4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2012, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
35 #endif /* HAVE_CONFIG_H */
45 #include <linux/lustre/lustre_ver.h>
46 #include <sys/mount.h>
48 #include <sys/utsname.h>
49 #include <linux/loop.h>
50 #include <sys/types.h>
53 #include <linux/lustre/lustre_cfg.h>
55 #include <sys/types.h>
56 #include <sys/xattr.h>
60 #include <lustre/utils/gss/sk_utils.h>
63 #include "mount_utils.h"
65 extern char *progname;
68 #define vprint(fmt, arg...) if (verbose > 0) printf(fmt, ##arg)
69 #define verrprint(fmt, arg...) if (verbose >= 0) fprintf(stderr, fmt, ##arg)
71 #ifdef HAVE_SERVER_SUPPORT
72 static struct module_backfs_ops *backfs_ops[LDD_MT_LAST];
78 fprintf(stderr, "\n%s FATAL: ", progname);
81 int run_command(char *cmd, int cmdsz)
83 char log[] = "/tmp/run_command_logXXXXXX";
86 if ((cmdsz - strlen(cmd)) < 6) {
88 fprintf(stderr, "Command buffer overflow: %.*s...\n",
94 printf("cmd: %s\n", cmd);
96 if ((fd = mkstemp(log)) >= 0) {
102 strcat(cmd, " 2>&1");
104 /* Can't use popen because we need the rv of the command */
106 if (rc && (fd >= 0)) {
109 fp = fopen(log, "r");
111 while (fgets(buf, sizeof(buf), fp) != NULL) {
122 #ifdef HAVE_SERVER_SUPPORT
123 int add_param(char *buf, char *key, char *val)
125 int end = sizeof(((struct lustre_disk_data *)0)->ldd_params);
126 int start = strlen(buf);
130 keylen = strlen(key);
131 if (start + 1 + keylen + strlen(val) >= end) {
132 fprintf(stderr, "%s: params are too long-\n%s %s%s\n",
133 progname, buf, key ? key : "", val);
137 sprintf(buf + start, " %s%s", key ? key : "", val);
141 int get_param(char *buf, char *key, char **val)
143 int i, key_len = strlen(key);
146 ptr = strstr(buf, key);
148 *val = strdup(ptr + key_len);
152 for (i = 0; i < strlen(*val); i++)
153 if (((*val)[i] == ' ') || ((*val)[i] == '\0'))
163 int append_param(char *buf, char *key, char *val, char sep)
165 int key_len, i, offset, old_val_len;
166 char *ptr = NULL, str[1024];
169 ptr = strstr(buf, key);
171 /* key doesn't exist yet, so just add it */
173 return add_param(buf, key, val);
175 key_len = strlen(key);
177 /* Copy previous values to str */
178 for (i = 0; i < sizeof(str); ++i) {
179 if ((ptr[i+key_len] == ' ') || (ptr[i+key_len] == '\0'))
181 str[i] = ptr[i+key_len];
183 if (i == sizeof(str))
187 offset = old_val_len+key_len;
189 /* Move rest of buf to overwrite previous key and value */
190 for (i = 0; ptr[i+offset] != '\0'; ++i)
191 ptr[i] = ptr[i+offset];
195 snprintf(str+old_val_len, sizeof(str)-old_val_len, "%c%s", sep, val);
197 return add_param(buf, key, str);
201 char *strscat(char *dst, char *src, int buflen)
204 if (strlen(dst) + strlen(src) >= buflen) {
205 fprintf(stderr, "string buffer overflow (max %d): '%s' + '%s'"
206 "\n", buflen, dst, src);
209 return strcat(dst, src);
212 char *strscpy(char *dst, char *src, int buflen)
215 return strscat(dst, src, buflen);
218 int check_mtab_entry(char *spec1, char *spec2, char *mtpt, char *type)
223 fp = setmntent(MOUNTED, "r");
227 while ((mnt = getmntent(fp)) != NULL) {
228 if ((strcmp(mnt->mnt_fsname, spec1) == 0 ||
229 strcmp(mnt->mnt_fsname, spec2) == 0) &&
230 (mtpt == NULL || strcmp(mnt->mnt_dir, mtpt) == 0) &&
231 (type == NULL || strcmp(mnt->mnt_type, type) == 0)) {
242 #include <linux/magic.h>
244 static int mtab_is_proc(const char *mtab)
247 if (statfs(mtab, &s) < 0)
250 return (s.f_type == PROC_SUPER_MAGIC);
255 # include <libmount/libmount.h>
258 * The libmount is part of util-linux since 2.18.
