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 #define vprint(fmt, arg...) if (verbose > 0) printf(fmt, ##arg)
66 #define verrprint(fmt, arg...) if (verbose >= 0) fprintf(stderr, fmt, ##arg)
68 #ifdef HAVE_SERVER_SUPPORT
69 static struct module_backfs_ops *backfs_ops[LDD_MT_LAST];
75 fprintf(stderr, "\n%s FATAL: ", progname);
78 int run_command(char *cmd, int cmdsz)
80 char log[] = "/tmp/run_command_logXXXXXX";
83 if ((cmdsz - strlen(cmd)) < 6) {
85 fprintf(stderr, "Command buffer overflow: %.*s...\n",
91 printf("cmd: %s\n", cmd);
93 if ((fd = mkstemp(log)) >= 0) {
101 /* Can't use popen because we need the rv of the command */
103 if (rc && (fd >= 0)) {
107 fp = fopen(log, "r");
109 while (fgets(buf, sizeof(buf), fp))
119 #ifdef HAVE_SERVER_SUPPORT
120 int add_param(char *buf, char *key, char *val)
122 int end = sizeof(((struct lustre_disk_data *)0)->ldd_params);
123 int start = strlen(buf);
127 keylen = strlen(key);
128 if (start + 1 + keylen + strlen(val) >= end) {
129 fprintf(stderr, "%s: params are too long-\n%s %s%s\n",
130 progname, buf, key ? key : "", val);
134 sprintf(buf + start, " %s%s", key ? key : "", val);
138 int get_param(char *buf, char *key, char **val)
140 int i, key_len = strlen(key);
143 ptr = strstr(buf, key);
145 *val = strdup(ptr + key_len);
149 for (i = 0; i < strlen(*val); i++)
150 if (((*val)[i] == ' ') || ((*val)[i] == '\0'))
160 int append_param(char *buf, char *key, char *val, char sep)
162 int key_len, i, offset, old_val_len;
163 char *ptr = NULL, str[1024];
166 ptr = strstr(buf, key);
168 /* key doesn't exist yet, so just add it */
170 return add_param(buf, key, val);
172 key_len = strlen(key);
174 /* Copy previous values to str */
175 for (i = 0; i < sizeof(str); ++i) {
176 if ((ptr[i + key_len] == ' ') || (ptr[i + key_len] == '\0'))
178 str[i] = ptr[i + key_len];
180 if (i == sizeof(str))
184 offset = old_val_len + key_len;
186 /* Move rest of buf to overwrite previous key and value */
187 for (i = 0; ptr[i + offset] != '\0'; ++i)
188 ptr[i] = ptr[i + offset];
192 snprintf(str + old_val_len, sizeof(str) - old_val_len,
195 return add_param(buf, key, str);
199 char *strscat(char *dst, char *src, int buflen)
202 if (strlen(dst) + strlen(src) >= buflen) {
204 "string buffer overflow (max %d): '%s' + '%s'\n",
208 return strcat(dst, src);
211 char *strscpy(char *dst, char *src, int buflen)
214 return strscat(dst, src, buflen);
217 int check_mtab_entry(char *spec1, char *spec2, char *mtpt, char *type)
222 fp = setmntent(MOUNTED, "r");
226 while ((mnt = getmntent(fp)) != NULL) {
227 if ((strcmp(mnt->mnt_fsname, spec1) == 0 ||
228 strcmp(mnt->mnt_fsname, spec2) == 0) &&
229 (!mtpt || strcmp(mnt->mnt_dir, mtpt) == 0) &&
230 (!type || strcmp(mnt->mnt_type, type) == 0)) {
241 #include <linux/magic.h>
243 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 ret = open("/dev/loop-control", O_RDWR);
428 fprintf(stderr, "%s: can't access loop control\n",
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",
440 sprintf(l_device, "%s%d", loop_base, i);
442 snprintf(cmd, cmdsz, "losetup %s > /dev/null 2>&1", l_device);
445 /* losetup gets 1 (ret=256) for non-set-up device */
447 /* Set up a loopback device to our file */
448 snprintf(cmd, cmdsz, "losetup %s %s", l_device,
