ldiskfs/kernel_patches/patches/base/ext4-no-max-dir-size-limit-for-iam-objects.patch

   1 Index: linux-3.10.0-957.27.2.el7/fs/ext4/ext4.h
   2 ===================================================================
   3 --- linux-3.10.0-957.27.2.el7.orig/fs/ext4/ext4.h
   4 +++ linux-3.10.0-957.27.2.el7/fs/ext4/ext4.h
   5 @@ -1539,6 +1539,7 @@ enum {
   6         EXT4_STATE_NO_EXPAND,           /* No space for expansion */
   7         EXT4_STATE_DA_ALLOC_CLOSE,      /* Alloc DA blks on close */
   8         EXT4_STATE_EXT_MIGRATE,         /* Inode is migrating */
   9 +       EXT4_STATE_IAM,                 /* Lustre IAM objects */
  10         EXT4_STATE_DIO_UNWRITTEN,       /* need convert on dio done*/
  11         EXT4_STATE_NEWENTRY,            /* File just added to dir */
  12         EXT4_STATE_DIOREAD_LOCK,        /* Disable support for dio read
  13 Index: linux-3.10.0-957.27.2.el7/fs/ext4/namei.c
  14 ===================================================================
  15 --- linux-3.10.0-957.27.2.el7.orig/fs/ext4/namei.c
  16 +++ linux-3.10.0-957.27.2.el7/fs/ext4/namei.c
  17 @@ -58,8 +58,10 @@ struct buffer_head *ext4_append(handle_t
  18
  19         if (unlikely(EXT4_SB(inode->i_sb)->s_max_dir_size_kb &&
  20                      ((inode->i_size >> 10) >=
  21 -                     EXT4_SB(inode->i_sb)->s_max_dir_size_kb)))
  22 -               return ERR_PTR(-ENOSPC);
  23 +                     EXT4_SB(inode->i_sb)->s_max_dir_size_kb))) {
  24 +               if (!ext4_test_inode_state(inode, EXT4_STATE_IAM))
  25 +                       return ERR_PTR(-ENOSPC);
  26 +       }
  27
  28         /* with parallel dir operations all appends
  29         * have to be serialized -bzzz */