*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2014, Intel Corporation.
+ * Copyright (c) 2011, 2016, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define _GNU_SOURCE
#endif
+#include <ctype.h>
#include <mntent.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <sys/stat.h>
#include <sys/statfs.h>
-#include <sys/types.h>
#include <sys/syscall.h>
+#include <sys/time.h>
+#include <sys/types.h>
#include <sys/xattr.h>
+#include <time.h>
#include <fnmatch.h>
-#include <glob.h>
#include <libgen.h> /* for dirname() */
#ifdef HAVE_LINUX_UNISTD_H
#include <linux/unistd.h>
#endif
#include <poll.h>
+#include <libcfs/util/ioctl.h>
+#include <libcfs/util/param.h>
#include <libcfs/util/string.h>
-#include <libcfs/libcfs.h>
#include <lnet/lnetctl.h>
#include <lustre/lustreapi.h>
-#include <lustre_ioctl.h>
+#include <linux/lustre_ostid.h>
+#include <linux/lustre_ioctl.h>
#include "lustreapi_internal.h"
static int llapi_msg_level = LLAPI_MSG_MAX;
+char *mdt_hash_name[] = { "none",
+ LMV_HASH_NAME_ALL_CHARS,
+ LMV_HASH_NAME_FNV_1A_64 };
+
void llapi_msg_set_level(int level)
{
/* ensure level is in the good range */
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' &&
- (*size & (~0ULL << (64 - 9))) == 0 &&
- !bytes_spec) {
- *size_units = 1 << 9;
- } else if ((*end == 'b') &&
- *(end + 1) == '\0' &&
- bytes_spec) {
- *size_units = 1;
- } else if ((*end == 'k' || *end == 'K') &&
- *(end + 1) == '\0' &&
- (*size & (~0ULL << (64 - 10))) == 0) {
- *size_units = 1 << 10;
- } else if ((*end == 'm' || *end == 'M') &&
- *(end + 1) == '\0' &&
- (*size & (~0ULL << (64 - 20))) == 0) {
- *size_units = 1 << 20;
- } else if ((*end == 'g' || *end == 'G') &&
- *(end + 1) == '\0' &&
- (*size & (~0ULL << (64 - 30))) == 0) {
- *size_units = 1 << 30;
- } else if ((*end == 't' || *end == 'T') &&
- *(end + 1) == '\0' &&
- (*size & (~0ULL << (64 - 40))) == 0) {
- *size_units = 1ULL << 40;
- } else if ((*end == 'p' || *end == 'P') &&
- *(end + 1) == '\0' &&
- (*size & (~0ULL << (64 - 50))) == 0) {
- *size_units = 1ULL << 50;
- } else if ((*end == 'e' || *end == 'E') &&
- *(end + 1) == '\0' &&
- (*size & (~0ULL << (64 - 60))) == 0) {
- *size_units = 1ULL << 60;
- } else {
- return -1;
- }
- }
- *size *= *size_units;
- return 0;
+ char *end;
+ char *argbuf = (char *)optarg;
+ unsigned long long frac = 0, frac_d = 1;
+
+ if (strncmp(optarg, "-", 1) == 0)
+ return -1;
+
+ if (*size_units == 0)
+ *size_units = 1;
+
+ *size = strtoull(argbuf, &end, 0);
+ if (end != NULL && *end == '.') {
+ int i;
+
+ argbuf = end + 1;
+ frac = strtoull(argbuf, &end, 10);
+ /* count decimal places */
+ for (i = 0; i < (end - argbuf); i++)
+ frac_d *= 10;
+ }
+
+ if (*end != '\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' &&
+ bytes_spec) {
+ *size_units = 1;
+ } else if ((*end == 'k' || *end == 'K') &&
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 10))) == 0) {
+ *size_units = 1 << 10;
+ } else if ((*end == 'm' || *end == 'M') &&
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 20))) == 0) {
+ *size_units = 1 << 20;
+ } else if ((*end == 'g' || *end == 'G') &&
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 30))) == 0) {
+ *size_units = 1 << 30;
+ } else if ((*end == 't' || *end == 'T') &&
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 40))) == 0) {
+ *size_units = 1ULL << 40;
+ } else if ((*end == 'p' || *end == 'P') &&
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 50))) == 0) {
+ *size_units = 1ULL << 50;
+ } else if ((*end == 'e' || *end == 'E') &&
+ *(end + 1) == '\0' &&
+ (*size & (~0ULL << (64 - 60))) == 0) {
+ *size_units = 1ULL << 60;
+ } else {
+ return -1;
+ }
+ }
+ *size = *size * *size_units + frac * *size_units / frac_d;
+
+ return 0;
+}
+
+int obd_ioctl_pack(struct obd_ioctl_data *data, char **pbuf, int max_len)
+{
+ struct obd_ioctl_data *overlay;
+ char *ptr;
+
+ data->ioc_len = obd_ioctl_packlen(data);
+ data->ioc_version = OBD_IOCTL_VERSION;
+
+ if (*pbuf != NULL && data->ioc_len > max_len) {
+ fprintf(stderr, "pbuf = %p, ioc_len = %u, max_len = %d\n",
+ *pbuf, data->ioc_len, max_len);
+ return -EINVAL;
+ }
+
+ if (*pbuf == NULL)
+ *pbuf = malloc(data->ioc_len);
+
+ if (*pbuf == NULL)
+ return -ENOMEM;
+
+ overlay = (struct obd_ioctl_data *)*pbuf;
+ memcpy(*pbuf, data, sizeof(*data));
+
+ ptr = overlay->ioc_bulk;
+ if (data->ioc_inlbuf1) {
+ memcpy(ptr, data->ioc_inlbuf1, data->ioc_inllen1);
+ ptr += cfs_size_round(data->ioc_inllen1);
+ }
+
+ if (data->ioc_inlbuf2) {
+ memcpy(ptr, data->ioc_inlbuf2, data->ioc_inllen2);
+ ptr += cfs_size_round(data->ioc_inllen2);
+ }
+
+ if (data->ioc_inlbuf3) {
+ memcpy(ptr, data->ioc_inlbuf3, data->ioc_inllen3);
+ ptr += cfs_size_round(data->ioc_inllen3);
+ }
+
+ if (data->ioc_inlbuf4) {
+ memcpy(ptr, data->ioc_inlbuf4, data->ioc_inllen4);
+ ptr += cfs_size_round(data->ioc_inllen4);
+ }
+
+ return 0;
+}
+
+int obd_ioctl_unpack(struct obd_ioctl_data *data, char *pbuf, int max_len)
+{
+ struct obd_ioctl_data *overlay;
+ char *ptr;
+
+ if (pbuf == NULL)
+ return 1;
+
+ overlay = (struct obd_ioctl_data *)pbuf;
+
+ /* Preserve the caller's buffer pointers */
+ overlay->ioc_inlbuf1 = data->ioc_inlbuf1;
+ overlay->ioc_inlbuf2 = data->ioc_inlbuf2;
+ overlay->ioc_inlbuf3 = data->ioc_inlbuf3;
+ overlay->ioc_inlbuf4 = data->ioc_inlbuf4;
+
+ memcpy(data, pbuf, sizeof(*data));
+
+ ptr = overlay->ioc_bulk;
+ if (data->ioc_inlbuf1) {
+ memcpy(data->ioc_inlbuf1, ptr, data->ioc_inllen1);
+ ptr += cfs_size_round(data->ioc_inllen1);
+ }
+
+ if (data->ioc_inlbuf2) {
+ memcpy(data->ioc_inlbuf2, ptr, data->ioc_inllen2);
+ ptr += cfs_size_round(data->ioc_inllen2);
+ }
+
+ if (data->ioc_inlbuf3) {
+ memcpy(data->ioc_inlbuf3, ptr, data->ioc_inllen3);
+ ptr += cfs_size_round(data->ioc_inllen3);
+ }
+
+ if (data->ioc_inlbuf4) {
+ memcpy(data->ioc_inlbuf4, ptr, data->ioc_inllen4);
+ ptr += cfs_size_round(data->ioc_inllen4);
+ }
+
+ return 0;
}
/* XXX: llapi_xxx() functions return negative values upon failure */
stripe_size, page_size);
return rc;
}
- if (!llapi_stripe_offset_is_valid(stripe_offset)) {
+ if (!llapi_stripe_index_is_valid(stripe_offset)) {
rc = -EINVAL;
llapi_error(LLAPI_MSG_ERROR, rc, "error: bad stripe offset %d",
stripe_offset);
return 0;
}
-/* return the first file matching this pattern */
-static int first_match(char *pattern, char *buffer)
-{
- glob_t glob_info;
-
- if (glob(pattern, GLOB_BRACE, NULL, &glob_info))
- return -ENOENT;
-
- if (glob_info.gl_pathc < 1) {
- globfree(&glob_info);
- return -ENOENT;
- }
-
- strcpy(buffer, glob_info.gl_pathv[0]);
-
- globfree(&glob_info);
- return 0;
-}
-
-static int find_target_obdpath(char *fsname, char *path)
-{
- glob_t glob_info;
- char pattern[PATH_MAX + 1];
- int rc;
-
- snprintf(pattern, PATH_MAX,
- "/proc/fs/lustre/lov/%s-*/target_obd",
- fsname);
- rc = glob(pattern, GLOB_BRACE, NULL, &glob_info);
- if (rc == GLOB_NOMATCH)
- return -ENODEV;
- else if (rc)
- return -EINVAL;
-
- strcpy(path, glob_info.gl_pathv[0]);
- globfree(&glob_info);
- return 0;
-}
-
-static int find_poolpath(char *fsname, char *poolname, char *poolpath)
-{
- glob_t glob_info;
- char pattern[PATH_MAX + 1];
- int rc;
-
- snprintf(pattern, PATH_MAX,
- "/proc/fs/lustre/lov/%s-*/pools/%s",
- fsname, poolname);
- rc = glob(pattern, GLOB_BRACE, NULL, &glob_info);
- /* If no pools, make sure the lov is available */
- if ((rc == GLOB_NOMATCH) &&
- (find_target_obdpath(fsname, poolpath) == -ENODEV))
- return -ENODEV;
- if (rc)
- return -EINVAL;
-
- strcpy(poolpath, glob_info.gl_pathv[0]);
- globfree(&glob_info);
- return 0;
-}
-
/*
* Trim a trailing newline from a string, if it exists.
*/
return '\n';
}
-/**
- * return a parameter string for a specific device type or mountpoint
- *
- * \param param_path the path to the file containing parameter data
- * \param result buffer for parameter value string
- * \param result_size size of buffer for return value
- *
- * The \param param_path is appended to /proc/{fs,sys}/{lnet,lustre} to
- * complete the absolute path to the file containing the parameter data
- * the user is requesting. If that file exist then the data is read from
- * the file and placed into the \param result buffer that is passed by
- * the user. Data is only copied up to the \param result_size to prevent
- * overflow of the array.
- *
- * Return 0 for success, with a NUL-terminated string in \param result.
- * Return -ve value for error.
- */
-int get_param(const char *param_path, char *result,
- unsigned int result_size)
-{
- char file[PATH_MAX + 1], pattern[PATH_MAX + 1], buf[result_size];
- FILE *fp = NULL;
- int rc = 0;
-
- snprintf(pattern, PATH_MAX, "/proc/{fs,sys}/{lnet,lustre}/%s",
- param_path);
- rc = first_match(pattern, file);
- if (rc != 0 || result == NULL)
- return rc;
-
- fp = fopen(file, "r");
- if (fp != NULL) {
- while (fgets(buf, result_size, fp) != NULL)
- strcpy(result, buf);
- fclose(fp);
- } else {
- rc = -errno;
- }
- return rc;
-}
-
-#define DEVICES_LIST "/proc/fs/lustre/devices"
-
-/**
- * return a parameter string for a specific device type or mountpoint
- *
- * \param fsname Lustre filesystem name (optional)
- * \param file_path path to file in filesystem (optional, if fsname unset)
- * \param obd_type Lustre OBD device type
- * \param param_name parameter name to fetch
- * \param value return buffer for parameter value string
- * \param val_len size of buffer for return value
- *
- * If fsname is specified then the parameter will be from that filesystem
- * (if it exists). If file_path is given and it is in a mounted Lustre
- * filesystem, then the parameter will be otherwise the value may be
- * from any mounted filesystem (if there is more than one).
- *
- * If "obd_type" matches a Lustre device then the first matching device
- * (as with "lctl dl", constrained by \param fsname or \param mount_path)
- * will be used to provide the return value, otherwise the first such
- * device found will be used.
- *
- * Return 0 for success, with a NUL-terminated string in \param buffer.
- * Return -ve value for error.
- */
-static int get_param_obdvar(const char *fsname, const char *file_path,
- const char *obd_type, const char *param_name,
- char *value, unsigned int val_len)
-{
- char devices[PATH_MAX];
- char dev[PATH_MAX] = "*";
- char fs[PATH_MAX];
- FILE *fp = NULL;
- int rc = 0;
-
- fp = fopen(DEVICES_LIST, "r");
- if (fp == NULL) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "error: opening "DEVICES_LIST);
- goto out;
- }
-
- if (fsname == NULL && file_path != NULL) {
- rc = llapi_search_fsname(file_path, fs);
- if (rc) {
- llapi_error(LLAPI_MSG_ERROR, rc,
- "'%s' is not on a Lustre filesystem",
- file_path);
- goto out;
- }
- } else if (fsname != NULL) {
- rc = strlcpy(fs, fsname, sizeof(fs));
- if (rc >= sizeof(fs)) {
- rc = -E2BIG;
- goto out;
- }
- }
-
- while (fgets(devices, sizeof(devices) - 1, fp) != NULL) {
- char *bufp = devices, *tmp;
-
- devices[sizeof(devices) - 1] = '\0';
- while (bufp[0] == ' ')
- ++bufp;
-
- tmp = strstr(bufp, obd_type);
- if (tmp != NULL) {
- tmp += strlen(obd_type) + 1;
- if (strcmp(tmp, fs))
- continue;
- rc = strlcpy(dev, tmp, sizeof(dev));
- if (rc >= sizeof(dev)) {
- rc = -E2BIG;
- goto out;
- }
-
- tmp = strchr(dev, ' ');
- if (tmp != NULL)
- *tmp = '\0';
- break;
- }
- }
-
- if (dev[0] == '*' && strlen(fs)) {
- rc = snprintf(dev, sizeof(dev), "%s-*", fs);
- if (rc >= sizeof(dev)) {
- rc = -E2BIG;
- goto out;
- }
- }
- rc = snprintf(devices, sizeof(devices), "%s/%s/%s", obd_type, dev,
- param_name);
- if (rc >= sizeof(devices)) {
- rc = -E2BIG;
- goto out;
- }
-
- fclose(fp);
- return get_param(devices, value, val_len);
-out:
- if (fp != NULL)
- fclose(fp);
- return rc;
-}
-
/*
- * TYPE one of llite, lmv, lov.
- * /proc/fs/lustre/TYPE/INST the directory of interest.
