defrag-06a-add-sparse-annotation

   1 defrag-06 patch fixup to add sparse annotation
   2
   3 From: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
   4
   5 This patch hunk was added by
   6 aneesh-5-sparse-annotate-the-group-info-semaphore but it doesn't apply
   7 until the defrag patches ar applied.  It should be merged up.
   8
   9 Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
  10 Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
  11 ---
  12 diff a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c    (rejected hunks)
  13 --- a/fs/ext4/mballoc.c
  14 +++ b/fs/ext4/mballoc.c
  15 @@ -4805,8 +4821,10 @@ ext4_mb_search_free_extents(struct inode *inode,
  16         end = EXT4_BLOCKS_PER_GROUP(sb) - 1;
  17
  18         err = ext4_mb_load_buddy(sb, group_no, &e4b);
  19 -       if (err)
  20 +       if (err) {
  21 +               __release(e4b->alloc_semp);
  22                 return err;
  23 +       }
  24
  25         /* We consider about the boot block if bs = 1k */
  26         if (sb->s_blocksize == 1024)