/* name is FSNAME */
- strcpy(fsname, name);
+ if (strlen(name) > sizeof(fsname)-1)
+ return -E2BIG;
+ strncpy(fsname, name, sizeof(fsname));
rc = poolpath(fsname, NULL, pathname);
}
if (rc != 0) {
- errno = -rc;
- llapi_err(LLAPI_MSG_ERROR, "Lustre filesystem '%s' not found",
- name);
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Lustre filesystem '%s' not found", name);
return rc;
}
llapi_printf(LLAPI_MSG_NORMAL, "Pools from %s:\n", fsname);
- if ((dir = opendir(pathname)) == NULL) {
- llapi_err(LLAPI_MSG_ERROR, "Could not open pool list for '%s'",
- name);
- return -errno;
+ dir = opendir(pathname);
+ if (dir == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Could not open pool list for '%s'",
+ name);
+ return rc;
}
while(1) {
rc = readdir_r(dir, &pool, &cookie);
if (rc != 0) {
- llapi_err(LLAPI_MSG_ERROR,
- "Error reading pool list for '%s'", name);
- return -errno;
- } else if ((rc == 0) && (cookie == NULL))
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Error reading pool list for '%s'", name);
+ goto out;
+ } else if ((rc == 0) && (cookie == NULL)) {
/* end of directory */
break;
+ }
/* ignore . and .. */
if (!strcmp(pool.d_name, ".") || !strcmp(pool.d_name, ".."))
continue;
/* check output bounds */
- if (nb_entries >= list_size)
- return -EOVERFLOW;
+ if (nb_entries >= list_size) {
+ rc = -EOVERFLOW;
+ goto out;
+ }
/* +2 for '.' and final '\0' */
- if (used + strlen(pool.d_name) + strlen(fsname) + 2
- > buffer_size)
- return -EOVERFLOW;
+ if (used + strlen(pool.d_name) + strlen(fsname) + 2
+ > buffer_size) {
+ rc = -EOVERFLOW;
+ goto out;
+ }
sprintf(buffer + used, "%s.%s", fsname, pool.d_name);
poollist[nb_entries] = buffer + used;
nb_entries++;
}
+out:
closedir(dir);
- return nb_entries;
+ return ((rc != 0) ? rc : nb_entries);
}
/* wrapper for lfs.c and obd.c */
{
/* list of pool names (assume that pool count is smaller
than OST count) */
- char *list[FIND_MAX_OSTS];
- char *buffer;
- /* fsname-OST0000_UUID < 32 char, 1 per OST */
- int bufsize = FIND_MAX_OSTS * 32;
- int i, nb;
-
- buffer = malloc(bufsize);
- if (buffer == NULL)
- return -ENOMEM;
+ char **list, *buffer = NULL, *path = NULL, *fsname = NULL;
+ int obdcount, bufsize, rc, nb, i;
+ char *poolname = NULL, *tmp = NULL, data[16];
+
+ if (name == NULL)
+ return -EINVAL;
+
+ if (name[0] != '/') {
+ fsname = strdup(name);
+ if (fsname == NULL)
+ return -ENOMEM;
+
+ poolname = strchr(fsname, '.');
+ if (poolname)
+ *poolname = '\0';
+ } else {
+ path = (char *) name;
+ }
- if ((name[0] == '/') || (strchr(name, '.') == NULL))
+ rc = get_param_obdvar(fsname, path, "lov", "numobd",
+ data, sizeof(data));
+ if (rc < 0)
+ goto err;
+ obdcount = atoi(data);
+
+ /* Allocate space for each fsname-OST0000_UUID, 1 per OST,
+ * and also an array to store the pointers for all that
+ * allocated space. */
+retry_get_pools:
+ bufsize = sizeof(struct obd_uuid) * obdcount;
+ buffer = realloc(tmp, bufsize + sizeof(*list) * obdcount);
+ if (buffer == NULL) {
+ rc = -ENOMEM;
+ goto err;
+ }
+ list = (char **) (buffer + bufsize);
+
+ if (!poolname) {
/* name is a path or fsname */
- nb = llapi_get_poollist(name, list, FIND_MAX_OSTS, buffer,
- bufsize);
- else
+ nb = llapi_get_poollist(name, list, obdcount,
+ buffer, bufsize);
+ } else {
/* name is a pool name (<fsname>.<poolname>) */
- nb = llapi_get_poolmembers(name, list, FIND_MAX_OSTS, buffer,
- bufsize);
+ nb = llapi_get_poolmembers(name, list, obdcount,
+ buffer, bufsize);
+ }
+
+ if (nb == -EOVERFLOW) {
+ obdcount *= 2;
+ tmp = buffer;
+ goto retry_get_pools;
+ }
for (i = 0; i < nb; i++)
llapi_printf(LLAPI_MSG_NORMAL, "%s\n", list[i]);
-
- free(buffer);
- return (nb < 0 ? nb : 0);
+ rc = (nb < 0 ? nb : 0);
+err:
+ if (buffer)
+ free(buffer);
+ if (fsname)
+ free(fsname);
+ return rc;
}
+typedef int (semantic_func_t)(char *path, DIR *parent, DIR **d,
+ void *data, struct dirent64 *de);
-typedef int (semantic_func_t)(char *path, DIR *parent, DIR *d,
- void *data, cfs_dirent_t *de);
-
-#define MAX_LOV_UUID_COUNT max(LOV_MAX_STRIPE_COUNT, 1000)
#define OBD_NOT_FOUND (-1)
-static int common_param_init(struct find_param *param)
+static int common_param_init(struct find_param *param, char *path)
{
- param->lumlen = lov_mds_md_size(MAX_LOV_UUID_COUNT, LOV_MAGIC_V3);
- if ((param->lmd = malloc(sizeof(lstat_t) + param->lumlen)) == NULL) {
- llapi_err(LLAPI_MSG_ERROR,
- "error: allocation of %d bytes for ioctl",
- sizeof(lstat_t) + param->lumlen);
- return -ENOMEM;
- }
-
- param->got_uuids = 0;
- param->obdindexes = NULL;
- param->obdindex = OBD_NOT_FOUND;
- return 0;
+ int lum_size = get_mds_md_size(path);
+
+ if (lum_size < PATH_MAX + 1)
+ lum_size = PATH_MAX + 1;
+
+ param->fp_lum_size = lum_size;
+ param->fp_lmd = malloc(sizeof(lstat_t) + param->fp_lum_size);
+ if (param->fp_lmd == NULL) {
+ llapi_error(LLAPI_MSG_ERROR, -ENOMEM,
+ "error: allocation of %zu bytes for ioctl",
+ sizeof(lstat_t) + param->fp_lum_size);
+ return -ENOMEM;
+ }
+
+ param->fp_lmv_stripe_count = 256;
+ param->fp_lmv_md = malloc(lmv_user_md_size(param->fp_lmv_stripe_count,
+ LMV_MAGIC_V1));
+ if (param->fp_lmv_md == NULL) {
+ llapi_error(LLAPI_MSG_ERROR, -ENOMEM,
+ "error: allocation of %d bytes for ioctl",
+ lmv_user_md_size(param->fp_lmv_stripe_count,
+ LMV_MAGIC_V1));
+ return -ENOMEM;
+ }
+
+ param->fp_got_uuids = 0;
+ param->fp_obd_indexes = NULL;
+ param->fp_obd_index = OBD_NOT_FOUND;
+ if (!param->fp_migrate)
+ param->fp_mdt_index = OBD_NOT_FOUND;
+ return 0;
}
static void find_param_fini(struct find_param *param)
{
- if (param->obdindexes)
- free(param->obdindexes);
+ if (param->fp_obd_indexes)
+ free(param->fp_obd_indexes);
- if (param->lmd)
- free(param->lmd);
+ if (param->fp_lmd)
+ free(param->fp_lmd);
+
+ if (param->fp_lmv_md)
+ free(param->fp_lmv_md);
}
-static int cb_common_fini(char *path, DIR *parent, DIR *d, void *data,
- cfs_dirent_t *de)
+static int cb_common_fini(char *path, DIR *parent, DIR **dirp, void *data,
+ struct dirent64 *de)
{
- struct find_param *param = (struct find_param *)data;
- param->depth--;
- return 0;
+ struct find_param *param = data;
+ param->fp_depth--;
+
+ return 0;
}
+/* set errno upon failure */
static DIR *opendir_parent(char *path)
{
DIR *parent;
return parent;
}
-int llapi_mds_getfileinfo(char *path, DIR *parent,
- struct lov_user_mds_data *lmd)
+static int cb_get_dirstripe(char *path, DIR *d, struct find_param *param)
+{
+ struct lmv_user_md *lmv = (struct lmv_user_md *)param->fp_lmv_md;
+ int ret = 0;
+
+ lmv->lum_stripe_count = param->fp_lmv_stripe_count;
+ if (param->fp_get_default_lmv)
+ lmv->lum_magic = LMV_USER_MAGIC;
+ else
+ lmv->lum_magic = LMV_MAGIC_V1;
+ ret = ioctl(dirfd(d), LL_IOC_LMV_GETSTRIPE, lmv);
+
+ return ret;
+}
+
+static int get_lmd_info(char *path, DIR *parent, DIR *dir,
+ struct lov_user_mds_data *lmd, int lumlen)
{
lstat_t *st = &lmd->lmd_st;
- char *fname = strrchr(path, '/');
int ret = 0;
- if (parent == NULL)
+ if (parent == NULL && dir == NULL)
return -EINVAL;
- fname = (fname == NULL ? path : fname + 1);
- /* retrieve needed file info */
- strncpy((char *)lmd, fname,
- lov_mds_md_size(MAX_LOV_UUID_COUNT, LOV_MAGIC));
- ret = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO, (void *)lmd);
+ if (dir) {
+ ret = ioctl(dirfd(dir), LL_IOC_MDC_GETINFO, (void *)lmd);
+ } else if (parent) {
+ char *fname = strrchr(path, '/');
+
+ fname = (fname == NULL ? path : fname + 1);
+ /* retrieve needed file info */
+ strlcpy((char *)lmd, fname, lumlen);
+ ret = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO, (void *)lmd);
+ }
if (ret) {
if (errno == ENOTTY) {
* Do the regular lstat(2) instead. */
ret = lstat_f(path, st);
if (ret) {
- llapi_err(LLAPI_MSG_ERROR,
- "error: %s: lstat failed for %s",
- __func__, path);
- return ret;
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "error: %s: lstat failed for %s",
+ __func__, path);
}
} else if (errno == ENOENT) {
- llapi_err(LLAPI_MSG_WARN,
- "warning: %s: %s does not exist",
- __func__, path);
- return -ENOENT;
- } else {
- llapi_err(LLAPI_MSG_ERROR,
- "error: %s: IOC_MDC_GETFILEINFO failed for %s",
- __func__, path);
- return ret;
- }
- }
-
- return 0;
+ ret = -errno;
+ llapi_error(LLAPI_MSG_WARN, ret,
+ "warning: %s: %s does not exist",
+ __func__, path);
+ } else if (errno != EISDIR) {
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "%s ioctl failed for %s.",
+ dir ? "LL_IOC_MDC_GETINFO" :
+ "IOC_MDC_GETFILEINFO", path);
+ } else {
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "error: %s: IOC_MDC_GETFILEINFO failed for %s",
+ __func__, path);
+ }
+ }
+ return ret;
}
static int llapi_semantic_traverse(char *path, int size, DIR *parent,
- semantic_func_t sem_init,
- semantic_func_t sem_fini, void *data,
- cfs_dirent_t *de)
+ semantic_func_t sem_init,
+ semantic_func_t sem_fini, void *data,
+ struct dirent64 *de)
{
- cfs_dirent_t *dent;
- int len, ret;
- DIR *d, *p = NULL;
+ struct find_param *param = (struct find_param *)data;
+ struct dirent64 *dent;
+ int len, ret;
+ DIR *d, *p = NULL;
- ret = 0;
- len = strlen(path);
+ ret = 0;
+ len = strlen(path);
d = opendir(path);
if (!d && errno != ENOTDIR) {
- llapi_err(LLAPI_MSG_ERROR, "%s: Failed to open '%s'",
- __func__, path);
- return -EINVAL;
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret, "%s: Failed to open '%s'",
+ __func__, path);
+ return ret;
} else if (!d && !parent) {
/* ENOTDIR. Open the parent dir. */
p = opendir_parent(path);
- if (!p)
- GOTO(out, ret = -EINVAL);
+ if (!p) {
+ ret = -errno;
+ goto out;
+ }
}
- if (sem_init && (ret = sem_init(path, parent ?: p, d, data, de)))
- goto err;
+ if (sem_init && (ret = sem_init(path, parent ?: p, &d, data, de)))
+ goto err;
- if (!d)
- GOTO(out, ret = 0);
+ if (d == NULL)
+ goto out;
- while ((dent = readdir64(d)) != NULL) {
- ((struct find_param *)data)->have_fileinfo = 0;
+ while ((dent = readdir64(d)) != NULL) {
+ int rc;
if (!strcmp(dent->d_name, ".") || !strcmp(dent->d_name, ".."))
continue;
path[len] = 0;
if ((len + dent->d_reclen + 2) > size) {
- llapi_err(LLAPI_MSG_ERROR,
- "error: %s: string buffer is too small",
- __func__);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error: %s: string buffer is too small",
+ __func__);
break;
}
strcat(path, "/");
strcat(path, dent->d_name);
if (dent->d_type == DT_UNKNOWN) {
- lstat_t *st = &((struct find_param *)data)->lmd->lmd_st;
-
- ret = llapi_mds_getfileinfo(path, d,
- ((struct find_param *)data)->lmd);
- if (ret == 0) {
- ((struct find_param *)data)->have_fileinfo = 1;
- dent->d_type =
- llapi_filetype_dir_table[st->st_mode &
- S_IFMT];
- }
- if (ret == -ENOENT)
- continue;
- }
-
+ lstat_t *st = ¶m->fp_lmd->lmd_st;
+
+ rc = get_lmd_info(path, d, NULL, param->fp_lmd,
+ param->fp_lum_size);
+ if (rc == 0)
+ dent->d_type = IFTODT(st->st_mode);
+ else if (ret == 0)
+ ret = rc;
+
+ if (rc == -ENOENT)
+ continue;
+ }
switch (dent->d_type) {
case DT_UNKNOWN:
- llapi_err(LLAPI_MSG_ERROR,
- "error: %s: '%s' is UNKNOWN type %d",
- __func__, dent->d_name, dent->d_type);
- break;
- case DT_DIR:
- ret = llapi_semantic_traverse(path, size, d, sem_init,
- sem_fini, data, dent);
- if (ret < 0)
- goto out;
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error: %s: '%s' is UNKNOWN type %d",
+ __func__, dent->d_name, dent->d_type);
break;
- default:
- ret = 0;
- if (sem_init) {
- ret = sem_init(path, d, NULL, data, dent);
- if (ret < 0)
- goto out;
- }
- if (sem_fini && ret == 0)
- sem_fini(path, d, NULL, data, dent);
+ case DT_DIR:
+ rc = llapi_semantic_traverse(path, size, d, sem_init,
+ sem_fini, data, dent);
+ if (rc != 0 && ret == 0)
+ ret = rc;
+ break;
+ default:
+ rc = 0;
+ if (sem_init) {
+ rc = sem_init(path, d, NULL, data, dent);
+ if (rc < 0 && ret == 0)
+ ret = rc;
+ }
+ if (sem_fini && rc == 0)
+ sem_fini(path, d, NULL, data, dent);
}
}
out:
path[len] = 0;
- if (sem_fini)
- sem_fini(path, parent, d, data, de);
+ if (sem_fini)
+ sem_fini(path, parent, &d, data, de);
err:
if (d)
closedir(d);
if (p)
closedir(p);
- return ret;
+ return ret;
}
static int param_callback(char *path, semantic_func_t sem_init,
char *buf;
if (len > PATH_MAX) {
- llapi_err(LLAPI_MSG_ERROR, "Path name '%s' is too long", path);
- return -EINVAL;
+ ret = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "Path name '%s' is too long", path);
+ return ret;
}
buf = (char *)malloc(PATH_MAX + 1);
if (!buf)
return -ENOMEM;
- ret = common_param_init(param);
+ strlcpy(buf, path, PATH_MAX + 1);
+ ret = common_param_init(param, buf);
if (ret)
goto out;
- param->depth = 0;
- strncpy(buf, path, PATH_MAX + 1);
+ param->fp_depth = 0;
+
ret = llapi_semantic_traverse(buf, PATH_MAX + 1, NULL, sem_init,
sem_fini, param, NULL);
out:
return ret < 0 ? ret : 0;
}
-int llapi_file_fget_lov_uuid(int fd, struct obd_uuid *lov_name)
+int llapi_file_fget_lov_uuid(int fd, struct obd_uuid *lov_name)
+{
+ int rc = ioctl(fd, OBD_IOC_GETNAME, lov_name);
+ if (rc) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: can't get lov name.");
+ }
+ return rc;
+}
+
+int llapi_file_fget_lmv_uuid(int fd, struct obd_uuid *lov_name)
{
- int rc = ioctl(fd, OBD_IOC_GETNAME, lov_name);
+ int rc = ioctl(fd, OBD_IOC_GETMDNAME, lov_name);
if (rc) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR, "error: can't get lov name.");
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: can't get lmv name.");
}
return rc;
}
fd = open(path, O_RDONLY);
if (fd < 0) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR, "error opening %s", path);
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error opening %s", path);
return rc;
}
rc = llapi_file_fget_lov_uuid(fd, lov_uuid);
close(fd);
-
return rc;
}
+int llapi_file_get_lmv_uuid(const char *path, struct obd_uuid *lov_uuid)
+{
+ int fd, rc;
+
+ fd = open(path, O_RDONLY);
+ if (fd < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error opening %s", path);
+ return rc;
+ }
+
+ rc = llapi_file_fget_lmv_uuid(fd, lov_uuid);
+
+ close(fd);
+ return rc;
+}
+
+enum tgt_type {
+ LOV_TYPE = 1,
+ LMV_TYPE
+};
/*
* If uuidp is NULL, return the number of available obd uuids.