450 ret = run_command(cmd, cmdsz);
453 * someone else picked up this loop device
458 fprintf(stderr, "%s: error %d on losetup: %s\n",
460 ret >= 0 ? strerror(ret) : "");
463 strscpy(mop->mo_loopdev, l_device,
464 sizeof(mop->mo_loopdev));
469 fprintf(stderr, "%s: out of loop devices!\n", progname);
473 int loop_cleanup(struct mkfs_opts *mop)
478 if ((mop->mo_flags & MO_IS_LOOP) && *mop->mo_loopdev) {
481 sprintf(cmd, "losetup -d %s", mop->mo_loopdev);
482 for (tries = 0; tries < 3; tries++) {
483 ret = run_command(cmd, sizeof(cmd));
491 fprintf(stderr, "cannot cleanup %s: rc = %d\n",
492 mop->mo_loopdev, ret);
496 int loop_format(struct mkfs_opts *mop)
500 if (mop->mo_device_kb == 0) {
503 "loop device requires a --device-size= param\n");
507 fd = creat(mop->mo_device, 0600);
510 fprintf(stderr, "%s: Unable to create backing store: %s\n",
511 progname, strerror(errno));
515 if (ftruncate(fd, mop->mo_device_kb * 1024) != 0) {
518 fprintf(stderr, "%s: Unable to truncate backing store: %s\n",
519 progname, strerror(errno));
528 #define DLSYM(prefix, sym, func) \
531 snprintf(_fname, sizeof(_fname), "%s_%s", prefix, #func); \
532 sym->func = (typeof(sym->func))dlsym(sym->dl_handle, _fname); \
534 #endif /* PLUGIN_DIR */
537 * Load plugin for a given mount_type from ${pkglibdir}/mount_osd_FSTYPE.so and
538 * return struct of function pointers (will be freed in unloack_backfs_module).
540 * \param[in] mount_type Mount type to load module for.
541 * \retval Value of backfs_ops struct
542 * \retval NULL if no module exists
544 struct module_backfs_ops *load_backfs_module(enum ldd_mount_type mount_type)
546 struct module_backfs_ops *ops;
548 char *error, filename[PATH_MAX], 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)
555 strncpy(fsname, mt_type(mount_type), sizeof(fsname));
556 name = fsname + sizeof("osd-") - 1;
558 /* change osd- to osd_ */
559 fsname[sizeof("osd-") - 2] = '_';
561 snprintf(filename, sizeof(filename), PLUGIN_DIR"/mount_%s.so", fsname);
563 handle = dlopen(filename, RTLD_LAZY);
566 * Check for $LUSTRE environment variable from test-framework.
567 * This allows using locally built modules to be used.
572 dirname = getenv("LUSTRE");
574 snprintf(filename, sizeof(filename),
575 "%s/utils/mount_%s.so",
577 handle = dlopen(filename, RTLD_LAZY);
581 /* Do not clutter up console with missing types */
585 ops = malloc(sizeof(*ops));
591 ops->dl_handle = handle;
592 dlerror(); /* Clear any existing error */
594 DLSYM(name, ops, init);
595 DLSYM(name, ops, fini);
596 DLSYM(name, ops, read_ldd);
597 DLSYM(name, ops, write_ldd);
598 DLSYM(name, ops, erase_ldd);
599 DLSYM(name, ops, print_ldd_params);
600 DLSYM(name, ops, is_lustre);
601 DLSYM(name, ops, make_lustre);
602 DLSYM(name, ops, prepare_lustre);
603 DLSYM(name, ops, tune_lustre);
604 DLSYM(name, ops, label_lustre);
605 DLSYM(name, ops, rename_fsname);
606 DLSYM(name, ops, enable_quota);
611 fprintf(stderr, "%s\n", error);
617 /* optional methods */
618 DLSYM(name, ops, fix_mountopts);
620 switch (mount_type) {
621 #ifdef HAVE_LDISKFS_OSD
625 #endif /* HAVE_LDISKFS_OSD */
630 #endif /* HAVE_ZFS_OSD */
640 * Unload plugin and free backfs_ops structure. Must be called the same number
641 * of times as load_backfs_module is.
