* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define _GNU_SOURCE
#endif
+#include <mntent.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <dirent.h>
#include <stdarg.h>
#include <sys/stat.h>
+#include <sys/statfs.h>
#include <sys/types.h>
#include <sys/syscall.h>
#include <sys/xattr.h>
#endif
#include <poll.h>
-#include <liblustre.h>
+#include <libcfs/util/string.h>
#include <lnet/lnetctl.h>
-#include <obd.h>
-#include <obd_lov.h>
#include <lustre/lustreapi.h>
+#include <lustre_ioctl.h>
#include "lustreapi_internal.h"
-static unsigned llapi_dir_filetype_table[] = {
- [DT_UNKNOWN]= 0,
- [DT_FIFO]= S_IFIFO,
- [DT_CHR] = S_IFCHR,
- [DT_DIR] = S_IFDIR,
- [DT_BLK] = S_IFBLK,
- [DT_REG] = S_IFREG,
- [DT_LNK] = S_IFLNK,
- [DT_SOCK]= S_IFSOCK,
-#if defined(DT_DOOR) && defined(S_IFDOOR)
- [DT_DOOR]= S_IFDOOR,
-#endif
-};
-
-#if defined(DT_DOOR) && defined(S_IFDOOR)
-static const int DT_MAX = DT_DOOR;
-#else
-static const int DT_MAX = DT_SOCK;
-#endif
-
-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;
}
+int llapi_msg_get_level(void)
+{
+ return llapi_msg_level;
+}
+
static void error_callback_default(enum llapi_message_level level, int err,
const char *fmt, va_list ap)
{
"larger than expected (%u)", page_size,
LOV_MIN_STRIPE_SIZE);
}
- if ((stripe_size & (LOV_MIN_STRIPE_SIZE - 1))) {
+ if (!llapi_stripe_size_is_aligned(stripe_size)) {
rc = -EINVAL;
llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe_size %llu, "
"must be an even multiple of %d bytes",
stripe_size, page_size);
return rc;
}
- if (stripe_offset < -1 || stripe_offset > MAX_OBD_DEVICES) {
+ if (!llapi_stripe_offset_is_valid(stripe_offset)) {
rc = -EINVAL;
llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe offset %d",
stripe_offset);
return rc;
}
- if (stripe_count < -1 || stripe_count > LOV_MAX_STRIPE_COUNT) {
+ if (!llapi_stripe_count_is_valid(stripe_count)) {
rc = -EINVAL;
llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe count %d",
stripe_count);
return rc;
}
- if (stripe_size >= (1ULL << 32)) {
+ if (llapi_stripe_size_is_too_big(stripe_size)) {
rc = -EINVAL;
llapi_error(LLAPI_MSG_ERROR, rc,
"warning: stripe size 4G or larger "
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
*
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) {
- if (strlen(fsname) > sizeof(fs)-1) {
- if (fp != NULL)
- fclose(fp);
- return -E2BIG;
- }
- strncpy(fs, fsname, sizeof(fs));
- }
-
- if (fp == NULL) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "error: opening "DEVICES_LIST);
- return rc;
- }
+ char devices[PATH_MAX];
+ char dev[PATH_MAX] = "*";
+ char fs[PATH_MAX];
+ FILE *fp = NULL;
+ int rc = 0;
- while (fgets(devices, sizeof(devices), fp) != NULL) {
- char *bufp = devices, *tmp;
+ fp = fopen(DEVICES_LIST, "r");
+ if (fp == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: opening "DEVICES_LIST);
+ goto out;
+ }
- while (bufp[0] == ' ')
- ++bufp;
+ if (fsname == NULL && file_path != NULL) {
+ rc = llapi_search_fsname(file_path, fs);
+ if (rc) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "'%s' is not on a Lustre filesystem",
+ file_path);
+ goto out;
+ }
+ } else if (fsname != NULL) {
+ rc = strlcpy(fs, fsname, sizeof(fs));
+ if (rc >= sizeof(fs)) {
+ rc = -E2BIG;
+ goto out;
+ }
+ }
- tmp = strstr(bufp, obd_type);
- if (tmp) {
- tmp += strlen(obd_type) + 1;
- if (strcmp(tmp, fs))
- continue;
- if (strlen(tmp) > sizeof(dev)-1) {
- fclose(fp);
- return -E2BIG;
+ while (fgets(devices, sizeof(devices) - 1, fp) != NULL) {
+ char *bufp = devices, *tmp;
+
+ devices[sizeof(devices) - 1] = '\0';
+ while (bufp[0] == ' ')
+ ++bufp;
+
+ tmp = strstr(bufp, obd_type);
+ if (tmp != NULL) {
+ tmp += strlen(obd_type) + 1;
+ if (strcmp(tmp, fs))
+ continue;
+ rc = strlcpy(dev, tmp, sizeof(dev));
+ if (rc >= sizeof(dev)) {
+ rc = -E2BIG;
+ goto out;
}
- strncpy(dev, tmp, sizeof(dev));
- tmp = strchr(dev, ' ');
+
+ tmp = strchr(dev, ' ');
if (tmp != NULL)
*tmp = '\0';
- break;
- }
- }
+ 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);
+ if (dev[0] == '*' && strlen(fs)) {
+ rc = snprintf(dev, sizeof(dev), "%s-*", fs);
+ if (rc >= sizeof(dev)) {
+ rc = -E2BIG;
+ goto out;
+ }
+ }
+ rc = snprintf(devices, sizeof(devices), "%s/%s/%s", obd_type, dev,
+ param_name);
+ if (rc >= sizeof(devices)) {
+ rc = -E2BIG;
+ goto out;
+ }
+
+ fclose(fp);
+ return get_param(devices, value, val_len);
+out:
+ if (fp != NULL)
+ fclose(fp);
+ return rc;
}
/*
return md_size;
}
+int llapi_get_agent_uuid(char *path, char *buf, size_t bufsize)
+{
+ return get_param_lmv(path, "uuid", buf, bufsize);
+}
+
/*
* if pool is NULL, search ostname in target_obd
* if pool is not NULL:
return 0;
}
-int llapi_file_open_pool(const char *name, int flags, int mode,
- unsigned long long stripe_size, int stripe_offset,
- int stripe_count, int stripe_pattern, char *pool_name)
+/**
+ * Open a Lustre file.
+ *
+ * \param name the name of the file to be opened
+ * \param flags access mode, see flags in open(2)
+ * \param mode permission of the file if it is created, see mode in open(2)
+ * \param param stripe pattern of the newly created file
+ *
+ * \retval file descriptor of opened file
+ * \retval negative errno on failure
+ */
+int llapi_file_open_param(const char *name, int flags, mode_t mode,
+ const struct llapi_stripe_param *param)
{
- struct lov_user_md_v3 lum = { 0 };
- int fd, rc = 0;
+ char fsname[MAX_OBD_NAME + 1] = { 0 };
+ char *pool_name = param->lsp_pool;
+ struct lov_user_md *lum = NULL;
+ size_t lum_size = sizeof(*lum);
+ int fd, rc;
- /* Make sure we have a good pool */
- if (pool_name != NULL) {
- char fsname[MAX_OBD_NAME + 1], *ptr;
+ /* Make sure we are on a Lustre file system */
+ rc = llapi_search_fsname(name, fsname);
+ if (rc) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "'%s' is not on a Lustre filesystem",
+ name);
+ return rc;
+ }
- rc = llapi_search_fsname(name, fsname);
- if (rc) {
- llapi_error(LLAPI_MSG_ERROR, rc,
- "'%s' is not on a Lustre filesystem",
- name);
- return rc;
- }
+ /* Check if the stripe pattern is sane. */
+ rc = llapi_stripe_limit_check(param->lsp_stripe_size,
+ param->lsp_stripe_offset,
+ param->lsp_stripe_count,
+ param->lsp_stripe_pattern);
+ if (rc != 0)
+ return rc;
- /* in case user gives the full pool name <fsname>.<poolname>,
- * strip the fsname */
- ptr = strchr(pool_name, '.');
- if (ptr != NULL) {
- *ptr = '\0';
- if (strcmp(pool_name, fsname) != 0) {
- *ptr = '.';
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "Pool '%s' is not on filesystem '%s'",
- pool_name, fsname);
- return -EINVAL;
- }
- pool_name = ptr + 1;
- }
+ /* Make sure we have a good pool */
+ if (pool_name != NULL) {
+ /* in case user gives the full pool name <fsname>.<poolname>,
+ * strip the fsname */
+ char *ptr = strchr(pool_name, '.');
+ if (ptr != NULL) {
+ *ptr = '\0';
+ if (strcmp(pool_name, fsname) != 0) {
+ *ptr = '.';
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "Pool '%s' is not on filesystem '%s'",
+ pool_name, fsname);
+ return -EINVAL;
+ }
+ pool_name = ptr + 1;
+ }
- /* Make sure the pool exists and is non-empty */
- rc = llapi_search_ost(fsname, pool_name, NULL);
- if (rc < 1) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "pool '%s.%s' %s", fsname, pool_name,
- rc == 0 ? "has no OSTs" : "does not exist");
- return -EINVAL;
- }
- }
+ /* Make sure the pool exists and is non-empty */
+ rc = llapi_search_ost(fsname, pool_name, NULL);
+ if (rc < 1) {
+ char *err = rc == 0 ? "has no OSTs" : "does not exist";
+
+ llapi_err_noerrno(LLAPI_MSG_ERROR, "pool '%s.%s' %s",
+ fsname, pool_name, err);
+ return -EINVAL;
+ }
+
+ lum_size = sizeof(struct lov_user_md_v3);
+ }
+
+ /* sanity check of target list */
+ if (param->lsp_is_specific) {
+ char ostname[MAX_OBD_NAME + 1];
+ bool found = false;
+ int i;
+
+ for (i = 0; i < param->lsp_stripe_count; i++) {
+ snprintf(ostname, sizeof(ostname), "%s-OST%04x_UUID",
+ fsname, param->lsp_osts[i]);
+ rc = llapi_search_ost(fsname, pool_name, ostname);
+ if (rc <= 0) {
+ if (rc == 0)
+ rc = -ENODEV;
+
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "%s: cannot find OST %s in %s",
+ __func__, ostname,
+ pool_name != NULL ?
