ldiskfs/kernel_patches/patches/rhel6.3/ext4-inode_info_reorganize.patch

   1 Index: linux-stage/fs/ext4/ext4.h
   2 ===================================================================
   3 --- linux-stage.orig/fs/ext4/ext4.h     2012-08-07 14:16:06.331203480 -0700
   4 +++ linux-stage/fs/ext4/ext4.h  2012-08-10 10:08:47.854206335 -0700
   5 @@ -713,6 +713,7 @@
   6         /* following fields for parallel directory operations -bzzz */
   7         struct semaphore i_append_sem;
   8
   9 +       ext4_lblk_t             i_dir_start_lookup;
  10         /*
  11          * i_block_group is the number of the block group which contains
  12          * this file's inode.  Constant across the lifetime of the inode,
  13 @@ -724,7 +725,6 @@
  14         unsigned long   i_state_flags;          /* Dynamic state flags */
  15         unsigned long   i_flags;
  16
  17 -       ext4_lblk_t             i_dir_start_lookup;
  18  #ifdef CONFIG_EXT4_FS_XATTR
  19         /*
  20          * Extended attributes can be read independently of the main file
  21 @@ -788,10 +788,12 @@
  22         unsigned int i_reserved_data_blocks;
  23         unsigned int i_reserved_meta_blocks;
  24         unsigned int i_allocated_meta_blocks;
  25 -       unsigned short i_delalloc_reserved_flag;
  26         sector_t i_da_metadata_calc_last_lblock;
  27         int i_da_metadata_calc_len;
  28
  29 +       /* allocation reservation info for delalloc */
  30 +       unsigned short i_delalloc_reserved_flag;
  31 +
  32         /* on-disk additional length */
  33         __u16 i_extra_isize;
  34
  35 @@ -807,16 +809,22 @@
  36         /* current io_end structure for async DIO write*/
  37         ext4_io_end_t *cur_aio_dio;
  38         atomic_t i_aiodio_unwritten; /* Number of inflight conversions pending */
  39 -       struct mutex i_aio_mutex; /* big hammer for unaligned AIO */
  40
  41         /*
  42          * Transactions that contain inode's metadata needed to complete
  43          * fsync and fdatasync, respectively.
  44          */
  45 +
  46         tid_t i_sync_tid;
  47 -       tid_t i_datasync_tid;
  48 +
  49 +       struct mutex i_aio_mutex; /* big hammer for unaligned AIO */
  50
  51         __u64 i_fs_version;
  52 +       /*
  53 +        * Transactions that contain inode's metadata needed to complete
  54 +        * fsync and fdatasync, respectively.
  55 +        */
  56 +       tid_t i_datasync_tid;
  57  };
  58
  59  #define HAVE_DISK_INODE_VERSION