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/
34 #endif /* HAVE_CONFIG_H */
44 #include <linux/lustre/lustre_ver.h>
45 #include <sys/mount.h>
47 #include <sys/utsname.h>
48 #include <linux/loop.h>
49 #include <sys/types.h>
52 #include <linux/lustre/lustre_cfg.h>
54 #include <sys/types.h>
55 #include <sys/xattr.h>
59 #include <lustre/utils/gss/sk_utils.h>
62 #include "mount_utils.h"
64 #define vprint(fmt, arg...) if (verbose > 0) printf(fmt, ##arg)
65 #define verrprint(fmt, arg...) if (verbose >= 0) fprintf(stderr, fmt, ##arg)
67 #ifdef HAVE_SERVER_SUPPORT
68 static struct module_backfs_ops *backfs_ops[LDD_MT_LAST];
74 fprintf(stderr, "\n%s FATAL: ", progname);
77 int run_command(char *cmd, int cmdsz)
79 char log[] = "/tmp/run_command_logXXXXXX";
82 if ((cmdsz - strlen(cmd)) < 6) {
84 fprintf(stderr, "Command buffer overflow: %.*s...\n",
90 printf("cmd: %s\n", cmd);
92 if ((fd = mkstemp(log)) >= 0) {
100 /* Can't use popen because we need the rv of the command */
102 if (rc && (fd >= 0)) {
106 fp = fopen(log, "r");
108 while (fgets(buf, sizeof(buf), fp))
118 #ifdef HAVE_SERVER_SUPPORT
119 int add_param(char *buf, char *key, char *val)
121 int end = sizeof(((struct lustre_disk_data *)0)->ldd_params);
122 int start = strlen(buf);
126 keylen = strlen(key);
127 if (start + 1 + keylen + strlen(val) >= end) {
128 fprintf(stderr, "%s: params are too long-\n%s %s%s\n",
129 progname, buf, key ? key : "", val);
133 sprintf(buf + start, " %s%s", key ? key : "", val);
137 int get_param(char *buf, char *key, char **val)
139 int i, key_len = strlen(key);
142 ptr = strstr(buf, key);
144 *val = strdup(ptr + key_len);
148 for (i = 0; i < strlen(*val); i++)
149 if (((*val)[i] == ' ') || ((*val)[i] == '\0'))
159 int append_param(char *buf, char *key, char *val, char sep)
161 int key_len, i, offset, old_val_len;
162 char *ptr = NULL, str[1024];
165 ptr = strstr(buf, key);
167 /* key doesn't exist yet, so just add it */
169 return add_param(buf, key, val);
171 key_len = strlen(key);
173 /* Copy previous values to str */
174 for (i = 0; i < sizeof(str); ++i) {
175 if ((ptr[i + key_len] == ' ') || (ptr[i + key_len] == '\0'))
177 str[i] = ptr[i + key_len];
179 if (i == sizeof(str))
183 offset = old_val_len + key_len;
185 /* Move rest of buf to overwrite previous key and value */
186 for (i = 0; ptr[i + offset] != '\0'; ++i)
187 ptr[i] = ptr[i + offset];
191 snprintf(str + old_val_len, sizeof(str) - old_val_len,
194 return add_param(buf, key, str);
198 char *strscat(char *dst, char *src, int buflen)
201 if (strlen(dst) + strlen(src) >= buflen) {
203 "string buffer overflow (max %d): '%s' + '%s'\n",
207 return strcat(dst, src);
210 char *strscpy(char *dst, char *src, int buflen)
213 return strscat(dst, src, buflen);
216 int check_mtab_entry(char *spec1, char *spec2, char *mtpt, char *type)
221 fp = setmntent(MOUNTED, "r");
225 while ((mnt = getmntent(fp)) != NULL) {
226 if ((strcmp(mnt->mnt_fsname, spec1) == 0 ||
227 strcmp(mnt->mnt_fsname, spec2) == 0) &&
228 (!mtpt || strcmp(mnt->mnt_dir, mtpt) == 0) &&
229 (!type || strcmp(mnt->mnt_type, type) == 0)) {
240 #include <linux/magic.h>
242 static int mtab_is_proc(const char *mtab)
246 if (statfs(mtab, &s) < 0)
249 return (s.f_type == PROC_SUPER_MAGIC);
254 # include <libmount/libmount.h>
257 * The libmount is part of util-linux since 2.18.
