-/* -*- 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 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
#include <liblustre.h>
#include <lnet/lnetctl.h>
#include <obd.h>
-#include <lustre_lib.h>
#include <obd_lov.h>
-#include <lustre/liblustreapi.h>
+#include <lustre/lustreapi.h>
+#include "lustreapi_internal.h"
static unsigned llapi_dir_filetype_table[] = {
[DT_UNKNOWN]= 0,
/**
* 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_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) {
+ *(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) {
+ *(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) {
+ *(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) {
+ *(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) {
+ *(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) {
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 60))) == 0) {
*size_units = 1ULL << 60;
} else {
return -1;
/* 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;
+ 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 4G or larger "
+ "is not currently supported and would wrap");
+ return rc;
+ }
+ return 0;
+}
- /* 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 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;
}
return 0;
}
+/**
+ * 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.
+ */
+static 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)
+ 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 + 1], dev[PATH_MAX + 1] = "*", fs[PATH_MAX + 1];
+ FILE *fp = fopen(DEVICES_LIST, "r");
+ int rc = 0;
+
+ if (!fsname && file_path) {
+ rc = llapi_search_fsname(file_path, fs);
+ if (rc) {
+ 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 (fp == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: opening "DEVICES_LIST);
+ return rc;
+ }
+
+ while (fgets(devices, sizeof(devices), fp) != NULL) {
+ char *bufp = devices, *tmp;
+
+ while (bufp[0] == ' ')
+ ++bufp;
+
+ tmp = strstr(bufp, obd_type);
+ if (tmp) {
+ tmp += strlen(obd_type) + 1;
+ if (strcmp(tmp, fs))
+ continue;
+ strcpy(dev, tmp);
+ tmp = strchr(dev, ' ');
+ *tmp = '\0';
+ break;
+ }
+ }
+
+ if (dev[0] == '*' && strlen(fs))
+ snprintf(dev, PATH_MAX, "%s-*", fs);
+ snprintf(devices, PATH_MAX, "%s/%s/%s", obd_type, dev, param_name);
+ fclose(fp);
+ return get_param(devices, value, val_len);
+}
+
+/*
+ * 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;
+}
+
/*
* if pool is NULL, search ostname in target_obd
* if pool is not NULL:
return 0;
}
+/**
+ * In DNE phase I, only stripe_offset will be used in this function.
+ * stripe_count, stripe_pattern and pool_name will be supported later.
+ */
+int llapi_dir_create_pool(const char *name, int flags, int stripe_offset,
+ int stripe_count, int stripe_pattern, 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);
+ lmu.lum_type = LMV_STRIPE_TYPE;
+ 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;
}
-/* 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;
-}
-
/*
* find the pool directory path under /proc
* (can be also used to test if a fsname is known)
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 */
{
/* 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[0] != '/') {
+ fsname = strdup(name);
+ poolname = strchr(fsname, '.');
+ if (poolname)
+ *poolname = '\0';
+ } else {
+ path = (char *) name;
+ }
+
+ 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 ((name[0] == '/') || (strchr(name, '.') == NULL))
+ 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, cfs_dirent_t *de);
+ void *data, struct dirent64 *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);
- 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 %d 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;
+ 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)
+ struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
param->depth--;
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_count;
