/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2002 Cluster File Systems, Inc.
- * Author: Peter J. Braam <braam@clusterfs.com>
- * Author: Phil Schwan <phil@clusterfs.com>
- * Author: Robert Read <rread@clusterfs.com>
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * Lustre is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/utils/liblustreapi.c
+ *
+ * Author: Peter J. Braam <braam@clusterfs.com>
+ * Author: Phil Schwan <phil@clusterfs.com>
+ * Author: Robert Read <rread@clusterfs.com>
*/
-
/* for O_DIRECTORY */
+#ifndef _GNU_SOURCE
#define _GNU_SOURCE
+#endif
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <sys/stat.h>
#include <sys/types.h>
-#include <linux/types.h>
+#include <sys/syscall.h>
+#include <fnmatch.h>
+#include <glob.h>
+#ifdef HAVE_LINUX_UNISTD_H
#include <linux/unistd.h>
+#else
+#include <unistd.h>
+#endif
#include <liblustre.h>
-#include <linux/obd.h>
-#include <linux/lustre_lib.h>
-#include <linux/lustre_user.h>
-#include <linux/obd_lov.h>
+#include <lnet/lnetctl.h>
+#include <obd.h>
+#include <lustre_lib.h>
+#include <obd_lov.h>
+#include <lustre/liblustreapi.h>
+
+static unsigned llapi_dir_filetype_table[] = {
+ [DT_UNKNOWN]= 0,
+ [DT_FIFO]= S_IFIFO,
+ [DT_CHR] = S_IFCHR,
+ [DT_DIR] = S_IFDIR,
+ [DT_BLK] = S_IFBLK,
+ [DT_REG] = S_IFREG,
+ [DT_LNK] = S_IFLNK,
+ [DT_SOCK]= S_IFSOCK,
+#if defined(DT_DOOR) && defined(S_IFDOOR)
+ [DT_DOOR]= S_IFDOOR,
+#endif
+};
-#include <portals/ptlctl.h>
+#if defined(DT_DOOR) && defined(S_IFDOOR)
+static const int DT_MAX = DT_DOOR;
+#else
+static const int DT_MAX = DT_SOCK;
+#endif
+
+static unsigned llapi_filetype_dir_table[] = {
+ [0]= DT_UNKNOWN,
+ [S_IFIFO]= DT_FIFO,
+ [S_IFCHR] = DT_CHR,
+ [S_IFDIR] = DT_DIR,
+ [S_IFBLK] = DT_BLK,
+ [S_IFREG] = DT_REG,
+ [S_IFLNK] = DT_LNK,
+ [S_IFSOCK]= DT_SOCK,
+#if defined(DT_DOOR) && defined(S_IFDOOR)
+ [S_IFDOOR]= DT_DOOR,
+#endif
+};
+
+#if defined(DT_DOOR) && defined(S_IFDOOR)
+static const int S_IFMAX = DT_DOOR;
+#else
+static const int S_IFMAX = DT_SOCK;
+#endif
+
+/* liblustreapi message level */
+static int llapi_msg_level = LLAPI_MSG_MAX;
+
+void llapi_msg_set_level(int level)
+{
+ /* ensure level is in the good range */
+ if (level < LLAPI_MSG_OFF)
+ llapi_msg_level = LLAPI_MSG_OFF;
+ else if (level > LLAPI_MSG_MAX)
+ llapi_msg_level = LLAPI_MSG_MAX;
+ else
+ llapi_msg_level = level;
+}
-static void err_msg(char *fmt, ...)
+void llapi_err(int level, char *fmt, ...)
{
va_list args;
- int tmp_errno = errno;
+ int tmp_errno = abs(errno);
+
+ if ((level & LLAPI_MSG_MASK) > llapi_msg_level)
+ return;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
- fprintf(stderr, ": %s (%d)\n", strerror(tmp_errno), tmp_errno);
+
+ if (level & LLAPI_MSG_NO_ERRNO)
+ fprintf(stderr, "\n");
+ else
+ fprintf(stderr, ": %s (%d)\n", strerror(tmp_errno), tmp_errno);
+}
+
+#define llapi_err_noerrno(level, fmt, a...) \
+ llapi_err((level) | LLAPI_MSG_NO_ERRNO, fmt, ## a)
+
+void llapi_printf(int level, char *fmt, ...)
+{
+ va_list args;
+
+ if ((level & LLAPI_MSG_MASK) > llapi_msg_level)
+ return;
+
+ va_start(args, fmt);
+ vfprintf(stdout, fmt, args);
+ va_end(args);
+}
+
+int parse_size(char *optarg, unsigned long long *size,
+ unsigned long long *size_units)
+{
+ char *end;
+
+ *size = strtoul(optarg, &end, 0);
+
+ if (*end != '\0') {
+ if ((*end == 'b') && *(end+1) == '\0' &&
+ (*size & (~0ULL << (64 - 9))) == 0) {
+ *size <<= 9;
+ *size_units = 1 << 9;
+ } else if ((*end == 'k' || *end == 'K') &&
+ *(end+1) == '\0' && (*size &
+ (~0ULL << (64 - 10))) == 0) {
+ *size <<= 10;
+ *size_units = 1 << 10;
+ } else if ((*end == 'm' || *end == 'M') &&
+ *(end+1) == '\0' && (*size &
+ (~0ULL << (64 - 20))) == 0) {
+ *size <<= 20;
+ *size_units = 1 << 20;
+ } else if ((*end == 'g' || *end == 'G') &&
+ *(end+1) == '\0' && (*size &
+ (~0ULL << (64 - 30))) == 0) {
+ *size <<= 30;
+ *size_units = 1 << 30;
+ } else if ((*end == 't' || *end == 'T') &&
+ *(end+1) == '\0' && (*size &
+ (~0ULL << (64 - 40))) == 0) {
+ *size <<= 40;
+ *size_units = 1ULL << 40;
+ } else if ((*end == 'p' || *end == 'P') &&
+ *(end+1) == '\0' && (*size &
+ (~0ULL << (64 - 50))) == 0) {
+ *size <<= 50;
+ *size_units = 1ULL << 50;
+ } else if ((*end == 'e' || *end == 'E') &&
+ *(end+1) == '\0' && (*size &
+ (~0ULL << (64 - 60))) == 0) {
+ *size <<= 60;
+ *size_units = 1ULL << 60;
+ } else {
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+int llapi_stripe_limit_check(unsigned long stripe_size, int stripe_offset,
+ int stripe_count, int stripe_pattern)
+{
+ int page_size;
+
+ /* 64 KB is the largest common page size I'm aware of (on ia64), but
+ * check the local page size just in case. */
+ page_size = LOV_MIN_STRIPE_SIZE;
+ if (getpagesize() > page_size) {
+ page_size = getpagesize();
+ llapi_err_noerrno(LLAPI_MSG_WARN,
+ "warning: your page size (%u) is "
+ "larger than expected (%u)", page_size,
+ LOV_MIN_STRIPE_SIZE);
+ }
+ if (stripe_size < 0 || (stripe_size & (LOV_MIN_STRIPE_SIZE - 1))) {
+ llapi_err(LLAPI_MSG_ERROR, "error: bad stripe_size %lu, "
+ "must be an even multiple of %d bytes",
+ stripe_size, page_size);
+ return -EINVAL;
+ }
+ if (stripe_offset < -1 || stripe_offset > MAX_OBD_DEVICES) {
+ errno = -EINVAL;
+ llapi_err(LLAPI_MSG_ERROR, "error: bad stripe offset %d",
+ stripe_offset);
+ return -EINVAL;
+ }
+ if (stripe_count < -1 || stripe_count > LOV_MAX_STRIPE_COUNT) {
+ errno = -EINVAL;
+ llapi_err(LLAPI_MSG_ERROR, "error: bad stripe count %d",
+ stripe_count);
+ return -EINVAL;
+ }
+ if (stripe_count > 0 && (__u64)stripe_size * stripe_count > 0xffffffff){
+ errno = -EINVAL;
+ llapi_err(LLAPI_MSG_ERROR, "error: stripe_size %lu * "
+ "stripe_count %u exceeds 4GB", stripe_size,
+ stripe_count);
+ return -EINVAL;
+ }
+ return 0;
}
-int op_create_file(char *name, long stripe_size, int stripe_offset,
- int stripe_count)
+static int poolpath(char *fsname, char *pathname, char *pool_pathname);
+
+int llapi_file_open_pool(const char *name, int flags, int mode,
+ unsigned long stripe_size, int stripe_offset,
+ int stripe_count, int stripe_pattern, char *pool_name)
{
- struct lov_user_md lum = { 0 };
+ struct lov_user_md_v3 lum = { 0 };
int fd, rc = 0;
+ int isdir = 0;
+ char fsname[MAX_OBD_NAME + 1], *ptr;
- /* Initialize IOCTL striping pattern structure */
- lum.lmm_magic = LOV_USER_MAGIC;
- lum.lmm_stripe_size = stripe_size;
- lum.lmm_stripe_offset = stripe_offset;
- lum.lmm_stripe_count = stripe_count;
+ fd = open(name, flags | O_LOV_DELAY_CREATE, mode);
+ if (fd < 0 && errno == EISDIR) {
+ fd = open(name, O_DIRECTORY | O_RDONLY);
+ isdir++;
+ }
- fd = open(name, O_CREAT | O_RDWR | O_LOV_DELAY_CREATE, 0644);
if (fd < 0) {
- err_msg("unable to open '%s'",name);
rc = -errno;
+ llapi_err(LLAPI_MSG_ERROR, "unable to open '%s'", name);
return rc;
}
+
+ if ((rc = llapi_stripe_limit_check(stripe_size, stripe_offset,
+ stripe_count, stripe_pattern)) != 0){
+ errno = rc;
+ goto out;
+ }
+
+ /* Initialize IOCTL striping pattern structure */
+ lum.lmm_magic = LOV_USER_MAGIC_V3;
+ lum.lmm_pattern = stripe_pattern;
+ lum.lmm_stripe_size = stripe_size;
+ lum.lmm_stripe_count = stripe_count;
+ lum.lmm_stripe_offset = stripe_offset;
+
+ /* in case user give the full pool name <fsname>.<poolname>, skip