+ "pool" : "system");
+ return rc;
+ }
+
+ /* Make sure stripe offset is in OST list. */
+ if (param->lsp_osts[i] == param->lsp_stripe_offset)
+ found = true;
+ }
+ if (!found) {
+ llapi_error(LLAPI_MSG_ERROR, -EINVAL,
+ "%s: stripe offset '%d' is not in the "
+ "target list",
+ __func__, param->lsp_stripe_offset);
+ return -EINVAL;
+ }
+
+ lum_size = lov_user_md_size(param->lsp_stripe_count,
+ LOV_USER_MAGIC_SPECIFIC);
+ }
+
+ lum = calloc(1, lum_size);
+ if (lum == NULL)
+ return -ENOMEM;
retry_open:
fd = open(name, flags | O_LOV_DELAY_CREATE, mode);
}
}
- if (fd < 0) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "unable to open '%s'", name);
- return rc;
- }
+ if (fd < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "unable to open '%s'", name);
+ free(lum);
+ return rc;
+ }
- rc = llapi_stripe_limit_check(stripe_size, stripe_offset, stripe_count,
- stripe_pattern);
- if (rc != 0)
- goto out;
+ /* Initialize IOCTL striping pattern structure */
+ lum->lmm_magic = LOV_USER_MAGIC_V1;
+ lum->lmm_pattern = param->lsp_stripe_pattern;
+ lum->lmm_stripe_size = param->lsp_stripe_size;
+ lum->lmm_stripe_count = param->lsp_stripe_count;
+ lum->lmm_stripe_offset = param->lsp_stripe_offset;
+ if (pool_name != NULL) {
+ struct lov_user_md_v3 *lumv3 = (void *)lum;
- /* Initialize IOCTL striping pattern structure */
- lum.lmm_magic = LOV_USER_MAGIC_V3;
- lum.lmm_pattern = stripe_pattern;
- lum.lmm_stripe_size = stripe_size;
- lum.lmm_stripe_count = stripe_count;
- lum.lmm_stripe_offset = stripe_offset;
- if (pool_name != NULL) {
- strncpy(lum.lmm_pool_name, pool_name, LOV_MAXPOOLNAME);
- } else {
- /* If no pool is specified at all, use V1 request */
- lum.lmm_magic = LOV_USER_MAGIC_V1;
- }
+ lumv3->lmm_magic = LOV_USER_MAGIC_V3;
+ strncpy(lumv3->lmm_pool_name, pool_name, LOV_MAXPOOLNAME);
+ }
+ if (param->lsp_is_specific) {
+ struct lov_user_md_v3 *lumv3 = (void *)lum;
+ int i;
+
+ lumv3->lmm_magic = LOV_USER_MAGIC_SPECIFIC;
+ if (pool_name == NULL) {
+ /* LOV_USER_MAGIC_SPECIFIC uses v3 format plus specified
+ * OST list, therefore if pool is not specified we have
+ * to pack a null pool name for placeholder. */
+ memset(lumv3->lmm_pool_name, 0, LOV_MAXPOOLNAME);
+ }
- if (ioctl(fd, LL_IOC_LOV_SETSTRIPE, &lum)) {
- char *errmsg = "stripe already set";
- rc = -errno;
- if (errno != EEXIST && errno != EALREADY)
- errmsg = strerror(errno);
+ for (i = 0; i < param->lsp_stripe_count; i++)
+ lumv3->lmm_objects[i].l_ost_idx = param->lsp_osts[i];
+ }
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "error on ioctl "LPX64" for '%s' (%d): %s",
- (__u64)LL_IOC_LOV_SETSTRIPE, name, fd,errmsg);
- }
-out:
- if (rc) {
- close(fd);
- fd = rc;
- }
+ if (ioctl(fd, LL_IOC_LOV_SETSTRIPE, lum) != 0) {
+ char *errmsg = "stripe already set";
+
+ rc = -errno;
+ if (errno != EEXIST && errno != EALREADY)
+ errmsg = strerror(errno);
+
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error on ioctl "LPX64" for '%s' (%d): %s",
+ (__u64)LL_IOC_LOV_SETSTRIPE, name, fd,
+ errmsg);
+
+ close(fd);
+ fd = rc;
+ }
+
+ free(lum);
+
+ return fd;
+}
- return fd;
+int llapi_file_open_pool(const char *name, int flags, int mode,
+ unsigned long long stripe_size, int stripe_offset,
+ int stripe_count, int stripe_pattern, char *pool_name)
+{
+ const struct llapi_stripe_param param = {
+ .lsp_stripe_size = stripe_size,
+ .lsp_stripe_count = stripe_count,
+ .lsp_stripe_pattern = stripe_pattern,
+ .lsp_stripe_offset = stripe_offset,
+ .lsp_pool = pool_name
+ };
+ return llapi_file_open_param(name, flags, mode, ¶m);
}
int llapi_file_open(const char *name, int flags, int mode,
": too large pool name: %s", name, pool_name);
return -E2BIG;
}
- strncpy(lum.lum_pool_name, pool_name, strlen(pool_name));
+ strncpy(lum.lum_pool_name, pool_name,
+ sizeof(lum.lum_pool_name));
}
fd = open(name, O_DIRECTORY | O_RDONLY);
return rc;
}
-int llapi_dir_create_pool(const char *name, int flags, int stripe_offset,
+int llapi_dir_create_pool(const char *name, int mode, int stripe_offset,
int stripe_count, int stripe_pattern,
const char *pool_name)
{
lmu.lum_stripe_count = stripe_count;
lmu.lum_hash_type = stripe_pattern;
if (pool_name != NULL) {
- if (strlen(pool_name) >= LOV_MAXPOOLNAME) {
+ 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);
data.ioc_inllen1 = strlen(filename) + 1;
data.ioc_inlbuf2 = (char *)&lmu;
data.ioc_inllen2 = sizeof(struct lmv_user_md);
+ data.ioc_type = mode;
rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
if (rc) {
llapi_error(LLAPI_MSG_ERROR, rc,
* the value of the index will be ignored. The pathname will return data if
* the pathname is located on a lustre mount. Index is used to pick which
* mount point you want in the case of multiple mounted lustre file systems.
- * See function lfs_osts in lfs.c for a example of the index use.
+ * See function lfs_osts in lfs.c for an example of the index use.
*/
int llapi_search_mounts(const char *pathname, int index, char *mntdir,
char *fsname)
path = realpath(pathname, NULL);
if (path == NULL) {
- char buf[PATH_MAX + 1], *ptr;
-
- buf[0] = 0;
- if (pathname[0] != '/') {
- /* Need an absolute path, but realpath() only works for
- * pathnames that actually exist. We go through the
- * extra hurdle of dirname(getcwd() + pathname) in
- * case the relative pathname contains ".." in it. */
- if (getcwd(buf, sizeof(buf) - 1) == NULL)
- return -errno;
- strcat(buf, "/");
- }
- strncat(buf, pathname, sizeof(buf) - strlen(buf));
+ char buf[PATH_MAX], *ptr;
+
+ buf[0] = '\0';
+ if (pathname[0] != '/') {
+ /* Need an absolute path, but realpath() only works for
+ * pathnames that actually exist. We go through the
+ * extra hurdle of dirname(getcwd() + pathname) in
+ * case the relative pathname contains ".." in it. */
+ if (getcwd(buf, sizeof(buf) - 2) == NULL)
+ return -errno;
+ rc = strlcat(buf, "/", sizeof(buf));
+ if (rc >= sizeof(buf))
+ return -E2BIG;
+ }
+ rc = strlcat(buf, pathname, sizeof(buf));
+ if (rc >= sizeof(buf))
+ return -E2BIG;
path = realpath(buf, NULL);
if (path == NULL) {
ptr = strrchr(buf, '/');
int llapi_get_poolmembers(const char *poolname, char **members,
int list_size, char *buffer, int buffer_size)
{
- char fsname[PATH_MAX + 1];
- char *pool, *tmp;
- char pathname[PATH_MAX + 1];
- char path[PATH_MAX + 1];
- char buf[1024];
+ char fsname[PATH_MAX];
+ char *pool, *tmp;
+ char pathname[PATH_MAX];
+ char path[PATH_MAX];
+ char buf[1024];
FILE *fd;
int rc = 0;
int nb_entries = 0;
int used = 0;
/* name is FSNAME.POOLNAME */
- if (strlen(poolname) > PATH_MAX)
- return -EOVERFLOW;
- strcpy(fsname, poolname);
+ if (strlen(poolname) >= sizeof(fsname))
+ return -EOVERFLOW;
+ strlcpy(fsname, poolname, sizeof(fsname));
pool = strchr(fsname, '.');
if (pool == NULL)
return -EINVAL;
}
llapi_printf(LLAPI_MSG_NORMAL, "Pool: %s.%s\n", fsname, pool);
- sprintf(path, "%s/%s", pathname, pool);
+ rc = snprintf(path, sizeof(path), "%s/%s", pathname, pool);
+ if (rc >= sizeof(path))
+ return -EOVERFLOW;
fd = fopen(path, "r");
if (fd == NULL) {
rc = -errno;
rc = -EOVERFLOW;
break;
}
+ buf[sizeof(buf) - 1] = '\0';
/* remove '\n' */
tmp = strchr(buf, '\n');
if (tmp != NULL)
unsigned int used = 0;
unsigned int i;
- /* initilize output array */
+ /* initialize output array */
for (i = 0; i < list_size; i++)
poollist[i] = NULL;
int obdcount, bufsize, rc, nb, i;
char *poolname = NULL, *tmp = NULL, data[16];
- if (name[0] != '/') {
- fsname = strdup(name);
+ if (name == NULL)
+ return -EINVAL;
+
+ if (name[0] != '/') {
+ fsname = strdup(name);
+ if (fsname == NULL)
+ return -ENOMEM;
+
poolname = strchr(fsname, '.');
if (poolname)
*poolname = '\0';
return rc;
}
-typedef int (semantic_func_t)(char *path, DIR *parent, DIR *d,
+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)
{
- int lumlen = get_mds_md_size(path);
+ int lum_size = get_mds_md_size(path);
- if (lumlen < PATH_MAX + 1)
- lumlen = PATH_MAX + 1;
+ if (lum_size < PATH_MAX + 1)
+ lum_size = PATH_MAX + 1;
- param->lumlen = lumlen;
- param->lmd = malloc(sizeof(lstat_t) + param->lumlen);
- if (param->lmd == NULL) {
+ param->fp_lum_size = lum_size;
+ param->fp_lmd = calloc(1, sizeof(lstat_t) + param->fp_lum_size);
+ if (param->fp_lmd == NULL) {
llapi_error(LLAPI_MSG_ERROR, -ENOMEM,
"error: allocation of %zu bytes for ioctl",
- sizeof(lstat_t) + param->lumlen);
+ sizeof(lstat_t) + param->fp_lum_size);
return -ENOMEM;
}
- param->fp_lmv_count = 256;
- param->fp_lmv_md = malloc(lmv_user_md_size(256, LMV_MAGIC_V1));
+ param->fp_lmv_stripe_count = 256;
+ param->fp_lmv_md = calloc(1,
+ lmv_user_md_size(param->fp_lmv_stripe_count,
+ LMV_MAGIC_V1));
if (param->fp_lmv_md == NULL) {
llapi_error(LLAPI_MSG_ERROR, -ENOMEM,
