[PATCH] ext4: Show mballoc and delalloc options

["Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>]

Both these options are enabled by default.
So if they are are not set in mount options
that means the user explicity disabled them
using nomablloc and nodelalloc option. Show
the same in ext4_show_options

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
 fs/ext4/super.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 0c32dc8..f1f70ce 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -733,8 +733,14 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs)
 		seq_puts(seq, ",barrier=1");
 	if (test_opt(sb, NOBH))
 		seq_puts(seq, ",nobh");
+
+	/* extents,mballoc and delalloc are enabled by default */
 	if (!test_opt(sb, EXTENTS))
 		seq_puts(seq, ",noextents");
+	if (!test_opt(sb, MBALLOC))
+		seq_puts(seq, ",nomballoc");
+	if (!test_opt(sb, DELALLOC))
+		seq_puts(seq, ",nodelalloc");
 
 	if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA)
 		seq_puts(seq, ",data=journal");
-- 
1.5.3.4.319.gdd817-dirty