+ * the fsname */
+ if (pool_name != NULL) {
+ ptr = strchr(pool_name, '.');
+ if (ptr != NULL) {
+ strncpy(fsname, pool_name, ptr - pool_name);
+ fsname[ptr - pool_name] = '\0';
+ /* if fsname matches a filesystem skip it
+ * if not keep the poolname as is */
+ if (poolpath(fsname, NULL, NULL) == 0)
+ pool_name = ptr + 1;
+ }
+ strncpy(lum.lmm_pool_name, pool_name, LOV_MAXPOOLNAME);
+ } else {
+ /* If no pool is specified at all, use V1 request */
+ lum.lmm_magic = LOV_USER_MAGIC_V1;
+ }
+
if (ioctl(fd, LL_IOC_LOV_SETSTRIPE, &lum)) {
char *errmsg = "stripe already set";
+ rc = -errno;
if (errno != EEXIST && errno != EALREADY)
errmsg = strerror(errno);
- fprintf(stderr, "error on ioctl for '%s' (%d): %s\n",
- name, fd, errmsg);
- rc = -errno;
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error on ioctl "LPX64" for '%s' (%d): %s",
+ (__u64)LL_IOC_LOV_SETSTRIPE, name, fd,errmsg);
}
- if (close(fd) < 0) {
- err_msg("error on close for '%s' (%d)", name, fd);
- if (rc == 0)
- rc = -errno;
+out:
+ if (rc) {
+ close(fd);
+ fd = rc;
}
- return rc;
+
+ return fd;
+}
+
+int llapi_file_open(const char *name, int flags, int mode,
+ unsigned long stripe_size, int stripe_offset,
+ int stripe_count, int stripe_pattern)
+{
+ return llapi_file_open_pool(name, flags, mode, stripe_size,
+ stripe_offset, stripe_count,
+ stripe_pattern, NULL);
}
+int llapi_file_create(const char *name, unsigned long stripe_size,
+ int stripe_offset, int stripe_count, int stripe_pattern)
+{
+ int fd;
-struct find_param {
- int recursive;
- int verbose;
- int quiet;
- struct obd_uuid *obduuid;
- struct obd_ioctl_data data;
- struct lov_desc desc;
- int uuidslen;
- char *buf;
- int buflen;
- struct obd_uuid *uuids;
- struct lov_user_md *lum;
- int got_uuids;
- int obdindex;
- int max_ost_count;
-};
+ fd = llapi_file_open_pool(name, O_CREAT | O_WRONLY, 0644, stripe_size,
+ stripe_offset, stripe_count, stripe_pattern,
+ NULL);
+ if (fd < 0)
+ return fd;
-/* XXX Max obds per lov currently hardcoded to 1000 in lov/lov_obd.c */
-#define MAX_LOV_UUID_COUNT 1000
-#define OBD_NOT_FOUND (-1)
+ close(fd);
+ return 0;
+}
-static int prepare_find(struct find_param *param)
+int llapi_file_create_pool(const char *name, unsigned long stripe_size,
+ int stripe_offset, int stripe_count,
+ int stripe_pattern, char *pool_name)
{
- int datalen, desclen;
- int cfglen, lumlen;
- int max_ost_count = MAX_LOV_UUID_COUNT;
-
- datalen = size_round(sizeof(param->data));
- desclen = size_round(sizeof(param->desc));
- param->uuidslen = size_round(max_ost_count * sizeof(*param->uuids));
- cfglen = datalen + desclen + param->uuidslen;
- lumlen = lov_mds_md_size(max_ost_count);
- if (cfglen > lumlen)
- param->buflen = cfglen;
- else
- param->buflen = lumlen;
+ int fd;
- /* XXX max ioctl buffer size currently hardcoded to 8192 */
- if (param->buflen > 8192) {
- int nuuids, remaining;
+ fd = llapi_file_open_pool(name, O_CREAT | O_WRONLY, 0644, stripe_size,
+ stripe_offset, stripe_count, stripe_pattern,
+ pool_name);
+ if (fd < 0)
+ return fd;
- param->buflen = 8192;
- nuuids = (param->buflen - datalen - desclen) /
- sizeof(*param->uuids);
- param->uuidslen = size_round(nuuids * sizeof(*param->uuids));
- remaining = nuuids * sizeof(*param->uuids);
- if (param->uuidslen > remaining)
- nuuids--;
- max_ost_count = nuuids;
- while ((lumlen=lov_mds_md_size(max_ost_count)) > param->buflen)
- --max_ost_count;
+ close(fd);
+ return 0;
+}
- cfglen = datalen + desclen + param->uuidslen;
- }
- if ((param->buf = malloc(param->buflen)) == NULL) {
- err_msg("unable to allocate %d bytes of memory for ioctl's",
- param->buflen);
- return ENOMEM;
+static int print_pool_members(char *fs, char *pool_dir, char *pool_file)
+{
+ char path[PATH_MAX + 1];
+ char buf[1024];
+ FILE *fd;
+
+ llapi_printf(LLAPI_MSG_NORMAL, "Pool: %s.%s\n", fs, pool_file);
+ sprintf(path, "%s/%s", pool_dir, pool_file);
+ if ((fd = fopen(path, "r")) == NULL) {
+ llapi_err(LLAPI_MSG_ERROR, "Cannot open %s\n", path);
+ return -EINVAL;
}
+ while (fgets(buf, sizeof(buf), fd) != NULL)
+ llapi_printf(LLAPI_MSG_NORMAL, buf);
- param->lum = (struct lov_user_md *)param->buf;
- param->uuids = (struct obd_uuid *)param->buf;
- param->got_uuids = 0;
- param->obdindex = OBD_NOT_FOUND;
- param->max_ost_count = max_ost_count;
-
+ fclose(fd);
return 0;
}
-static void cleanup_find(struct find_param *param)
+/*
+ * search lustre fsname from pathname
+ *
+ */
+static int search_fsname(char *pathname, char *fsname)
{
- if (param->obduuid)
- free(param->obduuid);
- if (param->buf)
- free(param->buf);
+ char *ptr;
+ FILE *fp;
+ struct mntent *mnt = NULL;
+
+ /* get the mount point */
+ fp = setmntent(MOUNTED, "r");
+ if (fp == NULL) {
+ llapi_err(LLAPI_MSG_ERROR,
+ "setmntent(%s) failed: %s:", MOUNTED,
+ strerror (errno));
+ return -EIO;
+ }
+ mnt = getmntent(fp);
+ while ((feof(fp) == 0) && ferror(fp) == 0) {
+ if (llapi_is_lustre_mnt(mnt)) {
+ /* search by pathname */
+ if (strncmp(mnt->mnt_dir, pathname,
+ strlen(mnt->mnt_dir)) == 0) {
+ ptr = strchr(mnt->mnt_fsname, '/');
+ if (ptr == NULL)
+ return -EINVAL;
+ ptr++;
+ strcpy(fsname, ptr);
+ return 0;
+ }
+ }
+ mnt = getmntent(fp);
+ }
+ endmntent(fp);
+ return -ENOENT;
+
}
-static int get_obd_uuids(DIR *dir, char *dname, struct find_param *param)
+/*
+ * 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 obdcount;
- struct obd_uuid *uuidp;
- int rc, i;
-
- param->got_uuids = 1;
- memset(¶m->data, 0, sizeof(param->data));
- param->data.ioc_inllen1 = sizeof(struct lov_desc);
- param->data.ioc_inlbuf1 = (char *)¶m->desc;
- param->data.ioc_inllen2 = param->uuidslen;
- param->data.ioc_inlbuf2 = (char *)param->uuids;
-
- memset(¶m->desc, 0, sizeof(struct lov_desc));
- param->desc.ld_tgt_count = param->max_ost_count;
+ int rc = 0;
+ glob_t glob_info;
+ char pattern[PATH_MAX + 1];
+ char buffer[PATH_MAX];
- if (obd_ioctl_pack(¶m->data, ¶m->buf, param->buflen)) {
- fprintf(stderr, "internal buffer error from %s\n", dname);
- return (param->obduuid ? EINVAL : 0);
+ if (fsname == NULL) {
+ rc = search_fsname(pathname, buffer);
+ if (rc != 0)
+ return rc;
+ fsname = buffer;
+ strcpy(pathname, fsname);
}
- rc = ioctl(dirfd(dir), OBD_IOC_LOV_GET_CONFIG, param->buf);
- if (rc) {
- err_msg("error getting LOV config from %s", dname);
- return (param->obduuid ? errno : 0);
- }
+ snprintf(pattern, PATH_MAX,
+ "/proc/fs/lustre/lov/%s-*/pools",
+ fsname);
+ rc = glob(pattern, GLOB_BRACE, NULL, &glob_info);
+ if (rc)
+ return -ENOENT;
- if (obd_ioctl_unpack(¶m->data, param->buf, param->buflen)) {
- err_msg("invalid reply from ioctl from %s", dname);
- return (param->obduuid ? EINVAL : 0);
+ if (glob_info.gl_pathc == 0) {
+ globfree(&glob_info);
+ return -ENOENT;
}
- obdcount = param->desc.ld_tgt_count;
- if (obdcount == 0)
- return 0;
-
- if (param->obduuid) {
- for (i = 0, uuidp = param->uuids; i < obdcount; i++, uuidp++) {
- if (strncmp(param->obduuid->uuid, uuidp->uuid,
- sizeof(*uuidp)) == 0) {
- param->obdindex = i;
- break;
- }
- }
- if (param->obdindex == OBD_NOT_FOUND) {
- printf("unknown obduuid: %s\n", param->obduuid);
- return EINVAL;
- }
- } else if (!param->quiet) {
- printf("OBDS:\n");