259 * We use it to update utab to avoid umount would
260 * blocked in some rare case.
262 int update_utab_entry(struct mount_opts *mop)
264 struct libmnt_fs *fs = mnt_new_fs();
265 struct libmnt_update *upd;
268 mnt_fs_set_source(fs, mop->mo_source);
269 mnt_fs_set_target(fs, mop->mo_target);
270 mnt_fs_set_fstype(fs, "lustre");
271 mnt_fs_set_attributes(fs, "lustre");
273 upd = mnt_new_update();
277 rc = mnt_update_set_fs(upd, mop->mo_nomtab ? MS_REMOUNT : 0, NULL, fs);
278 if (rc == 1) /* update is unnecessary */
282 "error: failed to save utab entry: rc = %d\n", rc);
284 rc = mnt_update_table(upd, NULL);
287 mnt_free_update(upd);
293 int update_utab_entry(struct mount_opts *mop)
297 #endif /* HAVE_LIBMOUNT */
299 int update_mtab_entry(char *spec, char *mtpt, char *type, char *opts,
300 int flags, int freq, int pass)
306 /* Don't update mtab if it is linked to any file in /proc direcotry.*/
307 if (mtab_is_proc(MOUNTED))
310 mnt.mnt_fsname = spec;
313 mnt.mnt_opts = opts ? opts : "";
315 mnt.mnt_passno = pass;
317 fp = setmntent(MOUNTED, "a+");
319 fprintf(stderr, "%s: setmntent(%s): %s\n",
320 progname, MOUNTED, strerror (errno));
323 if ((addmntent(fp, &mnt)) == 1) {
324 fprintf(stderr, "%s: addmntent: %s\n",
325 progname, strerror (errno));
334 /* Search for opt in mntlist, returning true if found.
336 static int in_mntlist(char *opt, char *mntlist)
338 char *ml, *mlp, *item, *ctx = NULL;
340 if (!(ml = strdup(mntlist))) {
341 fprintf(stderr, "%s: out of memory\n", progname);
345 while ((item = strtok_r(mlp, ",", &ctx))) {
346 if (!strcmp(opt, item))
351 return (item != NULL);
354 /* Issue a message on stderr for every item in wanted_mountopts that is not
355 * present in mountopts. The justwarn boolean toggles between error and
356 * warning message. Return an error count.
358 int check_mountfsoptions(char *mountopts, char *wanted_mountopts)
360 char *ml, *mlp, *item, *ctx = NULL;
363 if (!(ml = strdup(wanted_mountopts))) {
364 fprintf(stderr, "%s: out of memory\n", progname);
368 while ((item = strtok_r(mlp, ",", &ctx))) {
369 if (!in_mntlist(item, mountopts)) {
370 fprintf(stderr, "%s: Error: mandatory mount option"
371 " '%s' is missing\n", progname, item);
380 /* Trim embedded white space, leading and trailing commas from string s.