"error: allocation of %d bytes for ioctl",
- lmv_user_md_size(256, LMV_MAGIC_V1));
+ lmv_user_md_size(param->fp_lmv_stripe_count,
+ LMV_MAGIC_V1));
return -ENOMEM;
}
- param->got_uuids = 0;
- param->obdindexes = NULL;
- param->obdindex = OBD_NOT_FOUND;
- param->mdtindex = OBD_NOT_FOUND;
+ param->fp_got_uuids = 0;
+ param->fp_obd_indexes = NULL;
+ param->fp_obd_index = OBD_NOT_FOUND;
+ if (!param->fp_migrate)
+ param->fp_mdt_index = OBD_NOT_FOUND;
return 0;
}
static void find_param_fini(struct find_param *param)
{
- if (param->obdindexes)
- free(param->obdindexes);
+ if (param->fp_obd_indexes)
+ free(param->fp_obd_indexes);
- if (param->lmd)
- free(param->lmd);
+ if (param->fp_lmd)
+ free(param->fp_lmd);
if (param->fp_lmv_md)
free(param->fp_lmv_md);
}
-static int cb_common_fini(char *path, DIR *parent, DIR *d, void *data,
+static int cb_common_fini(char *path, DIR *parent, DIR **dirp, void *data,
struct dirent64 *de)
{
- struct find_param *param = (struct find_param *)data;
- param->depth--;
- return 0;
+ struct find_param *param = data;
+ param->fp_depth--;
+
+ return 0;
}
/* set errno upon failure */
static 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;
+ int ret;
- lmv->lum_stripe_count = param->fp_lmv_count;
- if (param->get_default_lmv)
- lmv->lum_magic = LMV_USER_MAGIC;
+again:
+ param->fp_lmv_md->lum_stripe_count = param->fp_lmv_stripe_count;
+ if (param->fp_get_default_lmv)
+ param->fp_lmv_md->lum_magic = LMV_USER_MAGIC;
else
- lmv->lum_magic = LMV_MAGIC_V1;
- ret = ioctl(dirfd(d), LL_IOC_LMV_GETSTRIPE, lmv);
+ param->fp_lmv_md->lum_magic = LMV_MAGIC_V1;
+ ret = ioctl(dirfd(d), LL_IOC_LMV_GETSTRIPE, param->fp_lmv_md);
+ if (errno == E2BIG && ret != 0) {
+ int stripe_count;
+ int lmv_size;
+
+ stripe_count = (__u32)param->fp_lmv_md->lum_stripe_count;
+ if (stripe_count <= param->fp_lmv_stripe_count)
+ return ret;
+
+ free(param->fp_lmv_md);
+ param->fp_lmv_stripe_count = stripe_count;
+ lmv_size = lmv_user_md_size(stripe_count, LMV_MAGIC_V1);
+ param->fp_lmv_md = malloc(lmv_size);
+ if (param->fp_lmv_md == NULL) {
+ llapi_error(LLAPI_MSG_ERROR, -ENOMEM,
+ "error: allocation of %d bytes for ioctl",
+ lmv_user_md_size(param->fp_lmv_stripe_count,
+ LMV_MAGIC_V1));
+ return -ENOMEM;
+ }
+ goto again;
+ }
return ret;
}
if (dir) {
ret = ioctl(dirfd(dir), LL_IOC_MDC_GETINFO, (void *)lmd);
} else if (parent) {
- char *fname = strrchr(path, '/');
+ 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);
+ /* To avoid opening, locking, and closing each file on the
+ * client if that is not needed. The GETFILEINFO ioctl can
+ * be done on the patent dir with a single open for all
+ * files in that directory, and it also doesn't pollute the
+ * client dcache with millions of dentries when traversing
+ * a large filesystem. */
+ fname = (fname == NULL ? path : fname + 1);
+ /* retrieve needed file info */
+ strlcpy((char *)lmd, fname, lumlen);
+ ret = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO, (void *)lmd);
}
if (ret) {
int len, ret;
DIR *d, *p = NULL;
- ret = 0;
- len = strlen(path);
+ ret = 0;
+ len = strlen(path);
d = opendir(path);
if (!d && errno != ENOTDIR) {
}
}
- 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 || (param->get_lmv && !param->recursive)) {
- ret = 0;
+ if (d == NULL)
goto out;
- }
while ((dent = readdir64(d)) != NULL) {
- param->have_fileinfo = 0;
+ int rc;
if (!strcmp(dent->d_name, ".") || !strcmp(dent->d_name, ".."))
continue;
strcat(path, dent->d_name);
if (dent->d_type == DT_UNKNOWN) {
- lstat_t *st = ¶m->lmd->lmd_st;
-
- ret = get_lmd_info(path, d, NULL, param->lmd,
- param->lumlen);
- if (ret == 0) {
- dent->d_type =
- llapi_filetype_dir_table[st->st_mode &
- S_IFMT];
- }
- if (ret == -ENOENT)
- continue;
+ lstat_t *st = ¶m->fp_lmd->lmd_st;
+
+ rc = get_lmd_info(path, d, NULL, param->fp_lmd,
+ param->fp_lum_size);
+ if (rc == 0)
+ dent->d_type = IFTODT(st->st_mode);
+ else if (ret == 0)
+ ret = rc;
+
+ if (rc == -ENOENT)
+ continue;
}
switch (dent->d_type) {
case DT_UNKNOWN:
"error: %s: '%s' is UNKNOWN type %d",
__func__, dent->d_name, dent->d_type);
break;
- case DT_DIR:
- ret = llapi_semantic_traverse(path, size, d, sem_init,
- sem_fini, data, dent);
- if (ret < 0)
- goto out;
- break;
- default:
- ret = 0;
- if (sem_init) {
- ret = sem_init(path, d, NULL, data, dent);
- if (ret < 0)
- goto out;
- }
- if (sem_fini && ret == 0)
- sem_fini(path, d, NULL, data, dent);
+ case DT_DIR:
+ rc = llapi_semantic_traverse(path, size, d, sem_init,
+ sem_fini, data, dent);
+ if (rc != 0 && ret == 0)
+ ret = rc;
+ break;
+ default:
+ rc = 0;
+ if (sem_init) {
+ rc = sem_init(path, d, NULL, data, dent);
+ if (rc < 0 && ret == 0)
+ ret = rc;
+ }
+ if (sem_fini && rc == 0)
+ sem_fini(path, d, NULL, data, dent);
}
}
out:
path[len] = 0;
- if (sem_fini)
- sem_fini(path, parent, d, data, de);
+ if (sem_fini)
+ sem_fini(path, parent, &d, data, de);
err:
if (d)
closedir(d);
if (p)
closedir(p);
- return ret;
+ return ret;
}
static int param_callback(char *path, semantic_func_t sem_init,
if (!buf)
return -ENOMEM;
- strncpy(buf, path, PATH_MAX + 1);
+ strlcpy(buf, path, PATH_MAX + 1);
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);
/*
* 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
+ * there are more OSTs than allocated to uuidp, then an error is returned with
* the ost_count set to number of available obd uuids.
*/
static int llapi_get_target_uuids(int fd, struct obd_uuid *uuidp,
int *ost_count, enum tgt_type type)
{
- struct obd_uuid name;
- char buf[1024];
- FILE *fp;
- int rc = 0, index = 0;
+ struct obd_uuid name;
+ char buf[1024];
+ char format[32];
+ FILE *fp;
+ int rc = 0, index = 0;
/* Get the lov name */
if (type == LOV_TYPE) {
return rc;
}
- while (fgets(buf, sizeof(buf), fp) != NULL) {
- if (uuidp && (index < *ost_count)) {
- if (sscanf(buf, "%d: %s", &index, uuidp[index].uuid) <2)
+ snprintf(format, sizeof(format),
+ "%%d: %%%zus", sizeof(uuidp[0].uuid) - 1);
+ while (fgets(buf, sizeof(buf), fp) != NULL) {
+ if (uuidp && (index < *ost_count)) {
+ if (sscanf(buf, format, &index, uuidp[index].uuid) < 2)
break;
}
index++;
return (strncmp(search_uuid, real_uuid, cmplen) == 0);
}
-/* Here, param->obduuid points to a single obduuid, the index of which is
- * returned in param->obdindex */
+/* Here, param->fp_obd_uuid points to a single obduuid, the index of which is
+ * returned in param->fp_obd_index */
static int setup_obd_uuid(DIR *dir, char *dname, struct find_param *param)
{
- struct obd_uuid obd_uuid;
- char uuid[sizeof(struct obd_uuid)];
- char buf[1024];
- FILE *fp;
- int rc = 0, index;
+ struct obd_uuid obd_uuid;
+ char buf[1024];
+ char format[32];
+ FILE *fp;
+ int rc = 0;
- if (param->got_uuids)
+ if (param->fp_got_uuids)
return rc;
/* Get the lov/lmv name */
- if (param->get_lmv)
+ if (param->fp_get_lmv)
rc = llapi_file_fget_lmv_uuid(dirfd(dir), &obd_uuid);
else
rc = llapi_file_fget_lov_uuid(dirfd(dir), &obd_uuid);
return rc;
}
- param->got_uuids = 1;
+ param->fp_got_uuids = 1;
- /* Now get the ost uuids from /proc */
- snprintf(buf, sizeof(buf), "/proc/fs/lustre/%s/%s/target_obd",
- param->get_lmv ? "lmv" : "lov", obd_uuid.uuid);
+ /* Now get the ost uuids from /proc */
+ snprintf(buf, sizeof(buf), "/proc/fs/lustre/%s/%s/target_obd",
+ param->fp_get_lmv ? "lmv" : "lov", obd_uuid.uuid);
fp = fopen(buf, "r");
if (fp == NULL) {
rc = -errno;
return rc;
}
- if (!param->obduuid && !param->quiet && !param->obds_printed)
- llapi_printf(LLAPI_MSG_NORMAL, "%s:\n",
- param->get_lmv ? "MDTS" : "OBDS:");
+ if (!param->fp_obd_uuid && !param->fp_quiet && !param->fp_obds_printed)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s:\n",
+ param->fp_get_lmv ? "MDTS" : "OBDS:");
- while (fgets(buf, sizeof(buf), fp) != NULL) {
- if (sscanf(buf, "%d: %s", &index, uuid) < 2)
- break;
+ snprintf(format, sizeof(format),
+ "%%d: %%%zus", sizeof(obd_uuid.uuid) - 1);
+ while (fgets(buf, sizeof(buf), fp) != NULL) {
+ int index;
- if (param->obduuid) {
- if (llapi_uuid_match(uuid, param->obduuid->uuid)) {
- param->obdindex = index;
- break;
- }
- } else if (!param->quiet && !param->obds_printed) {
- /* Print everything */
- llapi_printf(LLAPI_MSG_NORMAL, "%s", buf);
- }
- }
- param->obds_printed = 1;
+ if (sscanf(buf, format, &index, obd_uuid.uuid) < 2)
+ break;
+
+ if (param->fp_obd_uuid) {
+ if (llapi_uuid_match(obd_uuid.uuid,
+ param->fp_obd_uuid->uuid)) {
+ param->fp_obd_index = index;
+ break;
+ }
+ } else if (!param->fp_quiet && !param->fp_obds_printed) {
+ /* Print everything */
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", buf);
+ }
+ }
+ param->fp_obds_printed = 1;
fclose(fp);
- if (param->obduuid && (param->obdindex == OBD_NOT_FOUND)) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "error: %s: unknown obduuid: %s",