+ * Wrapper to grab parameter settings for lov.*-clilov-*.* values
*/
-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)
+static int get_param_lov(const char *path, const char *param,
+ char *buf, size_t buf_size)
{
struct obd_uuid uuid;
int rc;
if (rc != 0)
return rc;
- return get_param_cli("lov", uuid.uuid, param, buf, buf_size);
+ return get_lustre_param_value("lov", uuid.uuid, FILTER_BY_EXACT, param,
+ buf, buf_size);
}
-static int get_param_lmv(const char *path,
- const char *param, char *buf, size_t buf_size)
+/*
+ * Wrapper to grab parameter settings for lmv.*-clilov-*.* values
+ */
+static int get_param_lmv(const char *path, const char *param,
+ char *buf, size_t buf_size)
{
struct obd_uuid uuid;
int rc;
if (rc != 0)
return rc;
- return get_param_cli("lmv", uuid.uuid, param, buf, buf_size);
+ return get_lustre_param_value("lmv", uuid.uuid, FILTER_BY_EXACT, param,
+ buf, buf_size);
}
static int get_mds_md_size(const char *path)
{
+ char buf[PATH_MAX], inst[PATH_MAX];
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));
+ rc = llapi_getname(path, inst, sizeof(inst));
if (rc != 0)
- goto out;
+ return md_size;
+
+ /* Get the max ea size from llite parameters. */
+ rc = get_lustre_param_value("llite", inst, FILTER_BY_EXACT,
+ "max_easize", buf, sizeof(buf));
+ if (rc != 0)
+ return md_size;
rc = atoi(buf);
- if (rc > 0)
- md_size = rc;
-out:
- return md_size;
+ return rc > 0 ? rc : md_size;
}
int llapi_get_agent_uuid(char *path, char *buf, size_t bufsize)
*/
int llapi_search_ost(char *fsname, char *poolname, char *ostname)
{
- FILE *fd;
- char buffer[PATH_MAX + 1];
- int len = 0, rc;
+ char buffer[PATH_MAX];
+ size_t len = 0;
+ glob_t param;
+ FILE *fd;
+ int rc;
- if (ostname != NULL)
- len = strlen(ostname);
+ /* You need one or the other */
+ if (poolname == NULL && fsname == NULL)
+ return -EINVAL;
- if (poolname == NULL) {
- if (len == 0)
- rc = -EINVAL;
- else
- rc = find_target_obdpath(fsname, buffer);
+ if (ostname != NULL)
+ len = strlen(ostname);
+
+ if (poolname == NULL && len == 0)
+ return -EINVAL;
+
+ /* Search by poolname and fsname if is not NULL */
+ if (poolname != NULL) {
+ rc = poolpath(¶m, fsname, NULL);
+ if (rc == 0) {
+ snprintf(buffer, sizeof(buffer), "%s/%s",
+ param.gl_pathv[0], poolname);
+ }
+ } else if (fsname != NULL) {
+ rc = get_lustre_param_path("lov", fsname,
+ FILTER_BY_FS_NAME,
+ "target_obd", ¶m);
+ if (rc == 0) {
+ strncpy(buffer, param.gl_pathv[0],
+ sizeof(buffer));
+ }
} else {
- rc = find_poolpath(fsname, poolname, buffer);
+ return -EINVAL;
}
- if (rc)
- return rc;
+ cfs_free_param_data(¶m);
+ if (rc)
+ return rc;
fd = fopen(buffer, "r");
if (fd == NULL)
errmsg = strerror(errno);
llapi_err_noerrno(LLAPI_MSG_ERROR,
- "error on ioctl "LPX64" for '%s' (%d): %s",
- (__u64)LL_IOC_LOV_SETSTRIPE, name, fd,
+ "error on ioctl %#jx for '%s' (%d): %s",
+ (uintmax_t)LL_IOC_LOV_SETSTRIPE, name, fd,
errmsg);
close(fd);
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,
+ "error on ioctl %#jx for '%s' (%d): %s",
+ (uintmax_t)LL_IOC_LMV_SETSTRIPE, filename,
fd, errmsg);
}
out:
*/
int get_root_path(int want, char *fsname, int *outfd, char *path, int index)
{
- struct mntent mnt;
- char buf[PATH_MAX], mntdir[PATH_MAX];
- char *ptr;
- FILE *fp;
- int idx = 0, len = 0, mntlen, fd;
- int rc = -ENODEV;
+ struct mntent mnt;
+ char buf[PATH_MAX], mntdir[PATH_MAX];
+ char *ptr, *ptr_end;
+ FILE *fp;
+ int idx = 0, len = 0, mntlen, fd;
+ int rc = -ENODEV;
/* get the mount point */
- fp = setmntent(MOUNTED, "r");
- if (fp == NULL) {
- rc = -EIO;
- llapi_error(LLAPI_MSG_ERROR, rc,
- "setmntent(%s) failed", MOUNTED);
- return rc;
- }
+ fp = setmntent(PROC_MOUNTS, "r");
+ if (fp == NULL) {
+ rc = -EIO;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "setmntent(%s) failed", PROC_MOUNTS);
+ return rc;
+ }
while (1) {
if (getmntent_r(fp, &mnt, buf, sizeof(buf)) == NULL)
break;
continue;
mntlen = strlen(mnt.mnt_dir);
- ptr = strrchr(mnt.mnt_fsname, '/');
+ ptr = strchr(mnt.mnt_fsname, '/');
+ while (ptr && *ptr == '/')
+ ptr++;
/* 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++;
+ ptr_end = ptr;
+ while (*ptr_end != '/' && *ptr_end != '\0')
+ ptr_end++;
- /* Check the fsname for a match, if given */
+ /* Check the fsname for a match, if given */
if (!(want & WANT_FSNAME) && fsname != NULL &&
- (strlen(fsname) > 0) && (strcmp(ptr, fsname) != 0))
+ (strlen(fsname) > 0) &&
+ (strncmp(ptr, fsname, ptr_end - ptr) != 0))
continue;
/* If the path isn't set return the first one we find */
- if (path == NULL || strlen(path) == 0) {
- strcpy(mntdir, mnt.mnt_dir);
- if ((want & WANT_FSNAME) && fsname != NULL)
- strcpy(fsname, ptr);
- rc = 0;
- break;
- /* Otherwise find the longest matching path */
- } else if ((strlen(path) >= mntlen) && (mntlen >= len) &&
- (strncmp(mnt.mnt_dir, path, mntlen) == 0)) {
- strcpy(mntdir, mnt.mnt_dir);
- len = mntlen;
- if ((want & WANT_FSNAME) && fsname != NULL)
- strcpy(fsname, ptr);
- rc = 0;
- }
- }
- endmntent(fp);
-
- /* Found it */
- if (rc == 0) {
- if ((want & WANT_PATH) && path != NULL)
- strcpy(path, mntdir);
- if (want & WANT_FD) {
- fd = open(mntdir, O_RDONLY | O_DIRECTORY | O_NONBLOCK);
- if (fd < 0) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc,
- "error opening '%s'", mntdir);
+ if (path == NULL || strlen(path) == 0) {
+ strncpy(mntdir, mnt.mnt_dir, strlen(mnt.mnt_dir));
+ mntdir[strlen(mnt.mnt_dir)] = '\0';
+ if ((want & WANT_FSNAME) && fsname != NULL) {
+ strncpy(fsname, ptr, ptr_end - ptr);
+ fsname[ptr_end - ptr] = '\0';
+ }
+ rc = 0;
+ break;
+ /* Otherwise find the longest matching path */
+ } else if ((strlen(path) >= mntlen) && (mntlen >= len) &&
+ (strncmp(mnt.mnt_dir, path, mntlen) == 0)) {
+ strncpy(mntdir, mnt.mnt_dir, strlen(mnt.mnt_dir));
+ mntdir[strlen(mnt.mnt_dir)] = '\0';
+ len = mntlen;
+ if ((want & WANT_FSNAME) && fsname != NULL) {
+ strncpy(fsname, ptr, ptr_end - ptr);
+ fsname[ptr_end - ptr] = '\0';
+ }
+ rc = 0;
+ }
+ }
+ endmntent(fp);
- } else {
- *outfd = fd;
- }
- }
- } else if (want & WANT_ERROR)
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "can't find fs root for '%s': %d",
- (want & WANT_PATH) ? fsname : path, rc);
- return rc;
+ /* Found it */
+ if (rc == 0) {
+ if ((want & WANT_PATH) && path != NULL) {
+ strncpy(path, mntdir, strlen(mntdir));
+ path[strlen(mntdir)] = '\0';
+ }
+ if (want & WANT_FD) {
+ fd = open(mntdir, O_RDONLY | O_DIRECTORY | O_NONBLOCK);
+ if (fd < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error opening '%s'", mntdir);
+
+ } else {
+ *outfd = fd;
+ }
+ }
+ } else if (want & WANT_ERROR)
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "can't find fs root for '%s': %d",
+ (want & WANT_PATH) ? fsname : path, rc);
+ return rc;
}
/*
return rc;
}
-
-/*
- * find the pool directory path under /proc
- * (can be also used to test if a fsname is known)
- */
-static int poolpath(char *fsname, char *pathname, char *pool_pathname)
-{
- int rc = 0;
- char pattern[PATH_MAX + 1];
- char buffer[PATH_MAX];
-
- if (fsname == NULL) {
- rc = llapi_search_fsname(pathname, buffer);
- if (rc != 0)
- return rc;
- fsname = buffer;
- strcpy(pathname, fsname);
- }
-
- snprintf(pattern, PATH_MAX, "/proc/fs/lustre/lov/%s-*/pools", fsname);
- rc = first_match(pattern, buffer);
- if (rc)
- return rc;
-
- /* in fsname test mode, pool_pathname is NULL */
- if (pool_pathname != NULL)
- strcpy(pool_pathname, buffer);
-
- return 0;
-}
-
/**
* Get the list of pool members.
* \param poolname string of format \<fsname\>.\<poolname\>
{
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;
+ glob_t pathname;
+ char buf[PATH_MAX];
+ FILE *fd;
+ int rc = 0;
+ int nb_entries = 0;
+ int used = 0;
- /* name is FSNAME.POOLNAME */
+ /* name is FSNAME.POOLNAME */
if (strlen(poolname) >= sizeof(fsname))
return -EOVERFLOW;
strlcpy(fsname, poolname, sizeof(fsname));
- pool = strchr(fsname, '.');
- if (pool == NULL)
- return -EINVAL;
+ pool = strchr(fsname, '.');
+ if (pool == NULL)
+ return -EINVAL;
- *pool = '\0';
- pool++;
+ *pool = '\0';
+ pool++;
- rc = poolpath(fsname, NULL, pathname);
- if (rc != 0) {
- llapi_error(LLAPI_MSG_ERROR, rc,
- "Lustre filesystem '%s' not found",
- fsname);
- return rc;
- }
+ rc = poolpath(&pathname, fsname, NULL);
+ if (rc != 0) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Lustre filesystem '%s' not found",
+ fsname);
+ return rc;
+ }
- llapi_printf(LLAPI_MSG_NORMAL, "Pool: %s.%s\n", fsname, pool);
- rc = snprintf(path, sizeof(path), "%s/%s", pathname, pool);
- if (rc >= sizeof(path))
+ llapi_printf(LLAPI_MSG_NORMAL, "Pool: %s.%s\n", fsname, pool);
+ rc = snprintf(buf, sizeof(buf), "%s/%s", pathname.gl_pathv[0], pool);
+ cfs_free_param_data(&pathname);
+ if (rc >= sizeof(buf))
return -EOVERFLOW;
- fd = fopen(path, "r");
- if (fd == NULL) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "Cannot open %s", path);
- return rc;
- }
+ fd = fopen(buf, "r");
+ if (fd == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "cannot open %s", buf);
+ return rc;
+ }
rc = 0;
while (fgets(buf, sizeof(buf), fd) != NULL) {
int llapi_get_poollist(const char *name, char **poollist, int list_size,
char *buffer, int buffer_size)
{
- char fsname[PATH_MAX + 1], rname[PATH_MAX + 1], pathname[PATH_MAX + 1];
+ char rname[PATH_MAX];
+ glob_t pathname;
+ char *fsname;
char *ptr;
DIR *dir;
- struct dirent pool;
- struct dirent *cookie = NULL;
+ struct dirent *pool;
int rc = 0;
unsigned int nb_entries = 0;
unsigned int used = 0;
return rc;
}
- rc = poolpath(NULL, rname, pathname);
- if (rc != 0) {
- llapi_error(LLAPI_MSG_ERROR, rc, "'%s' is not"
- " a Lustre filesystem", name);
- return rc;
- }
- if (strlen(rname) > sizeof(fsname)-1)
- return -E2BIG;
- strncpy(fsname, rname, sizeof(fsname));
- } else {
- /* name is FSNAME */
- if (strlen(name) > sizeof(fsname)-1)
- return -E2BIG;
- strncpy(fsname, name, sizeof(fsname));
- rc = poolpath(fsname, NULL, pathname);
- }
- if (rc != 0) {
- llapi_error(LLAPI_MSG_ERROR, rc,
- "Lustre filesystem '%s' not found", name);
- return rc;
- }
+ fsname = strdup(rname);
+ if (!fsname)
+ return -ENOMEM;
- llapi_printf(LLAPI_MSG_NORMAL, "Pools from %s:\n", fsname);
- dir = opendir(pathname);
- if (dir == NULL) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc,
- "Could not open pool list for '%s'",
- name);
- return rc;
- }
+ rc = poolpath(&pathname, NULL, rname);
+ } else {
+ /* name is FSNAME */
+ fsname = strdup(name);
+ if (!fsname)
+ return -ENOMEM;
+ rc = poolpath(&pathname, fsname, NULL);
+ }
+ if (rc != 0) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Lustre filesystem '%s' not found", name);
+ goto free_path;
+ }
- while(1) {
- rc = readdir_r(dir, &pool, &cookie);
+ llapi_printf(LLAPI_MSG_NORMAL, "Pools from %s:\n", fsname);
+ dir = opendir(pathname.gl_pathv[0]);
+ if (dir == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Could not open pool list for '%s'",
+ name);
+ goto free_path;
+ }
- if (rc != 0) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc,
- "Error reading pool list for '%s'", name);
- goto out;
- } else if ((rc == 0) && (cookie == NULL)) {
- /* end of directory */
- break;
- }
+ do {
+ errno = 0;
+ pool = readdir(dir);
+ if (pool == NULL) {
+ rc = -errno;
+ goto free_dir;
+ }
/* ignore . and .. */
- if (!strcmp(pool.d_name, ".") || !strcmp(pool.d_name, ".."))
+ if (!strcmp(pool->d_name, ".") || !strcmp(pool->d_name, ".."))
continue;
/* check output bounds */
if (nb_entries >= list_size) {
rc = -EOVERFLOW;
- goto out;
+ goto free_dir;
}
/* +2 for '.' and final '\0' */
- if (used + strlen(pool.d_name) + strlen(fsname) + 2
+ if (used + strlen(pool->d_name) + strlen(fsname) + 2
> buffer_size) {
rc = -EOVERFLOW;
- goto out;
+ goto free_dir;
}
- sprintf(buffer + used, "%s.%s", fsname, pool.d_name);
+ sprintf(buffer + used, "%s.%s", fsname, pool->d_name);
poollist[nb_entries] = buffer + used;
- used += strlen(pool.d_name) + strlen(fsname) + 2;
+ used += strlen(pool->d_name) + strlen(fsname) + 2;
nb_entries++;
- }
+ } while (1);
-out:
- closedir(dir);
- return ((rc != 0) ? rc : nb_entries);
+free_dir:
+ if (rc)
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Error reading pool list for '%s'", name);
+ closedir(dir);
+free_path:
+ cfs_free_param_data(&pathname);
+ if (fsname)
+ free(fsname);
+ return rc != 0 ? rc : nb_entries;
}
/* wrapper for lfs.c and obd.c */
int llapi_poollist(const char *name)
{
- /* list of pool names (assume that pool count is smaller
- than OST count) */
- char **list, *buffer = NULL, *path = NULL, *fsname = NULL;
- int obdcount, bufsize, rc, nb, i;
- char *poolname = NULL, *tmp = NULL, data[16];
+ /* list of pool names (assume that pool count is smaller
+ than OST count) */
+ char **list, *buffer = NULL, *fsname = (char *)name;
+ char *poolname = NULL, *tmp = NULL, data[16];
+ enum param_filter type = FILTER_BY_PATH;
+ int obdcount, bufsize, rc, nb, i;
if (name == NULL)
return -EINVAL;
if (fsname == NULL)
return -ENOMEM;
- poolname = strchr(fsname, '.');
- if (poolname)
- *poolname = '\0';
- } else {
- path = (char *) name;
- }
+ poolname = strchr(fsname, '.');
+ if (poolname)
+ *poolname = '\0';
+ type = FILTER_BY_FS_NAME;
+ }
- rc = get_param_obdvar(fsname, path, "lov", "numobd",
- data, sizeof(data));
- if (rc < 0)
- goto err;
- obdcount = atoi(data);
+ rc = get_lustre_param_value("lov", fsname, type, "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
err:
if (buffer)
free(buffer);
- if (fsname)
- free(fsname);
- return rc;
+ if (fsname != NULL && type == FILTER_BY_FS_NAME)
+ free(fsname);
+ return rc;
}