- for (i = 0, uuidp = param->uuids; i < obdcount; i++, uuidp++)
- printf("%4d: %s\n", i, uuidp->uuid);
- }
+ /* in fsname test mode, pool_pathname is NULL */
+ if (pool_pathname != NULL)
+ strcpy(pool_pathname, glob_info.gl_pathv[0]);
return 0;
}
-void lov_dump_user_lmm_v1(struct lov_user_md_v1 *lum, char *dname, char *fname,
- int obdindex, int quiet, int header, int body)
+int llapi_poollist(char *name)
{
- int i, obdstripe = 0;
+ char *poolname;
+ char *fsname;
+ char rname[PATH_MAX + 1], pathname[PATH_MAX + 1];
+ char *ptr;
+ int rc = 0;
- if (obdindex != OBD_NOT_FOUND) {
- for (i = 0; i < lum->lmm_stripe_count; i++) {
- if (obdindex == lum->lmm_objects[i].l_ost_idx) {
- printf("%s/%s\n", dname, fname);
- obdstripe = 1;
- break;
- }
+ /* is name a pathname ? */
+ ptr = strchr(name, '/');
+ if (ptr != NULL) {
+ /* only absolute pathname is supported */
+ if (*name != '/')
+ return -EINVAL;
+ if (!realpath(name, rname)) {
+ rc = -errno;
+ llapi_err(LLAPI_MSG_ERROR,
+ "llapi_poollist: invalid path '%s'",
+ name);
+ return rc;
}
- } else if (!quiet) {
- printf("%s/%s\n", dname, fname);
- obdstripe = 1;
- }
- if (header && (obdstripe == 1)) {
- printf("lmm_magic: 0x%08X\n", lum->lmm_magic);
- printf("lmm_object_gr: "LPX64"\n", lum->lmm_object_gr);
- printf("lmm_object_id: "LPX64"\n", lum->lmm_object_id);
- printf("lmm_stripe_count: %u\n", (int)lum->lmm_stripe_count);
- printf("lmm_stripe_size: %u\n", lum->lmm_stripe_size);
- printf("lmm_stripe_pattern: %x\n", lum->lmm_pattern);
+ rc = poolpath(NULL, rname, pathname);
+ if (rc != 0) {
+ errno = -rc;
+ llapi_err(LLAPI_MSG_ERROR,
+ "llapi_poollist: '%s' is not"
+ " a Lustre filesystem",
+ name);
+ return rc;
+ }
+ fsname = rname;
+ poolname = NULL;
+ } else {
+ /* name is FSNAME[.POOLNAME] */
+ fsname = name;
+ poolname = strchr(name, '.');
+ if (poolname != NULL) {
+ *poolname = '\0';
+ poolname++;
+ }
+ rc = poolpath(fsname, NULL, pathname);
+ if (rc != 0) {
+ errno = -rc;
+ llapi_err(LLAPI_MSG_ERROR,
+ "llapi_poollist: Lustre filesystem '%s'"
+ " not found", name);
+ return rc;
+ }
+ }
+ if (rc != 0) {
+ errno = -rc;
+ llapi_err(LLAPI_MSG_ERROR,
+ "llapi_poollist: Lustre filesystem '%s' not found",
+ name);
+ return rc;
}
- if (body) {
- long long oid;
-
- if ((!quiet) && (obdstripe == 1))
- printf("\tobdidx\t\t objid\t\tobjid\t\t group\n");
+ if (poolname != NULL) {
+ rc = print_pool_members(fsname, pathname, poolname);
+ poolname--;
+ *poolname = '.';
+ } else {
+ DIR *dir;
+ struct dirent *pool;
- for (i = 0; i < lum->lmm_stripe_count; i++) {
- int idx = lum->lmm_objects[i].l_ost_idx;
- oid = lum->lmm_objects[i].l_object_id;
- if ((obdindex == OBD_NOT_FOUND) || (obdindex == idx))
- printf("\t%6u\t%14llu\t%#13llx\t%14lld%s\n",
- idx, oid, oid,
- (long long)lum->lmm_objects[i].l_object_gr,
- obdindex == idx ? " *" : "");
+ llapi_printf(LLAPI_MSG_NORMAL, "Pools from %s:\n", fsname);
+ if ((dir = opendir(pathname)) == NULL) {
+ return -EINVAL;
}
- printf("\n");
+ while ((pool = readdir(dir)) != NULL) {
+ if (!((pool->d_name[0] == '.') &&
+ (pool->d_name[1] == '\0')) &&
+ !((pool->d_name[0] == '.') &&
+ (pool->d_name[1] == '.') &&
+ (pool->d_name[2] == '\0')))
+ llapi_printf(LLAPI_MSG_NORMAL, " %s.%s\n",
+ fsname, pool->d_name);
+ }
+ closedir(dir);
}
+ return rc;
}
-void lov_dump_user_lmm(struct find_param *param, char *dname, char *fname)
+typedef int (semantic_func_t)(char *path, DIR *parent, DIR *d,
+ void *data, cfs_dirent_t *de);
+
+#define MAX_LOV_UUID_COUNT max(LOV_MAX_STRIPE_COUNT, 1000)
+#define OBD_NOT_FOUND (-1)
+
+static int common_param_init(struct find_param *param)
{
- switch(*(__u32 *)param->lum) { /* lum->lmm_magic */
- case LOV_USER_MAGIC_V1:
- lov_dump_user_lmm_v1(param->lum, dname, fname, param->obdindex,
- param->quiet, param->verbose,
- (param->verbose || !param->obduuid));
- break;
- default:
- printf("unknown lmm_magic: 0x%08X\n", *(__u32 *)param->lum);
- return;
+ param->lumlen = lov_mds_md_size(MAX_LOV_UUID_COUNT, LOV_MAGIC_V3);
+ if ((param->lmd = malloc(sizeof(lstat_t) + param->lumlen)) == NULL) {
+ llapi_err(LLAPI_MSG_ERROR,
+ "error: allocation of %d bytes for ioctl",
+ sizeof(lstat_t) + param->lumlen);
+ return -ENOMEM;
}
+
+ param->got_uuids = 0;
+ param->obdindexes = NULL;
+ param->obdindex = OBD_NOT_FOUND;
+ return 0;
}
-static int process_file(DIR *dir, char *dname, char *fname,
- struct find_param *param)
+static void find_param_fini(struct find_param *param)
{
- int rc;
+ if (param->obdindexes)
+ free(param->obdindexes);
- strncpy((char *)param->lum, fname, param->buflen);
+ if (param->lmd)
+ free(param->lmd);
+}
- rc = ioctl(dirfd(dir), IOC_MDC_GETSTRIPE, (void *)param->lum);
+int llapi_file_fget_lov_uuid(int fd, struct obd_uuid *lov_name)
+{
+ int rc = ioctl(fd, OBD_IOC_GETNAME, lov_name);
if (rc) {
- if (errno == ENODATA) {
- if (!param->obduuid && !param->quiet)
- fprintf(stderr,
- "%s/%s has no stripe info\n",
- dname, fname);
- rc = 0;
- } else if (errno == EISDIR) {
- fprintf(stderr, "process_file on directory %s/%s!\n",
- dname, fname);
- /* add fname to directory list; */
- rc = errno;
- } else {
- err_msg("IOC_MDC_GETSTRIPE ioctl failed");
- rc = errno;
- }
- return rc;
+ rc = errno;
+ llapi_err(LLAPI_MSG_ERROR, "error: can't get lov name.");
}
-
- lov_dump_user_lmm(param, dname, fname);
-
- return 0;
+ return rc;
}
-
-static int process_dir(DIR *dir, char *dname, struct find_param *param)
+int llapi_file_get_lov_uuid(const char *path, struct obd_uuid *lov_uuid)
{
- struct dirent64 *dirp;
- DIR *subdir;
- char path[1024];
- int rc;
+ int fd, rc;
- if (!param->got_uuids) {
- rc = get_obd_uuids(dir, dname, param);
- if (rc)
- return rc;
+ fd = open(path, O_RDONLY);
+ if (fd < 0) {
+ rc = errno;
+ llapi_err(LLAPI_MSG_ERROR, "error opening %s", path);
+ return rc;
}
- /* Handle the contents of the directory */
- while ((dirp = readdir64(dir)) != NULL) {
- if (!strcmp(dirp->d_name, ".") || !strcmp(dirp->d_name, ".."))
- continue;
+ rc = llapi_file_fget_lov_uuid(fd, lov_uuid);
- switch (dirp->d_type) {
- case DT_UNKNOWN:
- err_msg("\"%s\" is UNKNOWN type %d", dirp->d_name,
- dirp->d_type);
- /* If we cared we could stat the file to determine
- * type and continue on here, but we don't since we
- * know d_type should be valid for lustre and this
- * tool only makes sense for lustre filesystems. */
- return EINVAL;
- break;
- case DT_DIR:
- if (!param->recursive)
- break;
- strcpy(path, dname);
- strcat(path, "/");
- strcat(path, dirp->d_name);
- subdir = opendir(path);
- if (subdir == NULL) {
- err_msg("\"%.40s\" opendir failed", path);
- return errno;
- }
- rc = process_dir(subdir, path, param);
- closedir(subdir);
- if (rc)
- return rc;
- break;
- case DT_REG:
- rc = process_file(dir, dname, dirp->d_name, param);
- if (rc)
- return rc;
- break;
- default:
- break;
- }
- }
+ close(fd);
- return 0;
+ return rc;
}
-static int process_path(char *path, struct find_param *param)
+/*
+ * If uuidp is NULL, return the number of available obd uuids.
+ * If uuidp is non-NULL, then it will return the uuids of the obds. If
+ * there are more OSTs then allocated to uuidp, then an error is returned with
+ * the ost_count set to number of available obd uuids.