+ 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 */
+ strncpy((char *)lmd, fname, lumlen);
+ ret = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO, (void *)lmd);
+ } else {
+ return ret;
+ }
if (ret) {
if (errno == ENOTTY) {
llapi_error(LLAPI_MSG_ERROR, ret,
"error: %s: lstat failed for %s",
__func__, path);
- return ret;
}
} else if (errno == ENOENT) {
ret = -errno;
llapi_error(LLAPI_MSG_WARN, ret,
"warning: %s: %s does not exist",
__func__, path);
- return ret;
- } else {
+ } else if (errno != EISDIR) {
ret = -errno;
llapi_error(LLAPI_MSG_ERROR, ret,
- "error: %s: IOC_MDC_GETFILEINFO failed for %s",
- __func__, path);
- return ret;
- }
- }
-
- return 0;
+ "%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);
} 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 (!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;
+ lstat_t *st = ¶m->lmd->lmd_st;
- ret = llapi_mds_getfileinfo(path, d,
- ((struct find_param *)data)->lmd);
+ ret = get_lmd_info(path, d, NULL, param->lmd,
+ param->lumlen);
if (ret == 0) {
- ((struct find_param *)data)->have_fileinfo = 1;
- dent->d_type =
- llapi_filetype_dir_table[st->st_mode &
- S_IFMT];
- }
+ dent->d_type =
+ llapi_filetype_dir_table[st->st_mode &
+ S_IFMT];
+ }
if (ret == -ENOENT)
continue;
- }
-
+ }
switch (dent->d_type) {
case DT_UNKNOWN:
llapi_err_noerrno(LLAPI_MSG_ERROR,
if (!buf)
return -ENOMEM;
- ret = common_param_init(param);
+ strncpy(buf, path, PATH_MAX + 1);
+ ret = common_param_init(param, buf);
if (ret)
goto out;
param->depth = 0;
- strncpy(buf, path, PATH_MAX + 1);
ret = llapi_semantic_traverse(buf, PATH_MAX + 1, NULL, sem_init,
sem_fini, param, NULL);
out:
return rc;
}
+int llapi_file_fget_lmv_uuid(int fd, struct obd_uuid *lov_name)
+{
+ int rc = ioctl(fd, OBD_IOC_GETMDNAME, lov_name);
+ if (rc) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: can't get lmv name.");
+ }
+ return rc;
+}
+
int llapi_file_get_lov_uuid(const char *path, struct obd_uuid *lov_uuid)
{
int fd, rc;
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;
+ struct obd_uuid name;
char buf[1024];
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;
fclose(fp);
- if (uuidp && (index >= *ost_count))
- return -EOVERFLOW;
+ if (uuidp && (index > *ost_count))
+ rc = -EOVERFLOW;
*ost_count = index;
- return 0;
+ 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)
* returned in param->obdindex */
static int setup_obd_uuid(DIR *dir, char *dname, struct find_param *param)
{
- struct obd_uuid lov_uuid;
+ struct obd_uuid obd_uuid;
char uuid[sizeof(struct obd_uuid)];
char buf[1024];
FILE *fp;
if (param->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->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 (rc != -ENOTTY) {
llapi_error(LLAPI_MSG_ERROR, rc,
param->got_uuids = 1;
/* Now get the ost uuids from /proc */
- snprintf(buf, sizeof(buf), "/proc/fs/lustre/lov/%s/target_obd",
- lov_uuid.uuid);
+ snprintf(buf, sizeof(buf), "/proc/fs/lustre/%s/%s/target_obd",
+ param->get_lmv ? "lmv" : "lov", obd_uuid.uuid);
fp = fopen(buf, "r");
if (fp == NULL) {
rc = -errno;
}
if (!param->obduuid && !param->quiet && !param->obds_printed)
- llapi_printf(LLAPI_MSG_NORMAL, "OBDS:\n");
+ llapi_printf(LLAPI_MSG_NORMAL, "%s:\n",
+ param->get_lmv ? "MDTS" : "OBDS:");
while (fgets(buf, sizeof(buf), fp) != NULL) {
if (sscanf(buf, "%d: %s", &index, uuid) < 2)
/* In this case, param->obduuid 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)
+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, 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_error(LLAPI_MSG_ERROR, ret, "get ost uuid failed");
- return ret;
+ 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->mdtuuid) {
+ ret = setup_indexes(dir, path, param->mdtuuid, param->num_mdts,
+ ¶m->mdtindexes, ¶m->mdtindex, LMV_TYPE);
+ if (ret)
+ return ret;
+ }
+ if (param->obduuid) {
+ ret = setup_indexes(dir, path, param->obduuid, param->num_obds,
