-/* -*- 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, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#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
-};
+#include <lustre/lustreapi.h>
+#include <lustre_ioctl.h>
+#include "lustreapi_internal.h"
-#if defined(DT_DOOR) && defined(S_IFDOOR)
-static const int DT_MAX = DT_DOOR;
-#else
-static const int DT_MAX = DT_SOCK;
-#endif
-
-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;
}
-/* llapi_error will preserve errno */
-void llapi_error(int level, int _rc, char *fmt, ...)
+static void error_callback_default(enum llapi_message_level level, int err,
+ const char *fmt, va_list ap)
{
- va_list args;
- int tmp_errno = errno;
- /* to protect using errno as _rc argument */
- int rc = abs(_rc);
+ 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(rc), rc);
- 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;
}
/* llapi_printf will preserve errno */
-void llapi_printf(int level, char *fmt, ...)
+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)
{
- va_list args;
- int tmp_errno = errno;
+ llapi_log_callback_t old = llapi_error_callback;
- if ((level & LLAPI_MSG_MASK) > llapi_msg_level)
- return;
+ if (cb != NULL)
+ llapi_error_callback = cb;
+ else
+ llapi_error_callback = error_callback_default;
- va_start(args, fmt);
- vfprintf(stdout, fmt, args);
- va_end(args);
- errno = tmp_errno;
+ return old;
+}
+
+/**
+ * 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)
+{
+ llapi_log_callback_t old = llapi_info_callback;
+
+ if (cb != NULL)
+ llapi_info_callback = cb;
+ else
+ llapi_info_callback = info_callback_default;
+
+ return old;
}
/**
* 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;
/* 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 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 (stripe_size < 0 || (stripe_size & (LOV_MIN_STRIPE_SIZE - 1))) {
- rc = -EINVAL;
- llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe_size %lu, "
- "must be an even multiple of %d bytes",
- stripe_size, page_size);
- return rc;
- }
- if (stripe_offset < -1 || stripe_offset > MAX_OBD_DEVICES) {
- rc = -EINVAL;
- llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe offset %d",
- stripe_offset);
- return rc;
- }
- if (stripe_count < -1 || stripe_count > LOV_MAX_STRIPE_COUNT) {
- rc = -EINVAL;
- llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe count %d",
- stripe_count);
- return rc;
- }
- if (stripe_size >= (1ULL << 32)){
- rc = -EINVAL;
- llapi_error(LLAPI_MSG_ERROR, rc,
- "warning: stripe size larger than 4G "
- "is not currently supported and would wrap");
- return rc;
- }
- return 0;
+ 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 ((stripe_size & (LOV_MIN_STRIPE_SIZE - 1))) {
+ 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 (stripe_offset < -1) {
+ rc = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe offset %d",
+ stripe_offset);
+ return rc;
+ }
+ if (stripe_count < -1 || stripe_count > LOV_MAX_STRIPE_COUNT) {
+ rc = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe count %d",
+ stripe_count);
+ return rc;
+ }
+ if (stripe_size >= (1ULL << 32)) {
+ 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 */
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
*
* Return 0 for success, with a NUL-terminated string in \param result.
* Return -ve value for error.