382 void trim_mountfsoptions(char *s)
388 memmove(p, p + 1, strlen(p + 1) + 1);
395 memmove(&s[0], &s[1], strlen(&s[1]) + 1);
397 p = s + strlen(s) - 1;
398 while (p >= s && *p == ',')
402 #ifdef HAVE_SERVER_SUPPORT
403 /* Setup a file in the first unused loop_device */
404 int loop_setup(struct mkfs_opts *mop)
410 /* Figure out the loop device names */
411 if (!access("/dev/loop0", F_OK | R_OK) ||
412 !access("/dev/loop-control", F_OK | R_OK)) {
413 strcpy(loop_base, "/dev/loop\0");
414 } else if (!access("/dev/loop/0", F_OK | R_OK)) {
415 strcpy(loop_base, "/dev/loop/\0");
417 fprintf(stderr, "%s: can't access loop devices\n", progname);
421 /* Find unused loop device */
422 for (i = 0; i < MAX_LOOP_DEVICES; i++) {
424 int cmdsz = sizeof(cmd);
426 #ifdef HAVE_LOOP_CTL_GET_FREE
427 ret = open("/dev/loop-control", O_RDWR);
429 fprintf(stderr, "%s: can't access loop control\n", progname);
432 /* find or allocate a free loop device to use */
433 i = ioctl(ret, LOOP_CTL_GET_FREE);
436 fprintf(stderr, "%s: access loop control error\n", progname);
439 sprintf(l_device, "%s%d", loop_base, i);
441 sprintf(l_device, "%s%d", loop_base, i);
442 if (access(l_device, F_OK | R_OK))
445 snprintf(cmd, cmdsz, "losetup %s > /dev/null 2>&1", l_device);
448 /* losetup gets 1 (ret=256) for non-set-up device */
450 /* Set up a loopback device to our file */
451 snprintf(cmd, cmdsz, "losetup %s %s", l_device,
453 ret = run_command(cmd, cmdsz);
455 /* someone else picked up this loop device
459 fprintf(stderr, "%s: error %d on losetup: %s\n",
461 ret >= 0 ? strerror(ret) : "");
464 strscpy(mop->mo_loopdev, l_device,
465 sizeof(mop->mo_loopdev));
470 fprintf(stderr, "%s: out of loop devices!\n", progname);
474 int loop_cleanup(struct mkfs_opts *mop)
479 if ((mop->mo_flags & MO_IS_LOOP) && *mop->mo_loopdev) {
482 sprintf(cmd, "losetup -d %s", mop->mo_loopdev);
483 for (tries = 0; tries < 3; tries++) {
484 ret = run_command(cmd, sizeof(cmd));
492 fprintf(stderr, "cannot cleanup %s: rc = %d\n",
493 mop->mo_loopdev, ret);
497 int loop_format(struct mkfs_opts *mop)
501 if (mop->mo_device_kb == 0) {
503 fprintf(stderr, "loop device requires a --device-size= "
508 fd = creat(mop->mo_device, S_IRUSR|S_IWUSR);
511 fprintf(stderr, "%s: Unable to create backing store: %s\n",
512 progname, strerror(errno));
516 if (ftruncate(fd, mop->mo_device_kb * 1024) != 0) {
519 fprintf(stderr, "%s: Unable to truncate backing store: %s\n",
520 progname, strerror(errno));
529 #define DLSYM(prefix, sym, func) \
532 snprintf(_fname, sizeof(_fname), "%s_%s", prefix, #func); \
533 sym->func = (typeof(sym->func))dlsym(sym->dl_handle, _fname); \
535 #endif /* PLUGIN_DIR */
538 * Load plugin for a given mount_type from ${pkglibdir}/mount_osd_FSTYPE.so and
539 * return struct of function pointers (will be freed in unloack_backfs_module).
541 * \param[in] mount_type Mount type to load module for.
542 * \retval Value of backfs_ops struct
543 * \retval NULL if no module exists
545 struct module_backfs_ops *load_backfs_module(enum ldd_mount_type mount_type)
547 struct module_backfs_ops *ops;
549 char *error, filename[512], fsname[512], *name;
552 /* This deals with duplicate ldd_mount_types resolving to same OSD layer
553 * plugin (e.g. ext3/ldiskfs/ldiskfs2 all being ldiskfs) */
554 strncpy(fsname, mt_type(mount_type), sizeof(fsname));
555 name = fsname + sizeof("osd-") - 1;
557 /* change osd- to osd_ */
558 fsname[sizeof("osd-") - 2] = '_';
560 snprintf(filename, sizeof(filename), PLUGIN_DIR"/mount_%s.so", fsname);
562 handle = dlopen(filename, RTLD_LAZY);
564 /* Check for $LUSTRE environment variable from test-framework.