+ */
+int llapi_lov_get_uuids(int fd, struct obd_uuid *uuidp, int *ost_count)
{
- char *fname, *dname;
- DIR *dir;
- int rc = 0;
+ struct obd_uuid lov_name;
+ char buf[1024];
+ FILE *fp;
+ int rc = 0, index = 0;
- fname = strrchr(path, '/');
- if (fname != NULL && fname[1] == '\0') {
- /* Trailing '/', it must be a dir */
- *fname = '\0';
- dir = opendir(path);
- if (dir == NULL) {
- err_msg("\"%.40s\" opendir failed", path);
- rc = errno;
- } else {
- rc = process_dir(dir, path, param);
- closedir(dir);
- }
- } else if ((dir = opendir(path)) != NULL) {
- /* No trailing '/', but it is still a dir */
- rc = process_dir(dir, path, param);
- closedir(dir);
- } else {
- /* It must be a file (or other non-directory) */
- if (fname == NULL) {
- dname = ".";
- fname = path;
- } else {
- *fname = '\0';
- fname++;
- dname = path;
- }
- dir = opendir(dname);
- if (dir == NULL) {
- err_msg("\"%.40s\" opendir failed", dname);
- rc = errno;
- } else {
- if (!param->got_uuids)
- rc = get_obd_uuids(dir, dname, param);
- if (rc == 0)
- rc = process_file(dir, dname, fname, param);
- closedir(dir);
+ /* Get the lov name */
+ rc = llapi_file_fget_lov_uuid(fd, &lov_name);
+ if (rc)
+ return rc;
+
+ /* Now get the ost uuids from /proc */
+ snprintf(buf, sizeof(buf), "/proc/fs/lustre/lov/%s/target_obd",
+ lov_name.uuid);
+ fp = fopen(buf, "r");
+ if (fp == NULL) {
+ rc = errno;
+ llapi_err(LLAPI_MSG_ERROR, "error: opening '%s'", buf);
+ return rc;
+ }
+
+ while (fgets(buf, sizeof(buf), fp) != NULL) {
+ if (uuidp && (index < *ost_count)) {
+ if (sscanf(buf, "%d: %s", &index, uuidp[index].uuid) <2)
+ break;
}
+ index++;
}
+ fclose(fp);
+
+ if (uuidp && (index >= *ost_count))
+ return -EOVERFLOW;
+
+ *ost_count = index;
return rc;
}
-
-int op_find(char *path, struct obd_uuid *obduuid, int recursive,
- int verbose, int quiet)
+/* Here, param->obduuid points to a single obduuid, the index of which is
+ * returned in param->obdindex */
+static int setup_obd_uuid(DIR *dir, char *dname, struct find_param *param)
{
- struct find_param param;
- int ret = 0;
-
- memset(¶m, 0, sizeof(param));
- param.recursive = recursive;
- param.verbose = verbose;
- param.quiet = quiet;
- if (obduuid) {
- param.obduuid = malloc(sizeof(*obduuid));
- if (param.obduuid == NULL) {
- ret = ENOMEM;
- goto out;
+ struct obd_uuid lov_uuid;
+ char uuid[sizeof(struct obd_uuid)];
+ char buf[1024];
+ FILE *fp;
+ int rc = 0, index;
+
+ /* Get the lov name */
+ rc = llapi_file_fget_lov_uuid(dirfd(dir), &lov_uuid);
+ if (rc) {
+ if (errno != ENOTTY) {
+ rc = errno;
+ llapi_err(LLAPI_MSG_ERROR,
+ "error: can't get lov name: %s", dname);
+ } else {
+ rc = 0;
}
- memcpy(param.obduuid, obduuid, sizeof(*obduuid));
+ return rc;
}
- ret = prepare_find(¶m);
- if (ret)
- goto out;
-
- process_path(path, ¶m);
-out:
- cleanup_find(¶m);
- return ret;
-}
-
-#define MAX_STRING_SIZE 128
+ param->got_uuids = 1;
-int op_check(int type_num, char **obd_type, char *dir)
-{
- int rc=0;
- int i=0,j=0,k;
- char buf[OBD_MAX_IOCTL_BUFFER];
- char *buf2;
- struct obd_ioctl_data *data = (struct obd_ioctl_data *)buf;
-
- memset(buf, 0, sizeof(buf));
- data->ioc_version = OBD_IOCTL_VERSION;
- data->ioc_inllen1 = sizeof(buf) - size_round(sizeof(*data));
- data->ioc_len = obd_ioctl_packlen(data);
-
- rc = l_ioctl(OBD_DEV_ID, OBD_IOC_LIST, data);
-
- buf2 = data->ioc_bulk;
-
- if (!data->ioc_inlbuf1) {
- err_msg("No buffer passed!\n");
+ /* Now get the ost uuids from /proc */
+ snprintf(buf, sizeof(buf), "/proc/fs/lustre/lov/%s/target_obd",
+ lov_uuid.uuid);
+ fp = fopen(buf, "r");
+ if (fp == NULL) {
rc = errno;
+ llapi_err(LLAPI_MSG_ERROR, "error: opening '%s'", buf);
+ return rc;
}
- do {
- char status[3];
- char obd_type_name[sizeof(struct obd_type)];
- char obd_name[MAX_STRING_SIZE];
- char obd_uuid[sizeof(struct obd_uuid)];
- int obd_type_refcnt;
+ if (!param->obduuid && !param->quiet && !param->obds_printed)
+ llapi_printf(LLAPI_MSG_NORMAL, "OBDS:\n");
- char rawbuf[OBD_MAX_IOCTL_BUFFER];
- char *bufl = rawbuf;
- int max = sizeof(rawbuf);
- struct obd_ioctl_data datal;
- struct obd_statfs osfs_buffer;
-
- memset (&osfs_buffer, 0, sizeof (osfs_buffer));
+ while (fgets(buf, sizeof(buf), fp) != NULL) {
+ if (sscanf(buf, "%d: %s", &index, uuid) < 2)
+ break;
- memset(bufl, 0, sizeof(rawbuf));
- datal.ioc_pbuf1 = (char *)&osfs_buffer;
- datal.ioc_plen1 = sizeof (osfs_buffer);
+ if (param->obduuid) {
+ if (strncmp(param->obduuid->uuid, uuid,
+ sizeof(uuid)) == 0) {
+ param->obdindex = index;
+ break;
+ }
+ } else if (!param->quiet && !param->obds_printed) {
+ /* Print everything */
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", buf);
+ }
+ }
+ param->obds_printed = 1;
- j = sscanf(buf2,"%d %s %s %s %s %d",&j,
- status,obd_type_name,
- obd_name, obd_uuid,
- &obd_type_refcnt);
+ fclose(fp);
- if (j != 6) break;
+ if (!param->quiet && param->obduuid &&
+ (param->obdindex == OBD_NOT_FOUND)) {
+ llapi_err_noerrno(LLAPI_MSG_ERROR,
+ "error: %s: unknown obduuid: %s",
+ __FUNCTION__, param->obduuid->uuid);
+ //rc = EINVAL;
+ }
- for (k=0;k<type_num;k++)
- if (strcmp(obd_type_name, obd_type[k]) == 0) {
- datal.ioc_inlbuf1 = obd_name;
- datal.ioc_inllen1 = strlen(obd_name) + 1;
+ return (rc);
+}
- obd_ioctl_pack(&datal,&bufl,max);
+/* In this case, param->obduuid will be an array of obduuids and
+ * obd index for all these obduuids will be returned in
+ * param->obdindexes */
+static int setup_obd_indexes(DIR *dir, struct find_param *param)
+{
+ struct obd_uuid *uuids = NULL;
+ int obdcount = INIT_ALLOC_NUM_OSTS;
+ int ret, obd_valid = 0, obdnum, i;
+
+ uuids = (struct obd_uuid *)malloc(INIT_ALLOC_NUM_OSTS *
+ sizeof(struct obd_uuid));
+ if (uuids == NULL)
+ return -ENOMEM;
+
+retry_get_uuids:
+ ret = llapi_lov_get_uuids(dirfd(dir), uuids,
+ &obdcount);
+ if (ret) {
+ struct obd_uuid *uuids_temp;
+
+ if (ret == -EOVERFLOW) {
+ uuids_temp = realloc(uuids, obdcount *
+ sizeof(struct obd_uuid));
+ if (uuids_temp != NULL)
+ goto retry_get_uuids;
+ else
+ ret = -ENOMEM;
+ }
- rc = ioctl(dirfd(opendir(dir)), OBD_IOC_PING,bufl);
+ llapi_err(LLAPI_MSG_ERROR, "get ost uuid failed");
+ return ret;
+ }
- if (rc) {
- fprintf(stderr, "error: check %s: %s\n",
- obd_name, strerror(rc = errno));
- } else {
- printf("%s active.\n",obd_name);
- }
+ param->obdindexes = malloc(param->num_obds * sizeof(param->obdindex));
+ if (param->obdindexes == NULL)
+ return -ENOMEM;
+
+ for (obdnum = 0; obdnum < param->num_obds; obdnum++) {
+ for (i = 0; i <= obdcount; i++) {
+ if (strcmp((char *)¶m->obduuid[obdnum].uuid,
+ (char *)&uuids[i]) == 0) {
+ param->obdindexes[obdnum] = i;
+ obd_valid++;
+ break;
}
+ }
+ if (i == obdcount)
+ param->obdindexes[obdnum] = OBD_NOT_FOUND;
+ }
- if (j==6)
- for (i=0;buf2[i]!= '\n';i++);
+ if (obd_valid == 0)
+ param->obdindex = OBD_NOT_FOUND;
+ else
+ param->obdindex = obd_valid;
- buf2 +=(i+1);
+ param->got_uuids = 1;
- } while (j==6);
+ return 0;
+}
+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 quiet, int header, int body)
+{
+ int i, obdstripe = 0;
+
+ if (obdindex != OBD_NOT_FOUND) {
+ for (i = 0; !is_dir && i < lum->lmm_stripe_count; i++) {
+ if (obdindex == objects[i].l_ost_idx) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s\n", path);
+ obdstripe = 1;
+ break;
+ }
+ }
+ } else if (!quiet) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s\n", path);
+ obdstripe = 1;
+ }
+
+ /* if it's a directory */
+ if (is_dir) {
+ if (obdstripe == 1) {
+ if (lum->lmm_object_gr == LOV_OBJECT_GROUP_DEFAULT) {
+ llapi_printf(LLAPI_MSG_NORMAL, "(Default) ");
+ lum->lmm_object_gr = LOV_OBJECT_GROUP_CLEAR;
+ }
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "stripe_count: %d stripe_size: %u "
+ "stripe_offset: %d%s%s\n",
+ lum->lmm_stripe_count == (__u16)-1 ? -1 :
+ lum->lmm_stripe_count,
+ lum->lmm_stripe_size,