* If uuidp is non-NULL, then it will return the uuids of the obds. If
* there are more OSTs then allocated to uuidp, then an error is returned with
* the ost_count set to number of available obd uuids.
*/
-int llapi_lov_get_uuids(int fd, struct obd_uuid *uuidp, int *ost_count)
+static int llapi_get_target_uuids(int fd, struct obd_uuid *uuidp,
+ int *ost_count, enum tgt_type type)
{
- struct obd_uuid lov_name;
- char buf[1024];
- FILE *fp;
- int rc = 0, index = 0;
+ struct obd_uuid name;
+ char buf[1024];
+ char format[32];
+ FILE *fp;
+ int rc = 0, index = 0;
/* Get the lov name */
- rc = llapi_file_fget_lov_uuid(fd, &lov_name);
- if (rc)
- return rc;
+ if (type == LOV_TYPE) {
+ rc = llapi_file_fget_lov_uuid(fd, &name);
+ if (rc)
+ return rc;
+ } else {
+ rc = llapi_file_fget_lmv_uuid(fd, &name);
+ if (rc)
+ return rc;
+ }
/* Now get the ost uuids from /proc */
- snprintf(buf, sizeof(buf), "/proc/fs/lustre/lov/%s/target_obd",
- lov_name.uuid);
+ snprintf(buf, sizeof(buf), "/proc/fs/lustre/%s/%s/target_obd",
+ type == LOV_TYPE ? "lov" : "lmv", name.uuid);
fp = fopen(buf, "r");
if (fp == NULL) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR, "error: opening '%s'", buf);
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: opening '%s'", buf);
return rc;
}
- while (fgets(buf, sizeof(buf), fp) != NULL) {
- if (uuidp && (index < *ost_count)) {
- if (sscanf(buf, "%d: %s", &index, uuidp[index].uuid) <2)
+ snprintf(format, sizeof(format),
+ "%%d: %%%zus", sizeof(uuidp[0].uuid) - 1);
+ while (fgets(buf, sizeof(buf), fp) != NULL) {
+ if (uuidp && (index < *ost_count)) {
+ if (sscanf(buf, format, &index, uuidp[index].uuid) < 2)
break;
}
index++;
fclose(fp);
- if (uuidp && (index >= *ost_count))
- return -EOVERFLOW;
+ if (uuidp && (index > *ost_count))
+ rc = -EOVERFLOW;
*ost_count = index;
return rc;
}
+int llapi_lov_get_uuids(int fd, struct obd_uuid *uuidp, int *ost_count)
+{
+ return llapi_get_target_uuids(fd, uuidp, ost_count, LOV_TYPE);
+}
+
int llapi_get_obd_count(char *mnt, int *count, int is_mdt)
{
DIR *root;
root = opendir(mnt);
if (!root) {
- llapi_err(LLAPI_MSG_ERROR, "open %s failed", mnt);
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "open %s failed", mnt);
+ return rc;
}
*count = is_mdt;
rc = ioctl(dirfd(root), LL_IOC_GETOBDCOUNT, count);
+ if (rc < 0)
+ rc = -errno;
closedir(root);
return rc;
return (strncmp(search_uuid, real_uuid, cmplen) == 0);
}
-/* Here, param->obduuid points to a single obduuid, the index of which is
- * returned in param->obdindex */
+/* Here, param->fp_obd_uuid points to a single obduuid, the index of which is
+ * returned in param->fp_obd_index */
static int setup_obd_uuid(DIR *dir, char *dname, struct find_param *param)
{
- struct obd_uuid lov_uuid;
- char uuid[sizeof(struct obd_uuid)];
- char buf[1024];
- FILE *fp;
- int rc = 0, index;
+ struct obd_uuid obd_uuid;
+ char buf[1024];
+ char format[32];
+ FILE *fp;
+ int rc = 0;
- if (param->got_uuids)
+ if (param->fp_got_uuids)
return rc;
- /* Get the lov name */
- rc = llapi_file_fget_lov_uuid(dirfd(dir), &lov_uuid);
+ /* Get the lov/lmv name */
+ if (param->fp_get_lmv)
+ rc = llapi_file_fget_lmv_uuid(dirfd(dir), &obd_uuid);
+ else
+ rc = llapi_file_fget_lov_uuid(dirfd(dir), &obd_uuid);
if (rc) {
- if (errno != ENOTTY) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR,
- "error: can't get lov name: %s", dname);
+ if (rc != -ENOTTY) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: can't get lov name: %s", dname);
} else {
rc = 0;
}
return rc;
}
- param->got_uuids = 1;
+ param->fp_got_uuids = 1;
- /* Now get the ost uuids from /proc */
- snprintf(buf, sizeof(buf), "/proc/fs/lustre/lov/%s/target_obd",
- lov_uuid.uuid);
+ /* Now get the ost uuids from /proc */
+ snprintf(buf, sizeof(buf), "/proc/fs/lustre/%s/%s/target_obd",
+ param->fp_get_lmv ? "lmv" : "lov", obd_uuid.uuid);
fp = fopen(buf, "r");
if (fp == NULL) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR, "error: opening '%s'", buf);
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: opening '%s'", buf);
return rc;
}
- if (!param->obduuid && !param->quiet && !param->obds_printed)
- llapi_printf(LLAPI_MSG_NORMAL, "OBDS:\n");
+ if (!param->fp_obd_uuid && !param->fp_quiet && !param->fp_obds_printed)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s:\n",
+ param->fp_get_lmv ? "MDTS" : "OBDS:");
- while (fgets(buf, sizeof(buf), fp) != NULL) {
- if (sscanf(buf, "%d: %s", &index, uuid) < 2)
- break;
+ snprintf(format, sizeof(format),
+ "%%d: %%%zus", sizeof(obd_uuid.uuid) - 1);
+ while (fgets(buf, sizeof(buf), fp) != NULL) {
+ int index;
- if (param->obduuid) {
- if (llapi_uuid_match(uuid, param->obduuid->uuid)) {
- param->obdindex = index;
- break;
- }
- } else if (!param->quiet && !param->obds_printed) {
- /* Print everything */
- llapi_printf(LLAPI_MSG_NORMAL, "%s", buf);
- }
- }
- param->obds_printed = 1;
+ if (sscanf(buf, format, &index, obd_uuid.uuid) < 2)
+ break;
+
+ if (param->fp_obd_uuid) {
+ if (llapi_uuid_match(obd_uuid.uuid,
+ param->fp_obd_uuid->uuid)) {
+ param->fp_obd_index = index;
+ break;
+ }
+ } else if (!param->fp_quiet && !param->fp_obds_printed) {
+ /* Print everything */
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", buf);
+ }
+ }
+ param->fp_obds_printed = 1;
fclose(fp);
- if (param->obduuid && (param->obdindex == OBD_NOT_FOUND)) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "error: %s: unknown obduuid: %s",
- __func__, param->obduuid->uuid);
- rc = -EINVAL;
- }
+ if (param->fp_obd_uuid && (param->fp_obd_index == OBD_NOT_FOUND)) {
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error: %s: unknown obduuid: %s",
+ __func__, param->fp_obd_uuid->uuid);
+ rc = -EINVAL;
+ }
return (rc);
}
-/* In this case, param->obduuid will be an array of obduuids and
+/* In this case, param->fp_obd_uuid will be an array of obduuids and
* obd index for all these obduuids will be returned in
- * param->obdindexes */
-static int setup_obd_indexes(DIR *dir, struct find_param *param)
+ * param->fp_obd_indexes */
+static int setup_indexes(DIR *dir, char *path, struct obd_uuid *obduuids,
+ int num_obds, int **obdindexes, int *obdindex,
+ enum tgt_type type)
{
+ int ret, obdcount, obd_valid = 0, obdnum;
+ long i;
struct obd_uuid *uuids = NULL;
- int obdcount = INIT_ALLOC_NUM_OSTS;
- int ret, obd_valid = 0, obdnum, i;
-
- uuids = (struct obd_uuid *)malloc(INIT_ALLOC_NUM_OSTS *
+ char buf[16];
+ int *indexes;
+
+ if (type == LOV_TYPE)
+ ret = get_param_lov(path, "numobd", buf, sizeof(buf));
+ else
+ ret = get_param_lmv(path, "numobd", buf, sizeof(buf));
+ if (ret != 0)
+ return ret;
+
+ obdcount = atoi(buf);
+ uuids = (struct obd_uuid *)malloc(obdcount *
sizeof(struct obd_uuid));
if (uuids == NULL)
return -ENOMEM;
retry_get_uuids:
- ret = llapi_lov_get_uuids(dirfd(dir), uuids,
- &obdcount);
+ ret = llapi_get_target_uuids(dirfd(dir), uuids, &obdcount, type);
if (ret) {
struct obd_uuid *uuids_temp;
if (ret == -EOVERFLOW) {
uuids_temp = realloc(uuids, obdcount *
sizeof(struct obd_uuid));
- if (uuids_temp != NULL)
+ if (uuids_temp != NULL) {
+ uuids = uuids_temp;
goto retry_get_uuids;
+ }
else
ret = -ENOMEM;
}
- llapi_err(LLAPI_MSG_ERROR, "get ost uuid failed");
- return ret;
+ llapi_error(LLAPI_MSG_ERROR, ret, "get ost uuid failed");
+ goto out_free;
}
- param->obdindexes = malloc(param->num_obds * sizeof(param->obdindex));
- if (param->obdindexes == NULL)
- return -ENOMEM;
+ indexes = malloc(num_obds * sizeof(*obdindex));
+ if (indexes == NULL) {
+ ret = -ENOMEM;
+ goto out_free;
+ }
- for (obdnum = 0; obdnum < param->num_obds; obdnum++) {
- for (i = 0; i < obdcount; i++) {
- if (llapi_uuid_match(uuids[i].uuid,
- param->obduuid[obdnum].uuid)) {
- param->obdindexes[obdnum] = i;
- obd_valid++;
- break;
+ for (obdnum = 0; obdnum < num_obds; obdnum++) {
+ char *end = NULL;
+
+ /* The user may have specified a simple index */
+ i = strtol(obduuids[obdnum].uuid, &end, 0);
+ if (end && *end == '\0' && i < obdcount) {
+ indexes[obdnum] = i;
+ obd_valid++;
+ } else {
+ for (i = 0; i < obdcount; i++) {
+ if (llapi_uuid_match(uuids[i].uuid,
+ obduuids[obdnum].uuid)) {
+ indexes[obdnum] = i;
+ obd_valid++;
+ break;
+ }
}
}
if (i >= obdcount) {
- param->obdindexes[obdnum] = OBD_NOT_FOUND;
+ indexes[obdnum] = OBD_NOT_FOUND;
llapi_err_noerrno(LLAPI_MSG_ERROR,
"error: %s: unknown obduuid: %s",
- __func__,
- param->obduuid[obdnum].uuid);
+ __func__, obduuids[obdnum].uuid);
ret = -EINVAL;
}
}
if (obd_valid == 0)
- param->obdindex = OBD_NOT_FOUND;
+ *obdindex = OBD_NOT_FOUND;
else
- param->obdindex = obd_valid;
+ *obdindex = obd_valid;
- param->got_uuids = 1;
+ *obdindexes = indexes;
+out_free:
+ if (uuids)
+ free(uuids);
return ret;
}
+static int setup_target_indexes(DIR *dir, char *path, struct find_param *param)
+{
+ int ret = 0;
+
+ if (param->fp_mdt_uuid) {
+ ret = setup_indexes(dir, path, param->fp_mdt_uuid,
+ param->fp_num_mdts,
+ ¶m->fp_mdt_indexes,
+ ¶m->fp_mdt_index, LMV_TYPE);
+ if (ret)
+ return ret;
+ }
+
+ if (param->fp_obd_uuid) {
+ ret = setup_indexes(dir, path, param->fp_obd_uuid,
+ param->fp_num_obds,
+ ¶m->fp_obd_indexes,
+ ¶m->fp_obd_index, LOV_TYPE);
+ if (ret)
+ return ret;
+ }
+
+ param->fp_got_uuids = 1;
+
+ return ret;
+}
+
int llapi_ostlist(char *path, struct find_param *param)
{
DIR *dir;
char buffer[PATH_MAX + 1];
if (fsname == NULL) {
- if ((rc = llapi_search_fsname(pathname, buffer)) != 0)
+ rc = llapi_search_fsname(pathname, buffer);
+ if (rc != 0)
return rc;
fsname = buffer;
}
snprintf(pattern, sizeof(pattern), "/proc/fs/lustre/lov/%s-clilov-*",
fsname);
- if ((rc = first_match(pattern, buffer)) != 0)
+ rc = first_match(pattern, buffer);
+ if (rc != 0)
return rc;
- strncpy(clilovpath, buffer, sizeof(buffer));
+ strlcpy(clilovpath, buffer, sizeof(buffer));
return 0;
}
char line[PATH_MAX + 1];
int rc = 0;
- if ((f = fopen(fpath, "r")) == NULL) {
- llapi_err(LLAPI_MSG_ERROR, "Cannot open '%s'", fpath);
- return errno;
+ f = fopen(fpath, "r");
+ if (f == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "Cannot open '%s'", fpath);
+ return rc;
}
if (fgets(line, sizeof(line), f) != NULL) {
*attr = atoi(line);
} else {
- llapi_err(LLAPI_MSG_ERROR, "Cannot read from '%s'", fpath);
+ llapi_error(LLAPI_MSG_ERROR, errno, "Cannot read from '%s'", fpath);
rc = 1;
}
char dpath[PATH_MAX + 1];
char fpath[PATH_MAX + 1];
- if ((rc = clilovpath(fsname, pathname, dpath)) != 0)
+ rc = clilovpath(fsname, pathname, dpath);
+ if (rc != 0)
return rc;
if (scount) {
snprintf(fpath, PATH_MAX, "%s/stripecount", dpath);
- if ((rc = sattr_read_attr(fpath, scount)) != 0)
+ rc = sattr_read_attr(fpath, scount);
+ if (rc != 0)
return rc;
}
if (ssize) {
snprintf(fpath, PATH_MAX, "%s/stripesize", dpath);
- if ((rc = sattr_read_attr(fpath, ssize)) != 0)
+ rc = sattr_read_attr(fpath, ssize);
+ if (rc != 0)
return rc;
}
if (soffset) {
snprintf(fpath, PATH_MAX, "%s/stripeoffset", dpath);
- if ((rc = sattr_read_attr(fpath, soffset)) != 0)
+ rc = sattr_read_attr(fpath, soffset);
+ if (rc != 0)
return rc;
}
char fsname_buf[PATH_MAX + 1];
unsigned int tmp[3];
- if (fsname == NULL)
- llapi_search_fsname(pathname, fsname_buf);
- else
- strncpy(fsname_buf, fsname, PATH_MAX);
+ if (fsname == NULL) {
+ rc = llapi_search_fsname(pathname, fsname_buf);
+ if (rc)
+ return rc;
+ } else {
+ strlcpy(fsname_buf, fsname, sizeof(fsname_buf));
+ }
- if (strncmp(fsname_buf, cache.fsname, PATH_MAX) != 0) {
+ if (strncmp(fsname_buf, cache.fsname, sizeof(fsname_buf) - 1) != 0) {
/*
* Ensure all 3 sattrs (count, size, and offset) are
* successfully retrieved and stored in tmp before writing to
* cache.