643 void unload_backfs_module(struct module_backfs_ops *ops)
649 dlclose(ops->dl_handle);
654 /* Return true if backfs_ops has operations for the given mount_type. */
655 int backfs_mount_type_okay(enum ldd_mount_type mount_type)
657 if (mount_type >= LDD_MT_LAST || mount_type < 0) {
659 fprintf(stderr, "fs type out of range %d\n", mount_type);
662 if (!backfs_ops[mount_type]) {
664 fprintf(stderr, "unhandled/unloaded fs type %d '%s'\n",
665 mount_type, mt_str(mount_type));
671 /* Write the server config files */
672 int osd_write_ldd(struct mkfs_opts *mop)
674 struct lustre_disk_data *ldd = &mop->mo_ldd;
677 if (backfs_mount_type_okay(ldd->ldd_mount_type))
678 ret = backfs_ops[ldd->ldd_mount_type]->write_ldd(mop);
685 /* Read the server config files */
686 int osd_read_ldd(char *dev, struct lustre_disk_data *ldd)
690 if (backfs_mount_type_okay(ldd->ldd_mount_type))
691 ret = backfs_ops[ldd->ldd_mount_type]->read_ldd(dev, ldd);
698 /* Erase param from the server config files */
699 int osd_erase_ldd(struct mkfs_opts *mop, char *param)
701 struct lustre_disk_data *ldd = &mop->mo_ldd;
704 if (backfs_mount_type_okay(ldd->ldd_mount_type))
705 ret = backfs_ops[ldd->ldd_mount_type]->erase_ldd(mop, param);
712 /* Print ldd_params */
713 void osd_print_ldd_params(struct mkfs_opts *mop)
715 struct lustre_disk_data *ldd = &mop->mo_ldd;
717 if (backfs_mount_type_okay(ldd->ldd_mount_type))
718 backfs_ops[ldd->ldd_mount_type]->print_ldd_params(mop);
721 /* Was this device formatted for Lustre */
722 int osd_is_lustre(char *dev, unsigned int *mount_type)
726 vprint("checking for existing Lustre data: ");
728 for (i = 0; i < LDD_MT_LAST; ++i) {
730 backfs_ops[i]->is_lustre(dev, mount_type)) {
736 vprint("not found\n");
740 /* Build fs according to type */
741 int osd_make_lustre(struct mkfs_opts *mop)
743 struct lustre_disk_data *ldd = &mop->mo_ldd;
746 if (backfs_mount_type_okay(ldd->ldd_mount_type))
747 ret = backfs_ops[ldd->ldd_mount_type]->make_lustre(mop);
754 int osd_prepare_lustre(struct mkfs_opts *mop,
755 char *wanted_mountopts, size_t len)
757 struct lustre_disk_data *ldd = &mop->mo_ldd;
760 if (backfs_mount_type_okay(ldd->ldd_mount_type))
761 ret = backfs_ops[ldd->ldd_mount_type]->prepare_lustre(mop,
762 wanted_mountopts, len);
769 int osd_fix_mountopts(struct mkfs_opts *mop, char *mountopts, size_t len)
771 struct lustre_disk_data *ldd = &mop->mo_ldd;
773 if (!backfs_mount_type_okay(ldd->ldd_mount_type))
776 if (!backfs_ops[ldd->ldd_mount_type]->fix_mountopts)
779 return backfs_ops[ldd->ldd_mount_type]->fix_mountopts(mop, mountopts,
783 int osd_tune_lustre(char *dev, struct mount_opts *mop)
785 struct lustre_disk_data *ldd = &mop->mo_ldd;
788 if (backfs_mount_type_okay(ldd->ldd_mount_type))
789 ret = backfs_ops[ldd->ldd_mount_type]->tune_lustre(dev, mop);
796 int osd_label_lustre(struct mount_opts *mop)
798 struct lustre_disk_data *ldd = &mop->mo_ldd;
801 if (backfs_mount_type_okay(ldd->ldd_mount_type))
802 ret = backfs_ops[ldd->ldd_mount_type]->label_lustre(mop);
809 /* Rename filesystem fsname */
810 int osd_rename_fsname(struct mkfs_opts *mop, const char *oldname)
812 struct lustre_disk_data *ldd = &mop->mo_ldd;
815 if (backfs_mount_type_okay(ldd->ldd_mount_type))
816 ret = backfs_ops[ldd->ldd_mount_type]->rename_fsname(mop,
824 /* Enable quota accounting */