typedef int (semantic_func_t)(char *path, DIR *parent, DIR **d,
}
/* set errno upon failure */
-static DIR *opendir_parent(char *path)
+static DIR *opendir_parent(const char *path)
{
- DIR *parent;
- char *fname;
- char c;
-
- fname = strrchr(path, '/');
- if (fname == NULL)
- return opendir(".");
-
- c = fname[1];
- fname[1] = '\0';
- parent = opendir(path);
- fname[1] = c;
- return parent;
+ char *path_copy;
+ char *parent_path;
+ DIR *parent;
+
+ path_copy = strdup(path);
+ if (path_copy == NULL)
+ return NULL;
+
+ parent_path = dirname(path_copy);
+ parent = opendir(parent_path);
+ free(path_copy);
+
+ return parent;
}
static int cb_get_dirstripe(char *path, DIR *d, struct find_param *param)
int llapi_file_get_lov_uuid(const char *path, struct obd_uuid *lov_uuid)
{
- int fd, rc;
+ 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;
- }
+ fd = open(path, O_RDONLY | O_NONBLOCK);
+ if (fd < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error opening %s", path);
+ return rc;
+ }
- rc = llapi_file_fget_lov_uuid(fd, lov_uuid);
+ rc = llapi_file_fget_lov_uuid(fd, lov_uuid);
- close(fd);
- return rc;
+ close(fd);
+ return rc;
}
int llapi_file_get_lmv_uuid(const char *path, struct obd_uuid *lov_uuid)
{
int fd, rc;
- fd = open(path, O_RDONLY);
+ fd = open(path, O_RDONLY | O_NONBLOCK);
if (fd < 0) {
rc = -errno;
llapi_error(LLAPI_MSG_ERROR, rc, "error opening %s", path);
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
static int llapi_get_target_uuids(int fd, struct obd_uuid *uuidp,
int *ost_count, enum tgt_type type)
{
+ char buf[PATH_MAX], format[32];
+ int rc = 0, index = 0;
struct obd_uuid name;
- char buf[1024];
- char format[32];
+ glob_t param;
FILE *fp;
- int rc = 0, index = 0;
- /* Get the lov name */
- 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;
- }
+ /* Get the lov name */
+ if (type == LOV_TYPE)
+ rc = llapi_file_fget_lov_uuid(fd, &name);
+ else
+ rc = llapi_file_fget_lmv_uuid(fd, &name);
+ if (rc != 0)
+ return rc;
- /* Now get the ost uuids from /proc */
- snprintf(buf, sizeof(buf), "/proc/fs/lustre/%s/%s/target_obd",
- type == LOV_TYPE ? "lov" : "lmv", name.uuid);
- fp = fopen(buf, "r");
- if (fp == NULL) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "error: opening '%s'", buf);
- return rc;
- }
+ /* Now get the ost uuids */
+ rc = get_lustre_param_path(type == LOV_TYPE ? "lov" : "lmv", name.uuid,
+ FILTER_BY_EXACT, "target_obd", ¶m);
+ if (rc != 0)
+ return -ENOENT;
+
+ fp = fopen(param.gl_pathv[0], "r");
+ if (fp == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: opening '%s'",
+ param.gl_pathv[0]);
+ goto free_param;
+ }
snprintf(format, sizeof(format),
"%%d: %%%zus", sizeof(uuidp[0].uuid) - 1);
if (uuidp && (index > *ost_count))
rc = -EOVERFLOW;
- *ost_count = index;
- return rc;
+ *ost_count = index;
+free_param:
+ cfs_free_param_data(¶m);
+ return rc;
}
int llapi_lov_get_uuids(int fd, struct obd_uuid *uuidp, int *ost_count)
int llapi_get_obd_count(char *mnt, int *count, int is_mdt)
{
- DIR *root;
- int rc;
+ int root;
+ int rc;
- root = opendir(mnt);
- if (!root) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "open %s failed", mnt);
- return rc;
- }
+ root = open(mnt, O_RDONLY | O_DIRECTORY);
+ if (root < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "open %s failed", mnt);
+ return rc;
+ }
- *count = is_mdt;
- rc = ioctl(dirfd(root), LL_IOC_GETOBDCOUNT, count);
- if (rc < 0)
- rc = -errno;
+ *count = is_mdt;
+ rc = ioctl(root, LL_IOC_GETOBDCOUNT, count);
+ if (rc < 0)
+ rc = -errno;
- closedir(root);
- return rc;
+ close(root);
+ return rc;
}
/* Check if user specified value matches a real uuid. Ignore _UUID,
/* 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)
+static int setup_obd_uuid(int fd, char *dname, struct find_param *param)
{
struct obd_uuid obd_uuid;
- char buf[1024];
+ char buf[PATH_MAX];
+ glob_t param_data;
char format[32];
- FILE *fp;
int rc = 0;
+ FILE *fp;
if (param->fp_got_uuids)
- return rc;
+ return rc;
- /* Get the lov/lmv name */
+ /* Get the lov/lmv name */
if (param->fp_get_lmv)
- rc = llapi_file_fget_lmv_uuid(dirfd(dir), &obd_uuid);
- else
- rc = llapi_file_fget_lov_uuid(dirfd(dir), &obd_uuid);
- if (rc) {
- if (rc != -ENOTTY) {
- llapi_error(LLAPI_MSG_ERROR, rc,
- "error: can't get lov name: %s", dname);
- } else {
- rc = 0;
- }
- return rc;
- }
+ rc = llapi_file_fget_lmv_uuid(fd, &obd_uuid);
+ else
+ rc = llapi_file_fget_lov_uuid(fd, &obd_uuid);
+ if (rc) {
+ if (rc != -ENOTTY) {
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "error: can't get %s name: %s",
+ param->fp_get_lmv ? "lmv" : "lov",
+ dname);
+ } else {
+ rc = 0;
+ }
+ return rc;
+ }
param->fp_got_uuids = 1;
- /* Now get the ost uuids from /proc */
- snprintf(buf, sizeof(buf), "/proc/fs/lustre/%s/%s/target_obd",
- param->fp_get_lmv ? "lmv" : "lov", obd_uuid.uuid);
- fp = fopen(buf, "r");
- if (fp == NULL) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "error: opening '%s'", buf);
- return rc;
- }
+ /* Now get the ost uuids */
+ rc = get_lustre_param_path(param->fp_get_lmv ? "lmv" : "lov",
+ obd_uuid.uuid, FILTER_BY_EXACT,
+ "target_obd", ¶m_data);
+ if (rc != 0)
+ return -ENOENT;
+
+ fp = fopen(param_data.gl_pathv[0], "r");
+ if (fp == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: opening '%s'",
+ param_data.gl_pathv[0]);
+ goto free_param;
+ }
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:");
+ param->fp_get_lmv ? "MDTS" : "OBDS");
snprintf(format, sizeof(format),
"%%d: %%%zus", sizeof(obd_uuid.uuid) - 1);
__func__, param->fp_obd_uuid->uuid);
rc = -EINVAL;
}
-
- return (rc);
+free_param:
+ cfs_free_param_data(¶m_data);
+ return rc;
}
/* In this case, param->fp_obd_uuid will be an array of obduuids and
if (ret != 0)
return ret;
- obdcount = atoi(buf);
- uuids = (struct obd_uuid *)malloc(obdcount *
- sizeof(struct obd_uuid));
- if (uuids == NULL)
- return -ENOMEM;
+ obdcount = atoi(buf);
+ uuids = malloc(obdcount * sizeof(struct obd_uuid));
+ if (uuids == NULL)
+ return -ENOMEM;
retry_get_uuids:
- ret = llapi_get_target_uuids(dirfd(dir), uuids, &obdcount, type);
- if (ret) {
- struct obd_uuid *uuids_temp;
+ ret = llapi_get_target_uuids(dirfd(dir), uuids, &obdcount, type);
+ if (ret) {
+ if (ret == -EOVERFLOW) {
+ struct obd_uuid *uuids_temp;
- if (ret == -EOVERFLOW) {
- uuids_temp = realloc(uuids, obdcount *
- sizeof(struct obd_uuid));
+ uuids_temp = realloc(uuids, obdcount *
+ sizeof(struct obd_uuid));
if (uuids_temp != NULL) {
uuids = uuids_temp;
- goto retry_get_uuids;
+ goto retry_get_uuids;
}
- else
- ret = -ENOMEM;
- }
+ ret = -ENOMEM;
+ }
llapi_error(LLAPI_MSG_ERROR, ret, "get ost uuid failed");
goto out_free;
int llapi_ostlist(char *path, struct find_param *param)
{
- DIR *dir;
- int ret;
-
- dir = opendir(path);
- if (dir == NULL)
- return -errno;
-
- ret = setup_obd_uuid(dir, path, param);
- closedir(dir);
-
- return ret;
-}
-
-/*
- * Given a filesystem name, or a pathname of a file on a lustre filesystem,
- * tries to determine the path to the filesystem's clilov directory under /proc
- *
- * fsname is limited to MTI_NAME_MAXLEN in lustre_idl.h
- * The NUL terminator is compensated by the additional "%s" bytes. */
-#define LOV_LEN (sizeof("/proc/fs/lustre/lov/%s-clilov-*") + MTI_NAME_MAXLEN)
-static int clilovpath(const char *fsname, const char *const pathname,
- char *clilovpath)
-{
- int rc;
- char pattern[LOV_LEN];
- char buffer[PATH_MAX + 1];
-
- if (fsname == NULL) {
- rc = llapi_search_fsname(pathname, buffer);
- if (rc != 0)
- return rc;
- fsname = buffer;
- }
-
- snprintf(pattern, sizeof(pattern), "/proc/fs/lustre/lov/%s-clilov-*",
- fsname);
-
- rc = first_match(pattern, buffer);
- if (rc != 0)
- return rc;
-
- strlcpy(clilovpath, buffer, sizeof(buffer));
-
- return 0;
-}
-
-/*
- * Given the path to a stripe attribute proc file, tries to open and
- * read the attribute and return the value using the attr parameter
- */
-static int sattr_read_attr(const char *const fpath,
- unsigned int *attr)
-{
-
- FILE *f;
- char line[PATH_MAX + 1];
- int rc = 0;
+ int fd;
+ int ret;
- f = fopen(fpath, "r");
- if (f == NULL) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "Cannot open '%s'", fpath);
- return rc;
- }
+ fd = open(path, O_RDONLY | O_DIRECTORY);
+ if (fd < 0)
+ return -errno;
- if (fgets(line, sizeof(line), f) != NULL) {
- *attr = atoi(line);
- } else {
- llapi_error(LLAPI_MSG_ERROR, errno, "Cannot read from '%s'", fpath);
- rc = 1;
- }
+ ret = setup_obd_uuid(fd, path, param);
+ close(fd);
- fclose(f);
- return rc;
+ return ret;
}
/*
* using pathname.
*/
static int sattr_get_defaults(const char *const fsname,
- const char *const pathname,
unsigned int *scount,
unsigned int *ssize,
unsigned int *soffset)
{
- int rc;
- char dpath[PATH_MAX + 1];
- char fpath[PATH_MAX + 1];
-
- rc = clilovpath(fsname, pathname, dpath);
- if (rc != 0)
- return rc;
+ char val[PATH_MAX];
+ int rc;
- if (scount) {
- snprintf(fpath, PATH_MAX, "%s/stripecount", dpath);
- rc = sattr_read_attr(fpath, scount);
- if (rc != 0)
- return rc;
- }
+ if (scount) {
+ rc = get_lustre_param_value("lov", fsname, FILTER_BY_FS_NAME,
+ "stripecount", val, sizeof(val));
+ if (rc != 0)
+ return rc;
+ *scount = atoi(val);
+ }
- if (ssize) {
- snprintf(fpath, PATH_MAX, "%s/stripesize", dpath);
- rc = sattr_read_attr(fpath, ssize);
- if (rc != 0)
- return rc;
- }
+ if (ssize) {
+ rc = get_lustre_param_value("lov", fsname, FILTER_BY_FS_NAME,
+ "stripesize", val, sizeof(val));
+ if (rc != 0)
+ return rc;
+ *ssize = atoi(val);
+ }
- if (soffset) {
- snprintf(fpath, PATH_MAX, "%s/stripeoffset", dpath);
- rc = sattr_read_attr(fpath, soffset);
- if (rc != 0)
- return rc;
- }
+ if (soffset) {
+ rc = get_lustre_param_value("lov", fsname, FILTER_BY_FS_NAME,
+ "stripeoffset", val, sizeof(val));
+ if (rc != 0)
+ return rc;
+ *soffset = atoi(val);
+ }
- return 0;
+ return 0;
}
/*
* next time they are needed. Only a single filesystem's attributes are
* cached at a time.
*/
-static int sattr_cache_get_defaults(const char *const fsname,
- const char *const pathname,
- unsigned int *scount,
- unsigned int *ssize,
- unsigned int *soffset)
+int sattr_cache_get_defaults(const char *const fsname,
+ const char *const pathname, unsigned int *scount,
+ unsigned int *ssize, unsigned int *soffset)
{
static struct {
char fsname[PATH_MAX + 1];
* successfully retrieved and stored in tmp before writing to
* cache.
*/
- rc = sattr_get_defaults(fsname_buf, NULL, &tmp[0], &tmp[1],
- &tmp[2]);
+ rc = sattr_get_defaults(fsname_buf, &tmp[0], &tmp[1], &tmp[2]);
if (rc != 0)
return rc;
return 0;
}
+enum lov_dump_flags {
+ LDF_IS_DIR = 0x0001,
+ LDF_IS_RAW = 0x0002,
+ LDF_INDENT = 0x0004,
+ LDF_SKIP_OBJS = 0x0008,
+ LDF_YAML = 0x0010,
+};
+
static void lov_dump_user_lmm_header(struct lov_user_md *lum, char *path,
- struct lov_user_ost_data_v1 *objects,
- int is_dir, int verbose, int depth,
- int raw, char *pool_name)
-{
- char *prefix = is_dir ? "" : "lmm_";
+ struct lov_user_ost_data_v1 *objects,
+ int verbose, int depth, char *pool_name,
+ enum lov_dump_flags flags)
+{
+ bool is_dir = flags & LDF_IS_DIR;
+ bool is_raw = flags & LDF_IS_RAW;
+ bool indent = flags & LDF_INDENT;
+ bool yaml = flags & LDF_YAML;
+ bool skip_objs = flags & LDF_SKIP_OBJS;
+ char *prefix = is_dir ? "" : "lmm_";
char *separator = "";
- int rc;
+ char *space = indent ? " " : "";
+ int rc;
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 (!indent && (verbose & VERBOSE_DETAIL))
+ llapi_printf(LLAPI_MSG_NORMAL, "%s(Default) ", space);
}
- if (depth && path && ((verbose != VERBOSE_OBJID) || !is_dir))
- llapi_printf(LLAPI_MSG_NORMAL, "%s\n", path);
+ if (!yaml && !indent && 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",
- 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)
- llapi_printf(LLAPI_MSG_NORMAL, "%sstripe_count: ",
- prefix);
- if (is_dir) {
- if (!raw && lum->lmm_stripe_count == 0) {
- unsigned int scount;
- rc = sattr_cache_get_defaults(NULL, path,
- &scount, NULL,
- NULL);
- if (rc == 0)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%smagic: 0x%08X\n",
+ space, prefix, lum->lmm_magic);
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%sseq: %#jx\n",
+ space, prefix,
+ (uintmax_t)lmm_oi_seq(&lum->lmm_oi));
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%sobject_id: %#jx\n",
+ space, prefix,
+ (uintmax_t)lmm_oi_id(&lum->lmm_oi));
+ }
+ if ((verbose & (VERBOSE_DETAIL | VERBOSE_DFID)) && !is_dir) {
+ __u64 seq;
+ __u32 oid;
+ __u32 ver;
+
+ if (verbose & ~VERBOSE_DFID)
+ llapi_printf(LLAPI_MSG_NORMAL, "%slmm_fid: ",
+ space);
+ /* This needs a bit of hand-holding since old 1.x lmm_oi
+ * have { oi.oi_id = mds_inum, oi.oi_seq = 0 } and 2.x lmm_oi
+ * have { oi.oi_id = mds_oid, oi.oi_seq = mds_seq } instead of
+ * a real FID. Ideally the 2.x code would have stored this
+ * like a FID with { oi_id = mds_seq, oi_seq = mds_oid } so the
+ * ostid union lu_fid { f_seq = mds_seq, f_oid = mds_oid }
+ * worked properly (especially since IGIF FIDs use mds_inum as
+ * the FID SEQ), but unfortunately that didn't happen.
+ *
+ * Print it to look like an IGIF FID, even though the fields
+ * are reversed on disk, so that it makes sense to userspace.
+ *
+ * Don't use ostid_id() and ostid_seq(), since they assume the
+ * oi_fid fields are in the right order. This is why there are
+ * separate lmm_oi_seq() and lmm_oi_id() routines for this.
+ *
+ * For newer layout types hopefully this will be a real FID. */
+ seq = lmm_oi_seq(&lum->lmm_oi) == 0 ?
+ lmm_oi_id(&lum->lmm_oi) : lmm_oi_seq(&lum->lmm_oi);
+ oid = lmm_oi_seq(&lum->lmm_oi) == 0 ?