*/
- if ((rc = sattr_get_defaults(fsname_buf, NULL, &tmp[0],
- &tmp[1], &tmp[2])) != 0)
+ rc = sattr_get_defaults(fsname_buf, NULL, &tmp[0], &tmp[1],
+ &tmp[2]);
+ if (rc != 0)
return rc;
cache.stripecount = tmp[0];
cache.stripesize = tmp[1];
cache.stripeoffset = tmp[2];
- strncpy(cache.fsname, fsname_buf, PATH_MAX);
+ strlcpy(cache.fsname, fsname_buf, sizeof(cache.fsname));
}
if (scount)
int raw, char *pool_name)
{
char *prefix = is_dir ? "" : "lmm_";
- char nl = is_dir ? ' ' : '\n';
+ char *seperator = "";
+ int rc;
- if (is_dir && lum->lmm_object_seq == LOV_OBJECT_GROUP_DEFAULT) {
- lum->lmm_object_seq = LOV_OBJECT_GROUP_CLEAR;
- if (verbose & VERBOSE_DETAIL)
- llapi_printf(LLAPI_MSG_NORMAL, "(Default) ");
- }
+ if (is_dir && lmm_oi_seq(&lum->lmm_oi) == FID_SEQ_LOV_DEFAULT) {
+ lmm_oi_set_seq(&lum->lmm_oi, 0);
+ if (verbose & VERBOSE_DETAIL)
+ llapi_printf(LLAPI_MSG_NORMAL, "(Default) ");
+ }
if (depth && path && ((verbose != VERBOSE_OBJID) || !is_dir))
llapi_printf(LLAPI_MSG_NORMAL, "%s\n", path);
- if ((verbose & VERBOSE_DETAIL) && !is_dir) {
- llapi_printf(LLAPI_MSG_NORMAL, "lmm_magic: 0x%08X\n",
- lum->lmm_magic);
- llapi_printf(LLAPI_MSG_NORMAL, "lmm_seq: "LPX64"\n",
- lum->lmm_object_seq);
- llapi_printf(LLAPI_MSG_NORMAL, "lmm_object_id: "LPX64"\n",
- lum->lmm_object_id);
- }
+ if ((verbose & VERBOSE_DETAIL) && !is_dir) {
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_magic: 0x%08X\n",
+ lum->lmm_magic);
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_seq: "LPX64"\n",
+ lmm_oi_seq(&lum->lmm_oi));
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_object_id: "LPX64"\n",
+ lmm_oi_id(&lum->lmm_oi));
+ }
if (verbose & VERBOSE_COUNT) {
if (verbose & ~VERBOSE_COUNT)
if (is_dir) {
if (!raw && lum->lmm_stripe_count == 0) {
unsigned int scount;
- if (sattr_cache_get_defaults(NULL, path,
- &scount, NULL,
- NULL) == 0)
- llapi_printf(LLAPI_MSG_NORMAL, "%u%c",
- scount, nl);
+ rc = sattr_cache_get_defaults(NULL, path,
+ &scount, NULL,
+ NULL);
+ if (rc == 0)
+ llapi_printf(LLAPI_MSG_NORMAL, "%d",
+ scount);
else
- llapi_err(LLAPI_MSG_ERROR,
- "Cannot determine default"
- " stripe count.");
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Cannot determine default"
+ " stripe count.");
} else {
- llapi_printf(LLAPI_MSG_NORMAL, "%d%c",
+ llapi_printf(LLAPI_MSG_NORMAL, "%d",
lum->lmm_stripe_count ==
(typeof(lum->lmm_stripe_count))(-1)
- ? -1 : lum->lmm_stripe_count, nl);
+ ? -1 : lum->lmm_stripe_count);
}
} else {
- llapi_printf(LLAPI_MSG_NORMAL, "%hd%c",
- (__s16)lum->lmm_stripe_count, nl);
+ llapi_printf(LLAPI_MSG_NORMAL, "%hd",
+ (__s16)lum->lmm_stripe_count);
}
+ seperator = is_dir ? " " : "\n";
}
if (verbose & VERBOSE_SIZE) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", seperator);
if (verbose & ~VERBOSE_SIZE)
llapi_printf(LLAPI_MSG_NORMAL, "%sstripe_size: ",
prefix);
if (is_dir && !raw && lum->lmm_stripe_size == 0) {
unsigned int ssize;
- if (sattr_cache_get_defaults(NULL, path, NULL, &ssize,
- NULL) == 0)
- llapi_printf(LLAPI_MSG_NORMAL, "%u%c", ssize,
- nl);
+ rc = sattr_cache_get_defaults(NULL, path, NULL, &ssize,
+ NULL);
+ if (rc == 0)
+ llapi_printf(LLAPI_MSG_NORMAL, "%u", ssize);
else
- llapi_err(LLAPI_MSG_ERROR,
- "Cannot determine default"
- " stripe size.");
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Cannot determine default"
+ " stripe size.");
} else {
- llapi_printf(LLAPI_MSG_NORMAL, "%u%c",
- lum->lmm_stripe_size, nl);
+ llapi_printf(LLAPI_MSG_NORMAL, "%u",
+ lum->lmm_stripe_size);
}
- }
-
- if ((verbose & VERBOSE_DETAIL) && !is_dir) {
- llapi_printf(LLAPI_MSG_NORMAL, "lmm_stripe_pattern: %x%c",
- lum->lmm_pattern, nl);
+ seperator = is_dir ? " " : "\n";
+ }
+
+ if ((verbose & VERBOSE_LAYOUT) && !is_dir) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", seperator);
+ if (verbose & ~VERBOSE_LAYOUT)
+ llapi_printf(LLAPI_MSG_NORMAL, "%spattern: ",
+ prefix);
+ llapi_printf(LLAPI_MSG_NORMAL, "%.x", lum->lmm_pattern);
+ seperator = "\n";
+ }
+
+ if ((verbose & VERBOSE_GENERATION) && !is_dir) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", seperator);
+ if (verbose & ~VERBOSE_GENERATION)
+ llapi_printf(LLAPI_MSG_NORMAL, "%slayout_gen: ",
+ prefix);
+ llapi_printf(LLAPI_MSG_NORMAL, "%u",
+ (int)lum->lmm_layout_gen);
+ seperator = "\n";
}
if (verbose & VERBOSE_OFFSET) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", seperator);
if (verbose & ~VERBOSE_OFFSET)
llapi_printf(LLAPI_MSG_NORMAL, "%sstripe_offset: ",
prefix);
if (is_dir)
- llapi_printf(LLAPI_MSG_NORMAL, "%d%c",
+ llapi_printf(LLAPI_MSG_NORMAL, "%d",
lum->lmm_stripe_offset ==
(typeof(lum->lmm_stripe_offset))(-1) ? -1 :
- lum->lmm_stripe_offset, nl);
+ lum->lmm_stripe_offset);
else
- llapi_printf(LLAPI_MSG_NORMAL, "%u%c",
- objects[0].l_ost_idx, nl);
+ llapi_printf(LLAPI_MSG_NORMAL, "%u",
+ objects[0].l_ost_idx);
+ seperator = is_dir ? " " : "\n";
}
if ((verbose & VERBOSE_POOL) && (pool_name != NULL)) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", seperator);
if (verbose & ~VERBOSE_POOL)
llapi_printf(LLAPI_MSG_NORMAL, "%spool: ",
prefix);
- llapi_printf(LLAPI_MSG_NORMAL, "%s%c", pool_name, nl);
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", pool_name);
}
- if (is_dir && (verbose != VERBOSE_OBJID))
+ if (!is_dir || (is_dir && (verbose != VERBOSE_OBJID)))
llapi_printf(LLAPI_MSG_NORMAL, "\n");
}
void lov_dump_user_lmm_v1v3(struct lov_user_md *lum, char *pool_name,
struct lov_user_ost_data_v1 *objects,
- char *path, int is_dir,
- int obdindex, int depth, int header, int raw)
+ char *path, int is_dir, int obdindex,
+ int depth, int header, int raw)
{
int i, obdstripe = (obdindex != OBD_NOT_FOUND) ? 0 : 1;
lov_dump_user_lmm_header(lum, path, objects, is_dir, header,
depth, raw, pool_name);
- if (!is_dir && (header & VERBOSE_OBJID)) {
+ if (!is_dir && (header & VERBOSE_OBJID) &&
+ !(lum->lmm_pattern & LOV_PATTERN_F_RELEASED)) {
if (obdstripe == 1)
llapi_printf(LLAPI_MSG_NORMAL,
- "\tobdidx\t\t objid\t\tobjid\t\t group\n");
+ "\tobdidx\t\t objid\t\t objid\t\t group\n");
for (i = 0; i < lum->lmm_stripe_count; i++) {
int idx = objects[i].l_ost_idx;
- long long oid = objects[i].l_object_id;
- long long gr = objects[i].l_object_seq;
- if ((obdindex == OBD_NOT_FOUND) || (obdindex == idx))
- llapi_printf(LLAPI_MSG_NORMAL,
- "\t%6u\t%14llu\t%#13llx\t%14llu%s\n",
- idx, oid, oid, gr,
- obdindex == idx ? " *" : "");
+ long long oid = ostid_id(&objects[i].l_ost_oi);
+ long long gr = ostid_seq(&objects[i].l_ost_oi);
+ if ((obdindex == OBD_NOT_FOUND) || (obdindex == idx)) {
+ char fmt[48];
+ sprintf(fmt, "%s%s%s\n",
+ "\t%6u\t%14llu\t%#13llx\t",
+ (fid_seq_is_rsvd(gr) ||
+ fid_seq_is_mdt0(gr)) ?
+ "%14llu" : "%#14llx", "%s");
+ llapi_printf(LLAPI_MSG_NORMAL, fmt, idx, oid,
+ oid, gr,
+ obdindex == idx ? " *" : "");
+ }
+
}
llapi_printf(LLAPI_MSG_NORMAL, "\n");
}
}
-void llapi_lov_dump_user_lmm(struct find_param *param,
- char *path, int is_dir)
+void lmv_dump_user_lmm(struct lmv_user_md *lum, char *pool_name,
+ char *path, int obdindex, int depth, int verbose)
+{
+ struct lmv_user_mds_data *objects = lum->lum_objects;
+ char *prefix = lum->lum_magic == LMV_USER_MAGIC ? "(Default)" : "";
+ int i, obdstripe = 0;
+ char *separator = "";
+
+ if (obdindex != OBD_NOT_FOUND) {
+ if (lum->lum_stripe_count == 0) {
+ if (obdindex == lum->lum_stripe_offset)
+ obdstripe = 1;
+ } else {
+ for (i = 0; i < lum->lum_stripe_count; i++) {
+ if (obdindex == objects[i].lum_mds) {
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%s%s\n", prefix,
+ path);
+ obdstripe = 1;
+ break;
+ }
+ }
+ }
+ } else {
+ obdstripe = 1;
+ }
+
+ if (!obdstripe)
+ return;
+
+ /* show all information default */
+ if (!verbose) {
+ if (lum->lum_magic == LMV_USER_MAGIC)
+ verbose = VERBOSE_POOL | VERBOSE_COUNT | VERBOSE_OFFSET;
+ else
+ verbose = VERBOSE_OBJID;
+ }
+
+ if (depth && path && ((verbose != VERBOSE_OBJID)))
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%s\n", prefix, path);
+
+ if (verbose & VERBOSE_COUNT) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ if (verbose & ~VERBOSE_COUNT)
+ llapi_printf(LLAPI_MSG_NORMAL, "lmv_stripe_count: ");
+ llapi_printf(LLAPI_MSG_NORMAL, "%u",
+ (int)lum->lum_stripe_count);
+ if (verbose & VERBOSE_OFFSET)
+ separator = " ";
+ else
+ separator = "\n";
+ }
+
+ if (verbose & VERBOSE_OFFSET) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ if (verbose & ~VERBOSE_OFFSET)
+ llapi_printf(LLAPI_MSG_NORMAL, "lmv_stripe_offset: ");
+ llapi_printf(LLAPI_MSG_NORMAL, "%d",
+ (int)lum->lum_stripe_offset);
+ separator = "\n";
+ }
+
+ if (verbose & VERBOSE_OBJID && lum->lum_magic != LMV_USER_MAGIC) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ if (obdstripe == 1 && lum->lum_stripe_count > 0)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "mdtidx\t\t FID[seq:oid:ver]\n");
+ for (i = 0; i < lum->lum_stripe_count; i++) {
+ int idx = objects[i].lum_mds;
+ struct lu_fid *fid = &objects[i].lum_fid;
+ if ((obdindex == OBD_NOT_FOUND) || (obdindex == idx))
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%6u\t\t "DFID"\t\t%s\n",
+ idx, PFID(fid),
+ obdindex == idx ? " *" : "");
+ }
+
+ }
+
+ if ((verbose & VERBOSE_POOL) && (pool_name[0] != '\0')) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ if (verbose & ~VERBOSE_POOL)
+ llapi_printf(LLAPI_MSG_NORMAL, "%slmv_pool: ",
+ prefix);
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%c ", pool_name, ' ');
+ separator = "\n";
+ }
+
+ if (!(verbose & VERBOSE_OBJID) || lum->lum_magic == LMV_USER_MAGIC)
+ llapi_printf(LLAPI_MSG_NORMAL, "\n");
+}
+
+void llapi_lov_dump_user_lmm(struct find_param *param, char *path, int is_dir)
{
- switch(*(__u32 *)¶m->lmd->lmd_lmm) { /* lum->lmm_magic */
+ __u32 magic;
+
+ if (param->fp_get_lmv || param->fp_get_default_lmv)
+ magic = (__u32)param->fp_lmv_md->lum_magic;
+ else
+ magic = *(__u32 *)¶m->fp_lmd->lmd_lmm; /* lum->lmm_magic */
+
+ switch (magic) {
case LOV_USER_MAGIC_V1:
- lov_dump_user_lmm_v1v3(¶m->lmd->lmd_lmm, NULL,
- param->lmd->lmd_lmm.lmm_objects,
- path, is_dir,
- param->obdindex, param->maxdepth,
- param->verbose, param->raw);
+ lov_dump_user_lmm_v1v3(¶m->fp_lmd->lmd_lmm, NULL,
+ param->fp_lmd->lmd_lmm.lmm_objects,
+ path, is_dir,
+ param->fp_obd_index, param->fp_max_depth,
+ param->fp_verbose, param->fp_raw);
break;
case LOV_USER_MAGIC_V3: {
char pool_name[LOV_MAXPOOLNAME + 1];
struct lov_user_ost_data_v1 *objects;
- struct lov_user_md_v3 *lmmv3 = (void *)¶m->lmd->lmd_lmm;
-
- strncpy(pool_name, lmmv3->lmm_pool_name, LOV_MAXPOOLNAME);
- pool_name[LOV_MAXPOOLNAME] = '\0';
- objects = lmmv3->lmm_objects;
- lov_dump_user_lmm_v1v3(¶m->lmd->lmd_lmm, pool_name,
- objects, path, is_dir,
- param->obdindex, param->maxdepth,
- param->verbose, param->raw);
+ struct lov_user_md_v3 *lmmv3 = (void *)¶m->fp_lmd->lmd_lmm;
+
+ strlcpy(pool_name, lmmv3->lmm_pool_name, sizeof(pool_name));
+ objects = lmmv3->lmm_objects;
+ lov_dump_user_lmm_v1v3(¶m->fp_lmd->lmd_lmm, pool_name,
+ objects, path, is_dir,
+ param->fp_obd_index, param->fp_max_depth,
+ param->fp_verbose, param->fp_raw);
break;
}
- default:
- llapi_printf(LLAPI_MSG_NORMAL, "unknown lmm_magic: %#x "
- "(expecting one of %#x %#x %#x)\n",
- *(__u32 *)¶m->lmd->lmd_lmm,
- LOV_USER_MAGIC_V1, LOV_USER_MAGIC_V3);
- return;
- }
+ case LMV_MAGIC_V1:
+ case LMV_USER_MAGIC: {
+ char pool_name[LOV_MAXPOOLNAME + 1];
+ struct lmv_user_md *lum;
+
+ lum = (struct lmv_user_md *)param->fp_lmv_md;
+ strlcpy(pool_name, lum->lum_pool_name, sizeof(pool_name));
+ lmv_dump_user_lmm(lum, pool_name, path,
+ param->fp_obd_index, param->fp_max_depth,
+ param->fp_verbose);
+ break;
+ }
+ default:
+ llapi_printf(LLAPI_MSG_NORMAL, "unknown lmm_magic: %#x "
+ "(expecting one of %#x %#x %#x %#x)\n",
+ *(__u32 *)¶m->fp_lmd->lmd_lmm,
+ LOV_USER_MAGIC_V1, LOV_USER_MAGIC_V3,
+ LMV_USER_MAGIC, LMV_MAGIC_V1);
+ return;
+ }
}
int llapi_file_get_stripe(const char *path, struct lov_user_md *lum)
if (fname == NULL) {
dname = (char *)malloc(2);
if (dname == NULL)
- return ENOMEM;
+ return -ENOMEM;
strcpy(dname, ".");
fname = (char *)path;
} else {
dname = (char *)malloc(fname - path + 1);
if (dname == NULL)
- return ENOMEM;
+ return -ENOMEM;
strncpy(dname, path, fname - path);
dname[fname - path] = '\0';
fname++;
}
- if ((fd = open(dname, O_RDONLY)) == -1) {
- rc = errno;
+ fd = open(dname, O_RDONLY);
+ if (fd == -1) {
+ rc = -errno;
free(dname);
return rc;
}
strcpy((char *)lum, fname);
if (ioctl(fd, IOC_MDC_GETFILESTRIPE, (void *)lum) == -1)
- rc = errno;
+ rc = -errno;
if (close(fd) == -1 && rc == 0)
- rc = errno;
+ rc = -errno;
free(dname);
-
return rc;
}
rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
if (rc) {
- llapi_err(LLAPI_MSG_ERROR,
- "error: IOC_MDC_LOOKUP pack failed for '%s': rc %d",
- name, rc);
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: IOC_MDC_LOOKUP pack failed for '%s': rc %d",
+ name, rc);
return rc;
}
- return ioctl(dirfd, IOC_MDC_LOOKUP, buf);
+ rc = ioctl(dirfd, IOC_MDC_LOOKUP, buf);
+ if (rc < 0)
+ rc = -errno;
+ return rc;
}
/* Check if the value matches 1 of the given criteria (e.g. --atime +/-N).