565 * This allows using locally built modules to be used.
567 if (handle == NULL) {
569 dirname = getenv("LUSTRE");
571 snprintf(filename, sizeof(filename),
572 "%s/utils/mount_%s.so",
574 handle = dlopen(filename, RTLD_LAZY);
578 /* Do not clutter up console with missing types */
582 ops = malloc(sizeof(*ops));
588 ops->dl_handle = handle;
589 dlerror(); /* Clear any existing error */
591 DLSYM(name, ops, init);
592 DLSYM(name, ops, fini);
593 DLSYM(name, ops, read_ldd);
594 DLSYM(name, ops, write_ldd);
595 DLSYM(name, ops, erase_ldd);
596 DLSYM(name, ops, print_ldd_params);
597 DLSYM(name, ops, is_lustre);
598 DLSYM(name, ops, make_lustre);
599 DLSYM(name, ops, prepare_lustre);
600 DLSYM(name, ops, tune_lustre);
601 DLSYM(name, ops, label_lustre);
602 DLSYM(name, ops, rename_fsname);
603 DLSYM(name, ops, enable_quota);
608 fprintf(stderr, "%s\n", error);
614 /* optional methods */
615 DLSYM(name, ops, fix_mountopts);
617 switch (mount_type) {
618 #ifdef HAVE_LDISKFS_OSD
622 #endif /* HAVE_LDISKFS_OSD */
627 #endif /* HAVE_ZFS_OSD */
637 * Unload plugin and free backfs_ops structure. Must be called the same number
638 * of times as load_backfs_module is.
640 void unload_backfs_module(struct module_backfs_ops *ops)
646 dlclose(ops->dl_handle);
651 /* Return true if backfs_ops has operations for the given mount_type. */
652 int backfs_mount_type_okay(enum ldd_mount_type mount_type)
654 if (mount_type >= LDD_MT_LAST || mount_type < 0) {
656 fprintf(stderr, "fs type out of range %d\n", mount_type);
659 if (backfs_ops[mount_type] == NULL) {
661 fprintf(stderr, "unhandled/unloaded fs type %d '%s'\n",
662 mount_type, mt_str(mount_type));
668 /* Write the server config files */
669 int osd_write_ldd(struct mkfs_opts *mop)
671 struct lustre_disk_data *ldd = &mop->mo_ldd;
674 if (backfs_mount_type_okay(ldd->ldd_mount_type))
675 ret = backfs_ops[ldd->ldd_mount_type]->write_ldd(mop);
682 /* Read the server config files */
683 int osd_read_ldd(char *dev, struct lustre_disk_data *ldd)
687 if (backfs_mount_type_okay(ldd->ldd_mount_type))
688 ret = backfs_ops[ldd->ldd_mount_type]->read_ldd(dev, ldd);
695 /* Erase param from the server config files */
696 int osd_erase_ldd(struct mkfs_opts *mop, char *param)
698 struct lustre_disk_data *ldd = &mop->mo_ldd;
701 if (backfs_mount_type_okay(ldd->ldd_mount_type))
702 ret = backfs_ops[ldd->ldd_mount_type]->erase_ldd(mop, param);
709 /* Print ldd_params */
710 void osd_print_ldd_params(struct mkfs_opts *mop)
712 struct lustre_disk_data *ldd = &mop->mo_ldd;
714 if (backfs_mount_type_okay(ldd->ldd_mount_type))
715 backfs_ops[ldd->ldd_mount_type]->print_ldd_params(mop);
718 /* Was this device formatted for Lustre */
719 int osd_is_lustre(char *dev, unsigned *mount_type)
723 vprint("checking for existing Lustre data: ");
725 for (i = 0; i < LDD_MT_LAST; ++i) {
726 if (backfs_ops[i] != NULL &&
727 backfs_ops[i]->is_lustre(dev, mount_type)) {
733 vprint("not found\n");
737 /* Build fs according to type */