+ ¶m->obdindexes, ¶m->obdindex, LOV_TYPE);
+ if (ret)
+ return ret;
+ }
+ param->got_uuids = 1;
return ret;
}
char nl = is_dir ? ' ' : '\n';
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, "%u%c",
+ llapi_printf(LLAPI_MSG_NORMAL, "%d%c",
scount, nl);
else
llapi_error(LLAPI_MSG_ERROR, rc,
}
}
- 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) {
+ if (verbose & ~VERBOSE_LAYOUT)
+ llapi_printf(LLAPI_MSG_NORMAL, "%spattern: ",
+ prefix);
+ llapi_printf(LLAPI_MSG_NORMAL, "%.x%c", lum->lmm_pattern, nl);
+ }
+
+ if ((verbose & VERBOSE_GENERATION) && !is_dir) {
+ if (verbose & ~VERBOSE_GENERATION)
+ llapi_printf(LLAPI_MSG_NORMAL, "%slayout_gen: ",
+ prefix);
+ llapi_printf(LLAPI_MSG_NORMAL, "%u%c",
+ (int)lum->lmm_layout_gen, nl);
}
if (verbose & VERBOSE_OFFSET) {
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;
+
+ 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 (lum->lum_magic == LMV_USER_MAGIC)
+ verbose &= ~VERBOSE_OBJID;
+
+ if (depth && path && ((verbose != VERBOSE_OBJID)))
+ llapi_printf(LLAPI_MSG_NORMAL, "%s\n", path);
+
+ if (verbose & VERBOSE_COUNT) {
+ if (verbose & ~VERBOSE_COUNT)
+ llapi_printf(LLAPI_MSG_NORMAL, "lmv_stripe_count: ");
+ llapi_printf(LLAPI_MSG_NORMAL, "%u\n",
+ (int)lum->lum_stripe_count);
+ }
+
+ if (verbose & VERBOSE_OFFSET) {
+ if (verbose & ~VERBOSE_OFFSET)
+ llapi_printf(LLAPI_MSG_NORMAL, "lmv_stripe_offset: ");
+ llapi_printf(LLAPI_MSG_NORMAL, "%d\n",
+ (int)lum->lum_stripe_offset);
+ }
+
+ if (verbose & VERBOSE_OBJID) {
+ if ((obdstripe == 1))
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "\tmdtidx\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,
+ "\t%6u\t\t "DFID"\t\t%s\n",
+ idx, PFID(fid),
+ obdindex == idx ? " *" : "");
+ }
+
+ }
+
+ if ((verbose & VERBOSE_POOL) && (pool_name[0] != '\0')) {
+ if (verbose & ~VERBOSE_POOL)
+ llapi_printf(LLAPI_MSG_NORMAL, "%slmv_pool: ",
+ prefix);
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%c ", pool_name, ' ');
+ }
+ 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)
+ 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,
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->maxdepth,
+ 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)
/* Check if file is accepted. */
if (param->atime) {
ret = find_value_cmp(st->st_atime, param->atime,
- param->asign, param->exclude_atime,
+ param->asign, param->exclude_atime,
24 * 60 * 60, mds);
if (ret < 0)
return ret;
if (param->mtime) {
ret = find_value_cmp(st->st_mtime, param->mtime,
- param->msign, param->exclude_mtime,
+ param->msign, param->exclude_mtime,
24 * 60 * 60, mds);
if (ret < 0)
return ret;
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 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;
+}
+
+/**
+ * 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->lmd->lmd_st;
+ struct lov_user_ost_data_v1 *lmm_objects;
+ int i, j;
+
+ if (param->obduuid && param->obdindex == 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->lmd->lmd_lmm.lmm_stripe_count)
+ return 0;
+
+ 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;
+ } else if (param->lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V1) {
+ lmm_objects = param->lmd->lmd_lmm.lmm_objects;
+ } else {
+ llapi_err_noerrno(LLAPI_MSG_ERROR, "%s:Unknown magic: 0x%08X\n",
+ __func__, param->lmd->lmd_lmm.lmm_magic);
+ return -EINVAL;
+ }
+
+ 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)
+ return 0;
+ return 1;
+ }
+ }
+ }
+
+ if (param->exclude_obd)
+ return 1;
+ return 0;
+}
+
+static int check_mdt_match(struct find_param *param)
+{
+ int i;
+
+ if (param->mdtuuid && param->mdtindex == OBD_NOT_FOUND)
+ 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;
+ }
+
+ if (param->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);
- return rc;
+ memset(&stat_buf, 0, sizeof(struct obd_statfs));
+ memset(&uuid_buf, 0, sizeof(struct obd_uuid));
+ ret = llapi_obd_statfs(path, type,
