Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/ext4/super.c |    5 +++++
 1 file changed, 5 insertions(+)

diff -puN fs/ext4/super.c~ext4-ext4_nodelalloc_mount_opt fs/ext4/super.c
--- a/fs/ext4/super.c~ext4-ext4_nodelalloc_mount_opt
+++ a/fs/ext4/super.c
@@ -737,6 +737,7 @@ enum {
 	Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_quota, Opt_noquota,
 	Opt_ignore, Opt_barrier, Opt_err, Opt_resize, Opt_usrquota,
 	Opt_grpquota, Opt_extents, Opt_noextents, Opt_delayed_alloc,
+	Opt_nodelayed_alloc,
 };
 
 static match_table_t tokens = {
@@ -789,6 +790,7 @@ static match_table_t tokens = {
 	{Opt_extents, "extents"},
 	{Opt_noextents, "noextents"},
 	{Opt_delayed_alloc, "delalloc"},
+	{Opt_nodelayed_alloc, "nodelalloc"},
 	{Opt_err, NULL},
 	{Opt_resize, "resize"},
 };
@@ -1106,6 +1108,9 @@ clear_qf_name:
 		case Opt_delayed_alloc:
 			set_opt(sbi->s_mount_opt, DELAYED_ALLOC);
 			break;
+		case Opt_nodelayed_alloc:
+			clear_opt(sbi->s_mount_opt, DELAYED_ALLOC);
+			break;
 		case Opt_ignore:
 			break;
 		case Opt_resize:
_