258 * We use it to update utab to avoid umount would
259 * blocked in some rare case.
261 int update_utab_entry(struct mount_opts *mop)
263 struct libmnt_fs *fs = mnt_new_fs();
264 struct libmnt_update *upd;
267 mnt_fs_set_source(fs, mop->mo_source);
268 mnt_fs_set_target(fs, mop->mo_target);
269 mnt_fs_set_fstype(fs, "lustre");
270 mnt_fs_set_attributes(fs, "lustre");
272 upd = mnt_new_update();
276 rc = mnt_update_set_fs(upd, mop->mo_nomtab ? MS_REMOUNT : 0, NULL, fs);
277 if (rc == 1) /* update is unnecessary */
281 "error: failed to save utab entry: rc = %d\n", rc);
283 rc = mnt_update_table(upd, NULL);
286 mnt_free_update(upd);
292 int update_utab_entry(struct mount_opts *mop)
296 #endif /* HAVE_LIBMOUNT */
298 int update_mtab_entry(char *spec, char *mtpt, char *type, char *opts,
299 int flags, int freq, int pass)
305 /* Don't update mtab if it is linked to any file in /proc direcotry.*/
306 if (mtab_is_proc(MOUNTED))
309 mnt.mnt_fsname = spec;
312 mnt.mnt_opts = opts ? opts : "";
314 mnt.mnt_passno = pass;
316 fp = setmntent(MOUNTED, "a+");
318 fprintf(stderr, "%s: setmntent(%s): %s\n",
319 progname, MOUNTED, strerror(errno));
322 if ((addmntent(fp, &mnt)) == 1) {
323 fprintf(stderr, "%s: addmntent: %s\n",
324 progname, strerror(errno));
333 /* Search for opt in mntlist, returning true if found.
335 static int in_mntlist(char *opt, char *mntlist)
337 char *ml, *mlp, *item, *ctx = NULL;
339 if (!(ml = strdup(mntlist))) {
340 fprintf(stderr, "%s: out of memory\n", progname);
344 while ((item = strtok_r(mlp, ",", &ctx))) {
345 if (!strcmp(opt, item))
350 return (item != NULL);
353 /* Issue a message on stderr for every item in wanted_mountopts that is not
354 * present in mountopts. The justwarn boolean toggles between error and
355 * warning message. Return an error count.
357 int check_mountfsoptions(char *mountopts, char *wanted_mountopts)
359 char *ml, *mlp, *item, *ctx = NULL;
362 if (!(ml = strdup(wanted_mountopts))) {
363 fprintf(stderr, "%s: out of memory\n", progname);
367 while ((item = strtok_r(mlp, ",", &ctx))) {
368 if (!in_mntlist(item, mountopts)) {
369 fprintf(stderr, "%s: Error: mandatory mount option"
370 " '%s' is missing\n", progname, item);
379 /* Trim embedded white space, leading and trailing commas from string s.
381 void trim_mountfsoptions(char *s)
387 memmove(p, p + 1, strlen(p + 1) + 1);
394 memmove(&s[0], &s[1], strlen(&s[1]) + 1);
396 p = s + strlen(s) - 1;
397 while (p >= s && *p == ',')
401 #ifdef HAVE_SERVER_SUPPORT
402 /* Setup a file in the first unused loop_device */
403 int loop_setup(struct mkfs_opts *mop)
409 /* Figure out the loop device names */
410 if (!access("/dev/loop0", F_OK | R_OK) ||
411 !access("/dev/loop-control", F_OK | R_OK)) {
412 strcpy(loop_base, "/dev/loop\0");
413 } else if (!access("/dev/loop/0", F_OK | R_OK)) {
414 strcpy(loop_base, "/dev/loop/\0");
416 fprintf(stderr, "%s: can't access loop devices\n", progname);
420 /* Find unused loop device */
421 for (i = 0; i < MAX_LOOP_DEVICES; i++) {
423 int cmdsz = sizeof(cmd);
425 ret = open("/dev/loop-control", O_RDWR);
427 fprintf(stderr, "%s: can't access loop control\n",
431 /* find or allocate a free loop device to use */
432 i = ioctl(ret, LOOP_CTL_GET_FREE);
435 fprintf(stderr, "%s: access loop control error\n",
439 sprintf(l_device, "%s%d", loop_base, i);
