diff options
Diffstat (limited to 'sys/contrib/openzfs/cmd/zfs/zfs_main.c')
| -rw-r--r-- | sys/contrib/openzfs/cmd/zfs/zfs_main.c | 36 |
1 files changed, 28 insertions, 8 deletions
diff --git a/sys/contrib/openzfs/cmd/zfs/zfs_main.c b/sys/contrib/openzfs/cmd/zfs/zfs_main.c index 841c356508a5..363bb6da74ec 100644 --- a/sys/contrib/openzfs/cmd/zfs/zfs_main.c +++ b/sys/contrib/openzfs/cmd/zfs/zfs_main.c @@ -440,7 +440,7 @@ get_usage(zfs_help_t idx) return (gettext("\tredact <snapshot> <bookmark> " "<redaction_snapshot> ...\n")); case HELP_REWRITE: - return (gettext("\trewrite [-rvx] [-o <offset>] [-l <length>] " + return (gettext("\trewrite [-Prvx] [-o <offset>] [-l <length>] " "<directory|file ...>\n")); case HELP_JAIL: return (gettext("\tjail <jailid|jailname> <filesystem>\n")); @@ -1974,9 +1974,8 @@ fill_dataset_info(nvlist_t *list, zfs_handle_t *zhp, boolean_t as_int) } if (type == ZFS_TYPE_SNAPSHOT) { - char *ds, *snap; - ds = snap = strdup(zfs_get_name(zhp)); - ds = strsep(&snap, "@"); + char *snap = strdup(zfs_get_name(zhp)); + char *ds = strsep(&snap, "@"); fnvlist_add_string(list, "dataset", ds); fnvlist_add_string(list, "snapshot_name", snap); free(ds); @@ -2019,8 +2018,7 @@ get_callback(zfs_handle_t *zhp, void *data) nvlist_t *user_props = zfs_get_user_props(zhp); zprop_list_t *pl = cbp->cb_proplist; nvlist_t *propval; - nvlist_t *item, *d, *props; - item = d = props = NULL; + nvlist_t *item, *d = NULL, *props = NULL; const char *strval; const char *sourceval; boolean_t received = is_recvd_column(cbp); @@ -5879,7 +5877,7 @@ parse_fs_perm_set(fs_perm_set_t *fspset, nvlist_t *nvl) static inline const char * deleg_perm_comment(zfs_deleg_note_t note) { - const char *str = ""; + const char *str; /* subcommands */ switch (note) { @@ -7729,6 +7727,7 @@ unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual) struct extmnttab entry; const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount"; ino_t path_inode; + char *zfs_mntpnt, *entry_mntpnt; /* * Search for the given (major,minor) pair in the mount table. @@ -7770,6 +7769,24 @@ unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual) goto out; } + /* + * If the filesystem is mounted, check that the mountpoint matches + * the one in the mnttab entry w.r.t. provided path. If it doesn't, + * then we should not proceed further. + */ + entry_mntpnt = strdup(entry.mnt_mountp); + if (zfs_is_mounted(zhp, &zfs_mntpnt)) { + if (strcmp(zfs_mntpnt, entry_mntpnt) != 0) { + (void) fprintf(stderr, gettext("cannot %s '%s': " + "not an original mountpoint\n"), cmdname, path); + free(zfs_mntpnt); + free(entry_mntpnt); + goto out; + } + free(zfs_mntpnt); + } + free(entry_mntpnt); + if (op == OP_SHARE) { char nfs_mnt_prop[ZFS_MAXPROPLEN]; char smbshare_prop[ZFS_MAXPROPLEN]; @@ -9160,8 +9177,11 @@ zfs_do_rewrite(int argc, char **argv) zfs_rewrite_args_t args; memset(&args, 0, sizeof (args)); - while ((c = getopt(argc, argv, "l:o:rvx")) != -1) { + while ((c = getopt(argc, argv, "Pl:o:rvx")) != -1) { switch (c) { + case 'P': + args.flags |= ZFS_REWRITE_PHYSICAL; + break; case 'l': args.len = strtoll(optarg, NULL, 0); break; |