*/
-static int get_param(const char *param_path, char *result,
+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];
snprintf(pattern, PATH_MAX, "/proc/{fs,sys}/{lnet,lustre}/%s",
param_path);
rc = first_match(pattern, file);
- if (rc)
+ if (rc != 0 || result == NULL)
return rc;
fp = fopen(file, "r");
llapi_error(LLAPI_MSG_ERROR, rc,
"'%s' is not on a Lustre filesystem",
file_path);
+ if (fp != NULL)
+ fclose(fp);
return rc;
}
} else if (fsname) {
- strcpy(fs, fsname);
+ if (strlen(fsname) > sizeof(fs)-1) {
+ if (fp != NULL)
+ fclose(fp);
+ return -E2BIG;
+ }
+ strncpy(fs, fsname, sizeof(fs));
}
if (fp == NULL) {
tmp += strlen(obd_type) + 1;
if (strcmp(tmp, fs))
continue;
- strcpy(dev, tmp);
+ if (strlen(tmp) > sizeof(dev)-1) {
+ fclose(fp);
+ return -E2BIG;
+ }
+ strncpy(dev, tmp, sizeof(dev));
tmp = strchr(dev, ' ');
- *tmp = '\0';
+ if (tmp != NULL)
+ *tmp = '\0';
break;
}
}
return get_param(devices, value, val_len);
}
-static int get_mds_md_size(char *path)
+/*
+ * 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)
{
- int lumlen = lov_mds_md_size(LOV_MAX_STRIPE_COUNT, LOV_MAGIC_V3);
- char buf[16];
+ 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);
- /* Now get the maxea from llite proc */
- if (!get_param_obdvar(NULL, path, "llite", "max_easize",
- buf, sizeof(buf)))
- lumlen = atoi(buf);
- return lumlen;
+ 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 (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;
}
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)
+ unsigned long long stripe_size, int stripe_offset,
+ int stripe_count, int stripe_pattern, char *pool_name)
{
- struct lov_user_md_v3 lum = { 0 };
- int fd, rc = 0;
- int isdir = 0;
+ struct lov_user_md_v3 lum = { 0 };
+ int fd, rc = 0;
/* Make sure we have a good pool */
if (pool_name != NULL) {
}
}
- fd = open(name, flags | O_LOV_DELAY_CREATE, mode);
- if (fd < 0 && errno == EISDIR) {
- fd = open(name, O_DIRECTORY | O_RDONLY);
- isdir++;
- }
+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;
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, strlen(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 flags, 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);
+ 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];
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 */
return rc;
}
+int llapi_search_rootpath(char *pathname, const char *fsname)
+{
+ return get_root_path(WANT_PATH, (char *)fsname, NULL, pathname, -1);
+}
+
int llapi_getname(const char *path, char *buf, size_t size)
{
struct obd_uuid uuid_buf;
" 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) {
rc = -errno;
llapi_error(LLAPI_MSG_ERROR, rc,
"Error reading pool list for '%s'", name);
- return rc;
+ goto out;
} else if ((rc == 0) && (cookie == NULL)) {
/* end of directory */
break;
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 */
return rc;
}
-typedef int (semantic_func_t)(char *path, DIR *parent, DIR *d,
- void *data, cfs_dirent_t *de);
+typedef int (semantic_func_t)(char *path, DIR *parent, DIR **d,
+ void *data, struct dirent64 *de);
#define OBD_NOT_FOUND (-1)
static int common_param_init(struct find_param *param, char *path)
{
- param->lumlen = get_mds_md_size(path);
- param->lmd = malloc(sizeof(lstat_t) + param->lumlen);
- if (param->lmd == NULL) {
- llapi_error(LLAPI_MSG_ERROR, -ENOMEM,
- "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 lumlen = get_mds_md_size(path);
+
+ if (lumlen < PATH_MAX + 1)
+ lumlen = PATH_MAX + 1;
+
+ param->lumlen = lumlen;
+ param->lmd = malloc(sizeof(lstat_t) + param->lumlen);
+ if (param->lmd == NULL) {
+ llapi_error(LLAPI_MSG_ERROR, -ENOMEM,
+ "error: allocation of %zu bytes for ioctl",
+ sizeof(lstat_t) + param->lumlen);
+ return -ENOMEM;
+ }
+
+ param->fp_lmv_count = 256;
+ param->fp_lmv_md = malloc(lmv_user_md_size(256, 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(256, LMV_MAGIC_V1));
+ return -ENOMEM;
+ }
+
+ param->got_uuids = 0;
+ param->obdindexes = NULL;
+ param->obdindex = OBD_NOT_FOUND;
+ if (!param->migrate)
+ param->mdtindex = OBD_NOT_FOUND;
+ return 0;
}