441 snprintf(cmd, cmdsz, "losetup %s > /dev/null 2>&1", l_device);
444 /* losetup gets 1 (ret=256) for non-set-up device */
446 /* Set up a loopback device to our file */
447 snprintf(cmd, cmdsz, "losetup %s %s", l_device,
449 ret = run_command(cmd, cmdsz);
452 * someone else picked up this loop device
457 fprintf(stderr, "%s: error %d on losetup: %s\n",
459 ret >= 0 ? strerror(ret) : "");
462 strscpy(mop->mo_loopdev, l_device,
463 sizeof(mop->mo_loopdev));
468 fprintf(stderr, "%s: out of loop devices!\n", progname);
472 int loop_cleanup(struct mkfs_opts *mop)
477 if ((mop->mo_flags & MO_IS_LOOP) && *mop->mo_loopdev) {
480 sprintf(cmd, "losetup -d %s", mop->mo_loopdev);
481 for (tries = 0; tries < 3; tries++) {
482 ret = run_command(cmd, sizeof(cmd));
490 fprintf(stderr, "cannot cleanup %s: rc = %d\n",
491 mop->mo_loopdev, ret);
495 int loop_format(struct mkfs_opts *mop)
499 if (mop->mo_device_kb == 0) {
502 "loop device requires a --device-size= param\n");
506 fd = creat(mop->mo_device, 0600);
509 fprintf(stderr, "%s: Unable to create backing store: %s\n",
510 progname, strerror(errno));
514 if (ftruncate(fd, mop->mo_device_kb * 1024) != 0) {
517 fprintf(stderr, "%s: Unable to truncate backing store: %s\n",
518 progname, strerror(errno));
527 #define DLSYM(prefix, sym, func) \
529 char _fname[PATH_MAX]; \
530 snprintf(_fname, sizeof(_fname), "%s_%s", prefix, #func); \
531 sym->func = (typeof(sym->func))dlsym(sym->dl_handle, _fname); \
533 #endif /* PLUGIN_DIR */
536 * Load plugin for a given mount_type from ${pkglibdir}/mount_osd_FSTYPE.so and
537 * return struct of function pointers (will be freed in unloack_backfs_module).
539 * \param[in] mount_type Mount type to load module for.
540 * \retval Value of backfs_ops struct
541 * \retval NULL if no module exists
543 struct module_backfs_ops *load_backfs_module(enum ldd_mount_type mount_type)
545 struct module_backfs_ops *ops;
547 char *error, filename[PATH_MAX], fsname[512], *name;
551 * This deals with duplicate ldd_mount_types resolving to same OSD layer
552 * 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);
565 * Check for $LUSTRE environment variable from test-framework.
566 * This allows using locally built modules to be used.
571 dirname = getenv("LUSTRE");
573 snprintf(filename, sizeof(filename),
574 "%s/utils/mount_%s.so",
576 handle = dlopen(filename, RTLD_LAZY);
580 /* Do not clutter up console with missing types */
584 ops = malloc(sizeof(*ops));
590 ops->dl_handle = handle;
591 dlerror(); /* Clear any existing error */
593 DLSYM(name, ops, init);
594 DLSYM(name, ops, fini);
595 DLSYM(name, ops, read_ldd);
596 DLSYM(name, ops, write_ldd);
597 DLSYM(name, ops, erase_ldd);
598 DLSYM(name, ops, print_ldd_params);
599 DLSYM(name, ops, is_lustre);
600 DLSYM(name, ops, make_lustre);
601 DLSYM(name, ops, prepare_lustre);
602 DLSYM(name, ops, tune_lustre);
603 DLSYM(name, ops, label_lustre);
604 DLSYM(name, ops, rename_fsname);
605 DLSYM(name, ops, enable_quota);
610 fprintf(stderr, "%s\n", error);
616 /* optional methods */
617 DLSYM(name, ops, fix_mountopts);
619 switch (mount_type) {
620 #ifdef HAVE_LDISKFS_OSD
624 #endif /* HAVE_LDISKFS_OSD */
629 #endif /* HAVE_ZFS_OSD */
639 * Unload plugin and free backfs_ops structure. Must be called the same number
640 * of times as load_backfs_module is.