+ param->obdindex, &stat_buf,
+ &uuid_buf);
+ if (ret) {
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "obd_uuid: %s failed %s ",
+ param->obduuid->uuid,
+ strerror(errno));
+ }
+ return ret;
}
static int cb_find_init(char *path, DIR *parent, DIR *dir,
- void *data, cfs_dirent_t *de)
+ void *data, struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
int decision = 1; /* 1 is accepted; -1 is rejected. */
}
}
-
ret = 0;
/* Request MDS for the stat info if some of these parameters need
* to be compared. */
- if (param->obduuid || param->check_uid || param->check_gid ||
- param->check_pool || param->atime || param->ctime ||
- param->mtime || param->check_size)
- decision = 0;
+ 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 ||
+ param->check_layout)
+ decision = 0;
+
if (param->type && checked_type == 0)
decision = 0;
if (param->have_fileinfo == 0 && decision == 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) {
- ret = -errno;
- llapi_error(LLAPI_MSG_ERROR, ret,
- "error: %s: lstat failed for %s",
- __func__, path);
- return ret;
+ ret = get_lmd_info(path, parent, dir, param->lmd,
+ param->lumlen);
+ if (ret == 0) {
+ if (dir) {
+ ret = llapi_file_fget_mdtidx(dirfd(dir),
+ ¶m->file_mdtindex);
+ } else {
+ 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->file_mdtindex);
+ 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->file_mdtindex);
+ }
}
- } else if (errno == ENOENT) {
- llapi_error(LLAPI_MSG_WARN, -ENOENT,
- "warning: %s: %s does not exist",
- __func__, path);
- goto decided;
- } else {
- ret = -errno;
- llapi_error(LLAPI_MSG_ERROR, ret,
- "error: %s: %s failed for %s",
- __func__, dir ? "LL_IOC_MDC_GETINFO" :
- "IOC_MDC_GETFILEINFO", path);
+ }
+ if (ret) {
+ if (ret == -ENOTTY)
+ lustre_fs = 0;
+ if (ret == -ENOENT)
+ goto decided;
return ret;
}
}
}
/* Prepare odb. */
- if (param->obduuid) {
+ if (param->obduuid || param->mdtuuid) {
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;
+ param->obdindex = param->mdtindex = OBD_NOT_FOUND;
}
if (lustre_fs && !param->got_uuids) {
- ret = setup_obd_indexes(dir ? dir : parent, param);
+ ret = setup_target_indexes(dir ? dir : parent, path,
+ param);
if (ret)
return ret;
} else if (!lustre_fs && param->got_uuids) {
/* A lustre/non-lustre mount point is crossed. */
param->got_uuids = 0;
- param->obdindex = OBD_NOT_FOUND;
+ param->obdindex = param->mdtindex = 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))
+ if (param->check_stripesize) {
+ decision = find_value_cmp(param->lmd->lmd_lmm.lmm_stripe_size,
+ param->stripesize,
+ param->stripesize_sign,
+ param->exclude_stripesize,
+ param->stripesize_units, 0);
+ if (decision == -1)
goto decided;
+ }
- /* Only those files should be accepted, which have a
- * stripe on the specified OST. */
- if (!param->lmd->lmd_lmm.lmm_stripe_count) {
+ if (param->check_stripecount) {
+ decision = find_value_cmp(param->lmd->lmd_lmm.lmm_stripe_count,
+ param->stripecount,
+ param->stripecount_sign,
+ param->exclude_stripecount, 1, 0);
+ if (decision == -1)
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;
+ if (param->check_layout) {
+ __u32 found;
- lmm_objects = lmmv3->lmm_objects;
- } else {
- lmm_objects = param->lmd->lmd_lmm.lmm_objects;
- }
+ 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;
+ }
+ }
- 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;
- break;
- }
- }
- /* If an OBD matches, just break */
- if (j != param->num_obds)
- break;
- }
+ /* 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))
+ goto decided;
- if (i == param->lmd->lmd_lmm.lmm_stripe_count) {
- if (!param->exclude_obd)
- goto decided;
+ /* If a OST or MDT UUID is given, and some OST matches,
+ * check it here. */
+ if (param->obdindex != OBD_NOT_FOUND ||
+ param->mdtindex != OBD_NOT_FOUND) {
+ if (param->obduuid) {
+ if (check_obd_match(param)) {
+ /* If no mdtuuid is given, we are done.