- __func__, param->obduuid->uuid);
- rc = -EINVAL;
- }
+ if (param->fp_obd_uuid && (param->fp_obd_index == OBD_NOT_FOUND)) {
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error: %s: unknown obduuid: %s",
+ __func__, param->fp_obd_uuid->uuid);
+ rc = -EINVAL;
+ }
return (rc);
}
-/* In this case, param->obduuid will be an array of obduuids and
+/* In this case, param->fp_obd_uuid will be an array of obduuids and
* obd index for all these obduuids will be returned in
- * param->obdindexes */
+ * param->fp_obd_indexes */
static int setup_indexes(DIR *dir, char *path, struct obd_uuid *obduuids,
int num_obds, int **obdindexes, int *obdindex,
enum tgt_type type)
{
int ret = 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;
+ if (param->fp_mdt_uuid) {
+ ret = setup_indexes(dir, path, param->fp_mdt_uuid,
+ param->fp_num_mdts,
+ ¶m->fp_mdt_indexes,
+ ¶m->fp_mdt_index, LMV_TYPE);
+ if (ret)
+ return ret;
+ }
+
+ if (param->fp_obd_uuid) {
+ ret = setup_indexes(dir, path, param->fp_obd_uuid,
+ param->fp_num_obds,
+ ¶m->fp_obd_indexes,
+ ¶m->fp_obd_index, LOV_TYPE);
+ if (ret)
+ return ret;
+ }
+
+ param->fp_got_uuids = 1;
+
+ return ret;
}
int llapi_ostlist(char *path, struct find_param *param)
if (rc != 0)
return rc;
- strncpy(clilovpath, buffer, sizeof(buffer));
+ strlcpy(clilovpath, buffer, sizeof(buffer));
return 0;
}
if (rc)
return rc;
} else {
- strncpy(fsname_buf, fsname, PATH_MAX);
+ strlcpy(fsname_buf, fsname, sizeof(fsname_buf));
}
- if (strncmp(fsname_buf, cache.fsname, PATH_MAX) != 0) {
+ if (strncmp(fsname_buf, cache.fsname, sizeof(fsname_buf) - 1) != 0) {
/*
* Ensure all 3 sattrs (count, size, and offset) are
* successfully retrieved and stored in tmp before writing to
cache.stripecount = tmp[0];
cache.stripesize = tmp[1];
cache.stripeoffset = tmp[2];
- strncpy(cache.fsname, fsname_buf, PATH_MAX);
+ strlcpy(cache.fsname, fsname_buf, sizeof(cache.fsname));
}
if (scount)
int raw, char *pool_name)
{
char *prefix = is_dir ? "" : "lmm_";
- char *seperator = "";
+ char *separator = "";
int rc;
if (is_dir && lmm_oi_seq(&lum->lmm_oi) == FID_SEQ_LOV_DEFAULT) {
llapi_printf(LLAPI_MSG_NORMAL, "%hd",
(__s16)lum->lmm_stripe_count);
}
- seperator = is_dir ? " " : "\n";
+ separator = is_dir ? " " : "\n";
}
if (verbose & VERBOSE_SIZE) {
- llapi_printf(LLAPI_MSG_NORMAL, "%s", seperator);
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
if (verbose & ~VERBOSE_SIZE)
llapi_printf(LLAPI_MSG_NORMAL, "%sstripe_size: ",
prefix);
llapi_printf(LLAPI_MSG_NORMAL, "%u",
lum->lmm_stripe_size);
}
- seperator = is_dir ? " " : "\n";
+ separator = is_dir ? " " : "\n";
}
if ((verbose & VERBOSE_LAYOUT) && !is_dir) {
- llapi_printf(LLAPI_MSG_NORMAL, "%s", seperator);
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
if (verbose & ~VERBOSE_LAYOUT)
llapi_printf(LLAPI_MSG_NORMAL, "%spattern: ",
prefix);
llapi_printf(LLAPI_MSG_NORMAL, "%.x", lum->lmm_pattern);
- seperator = "\n";
+ separator = "\n";
}
if ((verbose & VERBOSE_GENERATION) && !is_dir) {
- llapi_printf(LLAPI_MSG_NORMAL, "%s", seperator);
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
if (verbose & ~VERBOSE_GENERATION)
llapi_printf(LLAPI_MSG_NORMAL, "%slayout_gen: ",
prefix);
llapi_printf(LLAPI_MSG_NORMAL, "%u",
(int)lum->lmm_layout_gen);
- seperator = "\n";
+ separator = "\n";
}
if (verbose & VERBOSE_OFFSET) {
- llapi_printf(LLAPI_MSG_NORMAL, "%s", seperator);
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
if (verbose & ~VERBOSE_OFFSET)
llapi_printf(LLAPI_MSG_NORMAL, "%sstripe_offset: ",
prefix);
else
llapi_printf(LLAPI_MSG_NORMAL, "%u",
objects[0].l_ost_idx);
- seperator = is_dir ? " " : "\n";
+ separator = is_dir ? " " : "\n";
}
if ((verbose & VERBOSE_POOL) && (pool_name != NULL)) {
- llapi_printf(LLAPI_MSG_NORMAL, "%s", seperator);
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
if (verbose & ~VERBOSE_POOL)
llapi_printf(LLAPI_MSG_NORMAL, "%spool: ",
prefix);
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);
+ if (lum->lum_stripe_count == 0) {
+ if (obdindex == lum->lum_stripe_offset)
obdstripe = 1;
- break;
+ } else {
+ for (i = 0; i < lum->lum_stripe_count; i++) {
+ if (obdindex == objects[i].lum_mds) {
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%s%s\n", prefix,
+ path);
+ obdstripe = 1;
+ break;
+ }
}
}
} else {
obdstripe = 1;
}
+ if (!obdstripe)
+ return;
+
/* show all information default */
if (!verbose) {
if (lum->lum_magic == LMV_USER_MAGIC)
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\n",
+ llapi_printf(LLAPI_MSG_NORMAL, "%u",
(int)lum->lum_stripe_count);
+ if (verbose & VERBOSE_OFFSET)
+ separator = " ";
+ else
+ separator = "\n";
}
if (verbose & VERBOSE_OFFSET) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
if (verbose & ~VERBOSE_OFFSET)
llapi_printf(LLAPI_MSG_NORMAL, "lmv_stripe_offset: ");
- llapi_printf(LLAPI_MSG_NORMAL, "%d\n",
+ llapi_printf(LLAPI_MSG_NORMAL, "%d",
(int)lum->lum_stripe_offset);
+ separator = "\n";
}
if (verbose & VERBOSE_OBJID && lum->lum_magic != LMV_USER_MAGIC) {
- if ((obdstripe == 1))
+ 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++) {
}
- if ((verbose & VERBOSE_POOL) && (pool_name[0] != '\0')) {
+ if ((verbose & VERBOSE_POOL) && pool_name != NULL &&
+ 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";
}
- llapi_printf(LLAPI_MSG_NORMAL, "\n");
+
+ if (!(verbose & VERBOSE_OBJID) || lum->lum_magic == LMV_USER_MAGIC)
+ llapi_printf(LLAPI_MSG_NORMAL, "\n");
}
void llapi_lov_dump_user_lmm(struct find_param *param, char *path, int is_dir)
{
__u32 magic;
- if (param->get_lmv || param->get_default_lmv)
+ if (param->fp_get_lmv || param->fp_get_default_lmv)
magic = (__u32)param->fp_lmv_md->lum_magic;
else
- magic = *(__u32 *)¶m->lmd->lmd_lmm; /* lum->lmm_magic */
+ magic = *(__u32 *)¶m->fp_lmd->lmd_lmm; /* lum->lmm_magic */
switch (magic) {
case LOV_USER_MAGIC_V1:
- lov_dump_user_lmm_v1v3(¶m->lmd->lmd_lmm, NULL,
- param->lmd->lmd_lmm.lmm_objects,
- path, is_dir,
- param->obdindex, param->maxdepth,
- param->verbose, param->raw);
+ lov_dump_user_lmm_v1v3(¶m->fp_lmd->lmd_lmm, NULL,
+ param->fp_lmd->lmd_lmm.lmm_objects,
+ path, is_dir,
+ param->fp_obd_index, param->fp_max_depth,
+ param->fp_verbose, param->fp_raw);
break;
case LOV_USER_MAGIC_V3: {
char pool_name[LOV_MAXPOOLNAME + 1];
struct lov_user_ost_data_v1 *objects;
- struct lov_user_md_v3 *lmmv3 = (void *)¶m->lmd->lmd_lmm;
-
- strncpy(pool_name, lmmv3->lmm_pool_name, LOV_MAXPOOLNAME);
- pool_name[LOV_MAXPOOLNAME] = '\0';
- objects = lmmv3->lmm_objects;
- lov_dump_user_lmm_v1v3(¶m->lmd->lmd_lmm, pool_name,
- objects, path, is_dir,
- param->obdindex, param->maxdepth,
- param->verbose, param->raw);
+ struct lov_user_md_v3 *lmmv3 = (void *)¶m->fp_lmd->lmd_lmm;
+
+ strlcpy(pool_name, lmmv3->lmm_pool_name, sizeof(pool_name));
+ objects = lmmv3->lmm_objects;
+ lov_dump_user_lmm_v1v3(¶m->fp_lmd->lmd_lmm,
+ pool_name[0] == '\0' ? NULL : pool_name,
+ objects, path, is_dir,
+ param->fp_obd_index, param->fp_max_depth,
+ param->fp_verbose, param->fp_raw);
break;
}
case LMV_MAGIC_V1:
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);
+ strlcpy(pool_name, lum->lum_pool_name, sizeof(pool_name));
+ lmv_dump_user_lmm(lum,
+ pool_name[0] == '\0' ? NULL : pool_name,
+ path, param->fp_obd_index,
+ param->fp_max_depth, param->fp_verbose);
break;
}
default:
llapi_printf(LLAPI_MSG_NORMAL, "unknown lmm_magic: %#x "
"(expecting one of %#x %#x %#x %#x)\n",
- *(__u32 *)¶m->lmd->lmd_lmm,
+ *(__u32 *)¶m->fp_lmd->lmd_lmm,
LOV_USER_MAGIC_V1, LOV_USER_MAGIC_V3,
LMV_USER_MAGIC, LMV_MAGIC_V1);
return;
* 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;
- }
+ 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->ctime) {
- ret = find_value_cmp(st->st_ctime, param->ctime,
- param->csign, param->exclude_ctime,
- 24 * 60 * 60, mds);
- if (ret < 0)
- return ret;
+ if (param->fp_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 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->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 rc;
}
/**
*/
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;
+ lstat_t *st = ¶m->fp_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 (param->fp_obd_uuid && param->fp_obd_index == OBD_NOT_FOUND)
+ return 0;
- if (!S_ISREG(st->st_mode))
- 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;
+ /* Only those files should be accepted, which have a
+ * stripe on the specified OST. */
+ if (!param->fp_lmd->lmd_lmm.lmm_stripe_count)
+ return 0;
- if (param->lmd->lmd_lmm.lmm_magic ==
- LOV_USER_MAGIC_V3) {
- struct lov_user_md_v3 *lmmv3 = (void *)¶m->lmd->lmd_lmm;
+ if (param->fp_lmd->lmd_lmm.lmm_magic ==
+ LOV_USER_MAGIC_V3) {