642 void unload_backfs_module(struct module_backfs_ops *ops)
648 dlclose(ops->dl_handle);
653 /* Return true if backfs_ops has operations for the given mount_type. */
654 int backfs_mount_type_okay(enum ldd_mount_type mount_type)
656 if (mount_type >= LDD_MT_LAST || mount_type < 0) {
658 fprintf(stderr, "fs type out of range %d\n", mount_type);
661 if (!backfs_ops[mount_type]) {
663 fprintf(stderr, "unhandled/unloaded fs type %d '%s'\n",
664 mount_type, mt_str(mount_type));
670 /* Write the server config files */
671 int osd_write_ldd(struct mkfs_opts *mop)
673 struct lustre_disk_data *ldd = &mop->mo_ldd;
676 if (backfs_mount_type_okay(ldd->ldd_mount_type))
677 ret = backfs_ops[ldd->ldd_mount_type]->write_ldd(mop);
684 /* Read the server config files */
685 int osd_read_ldd(char *dev, struct lustre_disk_data *ldd)
689 if (backfs_mount_type_okay(ldd->ldd_mount_type))
690 ret = backfs_ops[ldd->ldd_mount_type]->read_ldd(dev, ldd);
697 /* Erase param from the server config files */
698 int osd_erase_ldd(struct mkfs_opts *mop, char *param)
700 struct lustre_disk_data *ldd = &mop->mo_ldd;
703 if (backfs_mount_type_okay(ldd->ldd_mount_type))
704 ret = backfs_ops[ldd->ldd_mount_type]->erase_ldd(mop, param);
711 /* Print ldd_params */
712 void osd_print_ldd_params(struct mkfs_opts *mop)
714 struct lustre_disk_data *ldd = &mop->mo_ldd;
716 if (backfs_mount_type_okay(ldd->ldd_mount_type))
717 backfs_ops[ldd->ldd_mount_type]->print_ldd_params(mop);
720 /* Was this device formatted for Lustre */
721 int osd_is_lustre(char *dev, unsigned int *mount_type)
725 vprint("checking for existing Lustre data: ");
727 for (i = 0; i < LDD_MT_LAST; ++i) {
729 backfs_ops[i]->is_lustre(dev, mount_type)) {
735 vprint("not found\n");
739 /* Build fs according to type */
740 int osd_make_lustre(struct mkfs_opts *mop)
742 struct lustre_disk_data *ldd = &mop->mo_ldd;
745 if (backfs_mount_type_okay(ldd->ldd_mount_type))
746 ret = backfs_ops[ldd->ldd_mount_type]->make_lustre(mop);
753 int osd_prepare_lustre(struct mkfs_opts *mop,
754 char *wanted_mountopts, size_t len)
756 struct lustre_disk_data *ldd = &mop->mo_ldd;
759 if (backfs_mount_type_okay(ldd->ldd_mount_type))
760 ret = backfs_ops[ldd->ldd_mount_type]->prepare_lustre(mop,
761 wanted_mountopts, len);
768 int osd_fix_mountopts(struct mkfs_opts *mop, char *mountopts, size_t len)
770 struct lustre_disk_data *ldd = &mop->mo_ldd;
772 if (!backfs_mount_type_okay(ldd->ldd_mount_type))
775 if (!backfs_ops[ldd->ldd_mount_type]->fix_mountopts)
778 return backfs_ops[ldd->ldd_mount_type]->fix_mountopts(mop, mountopts,
782 int osd_tune_lustre(char *dev, struct mount_opts *mop)
784 struct lustre_disk_data *ldd = &mop->mo_ldd;
787 if (backfs_mount_type_okay(ldd->ldd_mount_type))
788 ret = backfs_ops[ldd->ldd_mount_type]->tune_lustre(dev, mop);
795 int osd_label_lustre(struct mount_opts *mop)
797 struct lustre_disk_data *ldd = &mop->mo_ldd;
800 if (backfs_mount_type_okay(ldd->ldd_mount_type))
801 ret = backfs_ops[ldd->ldd_mount_type]->label_lustre(mop);
808 /* Rename filesystem fsname */
809 int osd_rename_fsname(struct mkfs_opts *mop, const char *oldname)
811 struct lustre_disk_data *ldd = &mop->mo_ldd;
814 if (backfs_mount_type_okay(ldd->ldd_mount_type))
815 ret = backfs_ops[ldd->ldd_mount_type]->rename_fsname(mop,
823 /* Enable quota accounting */