+ lum->lmm_stripe_offset == (__u16)-1 ? -1 :
+ lum->lmm_stripe_offset,
+ pool_name != NULL ? " pool: " : "",
+ pool_name != NULL ? pool_name : "");
+ }
+ return;
+ }
+
+ if (header && (obdstripe == 1)) {
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_magic: 0x%08X\n",
+ lum->lmm_magic);
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_object_gr: "LPX64"\n",
+ lum->lmm_object_gr);
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_object_id: "LPX64"\n",
+ lum->lmm_object_id);
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_stripe_count: %u\n",
+ (int)lum->lmm_stripe_count);
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_stripe_size: %u\n",
+ lum->lmm_stripe_size);
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_stripe_pattern: %x\n",
+ lum->lmm_pattern);
+ if (pool_name != NULL)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "lmm_pool_name: %s\n", pool_name);
+ }
+
+ if (body) {
+ if ((!quiet) && (obdstripe == 1))
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "\tobdidx\t\t objid\t\tobjid\t\t group\n");
+
+ for (i = 0; i < lum->lmm_stripe_count; i++) {
+ int idx = objects[i].l_ost_idx;
+ long long oid = objects[i].l_object_id;
+ long long gr = objects[i].l_object_gr;
+ if ((obdindex == OBD_NOT_FOUND) || (obdindex == idx))
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "\t%6u\t%14llu\t%#13llx\t%14llu%s\n",
+ idx, oid, oid, gr,
+ obdindex == idx ? " *" : "");
+ }
+ llapi_printf(LLAPI_MSG_NORMAL, "\n");
+ }
+}
+
+void lov_dump_user_lmm_join(struct lov_user_md_v1 *lum, char *path,
+ int is_dir, int obdindex, int quiet,
+ int header, int body)
+{
+ struct lov_user_md_join *lumj = (struct lov_user_md_join *)lum;
+ int i, obdstripe = 0;
+
+ if (obdindex != OBD_NOT_FOUND) {
+ for (i = 0; i < lumj->lmm_stripe_count; i++) {
+ if (obdindex == lumj->lmm_objects[i].l_ost_idx) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s\n", path);
+ obdstripe = 1;
+ break;
+ }
+ }
+ } else if (!quiet) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s\n", path);
+ obdstripe = 1;
+ }
+
+ if (header && obdstripe == 1) {
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_magic: 0x%08X\n",
+ lumj->lmm_magic);
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_object_gr: "LPX64"\n",
+ lumj->lmm_object_gr);
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_object_id: "LPX64"\n",
+ lumj->lmm_object_id);
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_stripe_count: %u\n",
+ (int)lumj->lmm_stripe_count);
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_stripe_size: %u\n",
+ lumj->lmm_stripe_size);
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_stripe_pattern: %x\n",
+ lumj->lmm_pattern);
+ llapi_printf(LLAPI_MSG_NORMAL, "lmm_extent_count: %x\n",
+ lumj->lmm_extent_count);
+ }
+
+ if (body) {
+ unsigned long long start = -1, end = 0;
+ if (!quiet && obdstripe == 1)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "joined\tobdidx\t\t objid\t\tobjid\t\t "
+ "group\t\tstart\t\tend\n");
+ for (i = 0; i < lumj->lmm_stripe_count; i++) {
+ int idx = lumj->lmm_objects[i].l_ost_idx;
+ long long oid = lumj->lmm_objects[i].l_object_id;
+ long long gr = lumj->lmm_objects[i].l_object_gr;
+ if (obdindex == OBD_NOT_FOUND || obdindex == idx)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "\t%6u\t%14llu\t%#13llx\t%14llu%s",
+ idx, oid, oid, gr,
+ obdindex == idx ? " *" : "");
+ if (start != lumj->lmm_objects[i].l_extent_start ||
+ end != lumj->lmm_objects[i].l_extent_end) {
+ start = lumj->lmm_objects[i].l_extent_start;
+ llapi_printf(LLAPI_MSG_NORMAL,"\t%14llu",start);
+ end = lumj->lmm_objects[i].l_extent_end;
+ if (end == (unsigned long long)-1)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "\t\tEOF\n");
+ else
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "\t\t%llu\n", end);
+ } else {
+ llapi_printf(LLAPI_MSG_NORMAL, "\t\t\t\t\n");
+ }
+ }
+ llapi_printf(LLAPI_MSG_NORMAL, "\n");
+ }
+}
+
+void llapi_lov_dump_user_lmm(struct find_param *param,
+ char *path, int is_dir)
+{
+ switch(*(__u32 *)¶m->lmd->lmd_lmm) { /* lum->lmm_magic */
+ case LOV_USER_MAGIC_V1:
+ lov_dump_user_lmm_v1v3(¶m->lmd->lmd_lmm, NULL,
+ param->lmd->lmd_lmm.lmm_objects,
+ path, is_dir,
+ param->obdindex, param->quiet,
+ param->verbose,
+ (param->verbose || !param->obduuid));
+ break;
+ case LOV_USER_MAGIC_JOIN:
+ lov_dump_user_lmm_join(¶m->lmd->lmd_lmm, path, is_dir,
+ param->obdindex, param->quiet,
+ param->verbose,
+ (param->verbose || !param->obduuid));
+ break;
+ case LOV_USER_MAGIC_V3: {
+ char pool_name[LOV_MAXPOOLNAME + 1];
+ struct lov_user_ost_data_v1 *objects;
+ struct lov_user_md_v3 *lmmv3 = (void *)¶m->lmd->lmd_lmm;
+
+ strncpy(pool_name, lmmv3->lmm_pool_name, LOV_MAXPOOLNAME);
+ pool_name[LOV_MAXPOOLNAME] = '\0';
+ objects = lmmv3->lmm_objects;
+ lov_dump_user_lmm_v1v3(¶m->lmd->lmd_lmm, pool_name,
+ objects, path, is_dir,
+ param->obdindex, param->quiet,
+ param->verbose,
+ (param->verbose || !param->obduuid));
+ break;
+ }
+ default:
+ llapi_printf(LLAPI_MSG_NORMAL, "unknown lmm_magic: %#x "
+ "(expecting one of %#x %#x %#x)\n",
+ *(__u32 *)¶m->lmd->lmd_lmm,
+ LOV_USER_MAGIC_V1, LOV_USER_MAGIC_JOIN,
+ LOV_USER_MAGIC_V3);
+ return;
+ }
+}
+
+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++;
+ }
+
+ if ((fd = open(dname, O_RDONLY)) == -1) {
+ rc = errno;
+ 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)
+{
+ struct obd_ioctl_data data = { 0 };
+ char rawbuf[8192];
+ char *buf = rawbuf;
+ int rc;
+
+ if (dirfd < 0 || name == NULL)
+ return -EINVAL;
+
+ data.ioc_version = OBD_IOCTL_VERSION;
+ data.ioc_len = sizeof(data);
+ data.ioc_inlbuf1 = (char *)name;
+ data.ioc_inllen1 = strlen(name) + 1;
+
+ rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+ if (rc) {
+ llapi_err(LLAPI_MSG_ERROR,
+ "error: IOC_MDC_LOOKUP pack failed for '%s': rc %d",
+ name, rc);
+ return rc;
+ }
+
+ return ioctl(dirfd, IOC_MDC_LOOKUP, buf);
+}
+
+int llapi_mds_getfileinfo(char *path, DIR *parent,
+ struct lov_user_mds_data *lmd)
+{
+ lstat_t *st = &lmd->lmd_st;
+ char *fname = strrchr(path, '/');
+ int ret = 0;
+
+ if (parent == NULL)
+ return -EINVAL;
+
+ fname = (fname == NULL ? path : fname + 1);
+ /* retrieve needed file info */
+ strncpy((char *)lmd, fname,
+ lov_mds_md_size(MAX_LOV_UUID_COUNT, LOV_MAGIC));
+ ret = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO, (void *)lmd);
+
+ if (ret) {
+ if (errno == ENOTTY) {
+ /* ioctl is not supported, it is not a lustre fs.
+ * Do the regular lstat(2) instead. */
+ ret = lstat_f(path, st);
+ if (ret) {
+ llapi_err(LLAPI_MSG_ERROR,
+ "error: %s: lstat failed for %s",
+ __FUNCTION__, path);
+ return ret;
+ }
+ } else if (errno == ENOENT) {
+ llapi_err(LLAPI_MSG_WARN,
+ "warning: %s: %s does not exist",
+ __FUNCTION__, path);
+ return -ENOENT;
+ } else {
+ llapi_err(LLAPI_MSG_ERROR,
+ "error: %s: IOC_MDC_GETFILEINFO failed for %s",
+ __FUNCTION__, path);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static DIR *opendir_parent(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;
+}
+
+static int llapi_semantic_traverse(char *path, int size, DIR *parent,
+ semantic_func_t sem_init,
+ semantic_func_t sem_fini, void *data,
+ cfs_dirent_t *de)
+{
+ cfs_dirent_t *dent;
+ int len, ret;
+ DIR *d, *p = NULL;
+
+ ret = 0;
+ len = strlen(path);
+
+ d = opendir(path);
+ if (!d && errno != ENOTDIR) {
+ llapi_err(LLAPI_MSG_ERROR, "%s: Failed to open '%s'",
+ __FUNCTION__, path);
+ return -EINVAL;
+ } else if (!d && !parent) {
+ /* ENOTDIR. Open the parent dir. */
+ p = opendir_parent(path);
+ if (!p)
+ GOTO(out, ret = -EINVAL);
+ }
+
+ if (sem_init && (ret = sem_init(path, parent ?: p, d, data, de)))
+ goto err;
+
+ if (!d)
+ GOTO(out, ret = 0);
+
+ while ((dent = readdir64(d)) != NULL) {
+ ((struct find_param *)data)->have_fileinfo = 0;
+
+ if (!strcmp(dent->d_name, ".") || !strcmp(dent->d_name, ".."))
