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path: root/fs/ocfs2/super.c
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-rw-r--r--fs/ocfs2/super.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 706c71c2955d..87a1f7679d9b 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -191,6 +191,7 @@ enum {
Opt_coherency_full,
Opt_resv_level,
Opt_dir_resv_level,
+ Opt_journal_async_commit,
Opt_err,
};
@@ -222,6 +223,7 @@ static const match_table_t tokens = {
{Opt_coherency_full, "coherency=full"},
{Opt_resv_level, "resv_level=%u"},
{Opt_dir_resv_level, "dir_resv_level=%u"},
+ {Opt_journal_async_commit, "journal_async_commit"},
{Opt_err, NULL}
};
@@ -1470,6 +1472,9 @@ static int ocfs2_parse_options(struct super_block *sb,
option < OCFS2_MAX_RESV_LEVEL)
mopt->dir_resv_level = option;
break;
+ case Opt_journal_async_commit:
+ mopt->mount_opt |= OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT;
+ break;
default:
mlog(ML_ERROR,
"Unrecognized mount option \"%s\" "
@@ -1576,6 +1581,9 @@ static int ocfs2_show_options(struct seq_file *s, struct dentry *root)
if (osb->osb_dir_resv_level != osb->osb_resv_level)
seq_printf(s, ",dir_resv_level=%d", osb->osb_resv_level);
+ if (opts & OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT)
+ seq_printf(s, ",journal_async_commit");
+
return 0;
}
@@ -2445,6 +2453,15 @@ static int ocfs2_check_volume(struct ocfs2_super *osb)
goto finally;
}
+ if (osb->s_mount_opt & OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT)
+ jbd2_journal_set_features(osb->journal->j_journal,
+ JBD2_FEATURE_COMPAT_CHECKSUM, 0,
+ JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT);
+ else
+ jbd2_journal_clear_features(osb->journal->j_journal,
+ JBD2_FEATURE_COMPAT_CHECKSUM, 0,
+ JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT);
+
if (dirty) {
/* recover my local alloc if we didn't unmount cleanly. */
status = ocfs2_begin_local_alloc_recovery(osb,