824 int osd_enable_quota(struct mkfs_opts *mop)
826 struct lustre_disk_data *ldd = &mop->mo_ldd;
829 if (backfs_mount_type_okay(ldd->ldd_mount_type))
830 ret = backfs_ops[ldd->ldd_mount_type]->enable_quota(mop);
839 int i, rc, ret = EINVAL;
841 for (i = 0; i < LDD_MT_LAST; ++i) {
843 backfs_ops[i] = load_backfs_module(i);
845 rc = backfs_ops[i]->init();
847 backfs_ops[i]->fini();
848 unload_backfs_module(backfs_ops[i]);
849 backfs_ops[i] = NULL;
863 for (i = 0; i < LDD_MT_LAST; ++i) {
865 backfs_ops[i]->fini();
866 unload_backfs_module(backfs_ops[i]);
867 backfs_ops[i] = NULL;
872 __u64 get_device_size(char *device)
877 fd = open(device, O_RDONLY);
879 fprintf(stderr, "%s: cannot open %s: %s\n",
880 progname, device, strerror(errno));
885 /* size in bytes. bz5831 */
886 ret = ioctl(fd, BLKGETSIZE64, (void *)&size);
891 ret = ioctl(fd, BLKGETSIZE, (void *)&lsize);
892 size = (__u64)lsize * 512;
897 fprintf(stderr, "%s: size ioctl failed: %s\n",
898 progname, strerror(errno));
902 vprint("device size = %juMB\n", (uintmax_t)(size >> 20));
903 /* return value in KB */
908 int file_create(char *path, __u64 size)
915 * Since "size" is in KB, the file offset it represents could overflow
918 size_max = (off_t)1 << (_FILE_OFFSET_BITS - 1 - 10);
919 if (size >= size_max) {
921 "%s: %ju KB: Backing store size must be smaller than %ju KB\n",
922 progname, (uintmax_t)size, (uintmax_t)size_max);
926 ret = access(path, F_OK);
933 fd = creat(path, 0600);
936 fprintf(stderr, "%s: Unable to create backing store: %s\n",
937 progname, strerror(errno));
941 ret = ftruncate(fd, size * 1024);
945 fprintf(stderr, "%s: Unable to truncate backing store: %s\n",
946 progname, strerror(errno));
953 #ifdef HAVE_SERVER_SUPPORT
954 struct lustre_cfg_entry {
955 struct list_head lce_list;
959 static struct lustre_cfg_entry *lustre_cfg_entry_init(const char *name)
961 struct lustre_cfg_entry *lce;
962 int len = strlen(name) + 1;
964 lce = malloc(sizeof(*lce) + len);
966 INIT_LIST_HEAD(&lce->lce_list);
967 memcpy(lce->lce_name, name, len);
973 static void lustre_cfg_entry_fini(struct lustre_cfg_entry *lce)
978 int lustre_rename_fsname(struct mkfs_opts *mop, const char *mntpt,
981 struct lustre_disk_data *ldd = &mop->mo_ldd;
982 struct lr_server_data lsd;
986 struct dirent64 *dirent;
987 struct lustre_cfg_entry *lce;
988 struct list_head cfg_list;
989 int old_namelen = strlen(oldname);
990 int new_namelen = strlen(ldd->ldd_fsname);
994 INIT_LIST_HEAD(&cfg_list);
996 snprintf(filepnm, sizeof(filepnm), "%s/%s", mntpt, LAST_RCVD);
997 fd = open(filepnm, O_RDWR);
1006 fprintf(stderr, "Unable to open %s: %s\n",
1007 filepnm, strerror(ret));
1011 ret = read(fd, &lsd, sizeof(lsd));
1012 if (ret != sizeof(lsd)) {
1015 fprintf(stderr, "Unable to read %s: %s\n",
1016 filepnm, strerror(ret));
1021 ret = lseek(fd, 0, SEEK_SET);
1025 fprintf(stderr, "Unable to lseek %s: %s\n",
1026 filepnm, strerror(ret));
1031 /* replace fsname in lr_server_data::lsd_uuid. */
1032 if (old_namelen > new_namelen)
1033 memmove(lsd.lsd_uuid + new_namelen,
1034 lsd.lsd_uuid + old_namelen,
1035 sizeof(lsd.lsd_uuid) - old_namelen);
1036 else if (old_namelen < new_namelen)
1037 memmove(lsd.lsd_uuid + new_namelen,
1038 lsd.lsd_uuid + old_namelen,
1039 sizeof(lsd.lsd_uuid) - new_namelen);
1040 memcpy(lsd.lsd_uuid, ldd->ldd_fsname, new_namelen);