825 int osd_enable_quota(struct mkfs_opts *mop)
827 struct lustre_disk_data *ldd = &mop->mo_ldd;
830 if (backfs_mount_type_okay(ldd->ldd_mount_type))
831 ret = backfs_ops[ldd->ldd_mount_type]->enable_quota(mop);
840 int i, rc, ret = EINVAL;
842 for (i = 0; i < LDD_MT_LAST; ++i) {
844 backfs_ops[i] = load_backfs_module(i);
846 rc = backfs_ops[i]->init();
848 backfs_ops[i]->fini();
849 unload_backfs_module(backfs_ops[i]);
850 backfs_ops[i] = NULL;
864 for (i = 0; i < LDD_MT_LAST; ++i) {
866 backfs_ops[i]->fini();
867 unload_backfs_module(backfs_ops[i]);
868 backfs_ops[i] = NULL;
873 __u64 get_device_size(char *device)
878 fd = open(device, O_RDONLY);
880 fprintf(stderr, "%s: cannot open %s: %s\n",
881 progname, device, strerror(errno));
886 /* size in bytes. bz5831 */
887 ret = ioctl(fd, BLKGETSIZE64, (void *)&size);
892 ret = ioctl(fd, BLKGETSIZE, (void *)&lsize);
893 size = (__u64)lsize * 512;
898 fprintf(stderr, "%s: size ioctl failed: %s\n",
899 progname, strerror(errno));
903 vprint("device size = %juMB\n", (uintmax_t)(size >> 20));
904 /* return value in KB */
909 int file_create(char *path, __u64 size)
916 * Since "size" is in KB, the file offset it represents could overflow
919 size_max = (off_t)1 << (_FILE_OFFSET_BITS - 1 - 10);
920 if (size >= size_max) {
922 "%s: %ju KB: Backing store size must be smaller than %ju KB\n",
923 progname, (uintmax_t)size, (uintmax_t)size_max);
927 ret = access(path, F_OK);
934 fd = creat(path, 0600);
937 fprintf(stderr, "%s: Unable to create backing store: %s\n",
938 progname, strerror(errno));
942 ret = ftruncate(fd, size * 1024);
946 fprintf(stderr, "%s: Unable to truncate backing store: %s\n",
947 progname, strerror(errno));
954 #ifdef HAVE_SERVER_SUPPORT
955 struct lustre_cfg_entry {
956 struct list_head lce_list;
960 static struct lustre_cfg_entry *lustre_cfg_entry_init(const char *name)
962 struct lustre_cfg_entry *lce;
963 int len = strlen(name) + 1;
965 lce = malloc(sizeof(*lce) + len);
967 INIT_LIST_HEAD(&lce->lce_list);
968 memcpy(lce->lce_name, name, len);
974 static void lustre_cfg_entry_fini(struct lustre_cfg_entry *lce)
979 int lustre_rename_fsname(struct mkfs_opts *mop, const char *mntpt,
982 struct lustre_disk_data *ldd = &mop->mo_ldd;
983 struct lr_server_data lsd;
987 struct dirent64 *dirent;
988 struct lustre_cfg_entry *lce;
989 struct list_head cfg_list;
990 int old_namelen = strlen(oldname);
991 int new_namelen = strlen(ldd->ldd_fsname);
995 INIT_LIST_HEAD(&cfg_list);
997 snprintf(filepnm, sizeof(filepnm), "%s/%s", mntpt, LAST_RCVD);
998 fd = open(filepnm, O_RDWR);
1000 if (errno == ENOENT)
1007 fprintf(stderr, "Unable to open %s: %s\n",
1008 filepnm, strerror(ret));
1012 ret = read(fd, &lsd, sizeof(lsd));
1013 if (ret != sizeof(lsd)) {
1016 fprintf(stderr, "Unable to read %s: %s\n",
1017 filepnm, strerror(ret));
1022 ret = lseek(fd, 0, SEEK_SET);
1026 fprintf(stderr, "Unable to lseek %s: %s\n",
1027 filepnm, strerror(ret));
1032 /* replace fsname in lr_server_data::lsd_uuid. */
1033 if (old_namelen > new_namelen)
1034 memmove(lsd.lsd_uuid + new_namelen,
1035 lsd.lsd_uuid + old_namelen,
1036 sizeof(lsd.lsd_uuid) - old_namelen);
1037 else if (old_namelen < new_namelen)
1038 memmove(lsd.lsd_uuid + new_namelen,
1039 lsd.lsd_uuid + old_namelen,
1040 sizeof(lsd.lsd_uuid) - new_namelen);
1041 memcpy(lsd.lsd_uuid, ldd->ldd_fsname, new_namelen);
