ext4: Do mballoc init before doing filesystem recovery

During filesystem recovery we may be doing a truncate
which expects some of the mballoc data structures to
be initialized. So do ext4_mb_init before recovery.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

1 files changed, 15 insertions, 15 deletions

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index dea8f13c2fd9..4f41107021cf 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2456,6 +2456,21 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
                         "available.\n");
         }
 
+        if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) {
+                printk(KERN_WARNING "EXT4-fs: Ignoring delalloc option - "
+                                "requested data journaling mode\n");
+                clear_opt(sbi->s_mount_opt, DELALLOC);
+        } else if (test_opt(sb, DELALLOC))
+                printk(KERN_INFO "EXT4-fs: delayed allocation enabled\n");
+
+        ext4_ext_init(sb);
+        err = ext4_mb_init(sb, needs_recovery);
+        if (err) {
+                printk(KERN_ERR "EXT4-fs: failed to initalize mballoc (%d)\n",
+                       err);
+                goto failed_mount4;
+        }
+
         /*
          * akpm: core read_super() calls in here with the superblock locked.
          * That deadlocks, because orphan cleanup needs to lock the superblock
@@ -2475,21 +2490,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
                test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA ? "ordered":
                "writeback");
 
-        if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) {
-                printk(KERN_WARNING "EXT4-fs: Ignoring delalloc option - "
-                                "requested data journaling mode\n");
-                clear_opt(sbi->s_mount_opt, DELALLOC);
-        } else if (test_opt(sb, DELALLOC))
-                printk(KERN_INFO "EXT4-fs: delayed allocation enabled\n");
-
-        ext4_ext_init(sb);
-        err = ext4_mb_init(sb, needs_recovery);
-        if (err) {
-                printk(KERN_ERR "EXT4-fs: failed to initalize mballoc (%d)\n",
-                       err);
-                goto failed_mount4;
-        }
-
         lock_kernel();
         return 0;