static void find_param_fini(struct find_param *param)
{
- if (param->obdindexes)
- free(param->obdindexes);
+ if (param->obdindexes)
+ free(param->obdindexes);
+
+ if (param->lmd)
+ free(param->lmd);
- if (param->lmd)
- free(param->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 */
return parent;
}
+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_count;
+ if (param->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)
{
/* retrieve needed file info */
strncpy((char *)lmd, fname, lumlen);
ret = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO, (void *)lmd);
- } else {
- return ret;
}
if (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;
-}
-
-int llapi_mds_getfileinfo(char *path, DIR *parent,
- struct lov_user_mds_data *lmd)
-{
- int lumlen = get_mds_md_size(path);
-
- return get_lmd_info(path, parent, NULL, lmd, lumlen);
+ } 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);
} else if (!d && !parent) {
/* ENOTDIR. Open the parent dir. */
p = opendir_parent(path);
- if (!p)
- GOTO(out, ret = -errno);
+ 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 || (param->get_lmv && !param->recursive)) {
+ ret = 0;
+ goto out;
+ }
- while ((dent = readdir64(d)) != NULL) {
- ((struct find_param *)data)->have_fileinfo = 0;
+ while ((dent = readdir64(d)) != NULL) {
+ param->have_fileinfo = 0;
if (!strcmp(dent->d_name, ".") || !strcmp(dent->d_name, ".."))
continue;
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];
- }
+ lstat_t *st = ¶m->lmd->lmd_st;
+
+ ret = get_lmd_info(path, d, NULL, param->lmd,
+ param->lumlen);
+ if (ret == 0)
+ dent->d_type = IFTODT(st->st_mode);
+
if (ret == -ENOENT)
continue;
- }
-
+ }
switch (dent->d_type) {
case DT_UNKNOWN:
llapi_err_noerrno(LLAPI_MSG_ERROR,
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);
ret = common_param_init(param, buf);
if (ret)
goto out;
- param->depth = 0;
+
+ param->fp_depth = 0;
ret = llapi_semantic_traverse(buf, PATH_MAX + 1, NULL, sem_init,
sem_fini, param, NULL);
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
int num_obds, int **obdindexes, int *obdindex,
enum tgt_type type)
{
- int ret, obdcount, obd_valid = 0, obdnum, i;
+ int ret, obdcount, obd_valid = 0, obdnum;
+ long i;
struct obd_uuid *uuids = NULL;
char buf[16];
int *indexes;
- ret = get_param_obdvar(NULL, path, type == LOV_TYPE ? "lov" : "lmv",
- "numobd", buf, sizeof(buf));
- if (ret)
- return ret;
+ 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 *
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;
}
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 == FID_SEQ_LOV_DEFAULT) {
- lum->lmm_object_seq = FID_SEQ_OST_MDT0;
- 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)
&scount, NULL,
NULL);
if (rc == 0)
- llapi_printf(LLAPI_MSG_NORMAL, "%d%c",
- scount, nl);
+ llapi_printf(LLAPI_MSG_NORMAL, "%d",
+ scount);
else
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);
rc = sattr_cache_get_defaults(NULL, path, NULL, &ssize,
NULL);
if (rc == 0)
- llapi_printf(LLAPI_MSG_NORMAL, "%u%c", ssize,
- nl);
+ llapi_printf(LLAPI_MSG_NORMAL, "%u", ssize);
else
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);
}
+ seperator = is_dir ? " " : "\n";
}
- if ((verbose & VERBOSE_DETAIL) && !is_dir) {
- llapi_printf(LLAPI_MSG_NORMAL, "lmm_stripe_pattern: %x%c",
- lum->lmm_pattern, nl);
- }
+ 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%c",
- (int)lum->u.lum_layout_gen, nl);
+ 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");
}
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) {
+ 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;
+ }
+
+ /* 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);
+ 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))
+ 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->get_lmv || param->get_default_lmv)
+ magic = (__u32)param->fp_lmv_md->lum_magic;
+ else
+ magic = *(__u32 *)¶m->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->obdindex, param->fp_max_depth,
param->verbose, param->raw);
break;
case LOV_USER_MAGIC_V3: {
objects = lmmv3->lmm_objects;
lov_dump_user_lmm_v1v3(¶m->lmd->lmd_lmm, pool_name,