+ * Otherwise, fall through to the mdtuuid
+ * check below. */
+ if (!param->mdtuuid)
+ goto obd_matches;
+ } else {
+ goto decided;
}
}
+ if (param->mdtuuid) {
+ if (check_mdt_match(param))
+ goto obd_matches;
+ goto decided;
+ }
}
-
+obd_matches:
if (param->check_uid) {
if (st->st_uid == param->uid) {
if (param->exclude_uid)
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->lmd->lmd_lmm.lmm_stripe_count);
-
- 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) {
- llapi_printf(LLAPI_MSG_NORMAL,
- "obd_uuid: %s failed %s ",
- param->obduuid->uuid,
- strerror(errno));
- break;
- }
- }
+ LASSERT((S_ISREG(st->st_mode) &&
+ param->lmd->lmd_lmm.lmm_stripe_count) ||
+ param->mdtindex != OBD_NOT_FOUND);
+
+ if (param->obdindex != OBD_NOT_FOUND)
+ print_failed_tgt(param, path, LL_STATFS_LOV);
+
+ if (param->mdtindex != OBD_NOT_FOUND)
+ print_failed_tgt(param, path, LL_STATFS_LMV);
+
if (dir) {
ret = ioctl(dirfd(dir), IOC_LOV_GETINFO,
(void *)param->lmd);
*/
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)
+ struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
int ret = 0;
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->quiet || !(param->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:
}
static int cb_getstripe(char *path, DIR *parent, DIR *d, void *data,
- cfs_dirent_t *de)
+ struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
int ret = 0;
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) {
+ 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. */
+ 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;
}
dump:
- if (!param->get_mdt_index)
+ if (!(param->verbose & VERBOSE_MDTINDEX))
llapi_lov_dump_user_lmm(param, path, d ? 1 : 0);
out:
int llapi_getstripe(char *path, struct find_param *param)
{
- return param_callback(path, param->get_mdt_index ?
+ return param_callback(path, (param->verbose & VERBOSE_MDTINDEX) ?
cb_get_mdt_index : cb_getstripe,
cb_common_fini, param);
}
}
#define MAX_STRING_SIZE 128
-#define DEVICES_LIST "/proc/fs/lustre/devices"
int llapi_ping(char *obd_type, char *obd_name)
{
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;
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;
#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)
{
}
static int cb_quotachown(char *path, DIR *parent, DIR *d, void *data,
- cfs_dirent_t *de)
+ struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
lstat_t *st;
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->lmd, param->lumlen);
if (rc) {
- if (errno == ENODATA) {
+ if (rc == -ENODATA) {
if (!param->obduuid && !param->quiet)
llapi_error(LLAPI_MSG_ERROR, -ENODATA,
"%s has no stripe info", path);
rc = 0;
- } else if (errno == ENOENT) {
- llapi_error(LLAPI_MSG_ERROR, -ENOENT,
- "warning: %s: %s does not exist",
- __func__, path);
+ } else if (rc == -ENOENT) {
rc = 0;
- } else if (errno != EISDIR) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "%s ioctl failed for %s.",
- d ? "LL_IOC_MDC_GETINFO" :
- "IOC_MDC_GETFILEINFO", path);
}
return 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;
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;
}
}
- /* 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
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)
-{
- 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)
+static int fid_from_lma(const char *path, const int fd, 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;
+ 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;
-
- 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;
-
- 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;
- }
-
- 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);
+ int rc;
- /* 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;
- }
+ memset(fid, 0, sizeof(*fid));
- *halh = hal;
- *msgsize = kuch->kuc_msglen - sizeof(*kuch);
- 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_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)
*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 If set to LL_DV_NOFLUSH, the data version will be read
+ * directly from OST without regard to possible dirty cache on
+ * client nodes.
+ *
+ * \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 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 flags Std open flags
+ *
+ * \retval 0 on success.
+ * \retval -errno on error.
+ */
+int llapi_create_volatile_idx(char *directory, int idx, int mode)
+{
+ 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 %d bytes from /dev/urandom\n",
+ sizeof(random));
+ return -errno;
+ }
+ if (idx == -1)
+ snprintf(filename, sizeof(filename),
+ LUSTRE_VOLATILE_HDR"::%.4X", random);
+ else
+ snprintf(filename, sizeof(filename),
+ LUSTRE_VOLATILE_IDX"%.4X", 0, 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 | mode), (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) {
+ llapi_error(LLAPI_MSG_ERROR, -errno,
+ "error: cannot open for write %s",
+ path1);
+ return -errno;
+ }
+
+ fd2 = open(path2, O_WRONLY | O_LOV_DELAY_CREATE);
+ if (fd2 < 0) {
+ llapi_error(LLAPI_MSG_ERROR, -errno,
+ "error: cannot open for write %s",
+ path2);
+ close(fd1);
+ return -errno;
+ }
+
+ rc = llapi_fswap_layouts(fd1, fd2, dv1, dv2, flags);
+ if (rc < 0)
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: cannot swap layouts between %s and %s\n",
+ path1, path2);
+
+ close(fd1);
+ close(fd2);
+ return rc;
+}