1042 ret = write(fd, &lsd, sizeof(lsd));
1043 if (ret != sizeof(lsd)) {
1046 fprintf(stderr, "Unable to write %s: %s\n",
1047 filepnm, strerror(ret));
1055 snprintf(cfg_dir, sizeof(cfg_dir), "%s/%s", mntpt, MOUNT_CONFIGS_DIR);
1056 dir = opendir(cfg_dir);
1062 fprintf(stderr, "Unable to opendir %s: %s\n",
1063 cfg_dir, strerror(ret));
1067 while ((dirent = readdir64(dir)) != NULL) {
1070 if (strlen(dirent->d_name) <= old_namelen)
1073 ptr = strrchr(dirent->d_name, '-');
1074 if (!ptr || (ptr - dirent->d_name) != old_namelen)
1077 if (strncmp(dirent->d_name, oldname, old_namelen) != 0)
1080 lce = lustre_cfg_entry_init(dirent->d_name);
1087 fprintf(stderr, "Fail to init item for %s: %s\n",
1088 dirent->d_name, strerror(ret));
1092 list_add(&lce->lce_list, &cfg_list);
1099 while (!list_empty(&cfg_list) && ret == 0) {
1100 lce = list_entry(cfg_list.next, struct lustre_cfg_entry,
1102 list_del(&lce->lce_list);
1103 snprintf(filepnm, sizeof(filepnm), "%s/%s", cfg_dir,
1107 * Store the new fsname in the XATTR_TARGET_RENAME EA.
1108 * When the MGS start, it will scan config logs, and
1109 * for the ones which have the XATTR_TARGET_RENAME EA,
1110 * it will replace old fsname with the new fsname in
1111 * the config log by some shared kernel level config
1112 * logs {fork,erase} functionalities automatically.
1114 ret = setxattr(filepnm, XATTR_TARGET_RENAME,
1116 strlen(ldd->ldd_fsname), 0);
1118 ret = unlink(filepnm);
1124 fprintf(stderr, "Fail to %s %s: %s\n",
1125 IS_MGS(ldd) ? "setxattr" : "unlink",
1126 filepnm, strerror(ret));
1129 lustre_cfg_entry_fini(lce);
1136 while (!list_empty(&cfg_list)) {
1137 lce = list_entry(cfg_list.next, struct lustre_cfg_entry,
1139 list_del(&lce->lce_list);
1140 lustre_cfg_entry_fini(lce);
1145 #endif /* HAVE_SERVER_SUPPORT */
1148 #ifdef HAVE_OPENSSL_SSK
1149 int load_shared_keys(struct mount_opts *mop)
1152 struct dirent *dentry;
1154 char fullpath[PATH_MAX];
1155 char *path = mop->mo_skpath;
1159 sk_init_logging(NULL, 1, 1);
1161 rc = stat(path, &sbuf);
1163 fprintf(stderr, "stat() failed for key %s: %s\n", path,
1168 /* Load individual keys or a directory of them */
1169 if (S_ISREG(sbuf.st_mode)) {
1170 return sk_load_keyfile(path);
1171 } else if (!S_ISDIR(sbuf.st_mode)) {
1172 fprintf(stderr, "Invalid shared key path: %s\n", path);
1176 dir = opendir(path);
1178 fprintf(stderr, "Unable to open shared key directory: %s\n",
1184 * Loop through the files in the directory attempting to load them.
1185 * Any issue with loading the keyfile is treated as an error although
1186 * the loop continues until all files have been attempted. This will
1187 * allow all errors be reported at once rather then requiring
1188 * incremental corrections to fix each one and try again.
1190 while ((dentry = readdir(dir)) != NULL) {
1191 if (strcmp(".", dentry->d_name) == 0 ||
1192 strcmp("..", dentry->d_name) == 0)
1195 rc = snprintf(fullpath, PATH_MAX, "%s/%s", path,
1197 if (rc >= PATH_MAX) {
1198 fprintf(stderr, "Path too long for %s/%s\n",
1199 path, dentry->d_name);
1204 rc = stat(fullpath, &sbuf);
1206 fprintf(stderr, "Unable to stat %s: %s\n", fullpath,
1212 if (!S_ISREG(sbuf.st_mode))
1215 rc = sk_load_keyfile(fullpath);
1217 fprintf(stderr, "Failed to load key %s\n", fullpath);
1223 #endif /* HAVE_OPENSSL_SSK */
1224 #endif /* HAVE_GSS */