btrfs: Introduce new mount option alias for nologreplay

Introduce new mount option alias "norecovery" for nologreplay, to keep
"norecovery" behavior the same with other filesystems.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index e8a7a9f..bf75200 100644 (file)
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -304,7 +304,7 @@ enum {
        Opt_commit_interval, Opt_barrier, Opt_nodefrag, Opt_nodiscard,
        Opt_noenospc_debug, Opt_noflushoncommit, Opt_acl, Opt_datacow,
        Opt_datasum, Opt_treelog, Opt_noinode_cache, Opt_usebackuproot,
-       Opt_nologreplay,
+       Opt_nologreplay, Opt_norecovery,
 #ifdef CONFIG_BTRFS_DEBUG
        Opt_fragment_data, Opt_fragment_metadata, Opt_fragment_all,
 #endif
@@ -337,6 +337,7 @@ static const match_table_t tokens = {
        {Opt_notreelog, "notreelog"},
        {Opt_treelog, "treelog"},
        {Opt_nologreplay, "nologreplay"},
+       {Opt_norecovery, "norecovery"},
        {Opt_flushoncommit, "flushoncommit"},
        {Opt_noflushoncommit, "noflushoncommit"},
        {Opt_ratio, "metadata_ratio=%d"},
@@ -614,6 +615,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options,
                        btrfs_clear_and_info(root, NOTREELOG,
                                             "enabling tree log");
                        break;
+               case Opt_norecovery:
                case Opt_nologreplay:
                        btrfs_set_and_info(root, NOLOGREPLAY,
                                           "disabling log replay at mount time");