+ continue;
+
+ path[len] = 0;
+ if ((len + dent->d_reclen + 2) > size) {
+ llapi_err(LLAPI_MSG_ERROR,
+ "error: %s: string buffer is too small",
+ __FUNCTION__);
+ break;
+ }
+ strcat(path, "/");
+ strcat(path, dent->d_name);
+
+ if (dent->d_type == DT_UNKNOWN) {
+ lstat_t *st = &((struct find_param *)data)->lmd->lmd_st;
+
+ ret = llapi_mds_getfileinfo(path, d,
+ ((struct find_param *)data)->lmd);
+ if (ret == 0) {
+ ((struct find_param *)data)->have_fileinfo = 1;
+ dent->d_type =
+ llapi_filetype_dir_table[st->st_mode &
+ S_IFMT];
+ }
+ if (ret == -ENOENT)
+ continue;
+ }
+
+ switch (dent->d_type) {
+ case DT_UNKNOWN:
+ llapi_err(LLAPI_MSG_ERROR,
+ "error: %s: '%s' is UNKNOWN type %d",
+ __FUNCTION__, dent->d_name, dent->d_type);
+ break;
+ case DT_DIR:
+ ret = llapi_semantic_traverse(path, size, d, sem_init,
+ sem_fini, data, dent);
+ if (ret < 0)
+ goto out;
+ break;
+ default:
+ ret = 0;
+ if (sem_init) {
+ ret = sem_init(path, d, NULL, data, dent);
+ if (ret < 0)
+ goto out;
+ }
+ if (sem_fini && ret == 0)
+ sem_fini(path, d, NULL, data, dent);
+ }
+ }
+
+out:
+ path[len] = 0;
+
+ if (sem_fini)
+ sem_fini(path, parent, d, data, de);
+err:
+ if (d)
+ closedir(d);
+ if (p)
+ closedir(p);
+ return ret;
+}
+
+/* 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 bolow 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 |
+ * 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 int file, unsigned int limit, int sign,
+ unsigned long long margin, int mds)
+{
+ if (sign > 0) {
+ if (file < limit)
+ return mds ? 0 : 1;
+ }
+
+ if (sign == 0) {
+ if (file <= limit && file + margin > limit)
+ return mds ? 0 : 1;
+ if (file + margin <= limit)
+ return mds ? 0 : -1;
+ }
+
+ if (sign < 0) {
+ if (file > limit)
+ return 1;
+ if (mds)
+ return 0;
+ }
+
+ return -1;
+}
+
+/* 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
+ * attributes on OSTs and it is not yet clear if the timespamp matches.
+ *
+ * If 0 is returned, we need to do another RPC to the OSTs to obtain the
+ * updated timestamps. */
+static int find_time_check(lstat_t *st, struct find_param *param, int mds)
+{
+ int ret;
+ int rc = 0;
+
+ /* Check if file is accepted. */
+ if (param->atime) {
+ ret = find_value_cmp(st->st_atime, param->atime,
+ param->asign, 24 * 60 * 60, mds);
+ if (ret < 0)
+ return ret;
+ rc = ret;
+ }
+
+ if (param->mtime) {
+ ret = find_value_cmp(st->st_mtime, param->mtime,
+ param->msign, 24 * 60 * 60, mds);
+ if (ret < 0)
+ return ret;
+
+ /* If the previous check matches, but this one is not yet clear,
+ * we should return 0 to do an RPC on OSTs. */
+ if (rc == 1)
+ rc = ret;
+ }
+
+ if (param->ctime) {
+ ret = find_value_cmp(st->st_ctime, param->ctime,
+ param->csign, 24 * 60 * 60, mds);
+ if (ret < 0)
+ return ret;
+
+ /* If the previous check matches, but this one is not yet clear,
+ * we should return 0 to do an RPC on OSTs. */
+ if (rc == 1)
+ rc = ret;
+ }
+
+ return rc;
+}
+
+static int cb_find_init(char *path, DIR *parent, DIR *dir,
+ void *data, cfs_dirent_t *de)
+{
+ struct find_param *param = (struct find_param *)data;
+ int decision = 1; /* 1 is accepted; -1 is rejected. */
+ lstat_t *st = ¶m->lmd->lmd_st;
+ int lustre_fs = 1;
+ int checked_type = 0;
+ int ret = 0;
+
+ LASSERT(parent != NULL || dir != NULL);
+
+ param->lmd->lmd_lmm.lmm_stripe_count = 0;
+
+ /* If a regular expression is presented, make the initial decision */
+ if (param->pattern != NULL) {
+ char *fname = strrchr(path, '/');
+ fname = (fname == NULL ? path : fname + 1);
+ ret = fnmatch(param->pattern, fname, 0);
+ if ((ret == FNM_NOMATCH && !param->exclude_pattern) ||
+ (ret == 0 && param->exclude_pattern))
+ goto decided;
+ }
+
+ /* See if we can check the file type from the dirent. */
+ if (param->type && de != NULL && de->d_type != DT_UNKNOWN &&
+ de->d_type < DT_MAX) {
+ checked_type = 1;
+ if (llapi_dir_filetype_table[de->d_type] == param->type) {
+ if (param->exclude_type)
+ goto decided;
+ } else {
+ if (!param->exclude_type)
+ goto decided;
+ }
+ }
+
+
+ /* If a time or OST should be checked, the decision is not taken yet. */
+ if (param->atime || param->ctime || param->mtime || param->obduuid ||
+ param->size)
+ decision = 0;
+
+ ret = 0;
+ /* Request MDS for the stat info. */
+ if (param->have_fileinfo == 0) {
+ if (dir) {
+ /* retrieve needed file info */
+ ret = ioctl(dirfd(dir), LL_IOC_MDC_GETINFO,
+ (void *)param->lmd);
+ } else {
+ char *fname = strrchr(path, '/');
+ fname = (fname == NULL ? path : fname + 1);
+
+ /* retrieve needed file info */
+ strncpy((char *)param->lmd, fname, param->lumlen);
+ ret = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO,
+ (void *)param->lmd);
+ }
+ }
+
+ if (ret) {
+ if (errno == ENOTTY) {
+ /* ioctl is not supported, it is not a lustre fs.
+ * Do the regular lstat(2) instead. */
+ lustre_fs = 0;
+ ret = lstat_f(path, st);
+ if (ret) {
+ llapi_err(LLAPI_MSG_ERROR,
+ "error: %s: lstat failed for %s",
+ __FUNCTION__, path);
+ return ret;
+ }
+ } else if (errno == ENOENT) {
+ llapi_err(LLAPI_MSG_WARN,
+ "warning: %s: %s does not exist",
+ __FUNCTION__, path);
+ goto decided;
+ } else {
+ llapi_err(LLAPI_MSG_ERROR,"error: %s: %s failed for %s",
+ __FUNCTION__, dir ? "LL_IOC_MDC_GETINFO" :
+ "IOC_MDC_GETFILEINFO", path);
+ return ret;
+ }
+ }
+
+ if (param->type && !checked_type) {
+ if ((st->st_mode & S_IFMT) == param->type) {
+ if (param->exclude_type)
+ goto decided;
+ } else {
+ if (!param->exclude_type)
+ goto decided;
+ }
+ }
+
+ /* Prepare odb. */
+ if (param->obduuid) {
+ if (lustre_fs && param->got_uuids &&
+ param->st_dev != st->st_dev) {
+ /* A lustre/lustre mount point is crossed. */
+ param->got_uuids = 0;
+ param->obds_printed = 0;
+ param->obdindex = OBD_NOT_FOUND;
+ }
+
+ if (lustre_fs && !param->got_uuids) {
+ ret = setup_obd_indexes(dir ? dir : parent, param);
+ if (ret)
+ return ret;
+
+ param->st_dev = st->st_dev;
+ } else if (!lustre_fs && param->got_uuids) {
+ /* A lustre/non-lustre mount point is crossed. */
+ param->got_uuids = 0;
+ param->obdindex = OBD_NOT_FOUND;
+ }
+ }
+
+ /* If an OBD UUID is specified but no one matches, skip this file. */
+ if (param->obduuid && param->obdindex == OBD_NOT_FOUND)
+ goto decided;
+
+ /* If a OST UUID is given, and some OST matches, check it here. */
+ if (param->obdindex != OBD_NOT_FOUND) {
+ if (!S_ISREG(st->st_mode))
+ goto decided;
+
+ /* Only those files should be accepted, which have a
+ * stripe on the specified OST. */
+ if (!param->lmd->lmd_lmm.lmm_stripe_count) {
+ goto decided;
+ } else {
+ int i, j;
+ struct lov_user_ost_data_v1 *lmm_objects;
+
+ if (param->lmd->lmd_lmm.lmm_magic ==
+ LOV_USER_MAGIC_V3) {
+ struct lov_user_md_v3 *lmmv3 =
+ (void *)¶m->lmd->lmd_lmm;
+
+ lmm_objects = lmmv3->lmm_objects;
+ } else {
+ lmm_objects = param->lmd->lmd_lmm.lmm_objects;
+ }
+
+ for (i = 0;
+ i < param->lmd->lmd_lmm.lmm_stripe_count; i++) {
+ for (j = 0; j < param->num_obds; j++) {
+ if (param->obdindexes[j] ==
+ lmm_objects[i].l_ost_idx)
+ goto obd_matches;
+ }
+ }
+
+ if (i == param->lmd->lmd_lmm.lmm_stripe_count)
+ goto decided;
+ }
+ }
+
+ if (param->check_uid) {
+ if (st->st_uid == param->uid) {
+ if (param->exclude_uid)
+ goto decided;
+ } else {
+ if (!param->exclude_uid)
+ goto decided;
+ }
+ }
+
+ if (param->check_gid) {
+ if (st->st_gid == param->gid) {
+ if (param->exclude_gid)
+ goto decided;
+ } else {
+ if (!param->exclude_gid)
+ goto decided;
+ }
+ }
+
+ if (param->check_pool) {
+ struct lov_user_md_v3 *lmmv3 = (void *)¶m->lmd->lmd_lmm;
+
+ /* empty requested pool is taken as no pool search => V1 */
+ if (((param->lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V1) &&
+ (param->poolname[0] == '\0')) ||
+ ((param->lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V3) &&
+ (strncmp(lmmv3->lmm_pool_name,
+ param->poolname, LOV_MAXPOOLNAME) == 0)) ||
+ ((param->lmd->lmd_lmm.lmm_magic == LOV_USER_MAGIC_V3) &&
+ (strcmp(param->poolname, "*") == 0))) {
+ if (param->exclude_pool)
+ goto decided;
+ } else {
+ if (!param->exclude_pool)
+ goto decided;
+ }
+ }
+
+ /* Check the time on mds. */
+ if (!decision) {
+ int for_mds;
+
+ for_mds = lustre_fs ? (S_ISREG(st->st_mode) &&
+ param->lmd->lmd_lmm.lmm_stripe_count)
+ : 0;
+ decision = find_time_check(st, param, for_mds);
+ }
+
+obd_matches:
+ /* If file still fits the request, ask osd for updated info.