* sign), 1st column is the answer for the MDS value, the 2nd is for the OST:
* --------------------------------------
* 1 | file > limit; sign > 0 | -1 / -1 |
- * 2 | file = limit; sign > 0 | ? / 1 |
+ * 2 | file = limit; sign > 0 | -1 / -1 |
* 3 | file < limit; sign > 0 | ? / 1 |
* 4 | file > limit; sign = 0 | -1 / -1 |
* 5 | file = limit; sign = 0 | ? / 1 | <- (see the Note below)
* --------------------------------------
* Note: 5th actually means that the value is within the interval
* (limit - margin, limit]. */
-static int find_value_cmp(unsigned int file, unsigned int limit, int sign,
- int negopt, unsigned long long margin, int mds)
+static int find_value_cmp(unsigned long long file, unsigned long long limit,
+ int sign, int negopt, unsigned long long margin,
+ int mds)
{
int ret = -1;
-
+
if (sign > 0) {
- if (file <= limit)
+ /* Drop the fraction of margin (of days). */
+ if (file + margin <= limit)
ret = mds ? 0 : 1;
} else if (sign == 0) {
- if (file <= limit && file + margin >= limit)
+ if (file <= limit && file + margin > limit)
ret = mds ? 0 : 1;
else if (file + margin <= limit)
ret = mds ? 0 : -1;
} else if (sign < 0) {
- if (file >= limit)
+ if (file > limit)
ret = 1;
else if (mds)
ret = 0;
* updated timestamps. */
static int find_time_check(lstat_t *st, struct find_param *param, int mds)
{
- int ret;
- int rc = 0;
+ int rc = 1;
+ int rc2;
+
+ /* Check if file is accepted. */
+ if (param->fp_atime) {
+ rc2 = find_value_cmp(st->st_atime, param->fp_atime,
+ param->fp_asign, param->fp_exclude_atime,
+ 24 * 60 * 60, mds);
+ if (rc2 < 0)
+ return rc2;
+ rc = rc2;
+ }
+
+ if (param->fp_mtime) {
+ rc2 = find_value_cmp(st->st_mtime, param->fp_mtime,
+ param->fp_msign, param->fp_exclude_mtime,
+ 24 * 60 * 60, mds);
+ if (rc2 < 0)
+ return rc2;
+
+ /* If the previous check matches, but this one is not yet clear,
+ * we should return 0 to do an RPC on OSTs. */
+ if (rc == 1)
+ rc = rc2;
+ }
+
+ if (param->fp_ctime) {
+ rc2 = find_value_cmp(st->st_ctime, param->fp_ctime,
+ param->fp_csign, param->fp_exclude_ctime,
+ 24 * 60 * 60, mds);
+ if (rc2 < 0)
+ return rc2;
+
+ /* If the previous check matches, but this one is not yet clear,
+ * we should return 0 to do an RPC on OSTs. */
+ if (rc == 1)
+ rc = rc2;
+ }
+
+ return rc;
+}
- /* Check if file is accepted. */
- if (param->atime) {
- ret = find_value_cmp(st->st_atime, param->atime,
- param->asign, param->exclude_atime,
- 24 * 60 * 60, mds);
- if (ret < 0)
- return ret;
- rc = ret;
- }
+/**
+ * Check whether the stripes matches the indexes user provided
+ * 1 : matched
+ * 0 : Unmatched
+ */
+static int check_obd_match(struct find_param *param)
+{
+ lstat_t *st = ¶m->fp_lmd->lmd_st;
+ struct lov_user_ost_data_v1 *lmm_objects;
+ int i, j;
+
+ if (param->fp_obd_uuid && param->fp_obd_index == OBD_NOT_FOUND)
+ return 0;
+
+ if (!S_ISREG(st->st_mode))
+ return 0;
+
+ /* Only those files should be accepted, which have a
+ * stripe on the specified OST. */
+ if (!param->fp_lmd->lmd_lmm.lmm_stripe_count)
+ return 0;
+
+ if (param->fp_lmd->lmd_lmm.lmm_magic ==
+ LOV_USER_MAGIC_V3) {
+ struct lov_user_md_v3 *lmmv3 = (void *)¶m->fp_lmd->lmd_lmm;
+
+ lmm_objects = lmmv3->lmm_objects;
+ } else if (param->fp_lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V1) {
+ lmm_objects = param->fp_lmd->lmd_lmm.lmm_objects;
+ } else {
+ llapi_err_noerrno(LLAPI_MSG_ERROR, "%s:Unknown magic: 0x%08X\n",
+ __func__, param->fp_lmd->lmd_lmm.lmm_magic);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < param->fp_lmd->lmd_lmm.lmm_stripe_count; i++) {
+ for (j = 0; j < param->fp_num_obds; j++) {
+ if (param->fp_obd_indexes[j] ==
+ lmm_objects[i].l_ost_idx) {
+ if (param->fp_exclude_obd)
+ return 0;
+ return 1;
+ }
+ }
+ }
+
+ if (param->fp_exclude_obd)
+ return 1;
- if (param->mtime) {
- ret = find_value_cmp(st->st_mtime, param->mtime,
- param->msign, param->exclude_mtime,
- 24 * 60 * 60, mds);
- if (ret < 0)
- return ret;
+ return 0;
+}
- /* If the previous check matches, but this one is not yet clear,
- * we should return 0 to do an RPC on OSTs. */
- if (rc == 1)
- rc = ret;
- }
+static int check_mdt_match(struct find_param *param)
+{
+ int i;
- if (param->ctime) {
- ret = find_value_cmp(st->st_ctime, param->ctime,
- param->csign, param->exclude_ctime,
- 24 * 60 * 60, mds);
- if (ret < 0)
- return ret;
+ if (param->fp_mdt_uuid && param->fp_mdt_index == OBD_NOT_FOUND)
+ return 0;
- /* If the previous check matches, but this one is not yet clear,
- * we should return 0 to do an RPC on OSTs. */
- if (rc == 1)
- rc = ret;
- }
+ /* FIXME: For striped dir, we should get stripe information and check */
+ for (i = 0; i < param->fp_num_mdts; i++) {
+ if (param->fp_mdt_indexes[i] == param->fp_file_mdt_index)
+ return !param->fp_exclude_mdt;
+ }
- return rc;
+ if (param->fp_exclude_mdt)
+ return 1;
+
+ return 0;
+}
+
+/**
+ * Check whether the obd is active or not, if it is
+ * not active, just print the object affected by this
+ * failed target
+ **/
+static int print_failed_tgt(struct find_param *param, char *path, int type)
+{
+ struct obd_statfs stat_buf;
+ struct obd_uuid uuid_buf;
+ int ret;
+
+ LASSERT(type == LL_STATFS_LOV || type == LL_STATFS_LMV);
+
+ memset(&stat_buf, 0, sizeof(struct obd_statfs));
+ memset(&uuid_buf, 0, sizeof(struct obd_uuid));
+ ret = llapi_obd_statfs(path, type,
+ param->fp_obd_index, &stat_buf,
+ &uuid_buf);
+ if (ret) {
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "obd_uuid: %s failed %s ",
+ param->fp_obd_uuid->uuid,
+ strerror(errno));
+ }
+
+ return ret;
}
-static int cb_find_init(char *path, DIR *parent, DIR *dir,
- void *data, cfs_dirent_t *de)
+static int cb_find_init(char *path, DIR *parent, DIR **dirp,
+ void *data, struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
+ DIR *dir = dirp == NULL ? NULL : *dirp;
int decision = 1; /* 1 is accepted; -1 is rejected. */
- lstat_t *st = ¶m->lmd->lmd_st;
+ lstat_t *st = ¶m->fp_lmd->lmd_st;
int lustre_fs = 1;
int checked_type = 0;
int ret = 0;
LASSERT(parent != NULL || dir != NULL);
- param->lmd->lmd_lmm.lmm_stripe_count = 0;
-
- /* If a regular expression is presented, make the initial decision */
- if (param->pattern != NULL) {
- char *fname = strrchr(path, '/');
- fname = (fname == NULL ? path : fname + 1);
- ret = fnmatch(param->pattern, fname, 0);
- if ((ret == FNM_NOMATCH && !param->exclude_pattern) ||
- (ret == 0 && param->exclude_pattern))
- goto decided;
- }
-
- /* See if we can check the file type from the dirent. */
- if (param->type && de != NULL && de->d_type != DT_UNKNOWN &&
- de->d_type < DT_MAX) {
- checked_type = 1;
- if (llapi_dir_filetype_table[de->d_type] == param->type) {
- if (param->exclude_type)
- goto decided;
- } else {
- if (!param->exclude_type)
- goto decided;
- }
- }
-
-
- /* If a time or OST should be checked, the decision is not taken yet. */
- if (param->atime || param->ctime || param->mtime || param->obduuid ||
- param->check_size)
+ param->fp_lmd->lmd_lmm.lmm_stripe_count = 0;
+
+ /* If a regular expression is presented, make the initial decision */
+ if (param->fp_pattern != NULL) {
+ char *fname = strrchr(path, '/');
+ fname = (fname == NULL ? path : fname + 1);
+ ret = fnmatch(param->fp_pattern, fname, 0);
+ if ((ret == FNM_NOMATCH && !param->fp_exclude_pattern) ||
+ (ret == 0 && param->fp_exclude_pattern))
+ goto decided;
+ }
+
+ /* See if we can check the file type from the dirent. */
+ if (param->fp_type != 0 && de != NULL && de->d_type != DT_UNKNOWN) {
+ checked_type = 1;
+
+ if (DTTOIF(de->d_type) == param->fp_type) {
+ if (param->fp_exclude_type)
+ goto decided;
+ } else {
+ if (!param->fp_exclude_type)
+ goto decided;
+ }
+ }
+
+ ret = 0;
+
+ /* Request MDS for the stat info if some of these parameters need
+ * to be compared. */
+ if (param->fp_obd_uuid || param->fp_mdt_uuid ||
+ param->fp_check_uid || param->fp_check_gid ||
+ param->fp_atime || param->fp_mtime || param->fp_ctime ||
+ param->fp_check_pool || param->fp_check_size ||
+ param->fp_check_stripe_count || param->fp_check_stripe_size ||
+ param->fp_check_layout)
+ decision = 0;
+
+ if (param->fp_type != 0 && checked_type == 0)
decision = 0;
- ret = 0;
- /* Request MDS for the stat info. */
- if (param->have_fileinfo == 0) {
- if (dir) {
- /* retrieve needed file info */
- ret = ioctl(dirfd(dir), LL_IOC_MDC_GETINFO,
- (void *)param->lmd);
- } else {
- char *fname = strrchr(path, '/');
- fname = (fname == NULL ? path : fname + 1);
-
- /* retrieve needed file info */
- strncpy((char *)param->lmd, fname, param->lumlen);
- ret = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO,
- (void *)param->lmd);
- }
- }
-
- if (ret) {
- if (errno == ENOTTY) {
- /* ioctl is not supported, it is not a lustre fs.