738 int osd_make_lustre(struct mkfs_opts *mop)
740 struct lustre_disk_data *ldd = &mop->mo_ldd;
743 if (backfs_mount_type_okay(ldd->ldd_mount_type))
744 ret = backfs_ops[ldd->ldd_mount_type]->make_lustre(mop);
751 int osd_prepare_lustre(struct mkfs_opts *mop,
752 char *wanted_mountopts, size_t len)
754 struct lustre_disk_data *ldd = &mop->mo_ldd;
757 if (backfs_mount_type_okay(ldd->ldd_mount_type))
758 ret = backfs_ops[ldd->ldd_mount_type]->prepare_lustre(mop,
759 wanted_mountopts, len);
766 int osd_fix_mountopts(struct mkfs_opts *mop, char *mountopts, size_t len)
768 struct lustre_disk_data *ldd = &mop->mo_ldd;
770 if (!backfs_mount_type_okay(ldd->ldd_mount_type))
773 if (backfs_ops[ldd->ldd_mount_type]->fix_mountopts == NULL)
776 return backfs_ops[ldd->ldd_mount_type]->fix_mountopts(mop, mountopts,
780 int osd_tune_lustre(char *dev, struct mount_opts *mop)
782 struct lustre_disk_data *ldd = &mop->mo_ldd;
785 if (backfs_mount_type_okay(ldd->ldd_mount_type))
786 ret = backfs_ops[ldd->ldd_mount_type]->tune_lustre(dev, mop);
793 int osd_label_lustre(struct mount_opts *mop)
795 struct lustre_disk_data *ldd = &mop->mo_ldd;
798 if (backfs_mount_type_okay(ldd->ldd_mount_type))
799 ret = backfs_ops[ldd->ldd_mount_type]->label_lustre(mop);
806 /* Rename filesystem fsname */
807 int osd_rename_fsname(struct mkfs_opts *mop, const char *oldname)
809 struct lustre_disk_data *ldd = &mop->mo_ldd;
812 if (backfs_mount_type_okay(ldd->ldd_mount_type))
813 ret = backfs_ops[ldd->ldd_mount_type]->rename_fsname(mop,
821 /* Enable quota accounting */
822 int osd_enable_quota(struct mkfs_opts *mop)
824 struct lustre_disk_data *ldd = &mop->mo_ldd;
827 if (backfs_mount_type_okay(ldd->ldd_mount_type))
828 ret = backfs_ops[ldd->ldd_mount_type]->enable_quota(mop);
837 int i, rc, ret = EINVAL;
839 for (i = 0; i < LDD_MT_LAST; ++i) {
841 backfs_ops[i] = load_backfs_module(i);
842 if (backfs_ops[i] != NULL) {
843 rc = backfs_ops[i]->init();
845 backfs_ops[i]->fini();
846 unload_backfs_module(backfs_ops[i]);
847 backfs_ops[i] = NULL;
860 for (i = 0; i < LDD_MT_LAST; ++i) {
861 if (backfs_ops[i] != NULL) {
862 backfs_ops[i]->fini();
863 unload_backfs_module(backfs_ops[i]);
864 backfs_ops[i] = NULL;
869 __u64 get_device_size(char* device)
874 fd = open(device, O_RDONLY);
876 fprintf(stderr, "%s: cannot open %s: %s\n",
877 progname, device, strerror(errno));
882 /* size in bytes. bz5831 */
883 ret = ioctl(fd, BLKGETSIZE64, (void*)&size);
888 ret = ioctl(fd, BLKGETSIZE, (void*)&lsize);
889 size = (__u64)lsize * 512;
894 fprintf(stderr, "%s: size ioctl failed: %s\n",
895 progname, strerror(errno));
899 vprint("device size = %juMB\n", (uintmax_t)(size >> 20));
900 /* return value in KB */
905 int file_create(char *path, __u64 size)
912 * Since "size" is in KB, the file offset it represents could overflow
915 size_max = (off_t)1 << (_FILE_OFFSET_BITS - 1 - 10);
916 if (size >= size_max) {
917 fprintf(stderr, "%s: %ju KB: Backing store size must be "
918 "smaller than %ju KB\n", progname, (uintmax_t) size,