+ struct lov_user_md_v3 *lmmv3 = (void *)¶m->fp_lmd->lmd_lmm;
- lmm_objects = lmmv3->lmm_objects;
- } else if (param->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;
- }
+ lmm_objects = lmmv3->lmm_objects;
+ } else if (param->fp_lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V1) {
+ lmm_objects = param->fp_lmd->lmd_lmm.lmm_objects;
+ } else {
+ llapi_err_noerrno(LLAPI_MSG_ERROR, "%s:Unknown magic: 0x%08X\n",
+ __func__, param->fp_lmd->lmd_lmm.lmm_magic);
+ return -EINVAL;
+ }
- for (i = 0; i < param->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;
- }
- }
- }
+ for (i = 0; i < param->fp_lmd->lmd_lmm.lmm_stripe_count; i++) {
+ for (j = 0; j < param->fp_num_obds; j++) {
+ if (param->fp_obd_indexes[j] ==
+ lmm_objects[i].l_ost_idx) {
+ if (param->fp_exclude_obd)
+ return 0;
+ return 1;
+ }
+ }
+ }
- if (param->exclude_obd)
+ if (param->fp_exclude_obd)
return 1;
- return 0;
+
+ return 0;
}
static int check_mdt_match(struct find_param *param)
{
- int i;
+ int i;
- if (param->mdtuuid && param->mdtindex == OBD_NOT_FOUND)
- return 0;
+ if (param->fp_mdt_uuid && param->fp_mdt_index == 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)
- return !param->exclude_mdt;
+ /* FIXME: For striped dir, we should get stripe information and check */
+ for (i = 0; i < param->fp_num_mdts; i++) {
+ if (param->fp_mdt_indexes[i] == param->fp_file_mdt_index)
+ return !param->fp_exclude_mdt;
}
- if (param->exclude_mdt)
- return 1;
- return 0;
+ if (param->fp_exclude_mdt)
+ return 1;
+
+ return 0;
}
/**
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;
+ ret = llapi_obd_statfs(path, type,
+ param->fp_obd_index, &stat_buf,
+ &uuid_buf);
+ if (ret) {
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "obd_uuid: %s failed %s ",
+ param->fp_obd_uuid->uuid,
+ strerror(errno));
+ }
+
+ return ret;
}
-static int cb_find_init(char *path, DIR *parent, DIR *dir,
+static int cb_find_init(char *path, DIR *parent, DIR **dirp,
void *data, struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
+ DIR *dir = dirp == NULL ? NULL : *dirp;
int decision = 1; /* 1 is accepted; -1 is rejected. */
- lstat_t *st = ¶m->lmd->lmd_st;
+ lstat_t *st = ¶m->fp_lmd->lmd_st;
int lustre_fs = 1;
int checked_type = 0;
int ret = 0;
LASSERT(parent != NULL || dir != NULL);
- if (param->have_fileinfo == 0)
- param->lmd->lmd_lmm.lmm_stripe_count = 0;
+ param->fp_lmd->lmd_lmm.lmm_stripe_count = 0;
- /* If a regular expression is presented, make the initial decision */
- if (param->pattern != NULL) {
- char *fname = strrchr(path, '/');
- fname = (fname == NULL ? path : fname + 1);
- ret = fnmatch(param->pattern, fname, 0);
- if ((ret == FNM_NOMATCH && !param->exclude_pattern) ||
- (ret == 0 && param->exclude_pattern))
- goto decided;
- }
+ /* If a regular expression is presented, make the initial decision */
+ if (param->fp_pattern != NULL) {
+ char *fname = strrchr(path, '/');
+ fname = (fname == NULL ? path : fname + 1);
+ ret = fnmatch(param->fp_pattern, fname, 0);
+ if ((ret == FNM_NOMATCH && !param->fp_exclude_pattern) ||
+ (ret == 0 && param->fp_exclude_pattern))
+ goto decided;
+ }
- /* See if we can check the file type from the dirent. */
- if (param->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;
+ 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 ||
- param->check_layout)
+ /* Request MDS for the stat info if some of these parameters need
+ * to be compared. */
+ if (param->fp_obd_uuid || param->fp_mdt_uuid ||
+ param->fp_check_uid || param->fp_check_gid ||
+ param->fp_atime || param->fp_mtime || param->fp_ctime ||
+ param->fp_check_pool || param->fp_check_size ||
+ param->fp_check_stripe_count || param->fp_check_stripe_size ||
+ param->fp_check_layout)
decision = 0;
- if (param->type && checked_type == 0)
+ if (param->fp_type != 0 && checked_type == 0)
decision = 0;
- if (param->have_fileinfo == 0 && decision == 0) {
- 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);
- }
- }
- }
- if (ret) {
- if (ret == -ENOTTY)
- lustre_fs = 0;
- if (ret == -ENOENT)
- goto decided;
- return ret;
- }
- }
+ if (decision == 0) {
+ ret = get_lmd_info(path, parent, dir, param->fp_lmd,
+ param->fp_lum_size);
+ if (ret == 0 && param->fp_lmd->lmd_lmm.lmm_magic == 0 &&
+ (param->fp_check_pool || param->fp_check_stripe_count ||
+ param->fp_check_stripe_size || param->fp_check_layout)) {
+ struct lov_user_md *lmm = ¶m->fp_lmd->lmd_lmm;
- 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;
- }
- }
+ /* We need to "fake" the "use the default" values
+ * since the lmm struct is zeroed out at this point. */
+ lmm->lmm_magic = LOV_USER_MAGIC_V1;
+ lmm->lmm_pattern = 0xFFFFFFFF;
+ if (!param->fp_raw)
+ ostid_set_seq(&lmm->lmm_oi,
+ FID_SEQ_LOV_DEFAULT);
+ lmm->lmm_stripe_size = 0;
+ lmm->lmm_stripe_count = 0;
+ lmm->lmm_stripe_offset = -1;
+ }
+ if (ret == 0 && param->fp_mdt_uuid != NULL) {
+ if (dir != NULL) {
+ ret = llapi_file_fget_mdtidx(dirfd(dir),
+ ¶m->fp_file_mdt_index);
+ } else if (S_ISREG(st->st_mode)) {
+ int fd;
+
+ /* FIXME: we could get the MDT index from the
+ * file's FID in lmd->lmd_lmm.lmm_oi without
+ * opening the file, once we are sure that
+ * LFSCK2 (2.6) has fixed up pre-2.0 LOV EAs.
+ * That would still be an ioctl() to map the
+ * FID to the MDT, but not an open RPC. */
+ fd = open(path, O_RDONLY);
+ if (fd > 0) {
+ ret = llapi_file_fget_mdtidx(fd,
+ ¶m->fp_file_mdt_index);
+ close(fd);
+ } else {
+ ret = -errno;
+ }
+ } else {
+ /* For a special file, we assume it resides on
+ * the same MDT as the parent directory. */
+ ret = llapi_file_fget_mdtidx(dirfd(parent),
+ ¶m->fp_file_mdt_index);
+ }
+ }
+ if (ret != 0) {
+ if (ret == -ENOTTY)
+ lustre_fs = 0;
+ if (ret == -ENOENT)
+ goto decided;
- /* Prepare odb. */
- 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 = param->mdtindex = OBD_NOT_FOUND;
- }
+ return ret;
+ }
+ }
- if (lustre_fs && !param->got_uuids) {
- ret = setup_target_indexes(dir ? dir : parent, path,
- param);
- if (ret)
- return ret;
+ 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->fp_obd_uuid || param->fp_mdt_uuid) {
+ if (lustre_fs && param->fp_got_uuids &&
+ param->fp_dev != st->st_dev) {
+ /* A lustre/lustre mount point is crossed. */
+ param->fp_got_uuids = 0;
+ param->fp_obds_printed = 0;
+ param->fp_mdt_index = OBD_NOT_FOUND;
+ param->fp_obd_index = OBD_NOT_FOUND;
+ }
- param->st_dev = st->st_dev;
- } else if (!lustre_fs && param->got_uuids) {
- /* A lustre/non-lustre mount point is crossed. */
- param->got_uuids = 0;
- param->obdindex = param->mdtindex = OBD_NOT_FOUND;
+ if (lustre_fs && !param->fp_got_uuids) {
+ ret = setup_target_indexes(dir ? dir : parent, path,
+ param);
+ if (ret)
+ return ret;
+
+ param->fp_dev = st->st_dev;
+ } else if (!lustre_fs && param->fp_got_uuids) {
+ /* A lustre/non-lustre mount point is crossed. */
+ param->fp_got_uuids = 0;
+ param->fp_mdt_index = OBD_NOT_FOUND;
+ param->fp_obd_index = OBD_NOT_FOUND;
}
}
- 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;
- }
+ if (param->fp_check_stripe_size) {
+ decision = find_value_cmp(
+ param->fp_lmd->lmd_lmm.lmm_stripe_size,
+ param->fp_stripe_size,
+ param->fp_stripe_size_sign,
+ param->fp_exclude_stripe_size,
+ param->fp_stripe_size_units, 0);
+ if (decision == -1)
+ goto decided;
+ }
- if (param->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;
+ if (param->fp_check_stripe_count) {
+ decision = find_value_cmp(
+ param->fp_lmd->lmd_lmm.lmm_stripe_count,
+ param->fp_stripe_count,
+ param->fp_stripe_count_sign,
+ param->fp_exclude_stripe_count, 1, 0);
+ if (decision == -1)
+ goto decided;
}
- if (param->check_layout) {
+ if (param->fp_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)) {
+ found = (param->fp_lmd->lmd_lmm.lmm_pattern & param->fp_layout);
+ if ((param->fp_lmd->lmd_lmm.lmm_pattern == 0xFFFFFFFF) ||
+ (found && param->fp_exclude_layout) ||
+ (!found && !param->fp_exclude_layout)) {
decision = -1;
goto decided;
}
}
- /* If an OBD UUID is specified but none matches, skip this file. */
- if ((param->obduuid && param->obdindex == OBD_NOT_FOUND) ||
- (param->mdtuuid && param->mdtindex == OBD_NOT_FOUND))
- 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;
- }
- }
+ /* If an OBD UUID is specified but none matches, skip this file. */
+ if ((param->fp_obd_uuid && param->fp_obd_index == OBD_NOT_FOUND) ||
+ (param->fp_mdt_uuid && param->fp_mdt_index == OBD_NOT_FOUND))
+ goto decided;
+
+ /* If an OST or MDT UUID is given, and some OST matches,
+ * check it here. */
+ if (param->fp_obd_index != OBD_NOT_FOUND ||
+ param->fp_mdt_index != OBD_NOT_FOUND) {
+ if (param->fp_obd_uuid) {
+ if (check_obd_match(param)) {
+ /* If no mdtuuid is given, we are done.