1041 ret = write(fd, &lsd, sizeof(lsd));
1042 if (ret != sizeof(lsd)) {
1045 fprintf(stderr, "Unable to write %s: %s\n",
1046 filepnm, strerror(ret));
1054 snprintf(cfg_dir, sizeof(cfg_dir), "%s/%s", mntpt, MOUNT_CONFIGS_DIR);
1055 dir = opendir(cfg_dir);
1061 fprintf(stderr, "Unable to opendir %s: %s\n",
1062 cfg_dir, strerror(ret));
1066 while ((dirent = readdir64(dir)) != NULL) {
1069 if (strlen(dirent->d_name) <= old_namelen)
1072 ptr = strrchr(dirent->d_name, '-');
1073 if (!ptr || (ptr - dirent->d_name) != old_namelen)
1076 if (strncmp(dirent->d_name, oldname, old_namelen) != 0)
1079 lce = lustre_cfg_entry_init(dirent->d_name);
1086 fprintf(stderr, "Fail to init item for %s: %s\n",
1087 dirent->d_name, strerror(ret));
1091 list_add(&lce->lce_list, &cfg_list);
1098 while (!list_empty(&cfg_list) && ret == 0) {
1099 lce = list_entry(cfg_list.next, struct lustre_cfg_entry,
1101 list_del(&lce->lce_list);
1102 snprintf(filepnm, sizeof(filepnm), "%s/%s", cfg_dir,
1106 * Store the new fsname in the XATTR_TARGET_RENAME EA.
1107 * When the MGS start, it will scan config logs, and
1108 * for the ones which have the XATTR_TARGET_RENAME EA,
1109 * it will replace old fsname with the new fsname in
1110 * the config log by some shared kernel level config
1111 * logs {fork,erase} functionalities automatically.
1113 ret = setxattr(filepnm, XATTR_TARGET_RENAME,
1115 strlen(ldd->ldd_fsname), 0);
1117 ret = unlink(filepnm);
1123 fprintf(stderr, "Fail to %s %s: %s\n",
1124 IS_MGS(ldd) ? "setxattr" : "unlink",
1125 filepnm, strerror(ret));
1128 lustre_cfg_entry_fini(lce);
1135 while (!list_empty(&cfg_list)) {
1136 lce = list_entry(cfg_list.next, struct lustre_cfg_entry,
1138 list_del(&lce->lce_list);
1139 lustre_cfg_entry_fini(lce);
1144 #endif /* HAVE_SERVER_SUPPORT */
1147 #ifdef HAVE_OPENSSL_SSK
1148 int load_shared_keys(struct mount_opts *mop)
1151 struct dirent *dentry;
1153 char fullpath[PATH_MAX];
1154 char *path = mop->mo_skpath;
1158 sk_init_logging(NULL, 1, 1);
1160 rc = stat(path, &sbuf);
1162 fprintf(stderr, "stat() failed for key %s: %s\n", path,
1167 /* Load individual keys or a directory of them */
1168 if (S_ISREG(sbuf.st_mode)) {
1169 return sk_load_keyfile(path);
1170 } else if (!S_ISDIR(sbuf.st_mode)) {
1171 fprintf(stderr, "Invalid shared key path: %s\n", path);
1175 dir = opendir(path);
1177 fprintf(stderr, "Unable to open shared key directory: %s\n",
1183 * Loop through the files in the directory attempting to load them.
1184 * Any issue with loading the keyfile is treated as an error although
1185 * the loop continues until all files have been attempted. This will
1186 * allow all errors be reported at once rather then requiring
1187 * incremental corrections to fix each one and try again.
1189 while ((dentry = readdir(dir)) != NULL) {
1190 if (strcmp(".", dentry->d_name) == 0 ||
1191 strcmp("..", dentry->d_name) == 0)
1194 rc = snprintf(fullpath, PATH_MAX, "%s/%s", path,
1196 if (rc >= PATH_MAX) {
1197 fprintf(stderr, "Path too long for %s/%s\n",
1198 path, dentry->d_name);
1203 rc = stat(fullpath, &sbuf);
1205 fprintf(stderr, "Unable to stat %s: %s\n", fullpath,
1211 if (!S_ISREG(sbuf.st_mode))
1214 rc = sk_load_keyfile(fullpath);
1216 fprintf(stderr, "Failed to load key %s\n", fullpath);
1222 #endif /* HAVE_OPENSSL_SSK */
1223 #endif /* HAVE_GSS */