919 (uintmax_t)size_max);
923 ret = access(path, F_OK);
930 fd = creat(path, S_IRUSR|S_IWUSR);
933 fprintf(stderr, "%s: Unable to create backing store: %s\n",
934 progname, strerror(errno));
938 ret = ftruncate(fd, size * 1024);
942 fprintf(stderr, "%s: Unable to truncate backing store: %s\n",
943 progname, strerror(errno));
950 #ifdef HAVE_SERVER_SUPPORT
951 struct lustre_cfg_entry {
952 struct list_head lce_list;
956 static struct lustre_cfg_entry *lustre_cfg_entry_init(const char *name)
958 struct lustre_cfg_entry *lce;
959 int len = strlen(name) + 1;
961 lce = malloc(sizeof(*lce) + len);
963 INIT_LIST_HEAD(&lce->lce_list);
964 memcpy(lce->lce_name, name, len);
970 static void lustre_cfg_entry_fini(struct lustre_cfg_entry *lce)
975 int lustre_rename_fsname(struct mkfs_opts *mop, const char *mntpt,
978 struct lustre_disk_data *ldd = &mop->mo_ldd;
979 struct lr_server_data lsd;
983 struct dirent64 *dirent;
984 struct lustre_cfg_entry *lce;
985 struct list_head cfg_list;
986 int old_namelen = strlen(oldname);
987 int new_namelen = strlen(ldd->ldd_fsname);
991 INIT_LIST_HEAD(&cfg_list);
993 snprintf(filepnm, sizeof(filepnm), "%s/%s", mntpt, LAST_RCVD);
994 fd = open(filepnm, O_RDWR);
1003 fprintf(stderr, "Unable to open %s: %s\n",
1004 filepnm, strerror(ret));
1008 ret = read(fd, &lsd, sizeof(lsd));
1009 if (ret != sizeof(lsd)) {
1012 fprintf(stderr, "Unable to read %s: %s\n",
1013 filepnm, strerror(ret));
1018 ret = lseek(fd, 0, SEEK_SET);
1022 fprintf(stderr, "Unable to lseek %s: %s\n",
1023 filepnm, strerror(ret));
1028 /* replace fsname in lr_server_data::lsd_uuid. */
1029 if (old_namelen > new_namelen)
1030 memmove(lsd.lsd_uuid + new_namelen,
1031 lsd.lsd_uuid + old_namelen,
1032 sizeof(lsd.lsd_uuid) - old_namelen);
1033 else if (old_namelen < new_namelen)
1034 memmove(lsd.lsd_uuid + new_namelen,
1035 lsd.lsd_uuid + old_namelen,
1036 sizeof(lsd.lsd_uuid) - new_namelen);
1037 memcpy(lsd.lsd_uuid, ldd->ldd_fsname, new_namelen);
1038 ret = write(fd, &lsd, sizeof(lsd));
1039 if (ret != sizeof(lsd)) {
1042 fprintf(stderr, "Unable to write %s: %s\n",
1043 filepnm, strerror(ret));
1051 snprintf(cfg_dir, sizeof(cfg_dir), "%s/%s", mntpt, MOUNT_CONFIGS_DIR);
1052 dir = opendir(cfg_dir);
1058 fprintf(stderr, "Unable to opendir %s: %s\n",
1059 cfg_dir, strerror(ret));
1063 while ((dirent = readdir64(dir)) != NULL) {
1066 if (strlen(dirent->d_name) <= old_namelen)
1069 ptr = strrchr(dirent->d_name, '-');
1070 if (!ptr || (ptr - dirent->d_name) != old_namelen)
1073 if (strncmp(dirent->d_name, oldname, old_namelen) != 0)
1076 lce = lustre_cfg_entry_init(dirent->d_name);
1083 fprintf(stderr, "Fail to init item for %s: %s\n",
1084 dirent->d_name, strerror(ret));
1088 list_add(&lce->lce_list, &cfg_list);
1095 while (!list_empty(&cfg_list) && ret == 0) {
1096 lce = list_entry(cfg_list.next, struct lustre_cfg_entry,
1098 list_del(&lce->lce_list);
1099 snprintf(filepnm, sizeof(filepnm), "%s/%s", cfg_dir,
1102 /* Store the new fsname in the XATTR_TARGET_RENAME EA.