+ * Otherwise, fall through to the mdtuuid
+ * check below. */
+ if (!param->fp_mdt_uuid)
+ goto obd_matches;
+ } else {
+ goto decided;
+ }
+ }
+
+ if (param->fp_mdt_uuid) {
+ if (check_mdt_match(param))
+ goto obd_matches;
+ goto decided;
+ }
+ }
+
obd_matches:
- if (param->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;
-
- /* empty requested pool is taken as no pool search => V1 */
- if (((param->lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V1) &&
- (param->poolname[0] == '\0')) ||
- ((param->lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V3) &&
- (strncmp(lmmv3->lmm_pool_name,
- param->poolname, LOV_MAXPOOLNAME) == 0)) ||
- ((param->lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V3) &&
- (strcmp(param->poolname, "*") == 0))) {
- if (param->exclude_pool)
- goto decided;
- } else {
- if (!param->exclude_pool)
- goto decided;
- }
- }
+ if (param->fp_check_pool) {
+ struct lov_user_md_v3 *lmmv3 = (void *)¶m->fp_lmd->lmd_lmm;
+
+ /* empty requested pool is taken as no pool search => V1 */
+ if (((param->fp_lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V1) &&
+ (param->fp_poolname[0] == '\0')) ||
+ ((param->fp_lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V3) &&
+ (strncmp(lmmv3->lmm_pool_name,
+ param->fp_poolname, LOV_MAXPOOLNAME) == 0)) ||
+ ((param->fp_lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V3) &&
+ (strcmp(param->fp_poolname, "*") == 0))) {
+ if (param->fp_exclude_pool)
+ goto decided;
+ } else {
+ if (!param->fp_exclude_pool)
+ goto decided;
+ }
+ }
- /* Check the time on mds. */
- decision = 1;
- if (param->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) &&
- param->lmd->lmd_lmm.lmm_stripe_count)
- : 0;
+ for_mds = lustre_fs ? (S_ISREG(st->st_mode) &&
+ param->fp_lmd->lmd_lmm.lmm_stripe_count)
+ : 0;
decision = find_time_check(st, param, for_mds);
if (decision == -1)
goto decided;
The regular stat is almost of the same speed as some new
'glimpse-size-ioctl'. */
- if (param->check_size && S_ISREG(st->st_mode) &&
- param->lmd->lmd_lmm.lmm_stripe_count)
+ if (param->fp_check_size && S_ISREG(st->st_mode) &&
+ param->fp_lmd->lmd_lmm.lmm_stripe_count)
decision = 0;
- while (!decision) {
+ if (param->fp_check_size && S_ISDIR(st->st_mode))
+ decision = 0;
+
+ if (!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) ||
- param->mdtindex != OBD_NOT_FOUND);
-
- if (param->obdindex != OBD_NOT_FOUND)
+ if (param->fp_obd_index != OBD_NOT_FOUND)
print_failed_tgt(param, path, LL_STATFS_LOV);
- if (param->mdtindex != OBD_NOT_FOUND)
+ if (param->fp_mdt_index != OBD_NOT_FOUND)
print_failed_tgt(param, path, LL_STATFS_LMV);
- if (dir) {
- ret = ioctl(dirfd(dir), IOC_LOV_GETINFO,
- (void *)param->lmd);
- } else if (parent) {
- ret = ioctl(dirfd(parent), IOC_LOV_GETINFO,
- (void *)param->lmd);
- }
+ if (dir != NULL)
+ ret = fstat_f(dirfd(dir), st);
+ else if (de != NULL)
+ ret = fstatat_f(dirfd(parent), de->d_name, st,
+ AT_SYMLINK_NOFOLLOW);
+ else
+ ret = lstat_f(path, st);
if (ret) {
if (errno == ENOENT) {
decision = find_time_check(st, param, 0);
if (decision == -1)
goto decided;
-
- break;
}
- if (param->check_size)
- decision = find_value_cmp(st->st_size, param->size,
- param->size_sign, param->exclude_size,
- param->size_units, 0);
+ if (param->fp_check_size)
+ decision = find_value_cmp(st->st_size, param->fp_size,
+ param->fp_size_sign,
+ param->fp_exclude_size,
+ param->fp_size_units, 0);
if (decision != -1) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", path);
- if (param->zeroend)
+ if (param->fp_zero_end)
llapi_printf(LLAPI_MSG_NORMAL, "%c", '\0');
else
llapi_printf(LLAPI_MSG_NORMAL, "\n");
decided:
/* Do not get down anymore? */
- if (param->depth == param->maxdepth)
- return 1;
+ if (param->fp_depth == param->fp_max_depth)
+ return 1;
- param->depth++;
- return 0;
+ param->fp_depth++;
+
+ return 0;
+}
+
+static int cb_migrate_mdt_init(char *path, DIR *parent, DIR **dirp,
+ void *param_data, struct dirent64 *de)
+{
+ struct find_param *param = (struct find_param *)param_data;
+ DIR *dir = parent;
+ char raw[OBD_MAX_IOCTL_BUFFER] = {'\0'};
+ char *rawbuf = raw;
+ struct obd_ioctl_data data = { 0 };
+ int fd;
+ int ret;
+ char *filename;
+
+ LASSERT(parent != NULL || dirp != NULL);
+ if (dirp != NULL)
+ closedir(*dirp);
+
+ if (parent == NULL) {
+ dir = opendir_parent(path);
+ if (dir == NULL) {
+ *dirp = NULL;
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "can not open %s", path);
+ return ret;
+ }
+ }
+
+ fd = dirfd(dir);
+
+ filename = basename(path);
+ data.ioc_inlbuf1 = (char *)filename;
+ data.ioc_inllen1 = strlen(filename) + 1;
+ data.ioc_inlbuf2 = (char *)¶m->fp_mdt_index;
+ data.ioc_inllen2 = sizeof(param->fp_mdt_index);
+ ret = obd_ioctl_pack(&data, &rawbuf, sizeof(raw));
+ if (ret != 0) {
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "llapi_obd_statfs: error packing ioctl data");
+ goto out;
+ }
+
+ ret = ioctl(fd, LL_IOC_MIGRATE, rawbuf);
+ if (ret != 0) {
+ ret = -errno;
+ fprintf(stderr, "%s migrate failed: %s (%d)\n",
+ path, strerror(-ret), ret);
+ goto out;
+ } else if (param->fp_verbose & VERBOSE_DETAIL) {
+ fprintf(stdout, "migrate %s to MDT%d\n",
+ path, param->fp_mdt_index);
+ }
+
+out:
+ if (dirp != NULL) {
+ /* If the directory is being migration, we need
+ * close the directory after migration,
+ * so the old directory cache will be cleanup
+ * on the client side, and re-open to get the
+ * new directory handle */
+ *dirp = opendir(path);
+ if (dirp == NULL) {
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "%s: Failed to open '%s'", __func__, path);
+ return ret;
+ }
+ }
+
+ if (parent == NULL)
+ closedir(dir);
+
+ return ret;
+}
+
+int llapi_migrate_mdt(char *path, struct find_param *param)
+{
+ return param_callback(path, cb_migrate_mdt_init, cb_common_fini, param);
+}
+
+int llapi_mv(char *path, struct find_param *param)
+{
+#if LUSTRE_VERSION_CODE > OBD_OCD_VERSION(2, 9, 53, 0)
+ static bool printed;
+
+ if (!printed) {
+ llapi_error(LLAPI_MSG_ERROR, -ESTALE,
+ "llapi_mv() is deprecated, use llapi_migrate_mdt()\n");
+ printed = true;
+ }
+#endif
+ return llapi_migrate_mdt(path, 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,
+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;
- int ret = 0;
- int mdtidx;
+ struct find_param *param = (struct find_param *)data;
+ DIR *d = dirp == NULL ? NULL : *dirp;
+ int ret;
+ int mdtidx;
- LASSERT(parent != NULL || d != NULL);
+ LASSERT(parent != NULL || d != NULL);
- if (d) {
- ret = llapi_file_fget_mdtidx(dirfd(d), &mdtidx);
- } else if (parent) {
- int fd;
+ if (d != NULL) {
+ ret = llapi_file_fget_mdtidx(dirfd(d), &mdtidx);
+ } else /* if (parent) */ {
+ int fd;
- fd = open(path, O_RDONLY);
- if (fd > 0) {
- ret = llapi_file_fget_mdtidx(fd, &mdtidx);
- close(fd);
- } else {
- ret = -errno;
- }
- }
+ fd = open(path, O_RDONLY | O_NOCTTY);
+ if (fd > 0) {
+ ret = llapi_file_fget_mdtidx(fd, &mdtidx);
+ close(fd);
+ } else {
+ ret = -errno;
+ }
+ }
- if (ret) {
- if (ret == -ENODATA) {
- if (!param->obduuid)
- llapi_printf(LLAPI_MSG_NORMAL,
- "%s has no stripe info\n", path);
- goto out;
- } else if (ret == -ENOENT) {
- llapi_error(LLAPI_MSG_WARN, ret,
- "warning: %s: %s does not exist",
- __func__, path);
- goto out;
- } else if (ret == -ENOTTY) {
- llapi_error(LLAPI_MSG_ERROR, ret,
- "%s: '%s' not on a Lustre fs?",
- __func__, path);
- } else {
- llapi_error(LLAPI_MSG_ERROR, ret,
- "error: %s: LL_IOC_GET_MDTIDX failed for %s",
- __func__, path);
- }
- return ret;
- }
+ if (ret != 0) {
+ if (ret == -ENODATA) {
+ if (!param->fp_obd_uuid)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "'%s' has no stripe info\n", path);
+ goto out;
+ } else if (ret == -ENOENT) {
+ llapi_error(LLAPI_MSG_WARN, ret,
+ "warning: %s: '%s' does not exist",
+ __func__, path);
+ goto out;
+ } else if (ret == -ENOTTY) {
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "%s: '%s' not on a Lustre fs",
+ __func__, path);
+ } else {
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "error: %s: '%s' failed get_mdtidx",
+ __func__, path);
+ }
+ 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);
+ if (param->fp_quiet || !(param->fp_verbose & VERBOSE_DETAIL))
+ llapi_printf(LLAPI_MSG_NORMAL, "%d\n", mdtidx);
+ else
+ 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 go 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,
+static int cb_getstripe(char *path, DIR *parent, DIR **dirp, void *data,
struct dirent64 *de)
{
struct find_param *param = (struct find_param *)data;
+ DIR *d = dirp == NULL ? NULL : *dirp;
int ret = 0;
LASSERT(parent != NULL || d != NULL);