objects, path, is_dir,
- param->obdindex, param->maxdepth,
+ param->obdindex, param->fp_max_depth,
param->verbose, param->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;
+ strncpy(pool_name, lum->lum_pool_name, LOV_MAXPOOLNAME);
+ lmv_dump_user_lmm(lum, pool_name, path,
+ param->obdindex, param->fp_max_depth,
+ param->verbose);
+ break;
+ }
+ default:
+ llapi_printf(LLAPI_MSG_NORMAL, "unknown lmm_magic: %#x "
+ "(expecting one of %#x %#x %#x %#x)\n",
+ *(__u32 *)¶m->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)
* updated timestamps. */
static int find_time_check(lstat_t *st, struct find_param *param, int mds)
{
- int ret;
- int rc = 1;
-
- /* 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;
- }
-
- 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;
-
- /* 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;
- }
-
- 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 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;
- }
-
- return rc;
+ 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;
}
/**
return 0;
/* FIXME: For striped dir, we should get stripe information and check */
- for (i = 0; i < param->num_mdts; i++) {
- if (param->mdtindexes[i] == param->file_mdtindex)
- if (param->exclude_mdt)
- return 0;
- return 1;
- }
+ for (i = 0; i < param->num_mdts; i++) {
+ if (param->mdtindexes[i] == param->file_mdtindex)
+ return !param->exclude_mdt;
+ }
if (param->exclude_mdt)
return 1;
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;
int lustre_fs = 1;
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;
- }
- }
+ /* 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->obduuid || param->mdtuuid || param->check_uid ||
- param->check_gid || param->check_pool || param->atime ||
- param->ctime || param->mtime || param->check_size ||
- param->check_stripecount || param->check_stripesize)
- decision = 0;
-
- if (param->type && checked_type == 0)
+ if (param->obduuid || param->mdtuuid ||
+ param->fp_check_uid || param->fp_check_gid ||
+ param->fp_atime || param->fp_mtime || param->fp_ctime ||
+ param->check_pool || param->check_size ||
+ param->check_stripecount || param->check_stripesize ||
+ param->check_layout)
+ decision = 0;
+
+ if (param->fp_type != 0 && checked_type == 0)
decision = 0;
if (param->have_fileinfo == 0 && decision == 0) {
}
}
- 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;
- }
- }
+ 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;
+ }
+ }
/* Prepare odb. */
if (param->obduuid || param->mdtuuid) {
if (lustre_fs && param->got_uuids &&
- param->st_dev != st->st_dev) {
+ param->fp_dev != st->st_dev) {
/* A lustre/lustre mount point is crossed. */
param->got_uuids = 0;
param->obds_printed = 0;
if (ret)
return ret;
- param->st_dev = st->st_dev;
+ param->fp_dev = st->st_dev;
} else if (!lustre_fs && param->got_uuids) {
/* A lustre/non-lustre mount point is crossed. */
param->got_uuids = 0;
goto decided;
}
+ if (param->check_layout) {
+ __u32 found;
+
+ found = (param->lmd->lmd_lmm.lmm_pattern & param->layout);
+ if ((param->lmd->lmd_lmm.lmm_pattern == 0xFFFFFFFF) ||
+ (found && param->exclude_layout) ||
+ (!found && !param->exclude_layout)) {
+ decision = -1;
+ goto decided;
+ }
+ }
+
/* If an OBD UUID is specified but none matches, skip this file. */
if ((param->obduuid && param->obdindex == OBD_NOT_FOUND) ||
(param->mdtuuid && param->mdtindex == OBD_NOT_FOUND))
}
}
obd_matches:
- 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->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->check_gid) {
- if (st->st_gid == param->gid) {
- if (param->exclude_gid)
- goto decided;
- } else {
- if (!param->exclude_gid)
- 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->check_pool) {
struct lov_user_md_v3 *lmmv3 = (void *)¶m->lmd->lmd_lmm;
}
}
- /* Check the time on mds. */
- decision = 1;
- if (param->atime || param->ctime || param->mtime) {
+ /* 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) &&
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\n", 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->mdtindex;