+ The regulat stat is almost of the same speed as some new
+ 'glimpse-size-ioctl'. */
+ if (!decision && S_ISREG(st->st_mode) &&
+ (param->lmd->lmd_lmm.lmm_stripe_count || param->size)) {
+ if (param->obdindex != OBD_NOT_FOUND) {
+ /* Check whether the obd is active or not, if it is
+ * not active, just print the object affected by this
+ * failed ost
+ * */
+ struct obd_statfs stat_buf;
+ struct obd_uuid uuid_buf;
+
+ memset(&stat_buf, 0, sizeof(struct obd_statfs));
+ memset(&uuid_buf, 0, sizeof(struct obd_uuid));
+ ret = llapi_obd_statfs(path, LL_STATFS_LOV,
+ param->obdindex, &stat_buf,
+ &uuid_buf);
+ if (ret) {
+ if (ret == -ENODATA || ret == -ENODEV
+ || ret == -EIO)
+ errno = EIO;
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "obd_uuid: %s failed %s ",
+ param->obduuid->uuid,
+ strerror(errno));
+ goto print_path;
+ }
+ }
+ if (dir) {
+ ret = ioctl(dirfd(dir), IOC_LOV_GETINFO,
+ (void *)param->lmd);
+ } else if (parent) {
+ ret = ioctl(dirfd(parent), IOC_LOV_GETINFO,
+ (void *)param->lmd);
+ }
+
+ if (ret) {
+ if (errno == ENOENT) {
+ llapi_err(LLAPI_MSG_ERROR,
+ "warning: %s: %s does not exist",
+ __FUNCTION__, path);
+ goto decided;
+ } else {
+ llapi_err(LLAPI_MSG_ERROR,
+ "%s: IOC_LOV_GETINFO on %s failed",
+ __FUNCTION__, path);
+ return ret;
+ }
+ }
+
+ /* Check the time on osc. */
+ decision = find_time_check(st, param, 0);
+ if (decision == -1)
+ goto decided;
+ }
+
+ if (param->size)
+ decision = find_value_cmp(st->st_size, param->size,
+ param->size_sign, param->size_units,
+ 0);
+
+print_path:
+ if (decision != -1) {
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", path);
+ if (param->zeroend)
+ llapi_printf(LLAPI_MSG_NORMAL, "%c", '\0');
+ else
+ llapi_printf(LLAPI_MSG_NORMAL, "\n");
+ }
+
+decided:
+ /* Do not get down anymore? */
+ if (param->depth == param->maxdepth)
+ return 1;
+
+ param->depth++;
+ return 0;
+}
+
+static int cb_common_fini(char *path, DIR *parent, DIR *d, void *data,
+ cfs_dirent_t *de)
+{
+ struct find_param *param = (struct find_param *)data;
+ param->depth--;
+ return 0;
+}
+
+int llapi_find(char *path, struct find_param *param)
+{
+ char *buf;
+ int ret, len = strlen(path);
+
+ if (len > PATH_MAX) {
+ llapi_err(LLAPI_MSG_ERROR, "%s: Path name '%s' is too long",
+ __FUNCTION__, path);
+ return -EINVAL;
+ }
+
+ buf = (char *)malloc(PATH_MAX + 1);
+ if (!buf)
+ return -ENOMEM;
+
+ ret = common_param_init(param);
+ if (ret) {
+ free(buf);
+ return ret;
+ }
+
+ param->depth = 0;
+
+ strncpy(buf, path, PATH_MAX + 1);
+ ret = llapi_semantic_traverse(buf, PATH_MAX + 1, NULL, cb_find_init,
+ cb_common_fini, param, NULL);
+
+ find_param_fini(param);
+ free(buf);
+ return ret < 0 ? ret : 0;
+}
+
+static int cb_getstripe(char *path, DIR *parent, DIR *d, void *data,
+ cfs_dirent_t *de)
+{
+ struct find_param *param = (struct find_param *)data;
+ int ret = 0;
+
+ LASSERT(parent != NULL || d != NULL);
+
+ /* Prepare odb. */
+ if (!param->got_uuids) {
+ ret = setup_obd_uuid(d ? d : parent, path, param);
+ if (ret)
+ return ret;
+ }
+
+ if (d) {
+ ret = ioctl(dirfd(d), LL_IOC_LOV_GETSTRIPE,
+ (void *)¶m->lmd->lmd_lmm);
+ } else if (parent) {
+ char *fname = strrchr(path, '/');
+ fname = (fname == NULL ? path : fname + 1);
+
+ strncpy((char *)¶m->lmd->lmd_lmm, fname, param->lumlen);
+ ret = ioctl(dirfd(parent), IOC_MDC_GETFILESTRIPE,
+ (void *)¶m->lmd->lmd_lmm);
+ }
+
+ if (ret) {
+ if (errno == ENODATA) {
+ if (!param->obduuid && !param->quiet)
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "%s has no stripe info\n", path);
+ goto out;
+ } else if (errno == ENOTTY) {
+ llapi_err(LLAPI_MSG_ERROR,
+ "%s: '%s' not on a Lustre fs?",
+ __FUNCTION__, path);
+ } else if (errno == ENOENT) {
+ llapi_err(LLAPI_MSG_WARN,
+ "warning: %s: %s does not exist",
+ __FUNCTION__, path);
+ goto out;
+ } else {
+ llapi_err(LLAPI_MSG_ERROR,
+ "error: %s: %s failed for %s",
+ __FUNCTION__, d ? "LL_IOC_LOV_GETSTRIPE" :
+ "IOC_MDC_GETFILESTRIPE", path);
+ }
+
+ return ret;
+ }
+
+ llapi_lov_dump_user_lmm(param, path, d ? 1 : 0);
+out:
+ /* Do not get down anymore? */
+ if (param->depth == param->maxdepth)
+ return 1;
+
+ param->depth++;
+ return 0;
+}
+
+int llapi_getstripe(char *path, struct find_param *param)
+{
+ char *buf;
+ int ret = 0, len = strlen(path);
+
+ if (len > PATH_MAX) {
+ llapi_err(LLAPI_MSG_ERROR,
+ "%s: Path name '%s' is too long",
+ __FUNCTION__, path);
+ return -EINVAL;
+ }
+
+ buf = (char *)malloc(PATH_MAX + 1);
+ if (!buf)
+ return -ENOMEM;
+
+ ret = common_param_init(param);
+ if (ret) {
+ free(buf);
+ return ret;
+ }
+
+ param->depth = 0;
+
+ strncpy(buf, path, PATH_MAX + 1);
+ ret = llapi_semantic_traverse(buf, PATH_MAX + 1, NULL, cb_getstripe,
+ cb_common_fini, param, NULL);
+ find_param_fini(param);
+ free(buf);
+ return ret < 0 ? ret : 0;
+}
+
+int llapi_obd_statfs(char *path, __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 };
+ int rc = 0;
+
+ data.ioc_inlbuf1 = (char *)&type;
+ data.ioc_inllen1 = sizeof(__u32);
+ data.ioc_inlbuf2 = (char *)&index;
+ data.ioc_inllen2 = sizeof(__u32);
+ data.ioc_pbuf1 = (char *)stat_buf;
+ data.ioc_plen1 = sizeof(struct obd_statfs);
+ data.ioc_pbuf2 = (char *)uuid_buf;
+ data.ioc_plen2 = sizeof(struct obd_uuid);
+
+ if ((rc = obd_ioctl_pack(&data, &rawbuf, sizeof(raw))) != 0) {
+ llapi_err(LLAPI_MSG_ERROR,
+ "llapi_obd_statfs: error packing ioctl data");
+ return rc;
+ }
+
+ fd = open(path, O_RDONLY);
+ if (errno == EISDIR)
+ fd = open(path, O_DIRECTORY | O_RDONLY);
+
+ if (fd < 0) {
+ rc = errno ? -errno : -EBADF;
+ llapi_err(LLAPI_MSG_ERROR, "error: %s: opening '%s'",
+ __FUNCTION__, path);
+ return rc;
+ }
+ rc = ioctl(fd, IOC_OBD_STATFS, (void *)rawbuf);
+ if (rc)
+ rc = errno ? -errno : -EINVAL;
+
+ close(fd);
+ return rc;
+}
+
+#define MAX_STRING_SIZE 128
+#define DEVICES_LIST "/proc/fs/lustre/devices"
+
+int llapi_ping(char *obd_type, char *obd_name)
+{
+ 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_err(LLAPI_MSG_ERROR, "error opening %s", path);
+ return rc;
+ }
+
+ rc = write(fd, buf, 1);
+ 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_err(LLAPI_MSG_ERROR, "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 rawbuf[OBD_MAX_IOCTL_BUFFER];
+ char *bufl = rawbuf;
+ char *bufp = buf;
+ struct obd_ioctl_data datal = { 0, };
+ 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));
+
+ memset(bufl, 0, sizeof(rawbuf));
+ datal.ioc_pbuf1 = (char *)&osfs_buffer;
+ datal.ioc_plen1 = sizeof(osfs_buffer);
+
+ for (i = 0; i < type_num; i++) {
+ if (strcmp(obd_type_name, obd_type[i]) != 0)
+ continue;
+
+ cb(obd_type_name, obd_name, obd_uuid, args);
+ }
+ }
+ fclose(fp);
return rc;
}
+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_err(LLAPI_MSG_ERROR, "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
-int op_catinfo(char *dir, char *keyword, char *node_name)
+int llapi_catinfo(char *dir, char *keyword, char *node_name)
{
char raw[OBD_MAX_IOCTL_BUFFER];
char out[LLOG_CHUNK_SIZE];
char *buf = raw;
- struct obd_ioctl_data data;
+ struct obd_ioctl_data data = { 0 };
char key[30];
DIR *root;
int rc;
-
+
sprintf(key, "%s", keyword);
- memset(raw, 0, sizeof(buf));