- if (param->obduuid) {
- param->quiet = 1;
+ if (param->fp_obd_uuid) {
+ param->fp_quiet = 1;
ret = setup_obd_uuid(d ? d : parent, path, param);
if (ret)
return ret;
}
if (d) {
- if (param->get_lmv || param->get_default_lmv) {
+ if (param->fp_get_lmv || param->fp_get_default_lmv) {
ret = cb_get_dirstripe(path, d, param);
} else {
ret = ioctl(dirfd(d), LL_IOC_LOV_GETSTRIPE,
- (void *)¶m->lmd->lmd_lmm);
+ (void *)¶m->fp_lmd->lmd_lmm);
}
- } else if (parent) {
+ } else if (parent && !param->fp_get_lmv && !param->fp_get_default_lmv) {
char *fname = strrchr(path, '/');
fname = (fname == NULL ? path : fname + 1);
- 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);
+ strlcpy((char *)¶m->fp_lmd->lmd_lmm, fname,
+ param->fp_lum_size);
ret = ioctl(dirfd(parent), IOC_MDC_GETFILESTRIPE,
- (void *)¶m->lmd->lmd_lmm);
+ (void *)¶m->fp_lmd->lmd_lmm);
+ } else {
+ return 0;
}
if (ret) {
* 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) {
+ if (param->fp_get_default_lmv) {
struct lmv_user_md *lum = param->fp_lmv_md;
lum->lum_magic = LMV_USER_MAGIC;
lum->lum_stripe_count = 0;
lum->lum_stripe_offset = -1;
goto dump;
+ } else if (param->fp_get_lmv) {
+ struct lmv_user_md *lum = param->fp_lmv_md;
+ int mdtidx;
+
+ ret = llapi_file_fget_mdtidx(dirfd(d), &mdtidx);
+ if (ret != 0)
+ goto err_out;
+ lum->lum_magic = LMV_MAGIC_V1;
+ lum->lum_stripe_count = 0;
+ lum->lum_stripe_offset = mdtidx;
+ goto dump;
} else {
- struct lov_user_md *lmm = ¶m->lmd->lmd_lmm;
+ struct lov_user_md *lmm =
+ ¶m->fp_lmd->lmd_lmm;
+
lmm->lmm_magic = LOV_USER_MAGIC_V1;
- if (!param->raw)
+ if (!param->fp_raw)
ostid_set_seq(&lmm->lmm_oi,
FID_SEQ_LOV_DEFAULT);
lmm->lmm_stripe_count = 0;
goto dump;
}
} else if (errno == ENODATA && parent != NULL) {
- if (!param->obduuid && !param->mdtuuid)
+ if (!param->fp_obd_uuid && !param->fp_mdt_uuid)
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;
}
dump:
- if (!(param->verbose & VERBOSE_MDTINDEX))
+ if (!(param->fp_verbose & VERBOSE_MDTINDEX))
llapi_lov_dump_user_lmm(param, path, d ? 1 : 0);
out:
- /* Do not get down anymore? */
- if (param->depth == param->maxdepth)
- return 1;
+ /* Do not get down anymore? */
+ if (param->fp_depth == param->fp_max_depth)
+ return 1;
- param->depth++;
- return 0;
+ param->fp_depth++;
+
+ return 0;
}
int llapi_getstripe(char *path, struct find_param *param)
{
- return param_callback(path, (param->verbose & VERBOSE_MDTINDEX) ?
+ return param_callback(path, (param->fp_verbose & VERBOSE_MDTINDEX) ?
cb_get_mdt_index : cb_getstripe,
cb_common_fini, 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;
+ 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;
+ close(fd);
+ return rc;
}
#define MAX_STRING_SIZE 128
strstr(mnt->mnt_fsname, ":/") != NULL);
}
-int llapi_quotacheck(char *mnt, int check_type)
-{
- DIR *root;
- int rc;
-
- root = opendir(mnt);
- if (!root) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "open %s failed", mnt);
- return rc;
- }
-
- rc = ioctl(dirfd(root), LL_IOC_QUOTACHECK, check_type);
- if (rc < 0)
- rc = -errno;
-
- closedir(root);
- return rc;
-}
-
-int llapi_poll_quotacheck(char *mnt, struct if_quotacheck *qchk)
-{
- DIR *root;
- int poll_intvl = 2;
- int rc;
-
- root = opendir(mnt);
- if (!root) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "open %s failed", mnt);
- return rc;
- }
-
- while (1) {
- rc = ioctl(dirfd(root), LL_IOC_POLL_QUOTACHECK, qchk);
- if (!rc)
- break;
- sleep(poll_intvl);
- if (poll_intvl < 30)
- poll_intvl *= 2;
- }
-
- closedir(root);
- return 0;
-}
-
int llapi_quotactl(char *mnt, struct if_quotactl *qctl)
{
DIR *root;
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,
- struct dirent64 *de)
-{
- struct find_param *param = (struct find_param *)data;
- lstat_t *st;
- int rc;
-
- LASSERT(parent != NULL || d != NULL);
-
- rc = get_lmd_info(path, parent, d, param->lmd, param->lumlen);
- if (rc) {
- if (rc == -ENODATA) {
- if (!param->obduuid && !param->quiet)
- llapi_error(LLAPI_MSG_ERROR, -ENODATA,
- "%s has no stripe info", path);
- rc = 0;
- } else if (rc == -ENOENT) {
- rc = 0;
- }
- return rc;
- }
-
- st = ¶m->lmd->lmd_st;
-
- /* libc chown() will do extra check, and if the real owner is
- * the same as the ones to set, it won't fall into kernel, so
- * invoke syscall directly. */
- rc = syscall(SYS_chown, path, -1, -1);
- if (rc)
- llapi_error(LLAPI_MSG_ERROR, errno,
- "error: chown %s", path);
-
- rc = chmod(path, st->st_mode);
- if (rc) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "error: chmod %s (%hu)",
- path, st->st_mode);
- }
-
- return rc;
-}
-
-int llapi_quotachown(char *path, int flag)
-{
- struct find_param param;
-
- memset(¶m, 0, sizeof(param));
- param.recursive = 1;
- param.verbose = 0;
- param.quiet = 1;
-
- return param_callback(path, cb_quotachown, NULL, ¶m);
-}
-
#include <pwd.h>
#include <grp.h>
#include <mntent.h>
if (fd < 0) {
rc = -errno;
llapi_error(LLAPI_MSG_ERROR, rc,
- "Can't open '%s'\n", mnt->mnt_dir);
+ "Can't open '%s'", mnt->mnt_dir);
goto out;
}
if (rc < 0) {
rc = -errno;
llapi_error(LLAPI_MSG_ERROR, rc,
- "ioctl RMTACL on '%s' err %d\n",
+ "ioctl RMTACL on '%s' err %d",
mnt->mnt_dir, rc);
goto out;
}
if (output_func) {
if (pipe(fd) < 0) {
rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "Can't create pipe\n");
+ llapi_error(LLAPI_MSG_ERROR, rc, "Can't create pipe");
return rc;
}
pid = fork();
if (pid < 0) {
rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "Can't fork\n");
+ llapi_error(LLAPI_MSG_ERROR, rc, "Can't fork");
close(fd[0]);
close(fd[1]);
return rc;
if (dup2(fd[1], 1) < 0) {
rc = -errno;
llapi_error(LLAPI_MSG_ERROR, rc,
- "Can't dup2 %d\n", fd[1]);
+ "Can't dup2 %d", fd[1]);
close(fd[1]);
return rc;
}
fp = fdopen(fd[0], "r");
if (fp == NULL) {
rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "fdopen %d failed\n", fd[0]);
+ llapi_error(LLAPI_MSG_ERROR, rc, "fdopen %d failed", fd[0]);
kill(pid, SIGKILL);
close(fd[0]);
return rc;
if (waitpid(pid, &status, 0) < 0) {
rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "waitpid %d failed\n", pid);
+ llapi_error(LLAPI_MSG_ERROR, rc, "waitpid %d failed", pid);
return rc;
}
#define CHANGELOG_PRIV_MAGIC 0xCA8E1080
struct changelog_private {
- int magic;
- int flags;
- lustre_kernelcomm kuc;
+ int magic;
+ enum changelog_send_flag flags;
+ struct lustre_kernelcomm kuc;
};
/** Start reading from a changelog
* @param startrec Report changes beginning with this record number
* (just call llapi_changelog_fini when done; don't need an endrec)
*/
-int llapi_changelog_start(void **priv, int flags, const char *device,
- long long startrec)
+int llapi_changelog_start(void **priv, enum changelog_send_flag flags,
+ const char *device, long long startrec)
{
- struct changelog_private *cp;
- int rc;
+ struct changelog_private *cp;
+ static bool warned;
+ int rc;
- /* Set up the receiver control struct */
- cp = calloc(1, sizeof(*cp));
- if (cp == NULL)
- return -ENOMEM;
+ /* Set up the receiver control struct */
+ cp = calloc(1, sizeof(*cp));
+ if (cp == NULL)
+ return -ENOMEM;
- cp->magic = CHANGELOG_PRIV_MAGIC;
- cp->flags = flags;
+ cp->magic = CHANGELOG_PRIV_MAGIC;
+ cp->flags = flags;
- /* Set up the receiver */
- rc = libcfs_ukuc_start(&cp->kuc, 0 /* no group registration */);
- if (rc < 0)
- goto out_free;
+ /* Set up the receiver */
+ rc = libcfs_ukuc_start(&cp->kuc, 0 /* no group registration */, 0);
+ if (rc < 0)
+ goto out_free;
- *priv = cp;
+ *priv = cp;
- /* Tell the kernel to start sending */
- rc = changelog_ioctl(device, OBD_IOC_CHANGELOG_SEND, cp->kuc.lk_wfd,
- startrec, flags);
- /* Only the kernel reference keeps the write side open */
- close(cp->kuc.lk_wfd);
- cp->kuc.lk_wfd = LK_NOFD;
- if (rc < 0) {
- /* frees and clears priv */
- llapi_changelog_fini(priv);
- return rc;
- }
+ /* CHANGELOG_FLAG_JOBID will eventually become mandatory. Display a
+ * warning if it's missing. */
+ if (!(flags & CHANGELOG_FLAG_JOBID) && !warned) {
+ llapi_err_noerrno(LLAPI_MSG_WARN, "warning: %s() called "
+ "w/o CHANGELOG_FLAG_JOBID", __func__);
+ warned = true;
+ }
- return 0;
+ /* Tell the kernel to start sending */
+ rc = changelog_ioctl(device, OBD_IOC_CHANGELOG_SEND, cp->kuc.lk_wfd,
+ startrec, flags);
+ /* Only the kernel reference keeps the write side open */
+ close(cp->kuc.lk_wfd);
+ cp->kuc.lk_wfd = LK_NOFD;
+ if (rc < 0) {
+ /* frees and clears priv */
+ llapi_changelog_fini(priv);
+ return rc;
+ }
+
+ return 0;
out_free:
- free(cp);
- return rc;
+ free(cp);
+ return rc;
}
/** Finish reading from a changelog */
return 0;
}
-/** Convert 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.