- * Do the regular lstat(2) instead. */
- lustre_fs = 0;
- ret = lstat_f(path, st);
- if (ret) {
- llapi_err(LLAPI_MSG_ERROR,
- "error: %s: lstat failed for %s",
- __func__, path);
- return ret;
- }
- } else if (errno == ENOENT) {
- llapi_err(LLAPI_MSG_WARN,
- "warning: %s: %s does not exist",
- __func__, path);
- goto decided;
- } else {
- llapi_err(LLAPI_MSG_ERROR,"error: %s: %s failed for %s",
- __func__, dir ? "LL_IOC_MDC_GETINFO" :
- "IOC_MDC_GETFILEINFO", path);
- return ret;
- }
- }
-
- if (param->type && !checked_type) {
- if ((st->st_mode & S_IFMT) == param->type) {
- if (param->exclude_type)
- goto decided;
- } else {
- if (!param->exclude_type)
- goto decided;
- }
- }
-
- /* Prepare odb. */
- if (param->obduuid) {
- if (lustre_fs && param->got_uuids &&
- param->st_dev != st->st_dev) {
- /* A lustre/lustre mount point is crossed. */
- param->got_uuids = 0;
- param->obds_printed = 0;
- param->obdindex = OBD_NOT_FOUND;
- }
-
- if (lustre_fs && !param->got_uuids) {
- ret = setup_obd_indexes(dir ? dir : parent, param);
- if (ret)
- return ret;
-
- param->st_dev = st->st_dev;
- } else if (!lustre_fs && param->got_uuids) {
- /* A lustre/non-lustre mount point is crossed. */
- param->got_uuids = 0;
- param->obdindex = OBD_NOT_FOUND;
- }
- }
-
- /* If an OBD UUID is specified but no one matches, skip this file. */
- if (param->obduuid && param->obdindex == OBD_NOT_FOUND)
- goto decided;
-
- /* If a OST UUID is given, and some OST matches, check it here. */
- if (param->obdindex != OBD_NOT_FOUND) {
- if (!S_ISREG(st->st_mode))
- goto decided;
-
- /* Only those files should be accepted, which have a
- * stripe on the specified OST. */
- if (!param->lmd->lmd_lmm.lmm_stripe_count) {
- goto decided;
- } else {
- int i, j;
- struct lov_user_ost_data_v1 *lmm_objects;
-
- if (param->lmd->lmd_lmm.lmm_magic ==
- LOV_USER_MAGIC_V3) {
- struct lov_user_md_v3 *lmmv3 =
- (void *)¶m->lmd->lmd_lmm;
-
- lmm_objects = lmmv3->lmm_objects;
+ if (decision == 0) {
+ ret = get_lmd_info(path, parent, dir, param->fp_lmd,
+ param->fp_lum_size);
+ if (ret == 0) {
+ if (dir) {
+ ret = llapi_file_fget_mdtidx(dirfd(dir),
+ ¶m->fp_file_mdt_index);
} else {
- lmm_objects = param->lmd->lmd_lmm.lmm_objects;
- }
-
- for (i = 0;
- i < param->lmd->lmd_lmm.lmm_stripe_count; i++) {
- for (j = 0; j < param->num_obds; j++) {
- if (param->obdindexes[j] ==
- lmm_objects[i].l_ost_idx) {
- if (param->exclude_obd)
- goto decided;
- goto obd_matches;
+ int fd;
+ lstat_t tmp_st;
+
+ ret = lstat_f(path, &tmp_st);
+ if (ret) {
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "error: %s: lstat failed"
+ "for %s", __func__, path);
+ return ret;
+ }
+ if (S_ISREG(tmp_st.st_mode)) {
+ fd = open(path, O_RDONLY);
+ if (fd > 0) {
+ ret = llapi_file_fget_mdtidx(fd,
+ ¶m->fp_file_mdt_index);
+ close(fd);
+ } else {
+ ret = fd;
}
+ } else {
+ /* For special inode, it assumes to
+ * reside on the same MDT with the
+ * parent */
+ fd = dirfd(parent);
+ ret = llapi_file_fget_mdtidx(fd,
+ ¶m->fp_file_mdt_index);
}
}
-
- if (i == param->lmd->lmd_lmm.lmm_stripe_count) {
- if (param->exclude_obd)
- goto obd_matches;
- goto decided;
- }
- }
- }
-
- if (param->check_uid) {
- if (st->st_uid == param->uid) {
- if (param->exclude_uid)
- goto decided;
- } else {
- if (!param->exclude_uid)
- goto decided;
}
- }
-
- if (param->check_gid) {
- if (st->st_gid == param->gid) {
- if (param->exclude_gid)
- goto decided;
- } else {
- if (!param->exclude_gid)
+ if (ret) {
+ if (ret == -ENOTTY)
+ lustre_fs = 0;
+ if (ret == -ENOENT)
goto decided;
+ return ret;
}
}
- if (param->check_pool) {
- struct lov_user_md_v3 *lmmv3 = (void *)¶m->lmd->lmd_lmm;
+ if (param->fp_type && !checked_type) {
+ if ((st->st_mode & S_IFMT) == param->fp_type) {
+ if (param->fp_exclude_type)
+ goto decided;
+ } else {
+ if (!param->fp_exclude_type)
+ goto decided;
+ }
+ }
- /* empty requested pool is taken as no pool search => V1 */
- if (((param->lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V1) &&
- (param->poolname[0] == '\0')) ||
- ((param->lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V3) &&
- (strncmp(lmmv3->lmm_pool_name,
- param->poolname, LOV_MAXPOOLNAME) == 0)) ||
- ((param->lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V3) &&
- (strcmp(param->poolname, "*") == 0))) {
- if (param->exclude_pool)
- goto decided;
- } else {
- if (!param->exclude_pool)
- goto decided;
+ /* Prepare odb. */
+ if (param->fp_obd_uuid || param->fp_mdt_uuid) {
+ if (lustre_fs && param->fp_got_uuids &&
+ param->fp_dev != st->st_dev) {
+ /* A lustre/lustre mount point is crossed. */
+ param->fp_got_uuids = 0;
+ param->fp_obds_printed = 0;
+ param->fp_mdt_index = OBD_NOT_FOUND;
+ param->fp_obd_index = OBD_NOT_FOUND;
+ }
+
+ if (lustre_fs && !param->fp_got_uuids) {
+ ret = setup_target_indexes(dir ? dir : parent, path,
+ param);
+ if (ret)
+ return ret;
+
+ param->fp_dev = st->st_dev;
+ } else if (!lustre_fs && param->fp_got_uuids) {
+ /* A lustre/non-lustre mount point is crossed. */
+ param->fp_got_uuids = 0;
+ param->fp_mdt_index = OBD_NOT_FOUND;
+ param->fp_obd_index = OBD_NOT_FOUND;
}
}
- /* Check the time on mds. */
- if (!decision) {
+ if (param->fp_check_stripe_size) {
+ decision = find_value_cmp(
+ param->fp_lmd->lmd_lmm.lmm_stripe_size,
+ param->fp_stripe_size,
+ param->fp_stripe_size_sign,
+ param->fp_exclude_stripe_size,
+ param->fp_stripe_size_units, 0);
+ if (decision == -1)
+ goto decided;
+ }
+
+ if (param->fp_check_stripe_count) {
+ decision = find_value_cmp(
+ param->fp_lmd->lmd_lmm.lmm_stripe_count,
+ param->fp_stripe_count,
+ param->fp_stripe_count_sign,
+ param->fp_exclude_stripe_count, 1, 0);
+ if (decision == -1)
+ goto decided;
+ }
+
+ if (param->fp_check_layout) {
+ __u32 found;
+
+ found = (param->fp_lmd->lmd_lmm.lmm_pattern & param->fp_layout);
+ if ((param->fp_lmd->lmd_lmm.lmm_pattern == 0xFFFFFFFF) ||
+ (found && param->fp_exclude_layout) ||
+ (!found && !param->fp_exclude_layout)) {
+ decision = -1;
+ goto decided;
+ }
+ }
+
+ /* If an OBD UUID is specified but none matches, skip this file. */
+ if ((param->fp_obd_uuid && param->fp_obd_index == OBD_NOT_FOUND) ||
+ (param->fp_mdt_uuid && param->fp_mdt_index == OBD_NOT_FOUND))
+ goto decided;
+
+ /* If a OST or MDT UUID is given, and some OST matches,
+ * check it here. */
+ if (param->fp_obd_index != OBD_NOT_FOUND ||
+ param->fp_mdt_index != OBD_NOT_FOUND) {
+ if (param->fp_obd_uuid) {
+ if (check_obd_match(param)) {
+ /* If no mdtuuid is given, we are done.
+ * Otherwise, fall through to the mdtuuid
+ * check below. */
+ if (!param->fp_mdt_uuid)
+ goto obd_matches;
+ } else {
+ goto decided;
+ }
+ }
+
+ if (param->fp_mdt_uuid) {
+ if (check_mdt_match(param))
+ goto obd_matches;
+ goto decided;
+ }
+ }
+
+obd_matches:
+ if (param->fp_check_uid) {
+ if (st->st_uid == param->fp_uid) {
+ if (param->fp_exclude_uid)
+ goto decided;
+ } else {
+ if (!param->fp_exclude_uid)
+ goto decided;
+ }
+ }
+
+ if (param->fp_check_gid) {
+ if (st->st_gid == param->fp_gid) {
+ if (param->fp_exclude_gid)
+ goto decided;
+ } else {
+ if (!param->fp_exclude_gid)
+ goto decided;
+ }
+ }
+
+ if (param->fp_check_pool) {
+ struct lov_user_md_v3 *lmmv3 = (void *)¶m->fp_lmd->lmd_lmm;
+
+ /* empty requested pool is taken as no pool search => V1 */
+ if (((param->fp_lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V1) &&
+ (param->fp_poolname[0] == '\0')) ||
+ ((param->fp_lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V3) &&
+ (strncmp(lmmv3->lmm_pool_name,
+ param->fp_poolname, LOV_MAXPOOLNAME) == 0)) ||
+ ((param->fp_lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V3) &&
+ (strcmp(param->fp_poolname, "*") == 0))) {
+ if (param->fp_exclude_pool)
+ goto decided;
+ } else {
+ if (!param->fp_exclude_pool)
+ goto decided;
+ }
+ }
+
+ /* Check the time on mds. */
+ decision = 1;
+ if (param->fp_atime || param->fp_mtime || param->fp_ctime) {
int for_mds;
- for_mds = lustre_fs ? (S_ISREG(st->st_mode) &&
- param->lmd->lmd_lmm.lmm_stripe_count)
- : 0;
+ for_mds = lustre_fs ? (S_ISREG(st->st_mode) &&
+ param->fp_lmd->lmd_lmm.lmm_stripe_count)
+ : 0;
decision = find_time_check(st, param, for_mds);
+ if (decision == -1)
+ goto decided;
}
-obd_matches:
/* If file still fits the request, ask ost for updated info.
The regular stat is almost of the same speed as some new
'glimpse-size-ioctl'. */
- if (!decision && S_ISREG(st->st_mode) &&
- param->lmd->lmd_lmm.lmm_stripe_count &&
- (param->check_size ||param->atime || param->mtime || param->ctime)) {
- if (param->obdindex != OBD_NOT_FOUND) {
- /* Check whether the obd is active or not, if it is
- * not active, just print the object affected by this
- * failed ost
- * */
- struct obd_statfs stat_buf;
- struct obd_uuid uuid_buf;
-
- memset(&stat_buf, 0, sizeof(struct obd_statfs));
- memset(&uuid_buf, 0, sizeof(struct obd_uuid));
- ret = llapi_obd_statfs(path, LL_STATFS_LOV,
- param->obdindex, &stat_buf,
- &uuid_buf);
- if (ret) {
- if (ret == -ENODATA || ret == -ENODEV
- || ret == -EIO)
- errno = EIO;
- llapi_printf(LLAPI_MSG_NORMAL,
- "obd_uuid: %s failed %s ",
- param->obduuid->uuid,
- strerror(errno));
- goto print_path;
- }
- }
- if (dir) {
- ret = ioctl(dirfd(dir), IOC_LOV_GETINFO,
- (void *)param->lmd);
- } else if (parent) {
- ret = ioctl(dirfd(parent), IOC_LOV_GETINFO,
- (void *)param->lmd);
- }
+
+ if (param->fp_check_size && S_ISREG(st->st_mode) &&
+ param->fp_lmd->lmd_lmm.lmm_stripe_count)
+ decision = 0;
+
+ while (!decision) {
+ /* For regular files with the stripe the decision may have not
+ * been taken yet if *time or size is to be checked. */
+ LASSERT((S_ISREG(st->st_mode) &&
+ param->fp_lmd->lmd_lmm.lmm_stripe_count) ||
+ param->fp_mdt_index != OBD_NOT_FOUND);
+
+ if (param->fp_obd_index != OBD_NOT_FOUND)
+ print_failed_tgt(param, path, LL_STATFS_LOV);
+
+ if (param->fp_mdt_index != OBD_NOT_FOUND)
+ print_failed_tgt(param, path, LL_STATFS_LMV);
+
+ if (dir) {
+ ret = ioctl(dirfd(dir), IOC_LOV_GETINFO,
+ (void *)param->fp_lmd);
+ } else if (parent) {
+ ret = ioctl(dirfd(parent), IOC_LOV_GETINFO,
+ (void *)param->fp_lmd);
+ }
if (ret) {
if (errno == ENOENT) {
- llapi_err(LLAPI_MSG_ERROR,
- "warning: %s: %s does not exist",
- __func__, path);
+ llapi_error(LLAPI_MSG_ERROR, -ENOENT,
+ "warning: %s: %s does not exist",
+ __func__, path);
goto decided;
} else {
- llapi_err(LLAPI_MSG_ERROR,
- "%s: IOC_LOV_GETINFO on %s failed",
- __func__, path);
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "%s: IOC_LOV_GETINFO on %s failed",
+ __func__, path);
return ret;
}
}
decision = find_time_check(st, param, 0);
if (decision == -1)
goto decided;
+
+ break;
}
- if (param->check_size)
- decision = find_value_cmp(st->st_size, param->size,
- param->size_sign, param->exclude_size,
- param->size_units, 0);
+ if (param->fp_check_size)
+ decision = find_value_cmp(st->st_size, param->fp_size,
+ param->fp_size_sign,
+ param->fp_exclude_size,
+ param->fp_size_units, 0);
-print_path:
if (decision != -1) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", path);
- if (param->zeroend)
+ if (param->fp_zero_end)
llapi_printf(LLAPI_MSG_NORMAL, "%c", '\0');
else
llapi_printf(LLAPI_MSG_NORMAL, "\n");
decided:
/* Do not get down anymore? */
- if (param->depth == param->maxdepth)
- return 1;
+ if (param->fp_depth == param->fp_max_depth)
+ return 1;
- param->depth++;
- return 0;
+ param->fp_depth++;
+
+ return 0;
+}
+
+static int cb_mv_init(char *path, DIR *parent, DIR **dirp,
+ void *param_data, struct dirent64 *de)
+{
+ struct find_param *param = (struct find_param *)param_data;
+ DIR *dir = parent;
+ char raw[OBD_MAX_IOCTL_BUFFER] = {'\0'};
+ char *rawbuf = raw;
+ struct obd_ioctl_data data = { 0 };
+ int fd;
+ int ret;
+ char *filename;
+
+ LASSERT(parent != NULL || dirp != NULL);
+ if (dirp != NULL)
+ closedir(*dirp);
+
+ if (parent == NULL) {
+ dir = opendir_parent(path);
+ if (dir == NULL) {
+ *dirp = NULL;
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "can not open %s", path);
+ return ret;
+ }
+ }
+
+ fd = dirfd(dir);
+
+ filename = basename(path);
+ data.ioc_inlbuf1 = (char *)filename;
+ data.ioc_inllen1 = strlen(filename) + 1;
+ data.ioc_inlbuf2 = (char *)¶m->fp_mdt_index;
+ data.ioc_inllen2 = sizeof(param->fp_mdt_index);
+ ret = obd_ioctl_pack(&data, &rawbuf, sizeof(raw));
+ if (ret != 0) {
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "llapi_obd_statfs: error packing ioctl data");
+ goto out;
+ }
+
+ ret = ioctl(fd, LL_IOC_MIGRATE, rawbuf);
+ if (ret != 0) {
+ ret = -errno;
+ fprintf(stderr, "%s migrate failed %d\n", path, ret);
+ goto out;
+ } else if (param->fp_verbose & VERBOSE_DETAIL) {
+ fprintf(stdout, "migrate %s to MDT%d\n",
+ path, param->fp_mdt_index);
+ }
+
+out:
+ if (dirp != NULL) {
+ /* If the directory is being migration, we need
+ * close the directory after migration,
+ * so the old directory cache will be cleanup
+ * on the client side, and re-open to get the
+ * new directory handle */
+ *dirp = opendir(path);
+ if (dirp == NULL) {
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "%s: Failed to open '%s'", __func__, path);
+ return ret;
+ }
+ }
+
+ if (parent == NULL)
+ closedir(dir);
+
+ return ret;
+}
+
+int llapi_mv(char *path, struct find_param *param)
+{
+ return param_callback(path, cb_mv_init, cb_common_fini, param);
}
int llapi_find(char *path, struct find_param *param)
*/
int llapi_file_fget_mdtidx(int fd, int *mdtidx)
{
- if (ioctl(fd, LL_IOC_GET_MDTIDX, &mdtidx) < 0)
+ if (ioctl(fd, LL_IOC_GET_MDTIDX, mdtidx) < 0)
return -errno;
return 0;
}
-static int cb_get_mdt_index(char *path, DIR *parent, DIR *d, void *data,
- cfs_dirent_t *de)
+static int cb_get_mdt_index(char *path, DIR *parent, DIR **dirp, void *data,
+ struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
+ DIR *d = dirp == NULL ? NULL : *dirp;
int ret = 0;
int mdtidx;
ret = llapi_file_fget_mdtidx(fd, &mdtidx);
close(fd);
} else {
- ret = fd;
+ ret = -errno;
}
}
if (ret) {
- if (errno == ENODATA) {
- if (!param->obduuid)
+ if (ret == -ENODATA) {
+ if (!param->fp_obd_uuid)
llapi_printf(LLAPI_MSG_NORMAL,
"%s has no stripe info\n", path);
goto out;
- } else if (errno == ENOTTY) {
- llapi_err(LLAPI_MSG_ERROR,
- "%s: '%s' not on a Lustre fs?",
- __func__, path);
- } else if (errno == ENOENT) {
- llapi_err(LLAPI_MSG_WARN,
- "warning: %s: %s does not exist",
- __func__, path);
+ } else if (ret == -ENOENT) {
+ llapi_error(LLAPI_MSG_WARN, ret,
+ "warning: %s: %s does not exist",
+ __func__, path);
goto out;
+ } else if (ret == -ENOTTY) {
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "%s: '%s' not on a Lustre fs?",
+ __func__, path);
} else {
- llapi_err(LLAPI_MSG_ERROR,
- "error: %s: LL_IOC_GET_MDTIDX failed for %s",
- __func__, path);
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "error: %s: LL_IOC_GET_MDTIDX failed for %s",
+ __func__, path);
}
return ret;
}
- if (param->quiet)
+ /* The 'LASSERT(parent != NULL || d != NULL);' guarantees
+ * that either 'd' or 'parent' is not null.