+ memset(raw, 0, sizeof(raw));
memset(out, 0, sizeof(out));
data.ioc_inlbuf1 = key;
data.ioc_inllen1 = strlen(key) + 1;
data.ioc_pbuf1 = out;
data.ioc_plen1 = sizeof(out);
rc = obd_ioctl_pack(&data, &buf, sizeof(raw));
- if (rc)
+ if (rc)
return rc;
-
+
root = opendir(dir);
if (root == NULL) {
- err_msg("open %s failed", dir);
- return errno;
+ rc = errno;
+ llapi_err(LLAPI_MSG_ERROR, "open %s failed", dir);
+ return rc;
}
- rc = ioctl(dirfd(root), OBD_IOC_LLOG_CATINFO, buf);
+ rc = ioctl(dirfd(root), OBD_IOC_LLOG_CATINFO, buf);
if (rc)
- err_msg("ioctl OBD_IOC_CATINFO failed");
+ llapi_err(LLAPI_MSG_ERROR, "ioctl OBD_IOC_CATINFO failed");
else
- fprintf(stdout, "%s", data.ioc_pbuf1);
-
+ llapi_printf(LLAPI_MSG_NORMAL, "%s", data.ioc_pbuf1);
+
+ closedir(root);
+ return rc;
+}
+
+/* Is this a lustre fs? */
+int llapi_is_lustre_mnttype(const char *type)
+{
+ return (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_quotacheck(char *mnt, int check_type)
+{
+ DIR *root;
+ int rc;
+
+ root = opendir(mnt);
+ if (!root) {
+ llapi_err(LLAPI_MSG_ERROR, "open %s failed", mnt);
+ return -1;
+ }
+
+ rc = ioctl(dirfd(root), LL_IOC_QUOTACHECK, check_type);
+
+ closedir(root);
+ return rc;
+}
+
+int llapi_poll_quotacheck(char *mnt, struct if_quotacheck *qchk)
+{
+ DIR *root;
+ int poll_intvl = 2;
+ int rc;
+
+ root = opendir(mnt);
+ if (!root) {
+ llapi_err(LLAPI_MSG_ERROR, "open %s failed", mnt);
+ return -1;
+ }
+
+ while (1) {
+ rc = ioctl(dirfd(root), LL_IOC_POLL_QUOTACHECK, qchk);
+ if (!rc)
+ break;
+ sleep(poll_intvl);
+ if (poll_intvl < 30)
+ poll_intvl *= 2;
+ }
+
+ closedir(root);
+ return rc;
+}
+
+int llapi_quotactl(char *mnt, struct if_quotactl *qctl)
+{
+ DIR *root;
+ int rc;
+
+ root = opendir(mnt);
+ if (!root) {
+ llapi_err(LLAPI_MSG_ERROR, "open %s failed", mnt);
+ return -1;
+ }
+
+ rc = ioctl(dirfd(root), LL_IOC_QUOTACTL, qctl);
+
closedir(root);
return rc;
}
-
+
+static int cb_quotachown(char *path, DIR *parent, DIR *d, void *data,
+ cfs_dirent_t *de)
+{
+ struct find_param *param = (struct find_param *)data;
+ lstat_t *st;
+ int rc;
+
+ LASSERT(parent != NULL || d != NULL);
+
+ if (d) {
+ rc = ioctl(dirfd(d), LL_IOC_MDC_GETINFO,
+ (void *)param->lmd);
+ } else if (parent) {
+ char *fname = strrchr(path, '/');
+ fname = (fname == NULL ? path : fname + 1);
+
+ strncpy((char *)param->lmd, fname, param->lumlen);
+ rc = ioctl(dirfd(parent), IOC_MDC_GETFILEINFO,
+ (void *)param->lmd);
+ } else {
+ return 0;
+ }
+
+ if (rc) {
+ if (errno == ENODATA) {
+ if (!param->obduuid && !param->quiet)
+ llapi_err(LLAPI_MSG_ERROR,
+ "%s has no stripe info", path);
+ rc = 0;
+ } else if (errno == ENOENT) {
+ llapi_err(LLAPI_MSG_ERROR,
+ "warning: %s: %s does not exist",
+ __FUNCTION__, path);
+ rc = 0;
+ } else if (errno != EISDIR) {
+ rc = errno;
+ llapi_err(LLAPI_MSG_ERROR, "%s ioctl failed for %s.",
+ d ? "LL_IOC_MDC_GETINFO" :
+ "IOC_MDC_GETFILEINFO", path);
+ }
+ return rc;
+ }
+
+ st = ¶m->lmd->lmd_st;
+
+ /* libc chown() will do extra check, and if the real owner is
+ * the same as the ones to set, it won't fall into kernel, so
+ * invoke syscall directly. */
+ rc = syscall(SYS_chown, path, -1, -1);
+ if (rc)
+ llapi_err(LLAPI_MSG_ERROR,"error: chown %s (%u,%u)", path);
+
+ rc = chmod(path, st->st_mode);
+ if (rc)
+ llapi_err(LLAPI_MSG_ERROR, "error: chmod %s (%hu)",
+ path, st->st_mode);
+
+ return rc;
+}
+
+int llapi_quotachown(char *path, int flag)
+{
+ struct find_param param;
+ char *buf;
+ int ret = 0, len = strlen(path);
+
+ if (len > PATH_MAX) {
+ llapi_err(LLAPI_MSG_ERROR, "%s: Path name '%s' is too long",
+ __FUNCTION__, path);
+ return -EINVAL;
+ }
+
+ buf = (char *)malloc(PATH_MAX + 1);
+ if (!buf)
+ return -ENOMEM;
+
+ memset(¶m, 0, sizeof(param));
+ param.recursive = 1;
+ param.verbose = 0;
+ param.quiet = 1;
+
+ ret = common_param_init(¶m);
+ if (ret)
+ goto out;
+
+ strncpy(buf, path, PATH_MAX + 1);
+ ret = llapi_semantic_traverse(buf, PATH_MAX + 1, NULL, cb_quotachown,
+ NULL, ¶m, NULL);
+out:
+ find_param_fini(¶m);
+ free(buf);
+ return ret;
+}
+
+#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, rc;
+
+ fp = setmntent(MOUNTED, "r");
+ if (fp == NULL) {
+ perror("setmntent");
+ return -1;
+ }
+
+ 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) {
+ perror("open");
+ return -1;
+ }
+
+ rc = ioctl(fd, LL_IOC_RMTACL, ops);
+ if (rc < 0) {
+ perror("ioctl");
+ return -1;
+ }
+
+ found++;
+ }
+ endmntent(fp);
+ return 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;
+}
+
+static int rmtacl_name2id(char *name, int is_user)
+{
+ if (is_user) {
+ struct passwd *pw;
+
+ if ((pw = getpwnam(name)) == NULL)
+ return INVALID_ID;
+ else
+ return (int)(pw->pw_uid);
+ } else {
+ struct group *gr;
+
+ if ((gr = getgrnam(name)) == 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;
+ }
+
+ 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;
+}
+
+static int child_status(int status)
+{
+ return WIFEXITED(status) ? WEXITSTATUS(status) : -1;
+}
+
+static int do_rmtacl(int argc, char *argv[], int ops, int (output_func)(char *))
+{
+ pid_t pid = 0;
+ int fd[2], status;
+ FILE *fp;
+ char buf[PIPE_BUF];
+
+ if (output_func) {
+ if (pipe(fd) < 0) {
+ perror("pipe");
+ return -1;
+ }
+
+ if ((pid = fork()) < 0) {
+ perror("fork");
+ close(fd[0]);
+ close(fd[1]);
+ return -1;
+ } else if (!pid) {
+ /* child process redirects its output. */
+ close(fd[0]);
+ close(1);
+ if (dup2(fd[1], 1) < 0) {
+ perror("dup2");
+ close(fd[1]);
+ return -1;
+ }
+ } else {
+ close(fd[1]);
+ }
+ }
+
+ if (!pid) {
+ status = rmtacl_notify(ops);
+ if (status < 0)
+ return -1;
+
+ exit(execvp(argv[0], argv));
+ }
+
+ /* the following is parent process */
+ if ((fp = fdopen(fd[0], "r")) == NULL) {
+ perror("fdopen");
+ kill(pid, SIGKILL);
+ close(fd[0]);
+ return -1;
+ }
+
+ 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]);
+
+ if (waitpid(pid, &status, 0) < 0) {
+ perror("waitpid");
+ return -1;
+ }
+
+ return child_status(status);
+}
+
+int llapi_lsetfacl(int argc, char *argv[])
+{
+ return do_rmtacl(argc, argv, RMT_LSETFACL, NULL);
+}
+
+int llapi_lgetfacl(int argc, char *argv[])
+{
+ return do_rmtacl(argc, argv, RMT_LGETFACL, NULL);
+}
+
+int llapi_rsetfacl(int argc, char *argv[])
+{
+ return do_rmtacl(argc, argv, RMT_RSETFACL, NULL);
+}
+
+int llapi_rgetfacl(int argc, char *argv[])
+{
+ return do_rmtacl(argc, argv, RMT_RGETFACL, rgetfacl_output);
+}
+
+int llapi_cp(int argc, char *argv[])
+{
+ int rc;
+
+ rc = rmtacl_notify(RMT_RSETFACL);
+ if (rc < 0)
+ return -1;
+
+ exit(execvp(argv[0], argv));
+}
+
+int llapi_ls(int argc, char *argv[])
+{
+ int rc;
+
+ rc = rmtacl_notify(RMT_LGETFACL);
+ if (rc < 0)
+ return -1;
+
+ exit(execvp(argv[0], argv));
+}
+
+int llapi_path2fid(const char *path, unsigned long long *seq,
+ unsigned long *oid, unsigned long *ver)
+{
+ struct lu_fid fid;
+ int fd, rc;
+
+ fd = open(path, O_RDONLY);
+ if (fd < 0)
+ return -errno;
+
+ rc = ioctl(fd, LL_IOC_PATH2FID, &fid);
+ *seq = fid_seq(&fid);
+ *oid = fid_oid(&fid);
+ *ver = fid_ver(&fid);
+
+ close(fd);
+ return rc;
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff