MS_I_VERSION is enabled by default for btrfs, this adds an alternative option to toggle it off.
Signed-off-by: Liu Bo <bo.li....@oracle.com> --- fs/btrfs/super.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 05fef19..e610e3e 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -324,7 +324,7 @@ enum { Opt_check_integrity_print_mask, Opt_fatal_errors, Opt_rescan_uuid_tree, 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_datasum, Opt_treelog, Opt_noinode_cache, Opt_noi_version, Opt_err, }; @@ -351,6 +351,7 @@ static match_table_t tokens = { {Opt_nossd, "nossd"}, {Opt_acl, "acl"}, {Opt_noacl, "noacl"}, + {Opt_noi_version, "noi_version"}, {Opt_notreelog, "notreelog"}, {Opt_treelog, "treelog"}, {Opt_flushoncommit, "flushoncommit"}, @@ -593,6 +594,10 @@ int btrfs_parse_options(struct btrfs_root *root, char *options) case Opt_noacl: root->fs_info->sb->s_flags &= ~MS_POSIXACL; break; + case Opt_noi_version: + root->fs_info->sb->s_flags &= ~MS_I_VERSION; + btrfs_info(root->fs_info, "disable i_version"); + break; case Opt_notreelog: btrfs_set_and_info(root, NOTREELOG, "disabling tree log"); -- 1.7.7.6 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html