LU-12682 llite: fake symlink type of foreign file/dir

[fs/lustre-release.git] / lustre / utils / lfs.c

diff --git a/lustre/utils/lfs.c b/lustre/utils/lfs.c
index f7eacb3..c68a626 100644 (file)
--- a/lustre/utils/lfs.c
+++ b/lustre/utils/lfs.c
@@ -85,6 +85,7 @@ static int lfs_getstripe(int argc, char **argv);
 static int lfs_getdirstripe(int argc, char **argv);
 static int lfs_setdirstripe(int argc, char **argv);
 static int lfs_rmentry(int argc, char **argv);
+static int lfs_unlink_foreign(int argc, char **argv);
 static int lfs_osts(int argc, char **argv);
 static int lfs_mdts(int argc, char **argv);
 static int lfs_df(int argc, char **argv);
@@ -293,7 +294,7 @@ static inline int lfs_mirror_delete(int argc, char **argv)
        "setdirstripe|mkdir --foreign[=<foreign_type>] -x|-xattr <string> " \
                "[--mode|-o mode] [--flags <hex>] <dir>\n" \
        "\tmode: the mode of the directory\n" \
-       "\tforeign_type: none or daos\n"
+       "\tforeign_type: none or symlink\n"
 
 /**
  * command_t mirror_cmdlist - lfs mirror commands.
@@ -460,6 +461,11 @@ command_t cmdlist[] = {
         "will become inaccessable after this command. This can only be done\n"
         "by the administrator\n"
         "usage: rm_entry <dir>\n"},
+       {"unlink_foreign", lfs_unlink_foreign, 0,
+        "To remove the foreign file/dir.\n"
+        "Note: This is for files/dirs prevented to be removed using\n"
+        "unlink/rmdir, but works also for regular ones\n"
+        "usage: unlink_foreign <foreign_dir/file> [<foreign_dir/file> ...]\n"},
        {"pool_list", lfs_poollist, 0,
         "List pools or pool OSTs\n"
         "usage: pool_list <fsname>[.<pool>] | <pathname>\n"},
@@ -6038,7 +6044,7 @@ static int lfs_setdirstripe(int argc, char **argv)
        mode_t mode = S_IRWXU | S_IRWXG | S_IRWXO;
        mode_t previous_mode = 0;
        char *xattr = NULL;
-       __u32 type = LU_FOREIGN_TYPE_DAOS, flags = 0;
+       __u32 type = LU_FOREIGN_TYPE_SYMLINK, flags = 0;
        struct option long_opts[] = {
        { .val = 'c',   .name = "count",        .has_arg = required_argument },
        { .val = 'c',   .name = "mdt-count",    .has_arg = required_argument },
@@ -6355,6 +6361,33 @@ static int lfs_rmentry(int argc, char **argv)
        return result;
 }
 
+static int lfs_unlink_foreign(int argc, char **argv)
+{
+       char *name;
+       int   index;
+       int   result = 0;
+
+       if (argc <= 1) {
+               fprintf(stderr, "error: %s: missing pathname\n",
+                       argv[0]);
+               return CMD_HELP;
+       }
+
+       index = 1;
+       name = argv[index];
+       while (name != NULL) {
+               result = llapi_unlink_foreign(name);
+               if (result) {
+                       fprintf(stderr,
+                               "error: %s: unlink foreign entry '%s' failed\n",
+                               argv[0], name);
+                       break;
+               }
+               name = argv[++index];
+       }
+       return result;
+}
+
 static int lfs_mv(int argc, char **argv)
 {
        struct lmv_user_md lmu = { LMV_USER_MAGIC };