ldiskfs/kernel_patches/patches/sles11sp3/ext4-dont-check-before-replay.patch

   1 Index: linux-stage/fs/ext4/super.c
   2 When ldiskfs run in failover mode whith read-only disk.
   3 Part of allocation updates are lost and ldiskfs may fail
   4 while mounting this is due to inconsistent state of
   5 group-descriptor. Group-descriptor check is added after
   6 journal replay.
   7 ===================================================================
   8 --- linux-stage/fs/ext4/super.c 2016-11-24 20:50:46.736527130 +0530
   9 +++ linux-stage.orig/fs/ext4/super.c    2016-11-24 20:54:14.941779453 +0530
  10 @@ -3429,10 +3429,6 @@
  11                         goto failed_mount2;
  12                 }
  13         }
  14 -       if (!ext4_check_descriptors(sb, &first_not_zeroed)) {
  15 -               ext4_msg(sb, KERN_ERR, "group descriptors corrupted!");
  16 -               goto failed_mount2;
  17 -       }
  18         if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_FLEX_BG))
  19                 if (!ext4_fill_flex_info(sb)) {
  20                         ext4_msg(sb, KERN_ERR,
  21 @@ -3609,6 +3605,10 @@
  22         sbi->s_journal->j_commit_callback = ext4_journal_commit_callback;
  23
  24  no_journal:
  25 +       if (!ext4_check_descriptors(sb, &first_not_zeroed)) {
  26 +               ext4_msg(sb, KERN_ERR, "group descriptors corrupted!");
  27 +               goto failed_mount_wq;
  28 +       }
  29         /*
  30          * The maximum number of concurrent works can be high and
  31          * concurrency isn't really necessary.  Limit it to 1.