+ * So in all cases llapi_file_fget_mdtidx() is called,
+ * thus initializing 'mdtidx'. */
+ if (param->fp_quiet || !(param->fp_verbose & VERBOSE_DETAIL))
+ /* coverity[uninit_use_in_call] */
llapi_printf(LLAPI_MSG_NORMAL, "%d\n", mdtidx);
else
- llapi_printf(LLAPI_MSG_NORMAL, "%s MDT index: %d\n",
+ /* coverity[uninit_use_in_call] */
+ llapi_printf(LLAPI_MSG_NORMAL, "%s\nmdt_index:\t%d\n",
path, mdtidx);
out:
- /* Do not get down anymore? */
- if (param->depth == param->maxdepth)
- return 1;
+ /* Do not get down anymore? */
+ if (param->fp_depth == param->fp_max_depth)
+ return 1;
- param->depth++;
- return 0;
+ param->fp_depth++;
+
+ return 0;
}
-static int cb_getstripe(char *path, DIR *parent, DIR *d, void *data,
- cfs_dirent_t *de)
+static int cb_getstripe(char *path, DIR *parent, DIR **dirp, void *data,
+ struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
+ DIR *d = dirp == NULL ? NULL : *dirp;
int ret = 0;
LASSERT(parent != NULL || d != NULL);
- if (param->obduuid) {
- param->quiet = 1;
+ if (param->fp_obd_uuid) {
+ param->fp_quiet = 1;
ret = setup_obd_uuid(d ? d : parent, path, param);
if (ret)
return ret;
}
- if (d) {
- ret = ioctl(dirfd(d), LL_IOC_LOV_GETSTRIPE,
- (void *)¶m->lmd->lmd_lmm);
- } else if (parent) {
- char *fname = strrchr(path, '/');
- fname = (fname == NULL ? path : fname + 1);
+ if (d) {
+ if (param->fp_get_lmv || param->fp_get_default_lmv) {
+ ret = cb_get_dirstripe(path, d, param);
+ } else {
+ ret = ioctl(dirfd(d), LL_IOC_LOV_GETSTRIPE,
+ (void *)¶m->fp_lmd->lmd_lmm);
+ }
- strncpy((char *)¶m->lmd->lmd_lmm, fname, param->lumlen);
+ } else if (parent && !param->fp_get_lmv && !param->fp_get_default_lmv) {
+ char *fname = strrchr(path, '/');
+ fname = (fname == NULL ? path : fname + 1);
- ret = ioctl(dirfd(parent), IOC_MDC_GETFILESTRIPE,
- (void *)¶m->lmd->lmd_lmm);
- }
+ strlcpy((char *)¶m->fp_lmd->lmd_lmm, fname,
+ param->fp_lum_size);
+
+ ret = ioctl(dirfd(parent), IOC_MDC_GETFILESTRIPE,
+ (void *)¶m->fp_lmd->lmd_lmm);
+ } else {
+ return 0;
+ }
if (ret) {
if (errno == ENODATA && d != NULL) {
- /* We need to "fake" the "use the default" values
- * since the lmm struct is zeroed out at this point.
- * The magic needs to be set in order to satisfy
- * a check later on in the code path.
- * The object_seq needs to be set for the "(Default)"
- * prefix to be displayed. */
- struct lov_user_md *lmm = ¶m->lmd->lmd_lmm;
- lmm->lmm_magic = LOV_MAGIC_V1;
- if (!param->raw)
- lmm->lmm_object_seq = LOV_OBJECT_GROUP_DEFAULT;
- lmm->lmm_stripe_count = 0;
- lmm->lmm_stripe_size = 0;
- lmm->lmm_stripe_offset = -1;
- goto dump;
-
+ /* We need to "fake" the "use the default" values
+ * since the lmm struct is zeroed out at this point.
+ * The magic needs to be set in order to satisfy
+ * a check later on in the code path.
+ * The object_seq needs to be set for the "(Default)"
+ * prefix to be displayed. */
+ if (param->fp_get_default_lmv) {
+ struct lmv_user_md *lum = param->fp_lmv_md;
+
+ lum->lum_magic = LMV_USER_MAGIC;
+ lum->lum_stripe_count = 0;
+ lum->lum_stripe_offset = -1;
+ goto dump;
+ } else if (param->fp_get_lmv) {
+ struct lmv_user_md *lum = param->fp_lmv_md;
+ int mdtidx;
+
+ ret = llapi_file_fget_mdtidx(dirfd(d), &mdtidx);
+ if (ret != 0)
+ goto err_out;
+ lum->lum_magic = LMV_MAGIC_V1;
+ lum->lum_stripe_count = 0;
+ lum->lum_stripe_offset = mdtidx;
+ goto dump;
+ } else {
+ struct lov_user_md *lmm =
+ ¶m->fp_lmd->lmd_lmm;
+
+ lmm->lmm_magic = LOV_USER_MAGIC_V1;
+ if (!param->fp_raw)
+ ostid_set_seq(&lmm->lmm_oi,
+ FID_SEQ_LOV_DEFAULT);
+ lmm->lmm_stripe_count = 0;
+ lmm->lmm_stripe_size = 0;
+ lmm->lmm_stripe_offset = -1;
+ goto dump;
+ }
} else if (errno == ENODATA && parent != NULL) {
- if (!param->obduuid)
+ if (!param->fp_obd_uuid && !param->fp_mdt_uuid)
llapi_printf(LLAPI_MSG_NORMAL,
"%s has no stripe info\n", path);
goto out;
- } else if (errno == ENOTTY) {
- llapi_err(LLAPI_MSG_ERROR,
- "%s: '%s' not on a Lustre fs?",
- __func__, path);
} else if (errno == ENOENT) {
- llapi_err(LLAPI_MSG_WARN,
- "warning: %s: %s does not exist",
- __func__, path);
+ llapi_error(LLAPI_MSG_WARN, -ENOENT,
+ "warning: %s: %s does not exist",
+ __func__, path);
goto out;
+ } else if (errno == ENOTTY) {
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "%s: '%s' not on a Lustre fs?",
+ __func__, path);
} else {
- llapi_err(LLAPI_MSG_ERROR,
- "error: %s: %s failed for %s",
- __func__, d ? "LL_IOC_LOV_GETSTRIPE" :
- "IOC_MDC_GETFILESTRIPE", path);
- }
+ ret = -errno;
+err_out:
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "error: %s: %s failed for %s",
+ __func__, d ? "LL_IOC_LOV_GETSTRIPE" :
+ "IOC_MDC_GETFILESTRIPE", path);
+ }
return ret;
}
dump:
- if (!param->get_mdt_index)
+ if (!(param->fp_verbose & VERBOSE_MDTINDEX))
llapi_lov_dump_user_lmm(param, path, d ? 1 : 0);
out:
- /* Do not get down anymore? */
- if (param->depth == param->maxdepth)
- return 1;
+ /* Do not get down anymore? */
+ if (param->fp_depth == param->fp_max_depth)
+ return 1;
- param->depth++;
- return 0;
+ param->fp_depth++;
+
+ return 0;
}
int llapi_getstripe(char *path, struct find_param *param)
{
- return param_callback(path, param->get_mdt_index ?
+ return param_callback(path, (param->fp_verbose & VERBOSE_MDTINDEX) ?
cb_get_mdt_index : cb_getstripe,
cb_common_fini, param);
}
data.ioc_pbuf2 = (char *)uuid_buf;
data.ioc_plen2 = sizeof(struct obd_uuid);
- if ((rc = obd_ioctl_pack(&data, &rawbuf, sizeof(raw))) != 0) {
- llapi_err(LLAPI_MSG_ERROR,
- "llapi_obd_statfs: error packing ioctl data");
- return rc;
- }
-
- fd = open(path, O_RDONLY);
- if (errno == EISDIR)
- fd = open(path, O_DIRECTORY | O_RDONLY);
-
- if (fd < 0) {
- rc = errno ? -errno : -EBADF;
- llapi_err(LLAPI_MSG_ERROR, "error: %s: opening '%s'",
- __func__, path);
+ rc = obd_ioctl_pack(&data, &rawbuf, sizeof(raw));
+ if (rc != 0) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "llapi_obd_statfs: error packing ioctl data");
return rc;
}
- rc = ioctl(fd, IOC_OBD_STATFS, (void *)rawbuf);
- if (rc)
- rc = errno ? -errno : -EINVAL;
- close(fd);
- return rc;
+ fd = open(path, O_RDONLY);
+ if (errno == EISDIR)
+ fd = open(path, O_DIRECTORY | O_RDONLY);
+
+ if (fd < 0) {
+ rc = errno ? -errno : -EBADF;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: %s: opening '%s'",
+ __func__, path);
+ /* If we can't even open a file on the filesystem (e.g. with
+ * -ESHUTDOWN), force caller to exit or it will loop forever. */
+ return -ENODEV;
+ }
+ rc = ioctl(fd, IOC_OBD_STATFS, (void *)rawbuf);
+ if (rc)
+ rc = errno ? -errno : -EINVAL;
+
+ close(fd);
+ return rc;
}
#define MAX_STRING_SIZE 128
-#define DEVICES_LIST "/proc/fs/lustre/devices"
int llapi_ping(char *obd_type, char *obd_name)
{
fd = open(path, O_WRONLY);
if (fd < 0) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR, "error opening %s", path);
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error opening %s", path);
return rc;
}
+ /* The purpose is to send a byte as a ping, whatever this byte is. */
+ /* coverity[uninit_use_in_call] */
rc = write(fd, buf, 1);
+ if (rc < 0)
+ rc = -errno;
close(fd);
if (rc == 1)
return rc;
}
-int llapi_target_iterate(int type_num, char **obd_type,void *args,llapi_cb_t cb)
+int llapi_target_iterate(int type_num, char **obd_type,
+ void *args, llapi_cb_t cb)
{
char buf[MAX_STRING_SIZE];
FILE *fp = fopen(DEVICES_LIST, "r");
int i, rc = 0;
if (fp == NULL) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR, "error: opening "DEVICES_LIST);
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: opening "DEVICES_LIST);
return rc;
}
char *obd_name = NULL;
char *obd_uuid = NULL;
char *bufp = buf;
- struct obd_ioctl_data datal = { 0, };
struct obd_statfs osfs_buffer;
while(bufp[0] == ' ')
memset(&osfs_buffer, 0, sizeof (osfs_buffer));
- datal.ioc_pbuf1 = (char *)&osfs_buffer;
- datal.ioc_plen1 = sizeof(osfs_buffer);
-
for (i = 0; i < type_num; i++) {
if (strcmp(obd_type_name, obd_type[i]) != 0)
continue;
}
}
fclose(fp);
- return rc;
+ return 0;
}
static void do_target_check(char *obd_type_name, char *obd_name,
if (rc == ENOTCONN) {
llapi_printf(LLAPI_MSG_NORMAL, "%s inactive.\n", obd_name);
} else if (rc) {
- llapi_err(LLAPI_MSG_ERROR, "error: check '%s'", obd_name);
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: check '%s'", obd_name);
} else {
llapi_printf(LLAPI_MSG_NORMAL, "%s active.\n", obd_name);
}
#undef MAX_STRING_SIZE
-int llapi_catinfo(char *dir, char *keyword, char *node_name)
-{
- char raw[OBD_MAX_IOCTL_BUFFER];
- char out[LLOG_CHUNK_SIZE];
- char *buf = raw;
- struct obd_ioctl_data data = { 0 };
- char key[30];
- DIR *root;
- int rc;
-
- sprintf(key, "%s", keyword);
- memset(raw, 0, sizeof(raw));
- memset(out, 0, sizeof(out));
- data.ioc_inlbuf1 = key;
- data.ioc_inllen1 = strlen(key) + 1;
- if (node_name) {
- data.ioc_inlbuf2 = node_name;
- data.ioc_inllen2 = strlen(node_name) + 1;
- }
- data.ioc_pbuf1 = out;
- data.ioc_plen1 = sizeof(out);
- rc = obd_ioctl_pack(&data, &buf, sizeof(raw));
- if (rc)
- return rc;
-
- root = opendir(dir);
- if (root == NULL) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR, "open %s failed", dir);
- return rc;
- }
-
- rc = ioctl(dirfd(root), OBD_IOC_LLOG_CATINFO, buf);
- if (rc)
- llapi_err(LLAPI_MSG_ERROR, "ioctl OBD_IOC_CATINFO failed");
- else
- llapi_printf(LLAPI_MSG_NORMAL, "%s", data.ioc_pbuf1);
-
- closedir(root);
- return rc;
-}
-
/* Is this a lustre fs? */
int llapi_is_lustre_mnttype(const char *type)
{
root = opendir(mnt);
if (!root) {
- llapi_err(LLAPI_MSG_ERROR, "open %s failed", mnt);
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "open %s failed", mnt);
+ return rc;
}
- rc = ioctl(dirfd(root), LL_IOC_QUOTACHECK, check_type);
+ rc = ioctl(dirfd(root), OBD_IOC_QUOTACHECK, check_type);
+ if (rc < 0)
+ rc = -errno;
closedir(root);
return rc;
root = opendir(mnt);
if (!root) {
- llapi_err(LLAPI_MSG_ERROR, "open %s failed", mnt);
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "open %s failed", mnt);
+ return rc;
}
while (1) {
- rc = ioctl(dirfd(root), LL_IOC_POLL_QUOTACHECK, qchk);
+ rc = ioctl(dirfd(root), OBD_IOC_POLL_QUOTACHECK, qchk);
if (!rc)
break;
sleep(poll_intvl);
}
closedir(root);
- return rc;
+ return 0;
}
int llapi_quotactl(char *mnt, struct if_quotactl *qctl)
root = opendir(mnt);
if (!root) {
- llapi_err(LLAPI_MSG_ERROR, "open %s failed", mnt);
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "open %s failed", mnt);
+ return rc;
}
- rc = ioctl(dirfd(root), LL_IOC_QUOTACTL, qctl);
+ rc = ioctl(dirfd(root), OBD_IOC_QUOTACTL, qctl);
+ if (rc < 0)
+ rc = -errno;
closedir(root);
return rc;
}
-static int cb_quotachown(char *path, DIR *parent, DIR *d, void *data,
- cfs_dirent_t *de)