+ 0 : (__u32)lmm_oi_id(&lum->lmm_oi);
+ ver = (__u32)(lmm_oi_id(&lum->lmm_oi) >> 32);
+ if (yaml)
+ llapi_printf(LLAPI_MSG_NORMAL, DFID_NOBRACE"\n",
+ seq, oid, ver);
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, DFID"\n",
+ seq, oid, ver);
+ }
+
+ if (verbose & VERBOSE_COUNT) {
+ if (verbose & ~VERBOSE_COUNT)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%sstripe_count: ",
+ space, prefix);
+ if (is_dir) {
+ if (!is_raw && lum->lmm_stripe_count == 0) {
+ unsigned int scount;
+ rc = sattr_cache_get_defaults(NULL, path,
+ &scount, NULL,
+ NULL);
+ if (rc == 0)
llapi_printf(LLAPI_MSG_NORMAL, "%d",
scount);
- else
- llapi_error(LLAPI_MSG_ERROR, rc,
- "Cannot determine default"
- " stripe count.");
- } else {
+ else
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Cannot determine default"
+ " stripe count.");
+ } else {
llapi_printf(LLAPI_MSG_NORMAL, "%d",
- lum->lmm_stripe_count ==
- (typeof(lum->lmm_stripe_count))(-1)
+ lum->lmm_stripe_count ==
+ (typeof(lum->lmm_stripe_count))(-1)
? -1 : lum->lmm_stripe_count);
- }
- } else {
+ }
+ } else {
llapi_printf(LLAPI_MSG_NORMAL, "%hd",
(__s16)lum->lmm_stripe_count);
- }
- separator = is_dir ? " " : "\n";
- }
+ }
+ if (!yaml && is_dir)
+ separator = " ";
+ else
+ separator = "\n";
+ }
- if (verbose & VERBOSE_SIZE) {
+ if (verbose & VERBOSE_SIZE) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
- if (verbose & ~VERBOSE_SIZE)
- llapi_printf(LLAPI_MSG_NORMAL, "%sstripe_size: ",
- prefix);
- if (is_dir && !raw && lum->lmm_stripe_size == 0) {
- unsigned int ssize;
- rc = sattr_cache_get_defaults(NULL, path, NULL, &ssize,
- NULL);
- if (rc == 0)
+ if (verbose & ~VERBOSE_SIZE)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%sstripe_size: ",
+ space, prefix);
+ if (is_dir && !is_raw && lum->lmm_stripe_size == 0) {
+ unsigned int ssize;
+ rc = sattr_cache_get_defaults(NULL, path, NULL, &ssize,
+ NULL);
+ if (rc == 0)
llapi_printf(LLAPI_MSG_NORMAL, "%u", ssize);
- else
- llapi_error(LLAPI_MSG_ERROR, rc,
- "Cannot determine default"
- " stripe size.");
- } else {
+ else
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "Cannot determine default"
+ " stripe size.");
+ } else {
llapi_printf(LLAPI_MSG_NORMAL, "%u",
lum->lmm_stripe_size);
- }
- separator = is_dir ? " " : "\n";
- }
+ }
+ if (!yaml && is_dir)
+ separator = " ";
+ else
+ separator = "\n";
+ }
if ((verbose & VERBOSE_LAYOUT) && !is_dir) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
if (verbose & ~VERBOSE_LAYOUT)
- llapi_printf(LLAPI_MSG_NORMAL, "%spattern: ",
- prefix);
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%spattern: ",
+ space, prefix);
llapi_printf(LLAPI_MSG_NORMAL, "%.x", lum->lmm_pattern);
separator = "\n";
}
- if ((verbose & VERBOSE_GENERATION) && !is_dir) {
+ if ((verbose & VERBOSE_GENERATION) && !is_dir) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
- if (verbose & ~VERBOSE_GENERATION)
- llapi_printf(LLAPI_MSG_NORMAL, "%slayout_gen: ",
- prefix);
+ if (verbose & ~VERBOSE_GENERATION)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%slayout_gen: ",
+ space, prefix);
llapi_printf(LLAPI_MSG_NORMAL, "%u",
(int)lum->lmm_layout_gen);
separator = "\n";
- }
+ }
- if (verbose & VERBOSE_OFFSET) {
+ if (verbose & VERBOSE_OFFSET) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
- if (verbose & ~VERBOSE_OFFSET)
- llapi_printf(LLAPI_MSG_NORMAL, "%sstripe_offset: ",
- prefix);
- if (is_dir)
+ if (verbose & ~VERBOSE_OFFSET)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%sstripe_offset: ",
+ space, prefix);
+ if (is_dir || skip_objs)
llapi_printf(LLAPI_MSG_NORMAL, "%d",
- lum->lmm_stripe_offset ==
- (typeof(lum->lmm_stripe_offset))(-1) ? -1 :
+ lum->lmm_stripe_offset ==
+ (typeof(lum->lmm_stripe_offset))(-1) ? -1 :
lum->lmm_stripe_offset);
- else
+ else
llapi_printf(LLAPI_MSG_NORMAL, "%u",
objects[0].l_ost_idx);
- separator = is_dir ? " " : "\n";
- }
+ if (!yaml && is_dir)
+ separator = " ";
+ else
+ separator = "\n";
+ }
- if ((verbose & VERBOSE_POOL) && (pool_name != NULL)) {
+ if ((verbose & VERBOSE_POOL) && pool_name && (pool_name[0] != '\0')) {
llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
- if (verbose & ~VERBOSE_POOL)
- llapi_printf(LLAPI_MSG_NORMAL, "%spool: ",
- prefix);
+ if (verbose & ~VERBOSE_POOL)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s%spool: ",
+ space, prefix);
llapi_printf(LLAPI_MSG_NORMAL, "%s", pool_name);
- }
+ if (!yaml && is_dir)
+ separator = " ";
+ else
+ separator = "\n";
+ }
- if (!is_dir || (is_dir && (verbose != VERBOSE_OBJID)))
- llapi_printf(LLAPI_MSG_NORMAL, "\n");
+ if (strlen(separator) != 0)
+ llapi_printf(LLAPI_MSG_NORMAL, "\n");
}
void lov_dump_user_lmm_v1v3(struct lov_user_md *lum, char *pool_name,
- struct lov_user_ost_data_v1 *objects,
- char *path, int is_dir, int obdindex,
- int depth, int header, int raw)
-{
- int i, obdstripe = (obdindex != OBD_NOT_FOUND) ? 0 : 1;
+ struct lov_user_ost_data_v1 *objects,
+ char *path, int obdindex, int depth,
+ int header, enum lov_dump_flags flags)
+{
+ bool is_dir = flags & LDF_IS_DIR;
+ bool indent = flags & LDF_INDENT;
+ bool skip_objs = flags & LDF_SKIP_OBJS;
+ bool yaml = flags & LDF_YAML;
+ int i, obdstripe = (obdindex != OBD_NOT_FOUND) ? 0 : 1;
+
+ if (!obdstripe) {
+ for (i = 0; !is_dir && i < lum->lmm_stripe_count; i++) {
+ if (obdindex == objects[i].l_ost_idx) {
+ obdstripe = 1;
+ break;
+ }
+ }
+ }
- if (!obdstripe) {
- for (i = 0; !is_dir && i < lum->lmm_stripe_count; i++) {
- if (obdindex == objects[i].l_ost_idx) {
- obdstripe = 1;
- break;
- }
- }
- }
+ if (obdstripe == 0)
+ return;
- if (obdstripe == 1)
- lov_dump_user_lmm_header(lum, path, objects, is_dir, header,
- depth, raw, pool_name);
+ lov_dump_user_lmm_header(lum, path, objects, header, depth, pool_name,
+ flags);
- if (!is_dir && (header & VERBOSE_OBJID) &&
+ if (!is_dir && !skip_objs && (header & VERBOSE_OBJID) &&
!(lum->lmm_pattern & LOV_PATTERN_F_RELEASED)) {
- if (obdstripe == 1)
- llapi_printf(LLAPI_MSG_NORMAL,
- "\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 = 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 *space = " - ";
+
+ if (indent)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%6slmm_objects:\n", " ");
+ else if (yaml)
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_objects:\n");
+ else
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "\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 = ostid_id(&objects[i].l_ost_oi);
+ long long gr = ostid_seq(&objects[i].l_ost_oi);
+
+ if (obdindex != OBD_NOT_FOUND && obdindex != idx)
+ continue;
+
+ if (yaml) {
+ struct lu_fid fid = { 0 };
+
+ ostid_to_fid(&fid, &objects[i].l_ost_oi, idx);
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%sl_ost_idx: %d\n", space, idx);
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%8sl_fid: "DFID_NOBRACE"\n",
+ " ", PFID(&fid));
+ } else if (indent) {
+ struct lu_fid fid = { 0 };
+
+ ostid_to_fid(&fid, &objects[i].l_ost_oi, idx);
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%s%d: { l_ost_idx: %d, l_fid: "DFID" }\n",
+ space, i, idx, PFID(&fid));
+ } else {
char fmt[48];
sprintf(fmt, "%s%s%s\n",
"\t%6u\t%14llu\t%#13llx\t",
oid, gr,
obdindex == idx ? " *" : "");
}
-
- }
- llapi_printf(LLAPI_MSG_NORMAL, "\n");
- }
+ }
+ llapi_printf(LLAPI_MSG_NORMAL, "\n");
+ }
}
void lmv_dump_user_lmm(struct lmv_user_md *lum, char *pool_name,
- char *path, int obdindex, int depth, int verbose)
+ char *path, int obdindex, int depth, int verbose,
+ enum lov_dump_flags flags)
{
struct lmv_user_mds_data *objects = lum->lum_objects;
char *prefix = lum->lum_magic == LMV_USER_MAGIC ? "(Default)" : "";
int i, obdstripe = 0;
char *separator = "";
+ bool yaml = flags & LDF_YAML;
if (obdindex != OBD_NOT_FOUND) {
if (lum->lum_stripe_count == 0) {
/* show all information default */
if (!verbose) {
if (lum->lum_magic == LMV_USER_MAGIC)
- verbose = VERBOSE_POOL | VERBOSE_COUNT | VERBOSE_OFFSET;
+ verbose = VERBOSE_POOL | VERBOSE_COUNT |
+ VERBOSE_OFFSET | VERBOSE_HASH_TYPE;
else
verbose = VERBOSE_OBJID;
}
llapi_printf(LLAPI_MSG_NORMAL, "lmv_stripe_count: ");
llapi_printf(LLAPI_MSG_NORMAL, "%u",
(int)lum->lum_stripe_count);
- if (verbose & VERBOSE_OFFSET)
+ if ((verbose & VERBOSE_OFFSET) && !yaml)
separator = " ";
else
separator = "\n";
llapi_printf(LLAPI_MSG_NORMAL, "lmv_stripe_offset: ");
llapi_printf(LLAPI_MSG_NORMAL, "%d",
(int)lum->lum_stripe_offset);
+ if (verbose & VERBOSE_HASH_TYPE && !yaml)
+ separator = " ";
+ else
+ separator = "\n";
+ }
+
+ if (verbose & VERBOSE_HASH_TYPE) {
+ unsigned int type = lum->lum_hash_type;
+
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ if (verbose & ~VERBOSE_HASH_TYPE)
+ llapi_printf(LLAPI_MSG_NORMAL, "lmv_hash_type: ");
+ if (type < LMV_HASH_TYPE_MAX)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s",
+ mdt_hash_name[type]);
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, "%d",
+ (int)type);
separator = "\n";
}
llapi_printf(LLAPI_MSG_NORMAL, "\n");
}
-void llapi_lov_dump_user_lmm(struct find_param *param, char *path, int is_dir)
+static void lov_dump_comp_v1_header(struct find_param *param, char *path,
+ enum lov_dump_flags flags)
{
- __u32 magic;
+ struct lov_comp_md_v1 *comp_v1 = (void *)¶m->fp_lmd->lmd_lmm;
+ int depth = param->fp_max_depth;
+ int verbose = param->fp_verbose;
+ bool yaml = flags & LDF_YAML;
- if (param->fp_get_lmv || param->fp_get_default_lmv)
- magic = (__u32)param->fp_lmv_md->lum_magic;
+ if (depth && path && ((verbose != VERBOSE_OBJID) ||
+ !(flags & LDF_IS_DIR)) && !yaml)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s\n", path);
+
+ if (verbose & VERBOSE_DETAIL) {
+ llapi_printf(LLAPI_MSG_NORMAL, "composite_header:\n");
+ llapi_printf(LLAPI_MSG_NORMAL, "%2slcm_magic: 0x%08X\n",
+ " ", comp_v1->lcm_magic);
+ llapi_printf(LLAPI_MSG_NORMAL, "%2slcm_size: %u\n",
+ " ", comp_v1->lcm_size);
+ llapi_printf(LLAPI_MSG_NORMAL, "%2slcm_flags: %u\n",
+ " ", comp_v1->lcm_flags);
+ }
+
+ if (verbose & VERBOSE_GENERATION) {
+ if (verbose & ~VERBOSE_GENERATION)
+ llapi_printf(LLAPI_MSG_NORMAL, "%2slcm_layout_gen: ",
+ " ");
+ llapi_printf(LLAPI_MSG_NORMAL, "%u\n", comp_v1->lcm_layout_gen);
+ }
+
+ if (verbose & VERBOSE_COMP_COUNT) {
+ if (verbose & ~VERBOSE_COMP_COUNT)
+ llapi_printf(LLAPI_MSG_NORMAL, "%2slcm_entry_count: ",
+ " ");
+ llapi_printf(LLAPI_MSG_NORMAL, "%u\n",
+ comp_v1->lcm_magic == LOV_USER_MAGIC_COMP_V1 ?
+ comp_v1->lcm_entry_count : 0);
+ }
+
+ if (verbose & VERBOSE_DETAIL && !yaml)
+ llapi_printf(LLAPI_MSG_NORMAL, "components:\n");
+}
+
+static void comp_flags2str(__u32 comp_flags)
+{
+ bool found = false;
+ int i = 0;
+
+ if (!comp_flags) {
+ llapi_printf(LLAPI_MSG_NORMAL, "0");
+ return;
+ }
+ for (i = 0; i < ARRAY_SIZE(comp_flags_table); i++) {
+ if (comp_flags & comp_flags_table[i].cfn_flag) {
+ if (found)
+ llapi_printf(LLAPI_MSG_NORMAL, ",");
+ llapi_printf(LLAPI_MSG_NORMAL, "%s",
+ comp_flags_table[i].cfn_name);
+ comp_flags &= ~comp_flags_table[i].cfn_flag;
+ found = true;
+ }
+ }
+ if (comp_flags) {
+ if (found)
+ llapi_printf(LLAPI_MSG_NORMAL, ",");
+ llapi_printf(LLAPI_MSG_NORMAL, "%#x", comp_flags);
+ }
+}
+
+static void lov_dump_comp_v1_entry(struct find_param *param,
+ enum lov_dump_flags flags, int index)
+{
+ struct lov_comp_md_v1 *comp_v1 = (void *)¶m->fp_lmd->lmd_lmm;
+ struct lov_comp_md_entry_v1 *entry;
+ char *separator = "";
+ int verbose = param->fp_verbose;
+ bool yaml = flags & LDF_YAML;
+
+ entry = &comp_v1->lcm_entries[index];
+
+ if (yaml)
+ llapi_printf(LLAPI_MSG_NORMAL, "%2scomponent%d:\n", " ", index);
+
+ if (verbose & VERBOSE_COMP_ID) {
+ if (verbose & VERBOSE_DETAIL && !yaml)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%slcme_id: ", " - ");
+ else if (verbose & ~VERBOSE_COMP_ID)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%4slcme_id: ", " ");
+ if (entry->lcme_id != LCME_ID_INVAL)
+ llapi_printf(LLAPI_MSG_NORMAL, "%u", entry->lcme_id);
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, "N/A");
+ separator = "\n";
+ }
+
+ if (verbose & VERBOSE_COMP_FLAGS) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ if (verbose & ~VERBOSE_COMP_FLAGS)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%4slcme_flags: ", " ");
+ comp_flags2str(entry->lcme_flags);
+ separator = "\n";
+ }
+
+ if (verbose & VERBOSE_COMP_START) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ if (verbose & ~VERBOSE_COMP_START)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%4slcme_extent.e_start: ", " ");
+ llapi_printf(LLAPI_MSG_NORMAL, "%llu",
+ entry->lcme_extent.e_start);
+ separator = "\n";
+ }
+
+ if (verbose & VERBOSE_COMP_END) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ if (verbose & ~VERBOSE_COMP_END)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%4slcme_extent.e_end: ", " ");
+ if (entry->lcme_extent.e_end == LUSTRE_EOF)
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", "EOF");
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, "%llu",
+ entry->lcme_extent.e_end);
+ separator = "\n";
+ }
+
+ if (yaml) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ llapi_printf(LLAPI_MSG_NORMAL, "%4ssub_layout:\n", " ");
+ } else if (verbose & VERBOSE_DETAIL) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ llapi_printf(LLAPI_MSG_NORMAL, "%4slcme_offset: %u\n",
+ " ", entry->lcme_offset);
+ llapi_printf(LLAPI_MSG_NORMAL, "%4slcme_size: %u\n",
+ " ", entry->lcme_size);
+ llapi_printf(LLAPI_MSG_NORMAL, "%4ssub_layout:\n", " ");
+ } else {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", separator);
+ }
+}
+
+/* Check if the value matches 1 of the given criteria (e.g. --atime +/-N).
+ * @mds indicates if this is MDS timestamps and there are attributes on OSTs.
+ *
+ * The result is -1 if it does not match, 0 if not yet clear, 1 if matches.