+/**
+ * Convert all records to a same format according to the caller's wishes.
+ * Default is CLF_VERSION | CLF_RENAME.
+ * Add CLF_JOBID if explicitely requested.
+ *
+ * \param rec The record to remap. It is expected to be big enough to
+ * properly handle the final format.
+ * \return 1 if anything changed. 0 otherwise.
*/
-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_ext_rec **rech)
+#define DEFAULT_RECORD_FMT (CLF_VERSION | CLF_RENAME)
+int llapi_changelog_recv(void *priv, struct changelog_rec **rech)
{
- struct changelog_private *cp = (struct changelog_private *)priv;
- struct kuc_hdr *kuch;
- int rc = 0;
+ struct changelog_private *cp = (struct changelog_private *)priv;
+ struct kuc_hdr *kuch;
+ enum changelog_rec_flags rec_fmt = DEFAULT_RECORD_FMT;
+ int rc = 0;
if (!cp || (cp->magic != CHANGELOG_PRIV_MAGIC))
return -EINVAL;
if (kuch == NULL)
return -ENOMEM;
+ if (cp->flags & CHANGELOG_FLAG_JOBID)
+ rec_fmt |= CLF_JOBID;
+
repeat:
rc = libcfs_ukuc_msg_get(&cp->kuc, (char *)kuch,
KUC_CHANGELOG_MSG_MAXSIZE,
}
}
- /* 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);
+ /* Our message is a changelog_rec. Use pointer math to skip
+ * kuch_hdr and point directly to the message payload. */
+ *rech = (struct changelog_rec *)(kuch + 1);
+ changelog_remap_rec(*rech, rec_fmt);
return 0;
}
/** Release the changelog record when done with it. */
-int llapi_changelog_free(struct changelog_ext_rec **rech)
+int llapi_changelog_free(struct changelog_rec **rech)
{
if (*rech) {
/* We allocated memory starting at the kuc_hdr, but passed
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 0;
}
+int llapi_get_mdt_index_by_fid(int fd, const lustre_fid *fid,
+ int *mdt_index)
+{
+ int rc;
+
+ rc = ioctl(fd, LL_IOC_FID2MDTIDX, fid);
+ if (rc < 0)
+ return -errno;
+
+ *mdt_index = rc;
+
+ return rc;
+}
+
int llapi_fd2fid(const int fd, lustre_fid *fid)
{
int rc;
return rc;
}
+int llapi_fd2parent(int fd, unsigned int linkno, lustre_fid *parent_fid,
+ char *name, size_t name_size)
+{
+ struct getparent *gp;
+ int rc;
+
+ gp = malloc(sizeof(*gp) + name_size);
+ if (gp == NULL)
+ return -ENOMEM;
+
+ gp->gp_linkno = linkno;
+ gp->gp_name_size = name_size;
+
+ rc = ioctl(fd, LL_IOC_GETPARENT, gp);
+ if (rc < 0) {
+ rc = -errno;
+ goto err_free;
+ }
+
+ *parent_fid = gp->gp_fid;
+
+ strncpy(name, gp->gp_name, name_size);
+ name[name_size - 1] = '\0';
+
+err_free:
+ free(gp);
+ return rc;
+}
+
+int llapi_path2parent(const char *path, unsigned int linkno,
+ lustre_fid *parent_fid, char *name, size_t name_size)
+{
+ int fd;
+ int rc;
+
+ fd = open(path, O_RDONLY | O_NONBLOCK | O_NOFOLLOW);
+ if (fd < 0)
+ return -errno;
+
+ rc = llapi_fd2parent(fd, linkno, parent_fid, name, name_size);
+ close(fd);
+ return rc;
+}
+
int llapi_get_connect_flags(const char *mnt, __u64 *flags)
{
DIR *root;
}
/*
- * 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
+ * Create a file without any name open it for read/write
+ *
+ * - file is created as if it were a standard file in the given \a directory
+ * - file does not appear in \a directory and mtime does not change because
+ * the filename is handled specially by the Lustre MDS.
+ * - file is removed at final close
+ * - file modes are rw------- since it doesn't make sense to have a read-only
+ * or write-only file that cannot be opened again.
+ * - if user wants another mode it must use fchmod() on the open file, no
+ * security problems arise because it cannot be opened by another process.
+ *
+ * \param[in] directory directory from which to inherit layout/MDT idx
+ * \param[in] idx MDT index on which the file is created,
+ * \a idx == -1 means no specific MDT is requested
+ * \param[in] open_flags standard open(2) flags
*
* \retval 0 on success.
* \retval -errno on error.
char file_path[PATH_MAX];
char filename[PATH_MAX];
int fd;
- int random;
+ int rnumber;
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;
- }
+ rnumber = random();
if (idx == -1)
snprintf(filename, sizeof(filename),
- LUSTRE_VOLATILE_HDR"::%.4X", random);
+ LUSTRE_VOLATILE_HDR"::%.4X", rnumber);
else
snprintf(filename, sizeof(filename),
- LUSTRE_VOLATILE_HDR":%.4X:%.4X", idx, random);
+ LUSTRE_VOLATILE_HDR":%.4X:%.4X", idx, rnumber);
rc = snprintf(file_path, sizeof(file_path),
"%s/%s", directory, filename);
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",
+ "Cannot create volatile file '%s' in '%s'",
filename + LUSTRE_VOLATILE_HDR_LEN,
directory);
return -errno;
}
+ /* unlink file in case this wasn't a Lustre filesystem, and the
+ * magic volatile filename wasn't handled as intended. The effect
+ * is the same. */
+ unlink(file_path);
+
return fd;
}
/**
* Swap the layouts between 2 file descriptors
- * the 2 files must be open in write
+ * the 2 files must be open for writing
* 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)
+int llapi_fswap_layouts_grouplock(int fd1, int fd2, __u64 dv1, __u64 dv2,
+ int gid, __u64 flags)
{
- struct lustre_swap_layouts lsl;
- int rc;
-
- srandom(time(NULL));
+ struct lustre_swap_layouts lsl;
+ struct stat st1;
+ struct stat st2;
+ int rc;
+
+ if (flags & (SWAP_LAYOUTS_KEEP_ATIME | SWAP_LAYOUTS_KEEP_MTIME)) {
+ rc = fstat(fd1, &st1);
+ if (rc < 0)
+ return -errno;
+
+ rc = fstat(fd2, &st2);
+ if (rc < 0)
+ return -errno;
+ }
lsl.sl_fd = fd2;
lsl.sl_flags = flags;
- lsl.sl_gid = random();
+ lsl.sl_gid = gid;
lsl.sl_dv1 = dv1;
lsl.sl_dv2 = dv2;
rc = ioctl(fd1, LL_IOC_LOV_SWAP_LAYOUTS, &lsl);
- if (rc)
- rc = -errno;
- return rc;
+ if (rc < 0)
+ return -errno;
+
+ if (flags & (SWAP_LAYOUTS_KEEP_ATIME | SWAP_LAYOUTS_KEEP_MTIME)) {
+ struct timeval tv1[2];
+ struct timeval tv2[2];
+
+ memset(tv1, 0, sizeof(tv1));
+ memset(tv2, 0, sizeof(tv2));
+
+ if (flags & SWAP_LAYOUTS_KEEP_ATIME) {
+ tv1[0].tv_sec = st1.st_atime;
+ tv2[0].tv_sec = st2.st_atime;
+ } else {
+ tv1[0].tv_sec = st2.st_atime;
+ tv2[0].tv_sec = st1.st_atime;
+ }
+
+ if (flags & SWAP_LAYOUTS_KEEP_MTIME) {
+ tv1[1].tv_sec = st1.st_mtime;
+ tv2[1].tv_sec = st2.st_mtime;
+ } else {
+ tv1[1].tv_sec = st2.st_mtime;
+ tv2[1].tv_sec = st1.st_mtime;
+ }
+
+ rc = futimes(fd1, tv1);
+ if (rc < 0)
+ return -errno;
+
+ rc = futimes(fd2, tv2);
+ if (rc < 0)
+ return -errno;
+ }
+
+ return 0;
+}
+
+int llapi_fswap_layouts(int fd1, int fd2, __u64 dv1, __u64 dv2, __u64 flags)
+{
+ int rc;
+ int grp_id;
+
+ do
+ grp_id = random();
+ while (grp_id == 0);
+
+ rc = llapi_fswap_layouts_grouplock(fd1, fd2, dv1, dv2, grp_id, flags);
+ if (rc < 0)
+ return rc;
+
+ return 0;
}
/**
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",
+ "error: cannot swap layout between '%s' and '%s'",
path1, path2);
close(fd2);
out:
return rc;
}
+
+/**
+ * Attempt to open a file with Lustre file identifier \a fid
+ * and return an open file descriptor.
+ *
+ * \param[in] lustre_dir path within Lustre filesystem containing \a fid
+ * \param[in] fid Lustre file identifier of file to open
+ * \param[in] flags open() flags
+ *
+ * \retval non-negative file descriptor on successful open
+ * \retval -1 if an error occurred
+ */
+int llapi_open_by_fid(const char *lustre_dir, const lustre_fid *fid, int flags)
+{
+ char mntdir[PATH_MAX];
+ char path[PATH_MAX];
+ int rc;
+
+ rc = llapi_search_mounts(lustre_dir, 0, mntdir, NULL);
+ if (rc != 0)
+ return -1;
+
+ snprintf(path, sizeof(path), "%s/.lustre/fid/"DFID, mntdir, PFID(fid));
+ return open(path, flags);
+}
+
+/**
+ * Take group lock.
+ *
+ * \param fd File to lock.
+ * \param gid Group Identifier.
+ *
+ * \retval 0 on success.
+ * \retval -errno on failure.
+ */
+int llapi_group_lock(int fd, int gid)
+{
+ int rc;
+
+ rc = ioctl(fd, LL_IOC_GROUP_LOCK, gid);
+ if (rc < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "cannot get group lock");
+ }
+ return rc;
+}
+
+/**
+ * Put group lock.
+ *
+ * \param fd File to unlock.
+ * \param gid Group Identifier.
+ *
+ * \retval 0 on success.
+ * \retval -errno on failure.
+ */
+int llapi_group_unlock(int fd, int gid)
+{
+ int rc;
+
+ rc = ioctl(fd, LL_IOC_GROUP_UNLOCK, gid);
+ if (rc < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "cannot put group lock");
+ }
+ return rc;
+}