lustre/kernel_patches/patches/inode-protection-from-pdflush.patch

   1
   2 diff -puN fs/fs-writeback.c~inode-protection-from-pdflush fs/fs-writeback.c
   3 --- linux-2.5.73/fs/fs-writeback.c~inode-protection-from-pdflush        Mon Jul  7 01:10:17 2003
   4 +++ linux-2.5.73-alexey/fs/fs-writeback.c       Mon Jul  7 01:10:17 2003
   5 @@ -198,6 +198,11 @@ static void
   6  __writeback_single_inode(struct inode *inode,
   7                         struct writeback_control *wbc)
   8  {
   9 +       if (inode->i_flags & I_SKIP_PDFLUSH) {
  10 +               list_move(&inode->i_list, &inode->i_sb->s_dirty);
  11 +               return;
  12 +       }
  13 +
  14         if ((wbc->sync_mode != WB_SYNC_ALL) && (inode->i_state & I_LOCK)) {
  15                 list_move(&inode->i_list, &inode->i_sb->s_dirty);
  16                 return;
  17 diff -puN include/linux/fs.h~inode-protection-from-pdflush include/linux/fs.h
  18 --- linux-2.5.73/include/linux/fs.h~inode-protection-from-pdflush       Mon Jul  7 01:22:16 2003
  19 +++ linux-2.5.73-alexey/include/linux/fs.h      Mon Jul  7 01:23:18 2003
  20 @@ -816,6 +816,7 @@ struct super_operations {
  21  #define I_FREEING              16
  22  #define I_CLEAR                        32
  23  #define I_NEW                  64
  24 +#define I_SKIP_PDFLUSH         1024 /* inode will be out of pdflush's scope */
  25
  26  #define I_DIRTY (I_DIRTY_SYNC | I_DIRTY_DATASYNC | I_DIRTY_PAGES)
  27
  28
  29 _