+ * The table below gives the answers for the specified parameters (value and
+ * sign), 1st column is the answer for the MDS value, the 2nd is for the OST:
+ * --------------------------------------
+ * 1 | file > limit; sign > 0 | -1 / -1 |
+ * 2 | file = limit; sign > 0 | -1 / -1 |
+ * 3 | file < limit; sign > 0 | ? / 1 |
+ * 4 | file > limit; sign = 0 | -1 / -1 |
+ * 5 | file = limit; sign = 0 | ? / 1 | <- (see the Note below)
+ * 6 | file < limit; sign = 0 | ? / -1 |
+ * 7 | file > limit; sign < 0 | 1 / 1 |
+ * 8 | file = limit; sign < 0 | ? / -1 |
+ * 9 | file < limit; sign < 0 | ? / -1 |
+ * --------------------------------------
+ * Note: 5th actually means that the value is within the interval
+ * (limit - margin, limit]. */
+static int find_value_cmp(unsigned long long file, unsigned long long limit,
+ int sign, int negopt, unsigned long long margin,
+ int mds)
+{
+ int ret = -1;
+
+ if (sign > 0) {
+ /* Drop the fraction of margin (of days). */
+ if (file + margin <= limit)
+ ret = mds ? 0 : 1;
+ } else if (sign == 0) {
+ if (file <= limit && file + margin > limit)
+ ret = mds ? 0 : 1;
+ else if (file + margin <= limit)
+ ret = mds ? 0 : -1;
+ } else if (sign < 0) {
+ if (file > limit)
+ ret = 1;
+ else if (mds)
+ ret = 0;
+ }
+
+ return negopt ? ~ret + 1 : ret;
+}
+
+static inline struct lov_user_md *
+lov_comp_entry(struct lov_comp_md_v1 *comp_v1, int ent_idx)
+{
+ return (struct lov_user_md *)((char *)comp_v1 +
+ comp_v1->lcm_entries[ent_idx].lcme_offset);
+}
+
+static inline struct lov_user_ost_data_v1 *
+lov_v1v3_objects(struct lov_user_md *v1)
+{
+ if (v1->lmm_magic == LOV_USER_MAGIC_V3)
+ return ((struct lov_user_md_v3 *)v1)->lmm_objects;
else
- magic = *(__u32 *)¶m->fp_lmd->lmd_lmm; /* lum->lmm_magic */
+ return v1->lmm_objects;
+}
- switch (magic) {
- case LOV_USER_MAGIC_V1:
+static inline void
+lov_v1v3_pool_name(struct lov_user_md *v1, char *pool_name)
+{
+ if (v1->lmm_magic == LOV_USER_MAGIC_V3)
+ strlcpy(pool_name, ((struct lov_user_md_v3 *)v1)->lmm_pool_name,
+ LOV_MAXPOOLNAME);
+ else
+ pool_name[0] = '\0';
+}
+
+static inline bool
+print_last_init_comp(struct find_param *param)
+{
+ /* print all component info */
+ if ((param->fp_verbose & VERBOSE_DEFAULT) == VERBOSE_DEFAULT)
+ return false;
+
+ /* print specific component info */
+ if (param->fp_check_comp_id || param->fp_check_comp_flags ||
+ param->fp_check_comp_start || param->fp_check_comp_end)
+ return false;
+
+ return true;
+}
+
+static int find_comp_end_cmp(unsigned long long end, struct find_param *param)
+{
+ int match;
+
+ if (param->fp_comp_end == LUSTRE_EOF) {
+ if (param->fp_comp_end_sign == 0) /* equal to EOF */
+ match = end == LUSTRE_EOF ? 1 : -1;
+ else if (param->fp_comp_end_sign > 0) /* at most EOF */
+ match = end == LUSTRE_EOF ? -1 : 1;
+ else /* at least EOF */
+ match = -1;
+ if (param->fp_exclude_comp_end)
+ match = ~match + 1;
+ } else {
+ unsigned long long margin;
+
+ margin = end == LUSTRE_EOF ? 0 : param->fp_comp_end_units;
+ match = find_value_cmp(end, param->fp_comp_end,
+ param->fp_comp_end_sign,
+ param->fp_exclude_comp_end, margin, 0);
+ }
+
+ return match;
+}
+
+/**
+ * An example of "getstripe -v" for a two components PFL file:
+ *
+ * composite_header:
+ * lcm_magic: 0x0BD60BD0
+ * lcm_size: 264
+ * lcm_flags: 0
+ * lcm_layout_gen: 2
+ * lcm_entry_count: 2
+ * components:
+ * - lcme_id: 1
+ * lcme_flags: 0x10
+ * lcme_extent.e_start: 0
+ * lcme_extent.e_end: 1048576
+ * lcme_offset: 128
+ * lcme_size: 56
+ * sub_layout:
+ * lmm_magic: 0x0BD10BD0
+ * lmm_seq: 0x200000401
+ * lmm_object_id: 0x1
+ * lmm_fid: [0x200000401:0x1:0x0]
+ * lmm_stripe_count: 1
+ * lmm_stripe_size: 1048576
+ * lmm_pattern: 1
+ * lmm_layout_gen: 0
+ * lmm_stripe_offset: 0
+ * lmm_objects:
+ * - 0: { l_ost_idx: 0, l_fid: [0x100000000:0x2:0x0] }
+ *
+ * - lcme_id: 2
+ * lcme_flags: 0x10
+ * lcme_extent.e_start: 1048576
+ * lcme_extent.e_end: EOF
+ * lcme_offset: 184
+ * lcme_size: 80
+ * sub_layout:
+ * lmm_magic: 0x0BD10BD0
+ * lmm_seq: 0x200000401
+ * lmm_object_id: 0x1
+ * lmm_fid: [0x200000401:0x1:0x0]
+ * lmm_stripe_count: 2
+ * lmm_stripe_size: 1048576
+ * lmm_pattern: 1
+ * lmm_layout_gen: 0
+ * lmm_stripe_offset: 1
+ * lmm_objects:
+ * - 0: { l_ost_idx: 1, l_fid: [0x100010000:0x2:0x0] }
+ * - 1: { l_ost_idx: 0, l_fid: [0x100000000:0x3:0x0] }
+ */
+static void lov_dump_comp_v1(struct find_param *param, char *path,
+ enum lov_dump_flags flags)
+{
+ struct lov_comp_md_entry_v1 *entry;
+ struct lov_user_ost_data_v1 *objects;
+ struct lov_comp_md_v1 *comp_v1 = (void *)¶m->fp_lmd->lmd_lmm;
+ struct lov_user_md_v1 *v1;
+ char pool_name[LOV_MAXPOOLNAME + 1];
+ int obdindex = param->fp_obd_index;
+ int i, j, match, obdstripe = 0;
+
+ if (obdindex != OBD_NOT_FOUND) {
+ for (i = 0; !(flags & LDF_IS_DIR) &&
+ i < comp_v1->lcm_entry_count; i++) {
+ if (!(comp_v1->lcm_entries[i].lcme_flags &
+ LCME_FL_INIT))
+ continue;
+
+ v1 = lov_comp_entry(comp_v1, i);
+ objects = lov_v1v3_objects(v1);
+
+ for (j = 0; j < v1->lmm_stripe_count; j++) {
+ if (obdindex == objects[j].l_ost_idx) {
+ obdstripe = 1;
+ break;
+ }
+ }
+ }
+ } else {
+ obdstripe = 1;
+ }
+
+ if (obdstripe == 0)
+ return;
+
+ lov_dump_comp_v1_header(param, path, flags);
+
+ flags |= LDF_INDENT;
+
+ for (i = 0; i < comp_v1->lcm_entry_count; i++) {
+ entry = &comp_v1->lcm_entries[i];
+
+ if (param->fp_check_comp_flags) {
+ if ((param->fp_exclude_comp_flags &&
+ (param->fp_comp_flags & entry->lcme_flags)) ||
+ (!param->fp_exclude_comp_flags &&
+ !(param->fp_comp_flags & entry->lcme_flags)))
+ continue;
+ }
+
+ if (param->fp_check_comp_id &&
+ param->fp_comp_id != entry->lcme_id)
+ continue;
+
+ if (param->fp_check_comp_start) {
+ match = find_value_cmp(entry->lcme_extent.e_start,
+ param->fp_comp_start,
+ param->fp_comp_start_sign,
+ 0,
+ param->fp_comp_start_units, 0);
+ if (match == -1)
+ continue;
+ }
+
+ if (param->fp_check_comp_end) {
+ match = find_comp_end_cmp(entry->lcme_extent.e_end,
+ param);
+ if (match == -1)
+ continue;
+ }
+
+ if (print_last_init_comp(param)) {
+ /**
+ * if part of stripe info is needed, we'd print only
+ * the last instantiated component info.
+ */
+ if (entry->lcme_flags & LCME_FL_INIT)
+ continue;
+ else
+ break;
+ }
+
+ if (entry->lcme_flags & LCME_FL_INIT)
+ flags &= ~LDF_SKIP_OBJS;
+ else
+ flags |= LDF_SKIP_OBJS;
+
+ lov_dump_comp_v1_entry(param, flags, i);
+
+ v1 = lov_comp_entry(comp_v1, i);
+ objects = lov_v1v3_objects(v1);
+ lov_v1v3_pool_name(v1, pool_name);
+
+ lov_dump_user_lmm_v1v3(v1, pool_name, objects, path, obdindex,
+ param->fp_max_depth, param->fp_verbose,
+ flags);
+ }
+ if (print_last_init_comp(param)) {
+ /**
+ * directory layout contains only layout template, print the
+ * last component.
+ */
+ if (i == 0)
+ i = comp_v1->lcm_entry_count - 1;
+ else
+ i--;
+ flags &= ~LDF_SKIP_OBJS;
+
+ lov_dump_comp_v1_entry(param, flags, i);
+
+ v1 = lov_comp_entry(comp_v1, i);
+ objects = lov_v1v3_objects(v1);
+ lov_v1v3_pool_name(v1, pool_name);
+
+ lov_dump_user_lmm_v1v3(v1, pool_name, objects, path, obdindex,
+ param->fp_max_depth, param->fp_verbose,
+ flags);
+ }
+}
+
+#define VERBOSE_COMP_OPTS (VERBOSE_COMP_COUNT | VERBOSE_COMP_ID | \
+ VERBOSE_COMP_START | VERBOSE_COMP_END | \
+ VERBOSE_COMP_FLAGS)
+
+static inline bool has_any_comp_options(struct find_param *param)
+{
+ int verbose = param->fp_verbose;
+
+ if (param->fp_check_comp_id || param->fp_check_comp_count ||
+ param->fp_check_comp_start || param->fp_check_comp_end ||
+ param->fp_check_comp_flags)
+ return true;
+
+ /* show full layout information, not component specific */
+ if ((verbose & ~VERBOSE_DETAIL) == VERBOSE_DEFAULT)
+ return false;
+
+ return verbose & VERBOSE_COMP_OPTS;
+}
+
+struct lov_user_mds_data *lov_forge_comp_v1(struct lov_user_mds_data *orig,
+ bool is_dir)
+{
+ struct lov_user_md *lum = &orig->lmd_lmm;
+ struct lov_user_mds_data *new;
+ struct lov_comp_md_v1 *comp_v1;
+ struct lov_comp_md_entry_v1 *ent;
+ int lum_off = sizeof(*comp_v1) + sizeof(*ent);
+ int lum_size = lov_user_md_size(is_dir ? 0 : lum->lmm_stripe_count,
+ lum->lmm_magic);
+
+ new = malloc(sizeof(lstat_t) + lum_off + lum_size);
+ if (new == NULL) {
+ llapi_printf(LLAPI_MSG_NORMAL, "out of memory\n");
+ return new;
+ }
+
+ memcpy(new, orig, sizeof(lstat_t));
+
+ comp_v1 = (struct lov_comp_md_v1 *)&new->lmd_lmm;
+ comp_v1->lcm_magic = lum->lmm_magic;
+ comp_v1->lcm_size = lum_off + lum_size;
+ comp_v1->lcm_layout_gen = is_dir ? 0 : lum->lmm_layout_gen;
+ comp_v1->lcm_flags = 0;
+ comp_v1->lcm_entry_count = 1;
+
+ ent = &comp_v1->lcm_entries[0];
+ ent->lcme_id = 0;
+ ent->lcme_flags = is_dir ? 0 : LCME_FL_INIT;
+ ent->lcme_extent.e_start = 0;
+ ent->lcme_extent.e_end = LUSTRE_EOF;
+ ent->lcme_offset = lum_off;
+ ent->lcme_size = lum_size;
+
+ memcpy((char *)comp_v1 + lum_off, lum, lum_size);
+
+ return new;
+}
+
+static void lov_dump_plain_user_lmm(struct find_param *param, char *path,
+ enum lov_dump_flags flags)
+{
+ __u32 magic = *(__u32 *)¶m->fp_lmd->lmd_lmm;
+
+ if (has_any_comp_options(param)) {
+ struct lov_user_mds_data *new_lmd, *orig_lmd;
+
+ orig_lmd = param->fp_lmd;
+ new_lmd = lov_forge_comp_v1(orig_lmd, flags & LDF_IS_DIR);
+ if (new_lmd != NULL) {
+ param->fp_lmd = new_lmd;
+ lov_dump_comp_v1(param, path, flags);
+ param->fp_lmd = orig_lmd;
+ free(new_lmd);
+ }
+ return;
+ }
+
+ if (magic == LOV_USER_MAGIC_V1) {
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;
+ path, param->fp_obd_index,
+ param->fp_max_depth, param->fp_verbose,
+ flags);
+ } else {
+ char pool_name[LOV_MAXPOOLNAME + 1];
+ struct lov_user_ost_data_v1 *objects;
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;
- }
+ lov_dump_user_lmm_v1v3(¶m->fp_lmd->lmd_lmm, pool_name,
+ objects, path, param->fp_obd_index,
+ param->fp_max_depth, param->fp_verbose,
+ flags);
+ }
+}
+
+static void llapi_lov_dump_user_lmm(struct find_param *param, char *path,
+ enum lov_dump_flags flags)
+{
+ __u32 magic;
+
+ if (param->fp_get_lmv || param->fp_get_default_lmv)
+ magic = (__u32)param->fp_lmv_md->lum_magic;
+ else
+ magic = *(__u32 *)¶m->fp_lmd->lmd_lmm; /* lum->lmm_magic */
+
+ if (param->fp_raw)
+ flags |= LDF_IS_RAW;
+ if (param->fp_yaml)
+ flags |= LDF_YAML;
+
+ switch (magic) {
+ case LOV_USER_MAGIC_V1:
+ case LOV_USER_MAGIC_V3:
+ lov_dump_plain_user_lmm(param, path, flags);
+ break;
case LMV_MAGIC_V1:
case LMV_USER_MAGIC: {
char pool_name[LOV_MAXPOOLNAME + 1];
lum = (struct lmv_user_md *)param->fp_lmv_md;
strlcpy(pool_name, lum->lum_pool_name, sizeof(pool_name));
- lmv_dump_user_lmm(lum,
- pool_name[0] == '\0' ? NULL : pool_name,
- path, param->fp_obd_index,
- param->fp_max_depth, param->fp_verbose);
+ lmv_dump_user_lmm(lum, pool_name, path, param->fp_obd_index,
+ param->fp_max_depth, param->fp_verbose,
+ flags);
break;
}
+ case LOV_USER_MAGIC_COMP_V1:
+ lov_dump_comp_v1(param, path, flags);
+ break;
default:
llapi_printf(LLAPI_MSG_NORMAL, "unknown lmm_magic: %#x "
"(expecting one of %#x %#x %#x %#x)\n",
int llapi_file_get_stripe(const char *path, struct lov_user_md *lum)
{
- const char *fname;
- char *dname;
- int fd, rc = 0;
-
- fname = strrchr(path, '/');
-
- /* It should be a file (or other non-directory) */
- if (fname == NULL) {
- dname = (char *)malloc(2);
- if (dname == NULL)
- return -ENOMEM;
- strcpy(dname, ".");
- fname = (char *)path;
- } else {
- dname = (char *)malloc(fname - path + 1);
- if (dname == NULL)
- return -ENOMEM;
- strncpy(dname, path, fname - path);
- dname[fname - path] = '\0';
- fname++;
- }
+ const char *fname;
+ char *dname;
+ int fd, rc = 0;
- fd = open(dname, O_RDONLY);
- if (fd == -1) {
- rc = -errno;
- free(dname);
- return rc;
- }
+ fname = strrchr(path, '/');
- strcpy((char *)lum, fname);
- if (ioctl(fd, IOC_MDC_GETFILESTRIPE, (void *)lum) == -1)
- rc = -errno;
+ /* It should be a file (or other non-directory) */
+ if (fname == NULL) {
+ dname = (char *)malloc(2);
+ if (dname == NULL)
+ return -ENOMEM;
+ strcpy(dname, ".");
+ fname = (char *)path;
+ } else {
+ dname = (char *)malloc(fname - path + 1);
+ if (dname == NULL)
+ return -ENOMEM;
+ strncpy(dname, path, fname - path);
+ dname[fname - path] = '\0';
+ fname++;
+ }
- if (close(fd) == -1 && rc == 0)
- rc = -errno;
+ fd = open(dname, O_RDONLY | O_NONBLOCK);
+ if (fd == -1) {
+ rc = -errno;
+ free(dname);
+ return rc;
+ }
- free(dname);
- return rc;
+ strcpy((char *)lum, fname);
+ if (ioctl(fd, IOC_MDC_GETFILESTRIPE, (void *)lum) == -1)
+ rc = -errno;
+
+ if (close(fd) == -1 && rc == 0)
+ rc = -errno;
+
+ free(dname);
+ return rc;
}
int llapi_file_lookup(int dirfd, const char *name)
return rc;
}
-/* Check if the value matches 1 of the given criteria (e.g. --atime +/-N).
- * @mds indicates if this is MDS timestamps and there are attributes on OSTs.
- *
- * The result is -1 if it does not match, 0 if not yet clear, 1 if matches.
- * The table below gives the answers for the specified parameters (value and
- * sign), 1st column is the answer for the MDS value, the 2nd is for the OST:
- * --------------------------------------
- * 1 | file > limit; sign > 0 | -1 / -1 |
- * 2 | file = limit; sign > 0 | -1 / -1 |
- * 3 | file < limit; sign > 0 | ? / 1 |
- * 4 | file > limit; sign = 0 | -1 / -1 |
- * 5 | file = limit; sign = 0 | ? / 1 | <- (see the Note below)
- * 6 | file < limit; sign = 0 | ? / -1 |
- * 7 | file > limit; sign < 0 | 1 / 1 |
- * 8 | file = limit; sign < 0 | ? / -1 |
- * 9 | file < limit; sign < 0 | ? / -1 |
- * --------------------------------------
- * Note: 5th actually means that the value is within the interval
- * (limit - margin, limit]. */
-static int find_value_cmp(unsigned long long file, unsigned long long limit,
- int sign, int negopt, unsigned long long margin,
- int mds)
-{
- int ret = -1;
-
- if (sign > 0) {
- /* Drop the fraction of margin (of days). */
- if (file + margin <= limit)
- ret = mds ? 0 : 1;
- } else if (sign == 0) {
- if (file <= limit && file + margin > limit)
- ret = mds ? 0 : 1;
- else if (file + margin <= limit)
- ret = mds ? 0 : -1;
- } else if (sign < 0) {
- if (file > limit)
- ret = 1;
- else if (mds)
- ret = 0;
- }
-
- return negopt ? ~ret + 1 : ret;
-}
-
/* Check if the file time matches all the given criteria (e.g. --atime +/-N).