+static int cb_quotachown(char *path, DIR *parent, DIR **dirp, void *data,
+ struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
+ DIR *d = dirp == NULL ? NULL : *dirp;
lstat_t *st;
int rc;
LASSERT(parent != NULL || d != NULL);
- if (d) {
- rc = ioctl(dirfd(d), LL_IOC_MDC_GETINFO,
- (void *)param->lmd);
- } else if (parent) {
- char *fname = strrchr(path, '/');
- fname = (fname == NULL ? path : fname + 1);
-
- strncpy((char *)param->lmd, fname, param->lumlen);
- rc = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO,
- (void *)param->lmd);
- } else {
- return 0;
- }
-
+ rc = get_lmd_info(path, parent, d, param->fp_lmd, param->fp_lum_size);
if (rc) {
- if (errno == ENODATA) {
- if (!param->obduuid && !param->quiet)
- llapi_err(LLAPI_MSG_ERROR,
+ if (rc == -ENODATA) {
+ if (!param->fp_obd_uuid && !param->fp_quiet)
+ llapi_error(LLAPI_MSG_ERROR, -ENODATA,
"%s has no stripe info", path);
rc = 0;
- } else if (errno == ENOENT) {
- llapi_err(LLAPI_MSG_ERROR,
- "warning: %s: %s does not exist",
- __func__, path);
+ } else if (rc == -ENOENT) {
rc = 0;
- } else if (errno != EISDIR) {
- rc = errno;
- llapi_err(LLAPI_MSG_ERROR, "%s ioctl failed for %s.",
- d ? "LL_IOC_MDC_GETINFO" :
- "IOC_MDC_GETFILEINFO", path);
}
return rc;
}
- st = ¶m->lmd->lmd_st;
+ st = ¶m->fp_lmd->lmd_st;
/* libc chown() will do extra check, and if the real owner is
* the same as the ones to set, it won't fall into kernel, so
* invoke syscall directly. */
rc = syscall(SYS_chown, path, -1, -1);
if (rc)
- llapi_err(LLAPI_MSG_ERROR,"error: chown %s (%u,%u)", path);
+ llapi_error(LLAPI_MSG_ERROR, errno,
+ "error: chown %s", path);
rc = chmod(path, st->st_mode);
- if (rc)
- llapi_err(LLAPI_MSG_ERROR, "error: chmod %s (%hu)",
- path, st->st_mode);
+ if (rc) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: chmod %s (%hu)",
+ path, st->st_mode);
+ }
return rc;
}
struct find_param param;
memset(¶m, 0, sizeof(param));
- param.recursive = 1;
- param.verbose = 0;
- param.quiet = 1;
+ param.fp_recursive = 1;
+ param.fp_verbose = 0;
+ param.fp_quiet = 1;
return param_callback(path, cb_quotachown, NULL, ¶m);
}
{
FILE *fp;
struct mntent *mnt;
- int found = 0, fd, rc;
+ int found = 0, fd = 0, rc = 0;
fp = setmntent(MOUNTED, "r");
if (fp == NULL) {
- perror("setmntent");
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error setmntent(%s)", MOUNTED);
+ return rc;
}
while (1) {
if (!mnt)
break;
- if (!llapi_is_lustre_mnt(mnt))
+ if (!llapi_is_lustre_mnt(mnt))
continue;
fd = open(mnt->mnt_dir, O_RDONLY | O_DIRECTORY);
if (fd < 0) {
- perror("open");
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Can't open '%s'", mnt->mnt_dir);
+ goto out;
}
rc = ioctl(fd, LL_IOC_RMTACL, ops);
+ close(fd);
if (rc < 0) {
- perror("ioctl");
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "ioctl RMTACL on '%s' err %d",
+ mnt->mnt_dir, rc);
+ goto out;
}
found++;
}
+
+out:
endmntent(fp);
- return found;
+ return ((rc != 0) ? rc : found);
}
static char *next_token(char *p, int div)
if (is_user) {
struct passwd *pw;
- if ((pw = getpwnam(name)) == NULL)
+ pw = getpwnam(name);
+ if (pw == NULL)
return INVALID_ID;
else
return (int)(pw->pw_uid);
} else {
struct group *gr;
- if ((gr = getgrnam(name)) == NULL)
+ gr = getgrnam(name);
+ if (gr == NULL)
return INVALID_ID;
else
return (int)(gr->gr_gid);
static int do_rmtacl(int argc, char *argv[], int ops, int (output_func)(char *))
{
pid_t pid = 0;
- int fd[2], status;
+ int fd[2], status, rc;
FILE *fp;
char buf[PIPE_BUF];
if (output_func) {
if (pipe(fd) < 0) {
- perror("pipe");
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "Can't create pipe");
+ return rc;
}
- if ((pid = fork()) < 0) {
- perror("fork");
+ pid = fork();
+ if (pid < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "Can't fork");
close(fd[0]);
close(fd[1]);
- return -1;
+ return rc;
} else if (!pid) {
/* child process redirects its output. */
close(fd[0]);
close(1);
if (dup2(fd[1], 1) < 0) {
- perror("dup2");
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Can't dup2 %d", fd[1]);
close(fd[1]);
- return -1;
+ return rc;
}
} else {
close(fd[1]);
if (!pid) {
status = rmtacl_notify(ops);
if (status < 0)
- return -1;
+ return -errno;
exit(execvp(argv[0], argv));
}
/* the following is parent process */
- if ((fp = fdopen(fd[0], "r")) == NULL) {
- perror("fdopen");
+ fp = fdopen(fd[0], "r");
+ if (fp == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "fdopen %d failed", fd[0]);
kill(pid, SIGKILL);
close(fd[0]);
- return -1;
+ return rc;
}
while (fgets(buf, PIPE_BUF, fp) != NULL) {
close(fd[0]);
if (waitpid(pid, &status, 0) < 0) {
- perror("waitpid");
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "waitpid %d failed", pid);
+ return rc;
}
return child_status(status);
rc = rmtacl_notify(RMT_RSETFACL);
if (rc < 0)
- return -1;
+ return rc;
exit(execvp(argv[0], argv));
}
rc = rmtacl_notify(RMT_LGETFACL);
if (rc < 0)
- return -1;
+ return rc;
exit(execvp(argv[0], argv));
}
suffix[0] = '\0';
} else {
/* Not enough room to add suffix */
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "MDT name too long |%s|", name);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "MDT name too long |%s|", name);
return -EINVAL;
}
}
* \param mdtidxp pointer to integer within data to be filled in with the
* mdt index (0 if no mdt is specified). NULL won't be filled.
*/
-static int root_ioctl(const char *mdtname, int opc, void *data, int *mdtidxp,
- int want_error)
+int root_ioctl(const char *mdtname, int opc, void *data, int *mdtidxp,
+ int want_error)
{
char fsname[20];
char *ptr;
- int fd, index, rc;
+ int fd, rc;
+ long index;
/* Take path, fsname, or MDTname. Assume MDT0000 in the former cases.
Open root and parse mdt index. */
}
if (rc < 0) {
if (want_error)
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "Can't open %s: %d\n", mdtname, rc);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "Can't open %s: %d\n", mdtname, rc);
return rc;
}
else
rc = 0;
if (rc && want_error)
- llapi_err(LLAPI_MSG_ERROR, "ioctl %d err %d", opc, rc);
+ llapi_error(LLAPI_MSG_ERROR, rc, "ioctl %d err %d", opc, rc);
close(fd);
return rc;
#define CHANGELOG_PRIV_MAGIC 0xCA8E1080
struct changelog_private {
- int magic;
- int flags;
- lustre_kernelcomm kuc;
+ int magic;
+ enum changelog_send_flag flags;
+ lustre_kernelcomm kuc;
};
/** Start reading from a changelog
* @param startrec Report changes beginning with this record number
* (just call llapi_changelog_fini when done; don't need an endrec)
*/
-int llapi_changelog_start(void **priv, int flags, const char *device,
- long long startrec)
+int llapi_changelog_start(void **priv, enum changelog_send_flag flags,
+ const char *device, long long startrec)
{
- struct changelog_private *cp;
- int rc;
-
- /* Set up the receiver control struct */
- cp = calloc(1, sizeof(*cp));
- if (cp == NULL)
- return -ENOMEM;
-
- cp->magic = CHANGELOG_PRIV_MAGIC;
- cp->flags = flags;
-
- /* Set up the receiver */
- rc = libcfs_ukuc_start(&cp->kuc, 0 /* no group registration */);
- if (rc < 0)
- goto out_free;
-
- *priv = cp;
-
- /* Tell the kernel to start sending */
- rc = changelog_ioctl(device, OBD_IOC_CHANGELOG_SEND, cp->kuc.lk_wfd,
- startrec, flags);
- /* Only the kernel reference keeps the write side open */
- close(cp->kuc.lk_wfd);
- cp->kuc.lk_wfd = 0;
- if (rc < 0) {
- /* frees and clears priv */
- llapi_changelog_fini(priv);
- return rc;
- }
-
- return 0;
+ struct changelog_private *cp;
+ static bool warned;
+ int rc;
+
+ /* Set up the receiver control struct */
+ cp = calloc(1, sizeof(*cp));
+ if (cp == NULL)
+ return -ENOMEM;
+
+ cp->magic = CHANGELOG_PRIV_MAGIC;
+ cp->flags = flags;
+
+ /* Set up the receiver */
+ rc = libcfs_ukuc_start(&cp->kuc, 0 /* no group registration */, 0);
+ if (rc < 0)
+ goto out_free;
+
+ *priv = cp;
+
+ /* CHANGELOG_FLAG_JOBID will eventually become mandatory. Display a
+ * warning if it's missing. */
+ if (!(flags & CHANGELOG_FLAG_JOBID) && !warned) {
+ llapi_err_noerrno(LLAPI_MSG_WARN, "warning: %s() called "
+ "w/o CHANGELOG_FLAG_JOBID", __func__);
+ warned = true;
+ }
+
+ /* Tell the kernel to start sending */
+ rc = changelog_ioctl(device, OBD_IOC_CHANGELOG_SEND, cp->kuc.lk_wfd,
+ startrec, flags);
+ /* Only the kernel reference keeps the write side open */
+ close(cp->kuc.lk_wfd);
+ cp->kuc.lk_wfd = LK_NOFD;
+ if (rc < 0) {
+ /* frees and clears priv */
+ llapi_changelog_fini(priv);
+ return rc;
+ }
+
+ return 0;
out_free:
- free(cp);
- return rc;
+ free(cp);
+ return rc;
}
/** Finish reading from a changelog */
return 0;
}
+/**
+ * Convert all records to a same format according to the caller's wishes.
+ * Default is CLF_VERSION | CLF_RENAME.
+ * Add CLF_JOBID if explicitely requested.
+ *
+ * \param rec The record to remap. It is expected to be big enough to
+ * properly handle the final format.
+ * \return 1 if anything changed. 0 otherwise.
+ */
/** Read the next changelog entry
* @param priv Opaque private control structure
* @param rech Changelog record handle; record will be allocated here
* <0 error code
* 1 EOF
*/
+#define DEFAULT_RECORD_FMT (CLF_VERSION | CLF_RENAME)
int llapi_changelog_recv(void *priv, struct changelog_rec **rech)
{
- struct changelog_private *cp = (struct changelog_private *)priv;
- struct kuc_hdr *kuch;
- int rc = 0;
-
- if (!cp || (cp->magic != CHANGELOG_PRIV_MAGIC))
- return -EINVAL;
- if (rech == NULL)
- return -EINVAL;
- kuch = malloc(CR_MAXSIZE + sizeof(*kuch));
- if (kuch == NULL)
- return -ENOMEM;
+ struct changelog_private *cp = (struct changelog_private *)priv;
+ struct kuc_hdr *kuch;
+ enum changelog_rec_flags rec_fmt = DEFAULT_RECORD_FMT;
+ int rc = 0;
+
+ if (!cp || (cp->magic != CHANGELOG_PRIV_MAGIC))
+ return -EINVAL;
+ if (rech == NULL)
+ return -EINVAL;
+ kuch = malloc(KUC_CHANGELOG_MSG_MAXSIZE);
+ if (kuch == NULL)
+ return -ENOMEM;
+
+ if (cp->flags & CHANGELOG_FLAG_JOBID)
+ rec_fmt |= CLF_JOBID;
repeat:
- rc = libcfs_ukuc_msg_get(&cp->kuc, (char *)kuch,
- CR_MAXSIZE + sizeof(*kuch),
- KUC_TRANSPORT_CHANGELOG);
- if (rc < 0)
- goto out_free;
+ rc = libcfs_ukuc_msg_get(&cp->kuc, (char *)kuch,
+ KUC_CHANGELOG_MSG_MAXSIZE,
+ KUC_TRANSPORT_CHANGELOG);
+ if (rc < 0)
+ goto out_free;
if ((kuch->kuc_transport != KUC_TRANSPORT_CHANGELOG) ||
((kuch->kuc_msgtype != CL_RECORD) &&
(kuch->kuc_msgtype != CL_EOF))) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "Unknown changelog message type %d:%d\n",
- kuch->kuc_transport, kuch->kuc_msgtype);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "Unknown changelog message type %d:%d\n",
+ kuch->kuc_transport, kuch->kuc_msgtype);
rc = -EPROTO;
goto out_free;
}
}
}
- /* Our message is a changelog_rec. Use pointer math to skip
- * kuch_hdr and point directly to the message payload.
- */
- *rech = (struct changelog_rec *)(kuch + 1);
+ /* Our message is a changelog_rec. Use pointer math to skip
+ * kuch_hdr and point directly to the message payload. */
+ *rech = (struct changelog_rec *)(kuch + 1);
+ changelog_remap_rec(*rech, rec_fmt);
return 0;
int llapi_changelog_clear(const char *mdtname, const char *idstr,
long long endrec)
{
- int id;
+ long id;
if (endrec < 0) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "can't purge negative records\n");
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "can't purge negative records\n");
return -EINVAL;
}
id = strtol(idstr + strlen(CHANGELOG_USER_PREFIX), NULL, 10);
if ((id == 0) || (strncmp(idstr, CHANGELOG_USER_PREFIX,
strlen(CHANGELOG_USER_PREFIX)) != 0)) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "expecting id of the form '"CHANGELOG_USER_PREFIX
- "<num>'; got '%s'\n", idstr);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "expecting id of the form '"
+ CHANGELOG_USER_PREFIX
+ "<num>'; got '%s'\n", idstr);
return -EINVAL;
}
sscanf(fidstr, SFID, RFID(&fid));
if (!fid_is_sane(&fid)) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "bad FID format [%s], should be "DFID"\n",
- fidstr, (__u64)1, 2, 0);
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "bad FID format [%s], should be "DFID"\n",
+ fidstr, (__u64)1, 2, 0);
return -EINVAL;
}
rc = root_ioctl(device, OBD_IOC_FID2PATH, gf, NULL, 0);
if (rc) {
if (rc != -ENOENT)
- llapi_err(LLAPI_MSG_ERROR, "ioctl err %d", rc);
+ llapi_error(LLAPI_MSG_ERROR, rc, "ioctl err %d", rc);
} else {
- memcpy(buf, gf->gf_path, gf->gf_pathlen);
- *recno = gf->gf_recno;
- *linkno = gf->gf_linkno;
+ memcpy(buf, gf->gf_path, gf->gf_pathlen);
+ if (buf[0] == '\0') { /* ROOT path */
+ buf[0] = '/';
+ buf[1] = '\0';
+ }
+ *recno = gf->gf_recno;
+ *linkno = gf->gf_linkno;
}
free(gf);
return rc;
}
-static int path2fid_from_lma(const char *path, lustre_fid *fid)
+static int fid_from_lma(const char *path, const int fd, lustre_fid *fid)
{
- char buf[512];
- struct lustre_mdt_attrs *lma;
- int rc;
-
- rc = lgetxattr(path, XATTR_NAME_LMA, buf, sizeof(buf));
- if (rc < 0)
- return -errno;
- lma = (struct lustre_mdt_attrs *)buf;
- fid_le_to_cpu(fid, &lma->lma_self_fid);
- return 0;
+ char buf[512];
+ struct lustre_mdt_attrs *lma;
+ int rc;
+
+ if (path == NULL)
+ rc = fgetxattr(fd, XATTR_NAME_LMA, buf, sizeof(buf));
+ else
+ rc = lgetxattr(path, XATTR_NAME_LMA, buf, sizeof(buf));
+ if (rc < 0)
+ return -errno;
+ lma = (struct lustre_mdt_attrs *)buf;
+ fid_le_to_cpu(fid, &lma->lma_self_fid);
+ return 0;
}
-int llapi_path2fid(const char *path, lustre_fid *fid)
+int llapi_get_mdt_index_by_fid(int fd, const lustre_fid *fid,
+ int *mdt_index)
{
- int fd, rc;
+ int rc;
- memset(fid, 0, sizeof(*fid));
- fd = open(path, O_RDONLY | O_NONBLOCK | O_NOFOLLOW);
- if (fd < 0) {
- if (errno == ELOOP) /* symbolic link */
- return path2fid_from_lma(path, fid);
- return -errno;
- }
+ rc = ioctl(fd, LL_IOC_FID2MDTIDX, fid);
+ if (rc < 0)
+ return -errno;
- rc = ioctl(fd, LL_IOC_PATH2FID, fid) < 0 ? -errno : 0;
- if (rc == -EINVAL) /* char special device */
- rc = path2fid_from_lma(path, fid);
+ *mdt_index = rc;
- close(fd);
- return rc;
+ return rc;
}
-/****** HSM Copytool API ********/
-#define CT_PRIV_MAGIC 0xC0BE2001
-struct copytool_private {
- int magic;
- char *fsname;
- lustre_kernelcomm kuc;
- __u32 archives;
-};
-
-#include <libcfs/libcfs.h>
-
-/** Register a copytool
- * @param[out] priv Opaque private control structure
- * @param fsname Lustre filesystem
- * @param flags Open flags, currently unused (e.g. O_NONBLOCK)
- * @param archive_count
- * @param archives Which archive numbers this copytool is responsible for
- */
-int llapi_copytool_start(void **priv, char *fsname, int flags,
- int archive_count, int *archives)
+int llapi_fd2fid(const int fd, lustre_fid *fid)
{
- struct copytool_private *ct;
- int rc;
-
- if (archive_count > 0 && archives == NULL) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "NULL archive numbers");
- return -EINVAL;
- }
-
- ct = calloc(1, sizeof(*ct));
- if (ct == NULL)
- return -ENOMEM;
-
- ct->fsname = malloc(strlen(fsname) + 1);
- if (ct->fsname == NULL) {
- rc = -ENOMEM;
- goto out_err;
- }
- strcpy(ct->fsname, fsname);
- ct->magic = CT_PRIV_MAGIC;
- ct->archives = 0;
- for (rc = 0; rc < archive_count; rc++) {
- if (archives[rc] > sizeof(ct->archives)) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "Maximum of %d archives supported",
- sizeof(ct->archives));
- goto out_err;
- }
- ct->archives |= 1 << archives[rc];
- }
- /* special case: if no archives specified, default to archive #0. */
- if (ct->archives == 0)
- ct->archives = 1;
+ int rc;
- rc = libcfs_ukuc_start(&ct->kuc, KUC_GRP_HSM);
- if (rc < 0)
- goto out_err;
-
- /* Storing archive(s) in lk_data; see mdc_ioc_hsm_ct_start */
- ct->kuc.lk_data = ct->archives;
- rc = root_ioctl(ct->fsname, LL_IOC_HSM_CT_START, &(ct->kuc), NULL,
- WANT_ERROR);
- /* Only the kernel reference keeps the write side open */
- close(ct->kuc.lk_wfd);
- ct->kuc.lk_wfd = 0;
- if (rc < 0)
- goto out_err;
+ memset(fid, 0, sizeof(*fid));
- *priv = ct;
- return 0;
+ rc = ioctl(fd, LL_IOC_PATH2FID, fid) < 0 ? -errno : 0;
+ if (rc == -EINVAL || rc == -ENOTTY)
+ rc = fid_from_lma(NULL, fd, fid);
-out_err:
- if (ct->fsname)
- free(ct->fsname);
- free(ct);
- return rc;
+ return rc;
}
-/** Deregister a copytool */
-int llapi_copytool_fini(void **priv)
+int llapi_path2fid(const char *path, lustre_fid *fid)
{
- struct copytool_private *ct = (struct copytool_private *)*priv;
-
- if (!ct || (ct->magic != CT_PRIV_MAGIC))
- return -EINVAL;
-
- /* Tell the kernel to stop sending us messages */
- ct->kuc.lk_flags = LK_FLG_STOP;
- root_ioctl(ct->fsname, LL_IOC_HSM_CT_START, &(ct->kuc), NULL, 0);
-
- /* Shut down the kernelcomms */
- libcfs_ukuc_stop(&ct->kuc);
-
- free(ct->fsname);
- free(ct);
- *priv = NULL;
- return 0;
+ int fd, rc;
+
+ memset(fid, 0, sizeof(*fid));
+ fd = open(path, O_RDONLY | O_NONBLOCK | O_NOFOLLOW);
+ if (fd < 0) {
+ if (errno == ELOOP || errno == ENXIO)
+ return fid_from_lma(path, -1, fid);
+ return -errno;
+ }
+
+ rc = llapi_fd2fid(fd, fid);
+ if (rc == -EINVAL || rc == -ENOTTY)
+ rc = fid_from_lma(path, -1, fid);
+
+ close(fd);
+ return rc;
}
-/** Wait for the next hsm_action_list
- * @param priv Opaque private control structure
- * @param halh Action list handle, will be allocated here
- * @param msgsize Number of bytes in the message, will be set here
- * @return 0 valid message received; halh and msgsize are set
- * <0 error code
- */
-int llapi_copytool_recv(void *priv, struct hsm_action_list **halh, int *msgsize)
+int llapi_fd2parent(int fd, unsigned int linkno, lustre_fid *parent_fid,
+ char *name, size_t name_size)
{
- struct copytool_private *ct = (struct copytool_private *)priv;
- struct kuc_hdr *kuch;
- struct hsm_action_list *hal;
- int rc = 0;
-
- if (!ct || (ct->magic != CT_PRIV_MAGIC))
- return -EINVAL;
- if (halh == NULL || msgsize == NULL)
- return -EINVAL;
-
- kuch = malloc(HAL_MAXSIZE + sizeof(*kuch));
- if (kuch == NULL)
- return -ENOMEM;
+ struct getparent *gp;
+ int rc;
- rc = libcfs_ukuc_msg_get(&ct->kuc, (char *)kuch,
- HAL_MAXSIZE + sizeof(*kuch),
- KUC_TRANSPORT_HSM);
- if (rc < 0)
- goto out_free;
-
- /* Handle generic messages */
- if (kuch->kuc_transport == KUC_TRANSPORT_GENERIC &&
- kuch->kuc_msgtype == KUC_MSG_SHUTDOWN) {
- rc = -ESHUTDOWN;
- goto out_free;
- }
+ gp = malloc(sizeof(*gp) + name_size);
+ if (gp == NULL)
+ return -ENOMEM;
- if (kuch->kuc_transport != KUC_TRANSPORT_HSM ||
- kuch->kuc_msgtype != HMT_ACTION_LIST) {
- llapi_err(LLAPI_MSG_ERROR | LLAPI_MSG_NO_ERRNO,
- "Unknown HSM message type %d:%d\n",
- kuch->kuc_transport, kuch->kuc_msgtype);
- rc = -EPROTO;
- goto out_free;
- }
+ gp->gp_linkno = linkno;
+ gp->gp_name_size = name_size;
- /* Our message is a hsm_action_list. Use pointer math to skip
- * kuch_hdr and point directly to the message payload.
- */
- hal = (struct hsm_action_list *)(kuch + 1);
+ rc = ioctl(fd, LL_IOC_GETPARENT, gp);
+ if (rc < 0) {
+ rc = -errno;
+ goto err_free;
+ }
- /* Check that we have registered for this archive # */
- if (((1 << hal->hal_archive_num) & ct->archives) == 0) {
- llapi_err(LLAPI_MSG_INFO | LLAPI_MSG_NO_ERRNO,
- "Ignoring request for archive #%d (bitmask %#x)\n",
- hal->hal_archive_num, ct->archives);
- rc = 0;
- goto out_free;
- }
+ *parent_fid = gp->gp_fid;
- *halh = hal;
- *msgsize = kuch->kuc_msglen - sizeof(*kuch);
- return 0;
+ strncpy(name, gp->gp_name, name_size);
+ name[name_size - 1] = '\0';
-out_free:
- *halh = NULL;
- *msgsize = 0;
- free(kuch);
- return rc;
+err_free:
+ free(gp);
+ return rc;
}
-/** Release the action list when done with it. */
-int llapi_copytool_free(struct hsm_action_list **hal)
+int llapi_path2parent(const char *path, unsigned int linkno,
+ lustre_fid *parent_fid, char *name, size_t name_size)
{
- /* Reuse the llapi_changelog_free function */
- return llapi_changelog_free((struct changelog_rec **)hal);
+ int fd;
+ int rc;
+
+ fd = open(path, O_RDONLY | O_NONBLOCK | O_NOFOLLOW);
+ if (fd < 0)
+ return -errno;
+
+ rc = llapi_fd2parent(fd, linkno, parent_fid, name, name_size);
+ close(fd);
+ return rc;
}
int llapi_get_connect_flags(const char *mnt, __u64 *flags)
root = opendir(mnt);
if (!root) {
- llapi_err(LLAPI_MSG_ERROR, "open %s failed", mnt);
- return -1;
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "open %s failed", mnt);
+ return rc;
}
rc = ioctl(dirfd(root), LL_IOC_GET_CONNECT_FLAGS, flags);
+ if (rc < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "ioctl on %s for getting connect flags failed", mnt);
+ }
closedir(root);
- if (rc < 0)
- llapi_err(LLAPI_MSG_ERROR,
- "ioctl on %s for getting connect flags failed", mnt);
return rc;
}
rc = ioctl(fd, OBD_GET_VERSION, buffer);
if (rc == -1) {
- rc = errno;
+ rc = -errno;
close(fd);
- return -rc;
+ return rc;
}
close(fd);
*version = data->ioc_bulk;
return 0;
}
+
+/**
+ * Get a 64-bit value representing the version of file data pointed by fd.
+ *
+ * Each write or truncate, flushed on OST, will change this value. You can use
+ * this value to verify if file data was modified. This only checks the file
+ * data, not metadata.
+ *
+ * \param flags 0: no flush pages, usually used it the process has already
+ * taken locks;
+ * LL_DV_RD_FLUSH: OSTs will take LCK_PR to flush dirty pages
+ * from clients;
+ * LL_DV_WR_FLUSH: OSTs will take LCK_PW to flush all caching
+ * pages from clients.
+ *
+ * \retval 0 on success.
+ * \retval -errno on error.
+ */
+int llapi_get_data_version(int fd, __u64 *data_version, __u64 flags)
+{
+ int rc;
+ struct ioc_data_version idv;
+
+ idv.idv_flags = flags;
+
+ rc = ioctl(fd, LL_IOC_DATA_VERSION, &idv);
+ if (rc)
+ rc = -errno;
+ else
+ *data_version = idv.idv_version;
+
+ return rc;
+}
+
+/*
+ * Create a file without any name open it for read/write
+ *
+ * - file is created as if it were a standard file in the given \a directory
+ * - file does not appear in \a directory and mtime does not change because
+ * the filename is handled specially by the Lustre MDS.
+ * - file is removed at final close
+ * - file modes are rw------- since it doesn't make sense to have a read-only
+ * or write-only file that cannot be opened again.
+ * - if user wants another mode it must use fchmod() on the open file, no
+ * security problems arise because it cannot be opened by another process.
+ *
+ * \param[in] directory directory from which to inherit layout/MDT idx
+ * \param[in] idx MDT index on which the file is created,
+ * \a idx == -1 means no specific MDT is requested
+ * \param[in] open_flags standard open(2) flags
+ *
+ * \retval 0 on success.
+ * \retval -errno on error.
+ */
+int llapi_create_volatile_idx(char *directory, int idx, int open_flags)
+{
+ char file_path[PATH_MAX];
+ char filename[PATH_MAX];
+ int fd;
+ int rnumber;
+ int rc;
+
+ rnumber = random();
+ if (idx == -1)
+ snprintf(filename, sizeof(filename),
+ LUSTRE_VOLATILE_HDR"::%.4X", rnumber);
+ else
+ snprintf(filename, sizeof(filename),
+ LUSTRE_VOLATILE_HDR":%.4X:%.4X", idx, rnumber);
+
+ rc = snprintf(file_path, sizeof(file_path),
+ "%s/%s", directory, filename);
+ if (rc >= sizeof(file_path))
+ return -E2BIG;
+
+ fd = open(file_path, O_RDWR | O_CREAT | open_flags, S_IRUSR | S_IWUSR);
+ if (fd < 0) {
+ llapi_error(LLAPI_MSG_ERROR, errno,
+ "Cannot create volatile file '%s' in '%s'",
+ filename + LUSTRE_VOLATILE_HDR_LEN,
+ directory);
+ return -errno;
+ }
+ /* unlink file in case this wasn't a Lustre filesystem, and the
+ * magic volatile filename wasn't handled as intended. The effect
+ * is the same. */
+ unlink(file_path);
+
+ return fd;
+}
+
+/**
+ * Swap the layouts between 2 file descriptors
+ * the 2 files must be open in write
+ * first fd received the ioctl, second fd is passed as arg
+ * this is assymetric but avoid use of root path for ioctl
+ */
+int llapi_fswap_layouts(int fd1, int fd2, __u64 dv1, __u64 dv2, __u64 flags)
+{
+ struct lustre_swap_layouts lsl;
+ int rc;
+
+ lsl.sl_fd = fd2;
+ lsl.sl_flags = flags;
+
+ do
+ lsl.sl_gid = random();
+ while (lsl.sl_gid == 0);
+
+ lsl.sl_dv1 = dv1;
+ lsl.sl_dv2 = dv2;
+ rc = ioctl(fd1, LL_IOC_LOV_SWAP_LAYOUTS, &lsl);
+ if (rc)
+ rc = -errno;
+ return rc;
+}
+
+/**
+ * Swap the layouts between 2 files
+ * the 2 files are open in write
+ */
+int llapi_swap_layouts(const char *path1, const char *path2,
+ __u64 dv1, __u64 dv2, __u64 flags)
+{
+ int fd1, fd2, rc;
+
+ fd1 = open(path1, O_WRONLY | O_LOV_DELAY_CREATE);
+ if (fd1 < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: cannot open '%s' for write", path1);
+ goto out;
+ }
+
+ fd2 = open(path2, O_WRONLY | O_LOV_DELAY_CREATE);
+ if (fd2 < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: cannot open '%s' for write", path2);
+ goto out_close;
+ }
+
+ rc = llapi_fswap_layouts(fd1, fd2, dv1, dv2, flags);
+ if (rc < 0)
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: cannot swap layout between '%s' and '%s'",
+ path1, path2);
+
+ close(fd2);
+out_close:
+ close(fd1);
+out:
+ return rc;
+}
+
+/**
+ * Attempt to open a file with Lustre file identifier \a fid
+ * and return an open file descriptor.
+ *
+ * \param[in] lustre_dir path within Lustre filesystem containing \a fid
+ * \param[in] fid Lustre file identifier of file to open
+ * \param[in] flags open() flags
+ *
+ * \retval non-negative file descriptor on successful open
+ * \retval -1 if an error occurred
+ */
+int llapi_open_by_fid(const char *lustre_dir, const lustre_fid *fid, int flags)
+{
+ char mntdir[PATH_MAX];
+ char path[PATH_MAX];
+ int rc;
+
+ rc = llapi_search_mounts(lustre_dir, 0, mntdir, NULL);
+ if (rc != 0)
+ return -1;
+
+ snprintf(path, sizeof(path), "%s/.lustre/fid/"DFID, mntdir, PFID(fid));
+ return open(path, flags);
+}
+
+/**
+ * Take group lock.
+ *
+ * \param fd File to lock.
+ * \param gid Group Identifier.
+ *
+ * \retval 0 on success.
+ * \retval -errno on failure.
+ */
+int llapi_group_lock(int fd, int gid)
+{
+ int rc;
+
+ rc = ioctl(fd, LL_IOC_GROUP_LOCK, gid);
+ if (rc < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "cannot get group lock");
+ }
+ return rc;
+}
+
+/**
+ * Put group lock.
+ *
+ * \param fd File to unlock.
+ * \param gid Group Identifier.
+ *
+ * \retval 0 on success.
+ * \retval -errno on failure.
+ */
+int llapi_group_unlock(int fd, int gid)
+{
+ int rc;
+
+ rc = ioctl(fd, LL_IOC_GROUP_UNLOCK, gid);
+ if (rc < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "cannot put group lock");
+ }
+ return rc;
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff