lustre/kernel_patches/patches/ext3-extents-asyncdel-2.4.21-chaos.patch

   1 Index: 57chaos/fs/ext3/inode.c
   2 ===================================================================
   3 --- 57chaos.orig/fs/ext3/inode.c        2004-06-21 14:15:31.000000000 -0700
   4 +++ 57chaos/fs/ext3/inode.c     2004-06-21 14:19:27.000000000 -0700
   5 @@ -2270,6 +2270,12 @@ void ext3_truncate_thread(struct inode *
   6
   7         memcpy(nei->i_data, oei->i_data, sizeof(nei->i_data));
   8         memset(oei->i_data, 0, sizeof(oei->i_data));
   9 +       if (EXT3_I(old_inode)->i_flags & EXT3_EXTENTS_FL) {
  10 +               EXT3_I(new_inode)->i_flags |= EXT3_EXTENTS_FL;
  11 +               ext3_extents_initialize_blockmap(handle, old_inode);
  12 +       } else {
  13 +               EXT3_I(new_inode)->i_flags &= ~EXT3_EXTENTS_FL;
  14 +       }
  15
  16         nei->i_disksize = oei->i_disksize;
  17         nei->i_state |= EXT3_STATE_DELETE;
  18 @@ -2522,6 +2526,13 @@ void ext3_read_inode(struct inode * inod
  19         else
  20                 EXT3_I(inode)->i_extra_isize = 0;
  21
  22 +       if (EXT3_I(inode)->i_flags & EXT3_EXTENTS_FL) {
  23 +               inode->u.ext3_i.i_cached_extent[0] = 0;
  24 +               inode->u.ext3_i.i_cached_extent[1] = 0;
  25 +               inode->u.ext3_i.i_cached_extent[2] = 0;
  26 +               inode->u.ext3_i.i_cached_extent[3] = 0;
  27 +       }
  28 +
  29         if (S_ISREG(inode->i_mode)) {
  30                 inode->i_op = &ext3_file_inode_operations;
  31                 inode->i_fop = &ext3_file_operations;