* Return -1 or 1 if file timestamp does not or does match the given criteria
* correspondingly. Return 0 if the MDS time is being checked and there are
*/
static int check_obd_match(struct find_param *param)
{
+ struct lov_user_ost_data_v1 *objects;
+ struct lov_comp_md_v1 *comp_v1 = NULL;
+ struct lov_user_md_v1 *v1 = ¶m->fp_lmd->lmd_lmm;
lstat_t *st = ¶m->fp_lmd->lmd_st;
- struct lov_user_ost_data_v1 *lmm_objects;
- int i, j;
+ int i, j, k, count = 1;
if (param->fp_obd_uuid && param->fp_obd_index == OBD_NOT_FOUND)
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 (v1->lmm_magic == LOV_USER_MAGIC_COMP_V1) {
+ comp_v1 = (struct lov_comp_md_v1 *)v1;
+ count = comp_v1->lcm_entry_count;
+ }
- if (param->fp_lmd->lmd_lmm.lmm_magic ==
- LOV_USER_MAGIC_V3) {
- struct lov_user_md_v3 *lmmv3 = (void *)¶m->fp_lmd->lmd_lmm;
+ for (i = 0; i < count; i++) {
+ if (comp_v1)
+ v1 = lov_comp_entry(comp_v1, i);
- 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;
- }
+ objects = lov_v1v3_objects(v1);
- 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;
+ for (j = 0; j < v1->lmm_stripe_count; j++) {
+ for (k = 0; k < param->fp_num_obds; k++) {
+ if (param->fp_obd_indexes[k] ==
+ objects[j].l_ost_idx)
+ return !param->fp_exclude_obd;
}
}
}
- if (param->fp_exclude_obd)
- return 1;
-
- return 0;
+ return param->fp_exclude_obd;
}
static int check_mdt_match(struct find_param *param)
{
struct obd_statfs stat_buf;
struct obd_uuid uuid_buf;
- int ret;
+ int ret;
- LASSERT(type == LL_STATFS_LOV || type == LL_STATFS_LMV);
+ if (type != LL_STATFS_LOV && type != LL_STATFS_LMV)
+ return -EINVAL;
memset(&stat_buf, 0, sizeof(struct obd_statfs));
memset(&uuid_buf, 0, sizeof(struct obd_uuid));
return ret;
}
+static int find_check_stripe_size(struct find_param *param)
+{
+ struct lov_comp_md_v1 *comp_v1 = NULL;
+ struct lov_user_md_v1 *v1 = ¶m->fp_lmd->lmd_lmm;
+ int ret, i, count = 1;
+
+ if (v1->lmm_magic == LOV_USER_MAGIC_COMP_V1) {
+ comp_v1 = (struct lov_comp_md_v1 *)v1;
+ count = comp_v1->lcm_entry_count;
+ ret = param->fp_exclude_stripe_size ? 1 : -1;
+ }
+
+ for (i = 0; i < count; i++) {
+ if (comp_v1)
+ v1 = lov_comp_entry(comp_v1, i);
+
+ ret = find_value_cmp(v1->lmm_stripe_size, param->fp_stripe_size,
+ param->fp_stripe_size_sign,
+ param->fp_exclude_stripe_size,
+ param->fp_stripe_size_units, 0);
+ /* If any stripe_size matches */
+ if (ret != -1)
+ break;
+ }
+
+ return ret;
+}
+
+static __u32 find_get_stripe_count(struct find_param *param)
+{
+ struct lov_comp_md_v1 *comp_v1 = NULL;
+ struct lov_user_md_v1 *v1 = ¶m->fp_lmd->lmd_lmm;
+ int i, count = 1;
+ __u32 stripe_count = 0;
+
+ if (v1->lmm_magic == LOV_USER_MAGIC_COMP_V1) {
+ comp_v1 = (struct lov_comp_md_v1 *)v1;
+ count = comp_v1->lcm_entry_count;
+ }
+
+ for (i = 0; i < count; i++) {
+ if (comp_v1)
+ v1 = lov_comp_entry(comp_v1, i);
+ stripe_count += v1->lmm_stripe_count;
+ }
+
+ return stripe_count;
+}
+
+#define LOV_PATTERN_INVALID 0xFFFFFFFF
+
+static int find_check_layout(struct find_param *param)
+{
+ struct lov_comp_md_v1 *comp_v1 = NULL;
+ struct lov_user_md_v1 *v1 = ¶m->fp_lmd->lmd_lmm;
+ int i, count = 1;
+ bool found = false, valid = false;
+
+ if (v1->lmm_magic == LOV_USER_MAGIC_COMP_V1) {
+ comp_v1 = (struct lov_comp_md_v1 *)v1;
+ count = comp_v1->lcm_entry_count;
+ }
+
+ for (i = 0; i < count; i++) {
+ if (comp_v1)
+ v1 = lov_comp_entry(comp_v1, i);
+
+ if (v1->lmm_pattern == LOV_PATTERN_INVALID)
+ continue;
+
+ valid = true;
+ if (v1->lmm_pattern & param->fp_layout) {
+ found = true;
+ break;
+ }
+ }
+
+ if (!valid)
+ return -1;
+
+ if ((found && !param->fp_exclude_layout) ||
+ (!found && param->fp_exclude_layout))
+ return 1;
+
+ return -1;
+}
+
+static int find_check_pool(struct find_param *param)
+{
+ struct lov_comp_md_v1 *comp_v1 = NULL;
+ struct lov_user_md_v1 *v1 = ¶m->fp_lmd->lmd_lmm;
+ struct lov_user_md_v3 *v3 = (void *)v1;
+ int i, count = 1;
+ bool found = false;
+
+ if (v1->lmm_magic == LOV_USER_MAGIC_COMP_V1) {
+ comp_v1 = (struct lov_comp_md_v1 *)v1;
+ count = comp_v1->lcm_entry_count;
+ /* empty requested pool is taken as no pool search */
+ if (count == 0 && param->fp_poolname[0] == '\0')
+ found = true;
+ }
+
+ for (i = 0; i < count; i++) {
+ if (comp_v1 != NULL)
+ v1 = lov_comp_entry(comp_v1, i);
+
+ if (((v1->lmm_magic == LOV_USER_MAGIC_V1) &&
+ (param->fp_poolname[0] == '\0')) ||
+ ((v1->lmm_magic == LOV_USER_MAGIC_V3) &&
+ (strncmp(v3->lmm_pool_name,
+ param->fp_poolname, LOV_MAXPOOLNAME) == 0)) ||
+ ((v1->lmm_magic == LOV_USER_MAGIC_V3) &&
+ (strcmp(param->fp_poolname, "*") == 0))) {
+ found = true;
+ break;
+ }
+ }
+
+ if ((found && !param->fp_exclude_pool) ||
+ (!found && param->fp_exclude_pool))
+ return 1;
+
+ return -1;
+}
+
+static int find_check_comp_options(struct find_param *param)
+{
+ lstat_t *st = ¶m->fp_lmd->lmd_st;
+ struct lov_comp_md_v1 *comp_v1, *forged_v1 = NULL;
+ struct lov_user_md_v1 *v1 = ¶m->fp_lmd->lmd_lmm;
+ struct lov_comp_md_entry_v1 *entry;
+ int i, ret = 0;
+
+ if (v1->lmm_magic == LOV_USER_MAGIC_COMP_V1) {
+ comp_v1 = (struct lov_comp_md_v1 *)v1;
+ } else {
+ forged_v1 = malloc(sizeof(*forged_v1) + sizeof(*entry));
+ if (forged_v1 == NULL)
+ return -1;
+ comp_v1 = forged_v1;
+ comp_v1->lcm_entry_count = 1;
+ entry = &comp_v1->lcm_entries[0];
+ entry->lcme_flags = S_ISDIR(st->st_mode) ? 0 : LCME_FL_INIT;
+ entry->lcme_extent.e_start = 0;
+ entry->lcme_extent.e_end = LUSTRE_EOF;
+ }
+
+ /* invalid case, don't match for any kind of search. */
+ if (comp_v1->lcm_entry_count == 0) {
+ ret = -1;
+ goto out;
+ }
+
+ if (param->fp_check_comp_count) {
+ ret = find_value_cmp(forged_v1 ? 0 : comp_v1->lcm_entry_count,
+ param->fp_comp_count,
+ param->fp_comp_count_sign,
+ param->fp_exclude_comp_count, 1, 0);
+ if (ret == -1)
+ goto out;
+ }
+
+ ret = 1;
+ for (i = 0; i < comp_v1->lcm_entry_count; i++) {
+ entry = &comp_v1->lcm_entries[i];
+
+ if (param->fp_check_comp_flags) {
+ if (((entry->lcme_flags & param->fp_comp_flags) &&
+ param->fp_exclude_comp_flags) ||
+ (!(entry->lcme_flags & param->fp_comp_flags) &&
+ !param->fp_exclude_comp_flags))
+ ret = -1;
+ else
+ ret = 1;
+
+ if (ret == -1)
+ continue;
+ }
+
+ if (param->fp_check_comp_start) {
+ ret = find_value_cmp(entry->lcme_extent.e_start,
+ param->fp_comp_start,
+ param->fp_comp_start_sign,
+ param->fp_exclude_comp_start,
+ param->fp_comp_start_units, 0);
+ if (ret == -1)
+ continue;
+ }
+
+ if (param->fp_check_comp_end) {
+ ret = find_comp_end_cmp(entry->lcme_extent.e_end,
+ param);
+ if (ret == -1)
+ continue;
+ }
+
+ /* the component matches all criteria */
+ break;
+ }
+out:
+ if (forged_v1 != NULL)
+ free(forged_v1);
+ return ret;
+}
+
+static bool find_check_lmm_info(struct find_param *param)
+{
+ return param->fp_check_pool || param->fp_check_stripe_count ||
+ param->fp_check_stripe_size || param->fp_check_layout ||
+ param->fp_check_comp_count || param->fp_check_comp_end ||
+ param->fp_check_comp_start || param->fp_check_comp_flags ||
+ param->fp_check_projid;
+}
+
+/*
+ * Get file/directory project id.
+ * by the open fd resides on.
+ * Return 0 and project id on success, or -ve errno.
+ */
+static int fget_projid(int fd, int *projid)
+{
+ struct fsxattr fsx;
+ int rc;
+
+ rc = ioctl(fd, LL_IOC_FSGETXATTR, &fsx);
+ if (rc)
+ return -errno;
+
+ *projid = fsx.fsx_projid;
+ return 0;
+}
+
static int cb_find_init(char *path, DIR *parent, DIR **dirp,
void *data, struct dirent64 *de)
{
- struct find_param *param = (struct find_param *)data;
+ struct find_param *param = (struct find_param *)data;
DIR *dir = dirp == NULL ? NULL : *dirp;
- int decision = 1; /* 1 is accepted; -1 is rejected. */
+ int decision = 1; /* 1 is accepted; -1 is rejected. */
lstat_t *st = ¶m->fp_lmd->lmd_st;
- int lustre_fs = 1;
- int checked_type = 0;
- int ret = 0;
-
- LASSERT(parent != NULL || dir != NULL);
+ int lustre_fs = 1;
+ int checked_type = 0;
+ int ret = 0;
+ __u32 stripe_count = 0;
+ int fd = -2;
- param->fp_lmd->lmd_lmm.lmm_stripe_count = 0;
+ if (parent == NULL && dir == NULL)
+ return -EINVAL;
/* If a regular expression is presented, make the initial decision */
if (param->fp_pattern != NULL) {
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)
+ param->fp_check_size || find_check_lmm_info(param) ||
+ param->fp_check_mdt_count || param->fp_check_hash_type)
decision = 0;
if (param->fp_type != 0 && checked_type == 0)
decision = 0;
if (decision == 0) {
+ if (param->fp_check_mdt_count || param->fp_check_hash_type) {
+ param->fp_get_lmv = 1;
+ ret = cb_get_dirstripe(path, dir, param);
+ if (ret != 0)
+ return ret;
+ }
+
+ param->fp_lmd->lmd_lmm.lmm_magic = 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)) {
+ find_check_lmm_info(param)) {
struct lov_user_md *lmm = ¶m->fp_lmd->lmd_lmm;
/* We need to "fake" the "use the default" values
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
if (fd > 0) {
ret = llapi_file_fget_mdtidx(fd,
¶m->fp_file_mdt_index);
- close(fd);
} else {
ret = -errno;
}
if (ret == -ENOENT)
goto decided;
- return ret;
+ goto out;
+ } else {
+ stripe_count = find_get_stripe_count(param);
}
}
ret = setup_target_indexes(dir ? dir : parent, path,
param);
if (ret)
- return ret;
+ goto out;
param->fp_dev = st->st_dev;
} else if (!lustre_fs && param->fp_got_uuids) {
}
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);
+ decision = find_check_stripe_size(param);
if (decision == -1)
goto decided;
}
if (param->fp_check_stripe_count) {
+ decision = find_value_cmp(stripe_count, param->fp_stripe_count,
+ param->fp_stripe_count_sign,
+ param->fp_exclude_stripe_count, 1, 0);
+ if (decision == -1)
+ goto decided;
+ }
+
+ if (param->fp_check_mdt_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);
+ param->fp_lmv_md->lum_stripe_count,
+ param->fp_mdt_count,
+ param->fp_mdt_count_sign,
+ param->fp_exclude_mdt_count, 1, 0);
if (decision == -1)
goto decided;
- }
+ }
if (param->fp_check_layout) {
+ decision = find_check_layout(param);
+ if (decision == -1)
+ goto decided;
+ }
+
+ if (param->fp_check_hash_type) {
__u32 found;
- found = (param->fp_lmd->lmd_lmm.lmm_pattern & param->fp_layout);
- if ((param->fp_lmd->lmd_lmm.lmm_pattern == 0xFFFFFFFF) ||
- (found && param->fp_exclude_layout) ||
- (!found && !param->fp_exclude_layout)) {
+ found = param->fp_lmv_md->lum_hash_type & param->fp_hash_type;
+ if ((found && param->fp_exclude_hash_type) ||
+ (!found && !param->fp_exclude_hash_type)) {
decision = -1;
goto decided;
}
}
}
- if (param->fp_check_pool) {
- struct lov_user_md_v3 *lmmv3 = (void *)¶m->fp_lmd->lmd_lmm;
+ if (param->fp_check_projid) {
+ int projid = 0;
- /* 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)
+ if (fd == -2)
+ fd = open(path, O_RDONLY);
+
+ if (fd > 0)
+ ret = fget_projid(fd, &projid);
+ else
+ ret = -errno;
+ if (ret)
+ goto out;
+ if (projid == param->fp_projid) {
+ if (param->fp_exclude_uid)
goto decided;
} else {
- if (!param->fp_exclude_pool)
+ if (!param->fp_exclude_projid)
goto decided;
}
}
+ if (param->fp_check_pool) {
+ decision = find_check_pool(param);
+ if (decision == -1)
+ goto decided;
+ }
+
+ if (param->fp_check_comp_count || param->fp_check_comp_flags ||
+ param->fp_check_comp_start || param->fp_check_comp_end) {
+ decision = find_check_comp_options(param);
+ if (decision == -1)
+ goto decided;
+ }
+
/* Check the time on mds. */
decision = 1;
if (param->fp_atime || param->fp_mtime || param->fp_ctime) {
int for_mds;
- for_mds = lustre_fs ? (S_ISREG(st->st_mode) &&
- param->fp_lmd->lmd_lmm.lmm_stripe_count)
- : 0;
+ for_mds = lustre_fs ?