1103 * When the MGS start, it will scan config logs, and
1104 * for the ones which have the XATTR_TARGET_RENAME EA,
1105 * it will replace old fsname with the new fsname in
1106 * the config log by some shared kernel level config
1107 * logs {fork,erase} functionalities automatically. */
1108 ret = setxattr(filepnm, XATTR_TARGET_RENAME,
1110 strlen(ldd->ldd_fsname), 0);
1112 ret = unlink(filepnm);
1118 fprintf(stderr, "Fail to %s %s: %s\n",
1119 IS_MGS(ldd) ? "setxattr" : "unlink",
1120 filepnm, strerror(ret));
1123 lustre_cfg_entry_fini(lce);
1130 while (!list_empty(&cfg_list)) {
1131 lce = list_entry(cfg_list.next, struct lustre_cfg_entry,
1133 list_del(&lce->lce_list);
1134 lustre_cfg_entry_fini(lce);
1139 #endif /* HAVE_SERVER_SUPPORT */
1142 #ifdef HAVE_OPENSSL_SSK
1143 int load_shared_keys(struct mount_opts *mop)
1146 struct dirent *dentry;
1148 char fullpath[PATH_MAX];
1149 char *path = mop->mo_skpath;
1153 sk_init_logging(NULL, 1, 1);
1155 rc = stat(path, &sbuf);
1157 fprintf(stderr, "stat() failed for key %s: %s\n", path,
1162 /* Load individual keys or a directory of them */
1163 if (S_ISREG(sbuf.st_mode)) {
1164 return sk_load_keyfile(path);
1165 } else if (!S_ISDIR(sbuf.st_mode)) {
1166 fprintf(stderr, "Invalid shared key path: %s\n", path);
1170 dir = opendir(path);
1172 fprintf(stderr, "Unable to open shared key directory: %s\n",
1177 /* Loop through the files in the directory attempting to load them.
1178 * Any issue with loading the keyfile is treated as an error although
1179 * the loop continues until all files have been attempted. This will
1180 * allow all errors be reported at once rather then requiring
1181 * incremental corrections to fix each one and try again. */
1182 while ((dentry = readdir(dir)) != NULL) {
1183 if (strcmp(".", dentry->d_name) == 0 ||
1184 strcmp("..", dentry->d_name) == 0)
1187 rc = snprintf(fullpath, PATH_MAX, "%s/%s", path,
1189 if (rc >= PATH_MAX) {
1190 fprintf(stderr, "Path too long for %s/%s\n",
1191 path, dentry->d_name);
1196 rc = stat(fullpath, &sbuf);
1198 fprintf(stderr, "Unable to stat %s: %s\n", fullpath,
1204 if (!S_ISREG(sbuf.st_mode))
1207 rc = sk_load_keyfile(fullpath);
1209 fprintf(stderr, "Failed to load key %s\n", fullpath);
1216 #endif /* HAVE_OPENSSL_SSK */
1217 #endif /* HAVE_GSS */