+ data.ioc_inllen2 = sizeof(param->mdtindex);
+ 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->verbose & VERBOSE_DETAIL) {
+ fprintf(stdout, "migrate %s to MDT%d\n", path, param->mdtindex);
+ }
+
+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)
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;
return ret;
}
+ /* 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->quiet || !(param->verbose & VERBOSE_DETAIL))
+ /* coverity[uninit_use_in_call] */
llapi_printf(LLAPI_MSG_NORMAL, "%d\n", mdtidx);
else
+ /* 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);
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->get_lmv || param->get_default_lmv) {
+ ret = cb_get_dirstripe(path, d, param);
+ } else {
+ ret = ioctl(dirfd(d), LL_IOC_LOV_GETSTRIPE,
+ (void *)¶m->lmd->lmd_lmm);
+ }
- strncpy((char *)¶m->lmd->lmd_lmm, fname, param->lumlen);
+ } else if (parent) {
+ char *fname = strrchr(path, '/');
+ fname = (fname == NULL ? path : fname + 1);
- ret = ioctl(dirfd(parent), IOC_MDC_GETFILESTRIPE,
- (void *)¶m->lmd->lmd_lmm);
- }
+ if (param->get_lmv) {
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%s get dirstripe information for file\n",
+ path);
+ goto out;
+ }
+
+ strncpy((char *)¶m->lmd->lmd_lmm, fname, param->lumlen);
+
+ ret = ioctl(dirfd(parent), IOC_MDC_GETFILESTRIPE,
+ (void *)¶m->lmd->lmd_lmm);
+ }
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 = FID_SEQ_LOV_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->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->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->lmd->lmd_lmm;
+ lmm->lmm_magic = LOV_USER_MAGIC_V1;
+ if (!param->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->obduuid && !param->mdtuuid)
llapi_printf(LLAPI_MSG_NORMAL,
"%s has no stripe info\n", path);
goto out;
__func__, path);
} else {
ret = -errno;
- llapi_error(LLAPI_MSG_ERROR, ret,
- "error: %s: %s failed for %s",
- __func__, d ? "LL_IOC_LOV_GETSTRIPE" :
- "IOC_MDC_GETFILESTRIPE", path);
- }
+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;
}
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)
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);
- return rc;
- }
- rc = ioctl(fd, IOC_OBD_STATFS, (void *)rawbuf);
- if (rc)
- rc = errno ? -errno : -EINVAL;
-
- close(fd);
- return rc;
+ 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
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;
#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_error(LLAPI_MSG_ERROR, rc, "open %s failed", dir);
- return rc;
- }
-
- rc = ioctl(dirfd(root), OBD_IOC_LLOG_CATINFO, buf);
- if (rc) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc,
- "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)
{
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;
}
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);
return rc;
}
- rc = ioctl(dirfd(root), LL_IOC_QUOTACTL, qctl);
+ rc = ioctl(dirfd(root), OBD_IOC_QUOTACTL, qctl);
if (rc < 0)
rc = -errno;
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;
{
FILE *fp;
struct mntent *mnt;
- int found = 0, fd, rc;
+ int found = 0, fd = 0, rc = 0;
fp = setmntent(MOUNTED, "r");
if (fp == NULL) {
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);
rc = -errno;
llapi_error(LLAPI_MSG_ERROR, rc,
"Can't open '%s'\n", mnt->mnt_dir);
- return rc;
+ goto out;
}
rc = ioctl(fd, LL_IOC_RMTACL, ops);
+ close(fd);
if (rc < 0) {
rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "ioctl %d\n", fd);
- return rc;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "ioctl RMTACL on '%s' err %d\n",
+ 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)
* \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. */
startrec, flags);
/* Only the kernel reference keeps the write side open */
close(cp->kuc.lk_wfd);
- cp->kuc.lk_wfd = 0;
+ cp->kuc.lk_wfd = LK_NOFD;
if (rc < 0) {
/* frees and clears priv */
llapi_changelog_fini(priv);
return 0;
}
+/** Convert a changelog_rec to changelog_ext_rec, in this way client can treat
+ * all records in the format of changelog_ext_rec, this can make record
+ * analysis simpler.