+ (S_ISREG(st->st_mode) && 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->fp_check_size && S_ISREG(st->st_mode) &&
- param->fp_lmd->lmd_lmm.lmm_stripe_count)
- decision = 0;
+ if (param->fp_check_size && S_ISREG(st->st_mode) && stripe_count)
+ decision = 0;
if (param->fp_check_size && S_ISDIR(st->st_mode))
decision = 0;
__func__, path);
goto decided;
} else {
- ret = -errno;
- llapi_error(LLAPI_MSG_ERROR, ret,
- "%s: IOC_LOV_GETINFO on %s failed",
- __func__, path);
- return ret;
- }
- }
+ ret = -errno;
+ llapi_error(LLAPI_MSG_ERROR, ret,
+ "%s: IOC_LOV_GETINFO on %s failed",
+ __func__, path);
+ goto out;
+ }
+ }
- /* Check the time on osc. */
- decision = find_time_check(st, param, 0);
- if (decision == -1)
- goto decided;
- }
+ /* Check the time on osc. */
+ decision = find_time_check(st, param, 0);
+ if (decision == -1)
+ goto decided;
+ }
if (param->fp_check_size)
decision = find_value_cmp(st->st_size, param->fp_size,
param->fp_exclude_size,
param->fp_size_units, 0);
- if (decision != -1) {
- llapi_printf(LLAPI_MSG_NORMAL, "%s", path);
+ if (decision != -1) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", path);
if (param->fp_zero_end)
- llapi_printf(LLAPI_MSG_NORMAL, "%c", '\0');
- else
- llapi_printf(LLAPI_MSG_NORMAL, "\n");
- }
+ llapi_printf(LLAPI_MSG_NORMAL, "%c", '\0');
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, "\n");
+ }
decided:
- /* Do not get down anymore? */
- if (param->fp_depth == param->fp_max_depth)
- return 1;
-
+ ret = 0;
+ /* Do not get down anymore? */
+ if (param->fp_depth == param->fp_max_depth) {
+ ret = 1;
+ goto out;
+ }
param->fp_depth++;
-
- return 0;
+out:
+ if (fd > 0)
+ close(fd);
+ return ret;
}
-static int cb_mv_init(char *path, DIR *parent, DIR **dirp,
- void *param_data, struct dirent64 *de)
+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;
+ DIR *tmp_parent = parent;
char raw[OBD_MAX_IOCTL_BUFFER] = {'\0'};
char *rawbuf = raw;
struct obd_ioctl_data data = { 0 };
int fd;
int ret;
+ char *path_copy;
char *filename;
+ bool retry = false;
+
+ if (parent == NULL && dirp == NULL)
+ return -EINVAL;
- LASSERT(parent != NULL || dirp != NULL);
if (dirp != NULL)
closedir(*dirp);
if (parent == NULL) {
- dir = opendir_parent(path);
- if (dir == NULL) {
+ tmp_parent = opendir_parent(path);
+ if (tmp_parent == NULL) {
*dirp = NULL;
ret = -errno;
llapi_error(LLAPI_MSG_ERROR, ret,
}
}
- fd = dirfd(dir);
+ fd = dirfd(tmp_parent);
- filename = basename(path);
+ path_copy = strdup(path);
+ filename = basename(path_copy);
data.ioc_inlbuf1 = (char *)filename;
data.ioc_inllen1 = strlen(filename) + 1;
data.ioc_inlbuf2 = (char *)¶m->fp_mdt_index;
goto out;
}
+migrate:
ret = ioctl(fd, LL_IOC_MIGRATE, rawbuf);
if (ret != 0) {
+ if (errno == EBUSY && !retry) {
+ /* because migrate may not be able to lock all involved
+ * objects in order, for some of them it try lock, while
+ * there may be conflicting COS locks and cause migrate
+ * fail with EBUSY, hope a sync() could cause
+ * transaction commit and release these COS locks. */
+ sync();
+ retry = true;
+ goto migrate;
+ }
ret = -errno;
- fprintf(stderr, "%s migrate failed %d\n", path, ret);
+ 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",
* on the client side, and re-open to get the
* new directory handle */
*dirp = opendir(path);
- if (dirp == NULL) {
+ 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);
+ closedir(tmp_parent);
+
+ free(path_copy);
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)
{
- return param_callback(path, cb_mv_init, cb_common_fini, param);
+#if LUSTRE_VERSION_CODE > OBD_OCD_VERSION(2, 9, 59, 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)
int ret;
int mdtidx;
- LASSERT(parent != NULL || d != NULL);
+ if (parent == NULL && d == NULL)
+ return -EINVAL;
if (d != NULL) {
ret = llapi_file_fget_mdtidx(dirfd(d), &mdtidx);
DIR *d = dirp == NULL ? NULL : *dirp;
int ret = 0;
- LASSERT(parent != NULL || d != NULL);
+ if (parent == NULL && d == NULL)
+ return -EINVAL;
if (param->fp_obd_uuid) {
param->fp_quiet = 1;
- ret = setup_obd_uuid(d ? d : parent, path, param);
- if (ret)
- return ret;
- }
+ ret = setup_obd_uuid(d ? dirfd(d) : dirfd(parent), path, param);
+ if (ret)
+ return ret;
+ }
if (d) {
if (param->fp_get_lmv || param->fp_get_default_lmv) {
dump:
if (!(param->fp_verbose & VERBOSE_MDTINDEX))
- llapi_lov_dump_user_lmm(param, path, d ? 1 : 0);
+ llapi_lov_dump_user_lmm(param, path, d ? LDF_IS_DIR : 0);
out:
/* Do not get down anymore? */
cb_common_fini, param);
}
-int llapi_obd_statfs(char *path, __u32 type, __u32 index,
- struct obd_statfs *stat_buf,
- struct obd_uuid *uuid_buf)
+int llapi_obd_fstatfs(int fd, __u32 type, __u32 index,
+ struct obd_statfs *stat_buf, struct obd_uuid *uuid_buf)
{
- int fd;
char raw[OBD_MAX_IOCTL_BUFFER] = {'\0'};
char *rawbuf = raw;
struct obd_ioctl_data data = { 0 };
return rc;
}
- fd = open(path, O_RDONLY);
- if (errno == EISDIR)
- fd = open(path, O_DIRECTORY | O_RDONLY);
+ rc = ioctl(fd, IOC_OBD_STATFS, (void *)rawbuf);
+
+ return rc < 0 ? -errno : 0;
+}
+
+int llapi_obd_statfs(char *path, __u32 type, __u32 index,
+ struct obd_statfs *stat_buf, struct obd_uuid *uuid_buf)
+{
+ int fd;
+ int rc;
+ fd = open(path, O_RDONLY);
if (fd < 0) {
- rc = errno ? -errno : -EBADF;
+ rc = -errno;
llapi_error(LLAPI_MSG_ERROR, rc, "error: %s: opening '%s'",
__func__, path);
/* If we can't even open a file on the filesystem (e.g. with
* -ESHUTDOWN), force caller to exit or it will loop forever. */
return -ENODEV;
}
- rc = ioctl(fd, IOC_OBD_STATFS, (void *)rawbuf);
- if (rc)
- rc = errno ? -errno : -EINVAL;
-
- close(fd);
- return rc;
-}
-
-#define MAX_STRING_SIZE 128
-
-int llapi_ping(char *obd_type, char *obd_name)
-{
- char path[MAX_STRING_SIZE];
- char buf[1];
- int rc, fd;
-
- snprintf(path, MAX_STRING_SIZE, "/proc/fs/lustre/%s/%s/ping",
- obd_type, obd_name);
-
- fd = open(path, O_WRONLY);
- if (fd < 0) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "error opening %s", path);
- return rc;
- }
-
- /* The purpose is to send a byte as a ping, whatever this byte is. */
- /* coverity[uninit_use_in_call] */
- rc = write(fd, buf, 1);
- if (rc < 0)
- rc = -errno;
- close(fd);
-
- if (rc == 1)
- return 0;
- return rc;
-}
-
-int llapi_target_iterate(int type_num, char **obd_type,
- void *args, llapi_cb_t cb)
-{
- char buf[MAX_STRING_SIZE];
- FILE *fp = fopen(DEVICES_LIST, "r");
- int i, rc = 0;
-
- if (fp == NULL) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "error: opening "DEVICES_LIST);
- return rc;
- }
-
- while (fgets(buf, sizeof(buf), fp) != NULL) {
- char *obd_type_name = NULL;
- char *obd_name = NULL;
- char *obd_uuid = NULL;
- char *bufp = buf;
- struct obd_statfs osfs_buffer;
-
- while(bufp[0] == ' ')
- ++bufp;
-
- for(i = 0; i < 3; i++) {
- obd_type_name = strsep(&bufp, " ");
- }
- obd_name = strsep(&bufp, " ");
- obd_uuid = strsep(&bufp, " ");
-
- memset(&osfs_buffer, 0, sizeof (osfs_buffer));
-
- for (i = 0; i < type_num; i++) {
- if (strcmp(obd_type_name, obd_type[i]) != 0)
- continue;
-
- cb(obd_type_name, obd_name, obd_uuid, args);
- }
- }
- fclose(fp);
- return 0;
-}
-
-static void do_target_check(char *obd_type_name, char *obd_name,
- char *obd_uuid, void *args)
-{
- int rc;
-
- rc = llapi_ping(obd_type_name, obd_name);
- if (rc == ENOTCONN) {
- llapi_printf(LLAPI_MSG_NORMAL, "%s inactive.\n", obd_name);
- } else if (rc) {
- llapi_error(LLAPI_MSG_ERROR, rc, "error: check '%s'", obd_name);
- } else {
- llapi_printf(LLAPI_MSG_NORMAL, "%s active.\n", obd_name);
- }
-}
-int llapi_target_check(int type_num, char **obd_type, char *dir)
-{
- return llapi_target_iterate(type_num, obd_type, NULL, do_target_check);
-}
-
-#undef MAX_STRING_SIZE
-
-/* Is this a lustre fs? */
-int llapi_is_lustre_mnttype(const char *type)
-{
- return (strcmp(type, "lustre") == 0 || strcmp(type,"lustre_lite") == 0);
-}
-
-/* Is this a lustre client fs? */
-int llapi_is_lustre_mnt(struct mntent *mnt)
-{
- return (llapi_is_lustre_mnttype(mnt->mnt_type) &&
- strstr(mnt->mnt_fsname, ":/") != NULL);
-}
-
-int llapi_quotactl(char *mnt, struct if_quotactl *qctl)
-{
- 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), OBD_IOC_QUOTACTL, qctl);
- if (rc < 0)
- rc = -errno;
-
- closedir(root);
- return rc;
-}
-
-static int cb_quotachown(char *path, DIR *parent, DIR **dirp, void *data,
- struct dirent64 *de)
-{
- struct find_param *param = (struct find_param *)data;
- DIR *d = dirp == NULL ? NULL : *dirp;
- lstat_t *st;
- int rc;
-
- LASSERT(parent != NULL || d != NULL);
-
- rc = get_lmd_info(path, parent, d, param->fp_lmd, param->fp_lum_size);
- if (rc) {
- if (rc == -ENODATA) {
- if (!param->fp_obd_uuid && !param->fp_quiet)
- llapi_error(LLAPI_MSG_ERROR, -ENODATA,
- "%s has no stripe info", path);
- rc = 0;
- } else if (rc == -ENOENT) {
- rc = 0;
- }
- return rc;
- }
-
- st = ¶m->fp_lmd->lmd_st;
-
- /* libc chown() will do extra check, and if the real owner is
- * the same as the ones to set, it won't fall into kernel, so
- * invoke syscall directly. */
- rc = syscall(SYS_chown, path, -1, -1);
- if (rc)
- llapi_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.fp_recursive = 1;
- param.fp_verbose = 0;
- param.fp_quiet = 1;
-
- return param_callback(path, cb_quotachown, NULL, ¶m);
-}
-
-#include <pwd.h>
-#include <grp.h>
-#include <mntent.h>
-#include <sys/wait.h>
-#include <errno.h>
-#include <ctype.h>
-
-static int rmtacl_notify(int ops)
-{
- FILE *fp;
- struct mntent *mnt;
- int found = 0, fd = 0, rc = 0;
-
- fp = setmntent(MOUNTED, "r");
- if (fp == NULL) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc,
- "error setmntent(%s)", MOUNTED);
- return rc;
- }
-
- while (1) {
- mnt = getmntent(fp);
- if (!mnt)
- break;
-
- if (!llapi_is_lustre_mnt(mnt))
- continue;
-
- fd = open(mnt->mnt_dir, O_RDONLY | O_DIRECTORY);
- if (fd < 0) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc,
- "Can't open '%s'", mnt->mnt_dir);
- goto out;
- }
-
- rc = ioctl(fd, LL_IOC_RMTACL, ops);
- close(fd);
- if (rc < 0) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc,
- "ioctl RMTACL on '%s' err %d",
- mnt->mnt_dir, rc);
- goto out;
- }
-
- found++;
- }
-
-out:
- endmntent(fp);
- return ((rc != 0) ? rc : found);
-}
-
-static char *next_token(char *p, int div)
-{
- if (p == NULL)
- return NULL;
-
- if (div)
- while (*p && *p != ':' && !isspace(*p))
- p++;
- else
- while (*p == ':' || isspace(*p))
- p++;
-
- return *p ? p : NULL;
-}
+ rc = llapi_obd_fstatfs(fd, type, index, stat_buf, uuid_buf);
-static int rmtacl_name2id(char *name, int is_user)
-{
- if (is_user) {
- struct passwd *pw;
-
- pw = getpwnam(name);
- if (pw == NULL)
- return INVALID_ID;
- else
- return (int)(pw->pw_uid);
- } else {
- struct group *gr;
-
- gr = getgrnam(name);
- if (gr == NULL)
- return INVALID_ID;
- else
- return (int)(gr->gr_gid);
- }
-}
-
-static int isodigit(int c)
-{
- return (c >= '0' && c <= '7') ? 1 : 0;
-}
-
-/*
- * Whether the name is just digits string (uid/gid) already or not.
- * Return value:
- * 1: str is id
- * 0: str is not id
- */
-static int str_is_id(char *str)
-{
- if (str == NULL)
- return 0;
-
- if (*str == '0') {
- str++;
- if (*str == 'x' || *str == 'X') { /* for Hex. */
- if (!isxdigit(*(++str)))
- return 0;
-
- while (isxdigit(*(++str)));
- } else if (isodigit(*str)) { /* for Oct. */
- while (isodigit(*(++str)));
- }
- } else if (isdigit(*str)) { /* for Dec. */
- while (isdigit(*(++str)));
- }
-
- return (*str == 0) ? 1 : 0;
-}
-
-typedef struct {
- char *name;
- int length;
- int is_user;
- int next_token;
-} rmtacl_name_t;
-
-#define RMTACL_OPTNAME(name) name, sizeof(name) - 1
-
-static rmtacl_name_t rmtacl_namelist[] = {
- { RMTACL_OPTNAME("user:"), 1, 0 },
- { RMTACL_OPTNAME("group:"), 0, 0 },
- { RMTACL_OPTNAME("default:user:"), 1, 0 },
- { RMTACL_OPTNAME("default:group:"), 0, 0 },
- /* for --tabular option */
- { RMTACL_OPTNAME("user"), 1, 1 },
- { RMTACL_OPTNAME("group"), 0, 1 },
- { 0 }
-};
-
-static int rgetfacl_output(char *str)
-{
- char *start = NULL, *end = NULL;
- int is_user = 0, n, id;
- char c;
- rmtacl_name_t *rn;
-
- if (str == NULL)
- return -1;
-
- for (rn = rmtacl_namelist; rn->name; rn++) {
- if(strncmp(str, rn->name, rn->length) == 0) {
- if (!rn->next_token)
- start = str + rn->length;
- else
- start = next_token(str + rn->length, 0);
- is_user = rn->is_user;
- break;
- }
- }
-
- end = next_token(start, 1);
- if (end == NULL || start == end) {
- n = printf("%s", str);
- return n;
- }
+ close(fd);
- c = *end;
- *end = 0;
- id = rmtacl_name2id(start, is_user);
- if (id == INVALID_ID) {
- if (str_is_id(start)) {
- *end = c;
- n = printf("%s", str);
- } else
- return -1;
- } else if ((id == NOBODY_UID && is_user) ||
- (id == NOBODY_GID && !is_user)) {
- *end = c;
- n = printf("%s", str);
- } else {
- *end = c;
- *start = 0;
- n = printf("%s%d%s", str, id, end);
- }
- return n;
+ return rc;
}
-static int child_status(int status)
+#define MAX_STRING_SIZE 128
+
+int llapi_ping(char *obd_type, char *obd_name)
{
- return WIFEXITED(status) ? WEXITSTATUS(status) : -1;
+ glob_t path;
+ char buf[1];
+ int rc, fd;
+
+ rc = cfs_get_param_paths(&path, "%s/%s/ping",
+ obd_type, obd_name);
+ if (rc != 0)
+ return -errno;
+
+ fd = open(path.gl_pathv[0], O_WRONLY);
+ if (fd < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error opening %s",
+ path.gl_pathv[0]);
+ goto failed;
+ }
+
+ /* The purpose is to send a byte as a ping, whatever this byte is. */
+ /* coverity[uninit_use_in_call] */
+ rc = write(fd, buf, 1);
+ if (rc < 0)
+ rc = -errno;
+ close(fd);
+
+ if (rc == 1)
+ rc = 0;
+failed:
+ cfs_free_param_data(&path);
+ return rc;
}
-static int do_rmtacl(int argc, char *argv[], int ops, int (output_func)(char *))
+int llapi_target_iterate(int type_num, char **obd_type,
+ void *args, llapi_cb_t cb)
{
- pid_t pid = 0;
- int fd[2], status, rc;
- FILE *fp;
- char buf[PIPE_BUF];
+ char buf[MAX_STRING_SIZE];
+ int i, rc = 0;
+ glob_t param;
+ FILE *fp;
- if (output_func) {
- if (pipe(fd) < 0) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "Can't create pipe");
- return rc;
- }
+ rc = cfs_get_param_paths(¶m, "devices");
+ if (rc != 0)
+ return -ENOENT;
- pid = fork();
- if (pid < 0) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "Can't fork");
- close(fd[0]);
- close(fd[1]);
- return rc;
- } else if (!pid) {
- /* child process redirects its output. */
- close(fd[0]);
- close(1);
- if (dup2(fd[1], 1) < 0) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc,
- "Can't dup2 %d", fd[1]);
- close(fd[1]);
- return rc;
- }
- } else {
- close(fd[1]);
- }
- }
+ fp = fopen(param.gl_pathv[0], "r");
+ if (fp == NULL) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: opening '%s'",
+ param.gl_pathv[0]);
+ goto free_path;
+ }
- if (!pid) {
- status = rmtacl_notify(ops);
- if (status < 0)
- return -errno;
+ while (fgets(buf, sizeof(buf), fp) != NULL) {
+ char *obd_type_name = NULL;
+ char *obd_name = NULL;
+ char *obd_uuid = NULL;
+ char *bufp = buf;
+ struct obd_statfs osfs_buffer;
- exit(execvp(argv[0], argv));
- }
+ while(bufp[0] == ' ')
+ ++bufp;
- /* the following is parent process */
- fp = fdopen(fd[0], "r");
- if (fp == NULL) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "fdopen %d failed", fd[0]);
- kill(pid, SIGKILL);
- close(fd[0]);
- return rc;
- }
+ for(i = 0; i < 3; i++) {
+ obd_type_name = strsep(&bufp, " ");
+ }
+ obd_name = strsep(&bufp, " ");
+ obd_uuid = strsep(&bufp, " ");
- while (fgets(buf, PIPE_BUF, fp) != NULL) {
- if (output_func(buf) < 0)
- fprintf(stderr, "WARNING: unexpected error!\n[%s]\n",
- buf);
- }
- fclose(fp);
- close(fd[0]);
+ memset(&osfs_buffer, 0, sizeof (osfs_buffer));
- if (waitpid(pid, &status, 0) < 0) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc, "waitpid %d failed", pid);
- return rc;
- }
+ for (i = 0; i < type_num; i++) {
+ if (strcmp(obd_type_name, obd_type[i]) != 0)
+ continue;
- return child_status(status);
+ cb(obd_type_name, obd_name, obd_uuid, args);
+ }
+ }
+ fclose(fp);
+free_path:
+ cfs_free_param_data(¶m);
+ return 0;
}
-int llapi_lsetfacl(int argc, char *argv[])
+static void do_target_check(char *obd_type_name, char *obd_name,
+ char *obd_uuid, void *args)
{
- return do_rmtacl(argc, argv, RMT_LSETFACL, NULL);
+ int rc;
+
+ rc = llapi_ping(obd_type_name, obd_name);
+ if (rc == ENOTCONN) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s inactive.\n", obd_name);
+ } else if (rc) {
+ llapi_error(LLAPI_MSG_ERROR, rc, "error: check '%s'", obd_name);
+ } else {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s active.\n", obd_name);
+ }
}
-int llapi_lgetfacl(int argc, char *argv[])
+int llapi_target_check(int type_num, char **obd_type, char *dir)
{
- return do_rmtacl(argc, argv, RMT_LGETFACL, NULL);
+ return llapi_target_iterate(type_num, obd_type, NULL, do_target_check);
}
-int llapi_rsetfacl(int argc, char *argv[])
+#undef MAX_STRING_SIZE
+
+/* Is this a lustre fs? */
+int llapi_is_lustre_mnttype(const char *type)
{
- return do_rmtacl(argc, argv, RMT_RSETFACL, NULL);
+ return (strcmp(type, "lustre") == 0 || strcmp(type,"lustre_lite") == 0);
}
-int llapi_rgetfacl(int argc, char *argv[])
+/* Is this a lustre client fs? */
+int llapi_is_lustre_mnt(struct mntent *mnt)
{
- return do_rmtacl(argc, argv, RMT_RGETFACL, rgetfacl_output);
+ return (llapi_is_lustre_mnttype(mnt->mnt_type) &&
+ strstr(mnt->mnt_fsname, ":/") != NULL);
}
-int llapi_cp(int argc, char *argv[])
+int llapi_quotactl(char *mnt, struct if_quotactl *qctl)
{
- int rc;
-
- rc = rmtacl_notify(RMT_RSETFACL);
- if (rc < 0)
- return rc;
+ char fsname[PATH_MAX + 1];
+ int root;
+ int rc;
- exit(execvp(argv[0], argv));
-}
+ rc = llapi_search_fsname(mnt, fsname);
+ if (rc) {
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "'%s' isn't on Lustre filesystem", mnt);
+ return rc;
+ }
-int llapi_ls(int argc, char *argv[])
-{
- int rc;
+ root = open(mnt, O_RDONLY | O_DIRECTORY);
+ if (root < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "open %s failed", mnt);
+ return rc;
+ }
- rc = rmtacl_notify(RMT_LGETFACL);
- if (rc < 0)
- return rc;
+ rc = ioctl(root, OBD_IOC_QUOTACTL, qctl);
+ if (rc < 0)
+ rc = -errno;
- exit(execvp(argv[0], argv));
+ close(root);
+ return rc;
}
/* Print mdtname 'name' into 'buf' using 'format'. Add -MDT0000 if needed.
int root_ioctl(const char *mdtname, int opc, void *data, int *mdtidxp,
int want_error)
{
- char fsname[20];
- char *ptr;
+ char fsname[20];
+ char *ptr;
int fd, rc;
long index;
- /* Take path, fsname, or MDTname. Assume MDT0000 in the former cases.
- Open root and parse mdt index. */
- if (mdtname[0] == '/') {
- index = 0;
- rc = get_root_path(WANT_FD | want_error, NULL, &fd,
- (char *)mdtname, -1);
- } else {
- if (get_mdtname((char *)mdtname, "%s%s", fsname) < 0)
- return -EINVAL;
- ptr = fsname + strlen(fsname) - 8;
- *ptr = '\0';
- index = strtol(ptr + 4, NULL, 10);
- rc = get_root_path(WANT_FD | want_error, fsname, &fd, NULL, -1);
- }
- if (rc < 0) {
- if (want_error)
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "Can't open %s: %d\n", mdtname, rc);
- return rc;
- }
-
- if (mdtidxp)
- *mdtidxp = index;
-
- rc = ioctl(fd, opc, data);
- if (rc == -1)
- rc = -errno;
- else
- rc = 0;
- if (rc && want_error)
- llapi_error(LLAPI_MSG_ERROR, rc, "ioctl %d err %d", opc, rc);
-
- close(fd);
- return rc;
-}
-
-/****** Changelog API ********/
-
-static int changelog_ioctl(const char *mdtname, int opc, int id,
- long long recno, int flags)
-{
- struct ioc_changelog data;
- int *idx;
-
- data.icc_id = id;
- data.icc_recno = recno;
- data.icc_flags = flags;
- idx = (int *)(&data.icc_mdtindex);
-
- return root_ioctl(mdtname, opc, &data, idx, WANT_ERROR);
-}
-
-#define CHANGELOG_PRIV_MAGIC 0xCA8E1080
-struct changelog_private {
- int magic;
- enum changelog_send_flag flags;
- struct lustre_kernelcomm kuc;
-};
-
-/** Start reading from a changelog
- * @param priv Opaque private control structure
- * @param flags Start flags (e.g. CHANGELOG_FLAG_BLOCK)
- * @param device Report changes recorded on this MDT
- * @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, enum changelog_send_flag flags,
- const char *device, long long startrec)
-{
- struct changelog_private *cp;
- static bool warned;
- int rc;
-
- /* Set up the receiver control struct */
- cp = calloc(1, sizeof(*cp));
- if (cp == NULL)
- return -ENOMEM;
-
- cp->magic = CHANGELOG_PRIV_MAGIC;
- cp->flags = flags;
-
- /* Set up the receiver */
- rc = libcfs_ukuc_start(&cp->kuc, 0 /* no group registration */, 0);
- if (rc < 0)
- goto out_free;
-
- *priv = cp;
-
- /* CHANGELOG_FLAG_JOBID will eventually become mandatory. Display a
- * warning if it's missing. */
- if (!(flags & CHANGELOG_FLAG_JOBID) && !warned) {
- llapi_err_noerrno(LLAPI_MSG_WARN, "warning: %s() called "
- "w/o CHANGELOG_FLAG_JOBID", __func__);
- warned = true;
+ /* Take path, fsname, or MDTname. Assume MDT0000 in the former cases.
+ Open root and parse mdt index. */
+ if (mdtname[0] == '/') {
+ index = 0;
+ rc = get_root_path(WANT_FD | want_error, NULL, &fd,
+ (char *)mdtname, -1);
+ } else {
+ if (get_mdtname((char *)mdtname, "%s%s", fsname) < 0)
+ return -EINVAL;
+ ptr = fsname + strlen(fsname) - 8;
+ *ptr = '\0';
+ index = strtol(ptr + 4, NULL, 16);
+ rc = get_root_path(WANT_FD | want_error, fsname, &fd, NULL, -1);
}
-
- /* 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);
+ if (want_error)
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "Can't open %s: %d\n", mdtname, rc);
return rc;
}
- return 0;
+ if (mdtidxp)
+ *mdtidxp = index;
-out_free:
- free(cp);
+ rc = ioctl(fd, opc, data);
+ if (rc == -1)
+ rc = -errno;
+ else
+ rc = 0;
+ close(fd);
return rc;
}
-/** Finish reading from a changelog */
-int llapi_changelog_fini(void **priv)
+int llapi_fid2path(const char *device, const char *fidstr, char *buf,
+ int buflen, long long *recno, int *linkno)
{
- struct changelog_private *cp = (struct changelog_private *)*priv;
-
- if (!cp || (cp->magic != CHANGELOG_PRIV_MAGIC))
- return -EINVAL;
-
- libcfs_ukuc_stop(&cp->kuc);
- free(cp);
- *priv = NULL;
- return 0;
-}
+ const char *fidstr_orig = fidstr;
+ struct lu_fid fid;
+ struct getinfo_fid2path *gf;
+ int rc;
-/**
- * Convert all records to a same format according to the caller's wishes.
- * Default is CLF_VERSION | CLF_RENAME.
- * Add CLF_JOBID if explicitely requested.
- *
- * \param rec The record to remap. It is expected to be big enough to
- * properly handle the final format.
- * \return 1 if anything changed. 0 otherwise.
- */
-/** Read the next changelog entry
- * @param priv Opaque private control structure
- * @param rech Changelog record handle; record will be allocated here
- * @return 0 valid message received; rec is set
- * <0 error code
- * 1 EOF
- */
-#define DEFAULT_RECORD_FMT (CLF_VERSION | CLF_RENAME)
-int llapi_changelog_recv(void *priv, struct changelog_rec **rech)
-{
- struct changelog_private *cp = (struct changelog_private *)priv;
- struct kuc_hdr *kuch;
- enum changelog_rec_flags rec_fmt = DEFAULT_RECORD_FMT;
- int rc = 0;
+ while (*fidstr == '[')
+ fidstr++;
- if (!cp || (cp->magic != CHANGELOG_PRIV_MAGIC))
- return -EINVAL;
- if (rech == NULL)
+ sscanf(fidstr, SFID, RFID(&fid));
+ if (!fid_is_sane(&fid)) {
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "bad FID format '%s', should be [seq:oid:ver]"
+ " (e.g. "DFID")\n", fidstr_orig,
+ (unsigned long long)FID_SEQ_NORMAL, 2, 0);
return -EINVAL;
- kuch = malloc(KUC_CHANGELOG_MSG_MAXSIZE);
- if (kuch == NULL)
+ }
+
+ gf = malloc(sizeof(*gf) + buflen);
+ if (gf == NULL)
return -ENOMEM;
- if (cp->flags & CHANGELOG_FLAG_JOBID)
- rec_fmt |= CLF_JOBID;
+ gf->gf_fid = fid;
+ gf->gf_recno = *recno;
+ gf->gf_linkno = *linkno;
+ gf->gf_pathlen = buflen;
-repeat:
- rc = libcfs_ukuc_msg_get(&cp->kuc, (char *)kuch,
- KUC_CHANGELOG_MSG_MAXSIZE,
- KUC_TRANSPORT_CHANGELOG);
- if (rc < 0)
+ /* Take path or fsname */
+ rc = root_ioctl(device, OBD_IOC_FID2PATH, gf, NULL, 0);
+ if (rc)
goto out_free;
- if ((kuch->kuc_transport != KUC_TRANSPORT_CHANGELOG) ||
- ((kuch->kuc_msgtype != CL_RECORD) &&
- (kuch->kuc_msgtype != CL_EOF))) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "Unknown changelog message type %d:%d\n",
- kuch->kuc_transport, kuch->kuc_msgtype);
- rc = -EPROTO;
- goto out_free;
- }
-
- if (kuch->kuc_msgtype == CL_EOF) {
- if (cp->flags & CHANGELOG_FLAG_FOLLOW) {
- /* Ignore EOFs */
- goto repeat;
- } else {
- rc = 1;
- goto out_free;
- }
- }
-
- /* Our message is a changelog_rec. Use pointer math to skip
- * kuch_hdr and point directly to the message payload. */
- *rech = (struct changelog_rec *)(kuch + 1);
- changelog_remap_rec(*rech, rec_fmt);
-
- return 0;
+ memcpy(buf, gf->gf_u.gf_path, gf->gf_pathlen);
+ if (buf[0] == '\0') { /* ROOT path */
+ buf[0] = '/';
+ buf[1] = '\0';
+ }
+ *recno = gf->gf_recno;
+ *linkno = gf->gf_linkno;
out_free:
- *rech = NULL;
- free(kuch);
- return rc;
-}
-
-/** Release the changelog record when done with it. */
-int llapi_changelog_free(struct changelog_rec **rech)
-{
- if (*rech) {
- /* We allocated memory starting at the kuc_hdr, but passed
- * the consumer a pointer to the payload.
- * Use pointer math to get back to the header.
- */
- struct kuc_hdr *kuch = (struct kuc_hdr *)*rech - 1;
- free(kuch);
- }
- *rech = NULL;
- return 0;
-}
-
-int llapi_changelog_clear(const char *mdtname, const char *idstr,
- long long endrec)
-{
- long id;
-
- if (endrec < 0) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "can't purge negative records\n");
- return -EINVAL;
- }
-
- id = strtol(idstr + strlen(CHANGELOG_USER_PREFIX), NULL, 10);
- if ((id == 0) || (strncmp(idstr, CHANGELOG_USER_PREFIX,
- strlen(CHANGELOG_USER_PREFIX)) != 0)) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "expecting id of the form '"
- CHANGELOG_USER_PREFIX
- "<num>'; got '%s'\n", idstr);
- return -EINVAL;
- }
-
- return changelog_ioctl(mdtname, OBD_IOC_CHANGELOG_CLEAR, id, endrec, 0);
-}
-
-int llapi_fid2path(const char *device, const char *fidstr, char *buf,
- int buflen, long long *recno, int *linkno)
-{
- struct lu_fid fid;
- struct getinfo_fid2path *gf;
- int rc;
-
- while (*fidstr == '[')
- fidstr++;
-
- sscanf(fidstr, SFID, RFID(&fid));
- if (!fid_is_sane(&fid)) {
- llapi_err_noerrno(LLAPI_MSG_ERROR,
- "bad FID format [%s], should be "DFID"\n",
- fidstr, (__u64)1, 2, 0);
- return -EINVAL;
- }
-
- gf = malloc(sizeof(*gf) + buflen);
- if (gf == NULL)
- return -ENOMEM;
- gf->gf_fid = fid;
- gf->gf_recno = *recno;
- gf->gf_linkno = *linkno;
- gf->gf_pathlen = buflen;
-
- /* Take path or fsname */
- rc = root_ioctl(device, OBD_IOC_FID2PATH, gf, NULL, 0);
- if (rc) {
- if (rc != -ENOENT)
- llapi_error(LLAPI_MSG_ERROR, rc, "ioctl err %d", rc);
- } else {
- memcpy(buf, gf->gf_path, gf->gf_pathlen);
- if (buf[0] == '\0') { /* ROOT path */
- buf[0] = '/';
- buf[1] = '\0';
- }
- *recno = gf->gf_recno;
- *linkno = gf->gf_linkno;
- }
-
- free(gf);
- return rc;
+ free(gf);
+ return rc;
}
static int fid_from_lma(const char *path, const int fd, lustre_fid *fid)
int llapi_get_connect_flags(const char *mnt, __u64 *flags)
{
- 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_GET_CONNECT_FLAGS, flags);
- if (rc < 0) {
- rc = -errno;
- llapi_error(LLAPI_MSG_ERROR, rc,
- "ioctl on %s for getting connect flags failed", mnt);
- }
- closedir(root);
- return rc;
-}
-
-int llapi_get_version(char *buffer, int buffer_size,
- char **version)
-{
- int rc;
- int fd;
- struct obd_ioctl_data *data = (struct obd_ioctl_data *)buffer;
-
- fd = open(OBD_DEV_PATH, O_RDONLY);
- if (fd == -1)
- return -errno;
+ int root;
+ int rc;
- memset(buffer, 0, buffer_size);
- data->ioc_version = OBD_IOCTL_VERSION;
- data->ioc_inllen1 = buffer_size - cfs_size_round(sizeof(*data));
- data->ioc_inlbuf1 = buffer + cfs_size_round(sizeof(*data));
- data->ioc_len = obd_ioctl_packlen(data);
+ root = open(mnt, O_RDONLY | O_DIRECTORY);
+ if (root < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc, "open %s failed", mnt);
+ return rc;
+ }
- rc = ioctl(fd, OBD_GET_VERSION, buffer);
- if (rc == -1) {
- rc = -errno;
- close(fd);
- return rc;
- }
- close(fd);
- *version = data->ioc_bulk;
- return 0;
+ rc = ioctl(root, LL_IOC_GET_CONNECT_FLAGS, flags);
+ if (rc < 0) {
+ rc = -errno;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "ioctl on %s for getting connect flags failed", mnt);
+ }
+ close(root);
+ return rc;
}
/**
{
char file_path[PATH_MAX];
char filename[PATH_MAX];
+ int saved_errno = errno;
int fd;
int rnumber;
int rc;
- rnumber = random();
- if (idx == -1)
- snprintf(filename, sizeof(filename),
- LUSTRE_VOLATILE_HDR"::%.4X", rnumber);
- else
- snprintf(filename, sizeof(filename),
- LUSTRE_VOLATILE_HDR":%.4X:%.4X", idx, rnumber);
+ do {
+ rnumber = random();
+ if (idx == -1)
+ snprintf(filename, sizeof(filename),
+ LUSTRE_VOLATILE_HDR"::%.4X", rnumber);
+ else
+ snprintf(filename, sizeof(filename),
+ LUSTRE_VOLATILE_HDR":%.4X:%.4X", idx, rnumber);
- rc = snprintf(file_path, sizeof(file_path),
- "%s/%s", directory, filename);
- if (rc >= sizeof(file_path))
- return -E2BIG;
+ 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 | O_EXCL | O_NOFOLLOW | open_flags,
+ S_IRUSR | S_IWUSR);
+ } while (fd < 0 && errno == EEXIST);
- 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'",
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);
+
+ /* 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. If volatile open was supported then we
+ * expect unlink() to return -ENOENT. */
+ (void)unlink(file_path);
+
+ /* Since we are returning successfully we restore errno (and
+ * mask out possible EEXIST from open() and ENOENT from
+ * unlink(). */
+ errno = saved_errno;
return fd;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff