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
--
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