+ */
+static inline int changelog_extend_rec(struct changelog_ext_rec *ext)
+{
+ if (!CHANGELOG_REC_EXTENDED(ext)) {
+ struct changelog_rec *rec = (struct changelog_rec *)ext;
+
+ memmove(ext->cr_name, rec->cr_name, rec->cr_namelen);
+ fid_zero(&ext->cr_sfid);
+ fid_zero(&ext->cr_spfid);
+ return 1;
+ }
+
+ return 0;
+}
+
/** 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
*/
-int llapi_changelog_recv(void *priv, struct changelog_rec **rech)
+int llapi_changelog_recv(void *priv, struct changelog_ext_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;
+ 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;
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) &&
}
}
- /* 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_ext_rec. Use pointer math to skip
+ * kuch_hdr and point directly to the message payload.
+ */
+ *rech = (struct changelog_ext_rec *)(kuch + 1);
+ changelog_extend_rec(*rech);
return 0;
}
/** Release the changelog record when done with it. */
-int llapi_changelog_free(struct changelog_rec **rech)
+int llapi_changelog_free(struct changelog_ext_rec **rech)
{
if (*rech) {
/* We allocated memory starting at the kuc_hdr, but passed
int llapi_changelog_clear(const char *mdtname, const char *idstr,
long long endrec)
{
- int id;
+ long id;
if (endrec < 0) {
llapi_err_noerrno(LLAPI_MSG_ERROR,
if (rc != -ENOENT)
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)
-{
- 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;
-}
-
-int llapi_path2fid(const char *path, lustre_fid *fid)
-{
- int fd, 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_PATH2FID, fid) < 0 ? -errno : 0;
- if (rc == -EINVAL) /* char special device */
- rc = path2fid_from_lma(path, fid);
-
- close(fd);
- 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)
+static int fid_from_lma(const char *path, const int fd, lustre_fid *fid)
{
- struct copytool_private *ct;
- int rc;
-
- if (archive_count > 0 && archives == NULL) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "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_noerrno(LLAPI_MSG_ERROR,
- "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;
-
- 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;
-
- *priv = ct;
- return 0;
-
-out_err:
- if (ct->fsname)
- free(ct->fsname);
- free(ct);
- return rc;
-}
-
-/** Deregister a copytool */
-int llapi_copytool_fini(void **priv)
-{
- 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;
+ 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;
}
-/** 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_fd2fid(const int fd, lustre_fid *fid)
{
- struct copytool_private *ct = (struct copytool_private *)priv;
- struct kuc_hdr *kuch;
- struct hsm_action_list *hal;
- int rc = 0;
+ int rc;
- 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;
+ memset(fid, 0, sizeof(*fid));
- rc = libcfs_ukuc_msg_get(&ct->kuc, (char *)kuch,
- HAL_MAXSIZE + sizeof(*kuch),
- KUC_TRANSPORT_HSM);
- if (rc < 0)
- goto out_free;
+ rc = ioctl(fd, LL_IOC_PATH2FID, fid) < 0 ? -errno : 0;
+ if (rc == -EINVAL || rc == -ENOTTY)
+ rc = fid_from_lma(NULL, fd, fid);
- /* Handle generic messages */
- if (kuch->kuc_transport == KUC_TRANSPORT_GENERIC &&
- kuch->kuc_msgtype == KUC_MSG_SHUTDOWN) {
- rc = -ESHUTDOWN;
- goto out_free;
- }
-
- if (kuch->kuc_transport != KUC_TRANSPORT_HSM ||
- kuch->kuc_msgtype != HMT_ACTION_LIST) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "Unknown HSM message type %d:%d\n",
- kuch->kuc_transport, kuch->kuc_msgtype);
- rc = -EPROTO;
- goto out_free;
- }
-
- /* 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);
-
- /* Check that we have registered for this archive # */
- if (((1 << hal->hal_archive_num) & ct->archives) == 0) {
- llapi_err_noerrno(LLAPI_MSG_INFO,
- "Ignoring request for archive #%d (bitmask %#x)\n",
- hal->hal_archive_num, ct->archives);
- rc = 0;
- goto out_free;
- }
-
- *halh = hal;
- *msgsize = kuch->kuc_msglen - sizeof(*kuch);
- return 0;
-
-out_free:
- *halh = NULL;
- *msgsize = 0;
- free(kuch);
- return rc;
+ return rc;
}
-/** Release the action list when done with it. */
-int llapi_copytool_free(struct hsm_action_list **hal)
+int llapi_path2fid(const char *path, lustre_fid *fid)
{
- /* Reuse the llapi_changelog_free function */
- return llapi_changelog_free((struct changelog_rec **)hal);
+ 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;
}
int llapi_get_connect_flags(const char *mnt, __u64 *flags)
* this value to verify if file data was modified. This only checks the file
* data, not metadata.
*
- * \param flags If set to LL_DV_NOFLUSH, the data version will be read
- * directly from OST without regard to possible dirty cache on
- * client nodes.
+ * \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.
return rc;
}
+
+/*
+ * Create a volatile file and open it for write:
+ * - file is created as a standard file in the directory
+ * - file does not appears in directory and directory mtime does not change
+ * - file is removed at close
+ * - file modes are rw-------, if user wants another one it must use fchmod()
+ * \param directory Directory where the file is created
+ * \param idx MDT index on which the file is created
+ * \param open_flags Standard open 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 random;
+ int rc;
+
+ fd = open("/dev/urandom", O_RDONLY);
+ if (fd < 0) {
+ llapi_error(LLAPI_MSG_ERROR, errno,
+ "Cannot open /dev/urandom\n");
+ return -errno;
+ }
+ rc = read(fd, &random, sizeof(random));
+ close(fd);
+ if (rc < sizeof(random)) {
+ llapi_error(LLAPI_MSG_ERROR, errno,
+ "cannot read %zu bytes from /dev/urandom",
+ sizeof(random));
+ return -errno;
+ }
+ if (idx == -1)
+ snprintf(filename, sizeof(filename),
+ LUSTRE_VOLATILE_HDR"::%.4X", random);
+ else
+ snprintf(filename, sizeof(filename),
+ LUSTRE_VOLATILE_HDR":%.4X:%.4X", idx, random);
+
+ 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\n",
+ filename + LUSTRE_VOLATILE_HDR_LEN,
+ directory);
+ return -errno;
+ }
+ 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;
+
+ srandom(time(NULL));
+ lsl.sl_fd = fd2;
+ lsl.sl_flags = flags;
+ lsl.sl_gid = random();
+ 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'\n",
+ path1, path2);
+
+ close(fd2);
+out_close:
+ close(fd1);
+out:
+ return rc;
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff