lustre/kernel_patches/patches/ext3-unmount_sync.patch

   1  fs/ext3/super.c |    7 ++++++-
   2  1 files changed, 6 insertions(+), 1 deletion(-)
   3
   4 --- linux-2.4.20/fs/ext3/super.c~ext3-unmount_sync      2003-04-08 23:35:44.000000000 -0600
   5 +++ linux-2.4.20-braam/fs/ext3/super.c  2003-04-08 23:35:44.000000000 -0600
   6 @@ -1612,7 +1612,12 @@ void ext3_write_super (struct super_bloc
   7         sb->s_dirt = 0;
   8         target = log_start_commit(EXT3_SB(sb)->s_journal, NULL);
   9
  10 -       if (do_sync_supers) {
  11 +       /*
  12 +        * Tricky --- if we are unmounting, the write really does need
  13 +        * to be synchronous.  We can detect that by looking for NULL in
  14 +        * sb->s_root.
  15 +        */
  16 +       if (do_sync_supers || !sb->s_root) {
  17                 unlock_super(sb);
  18                 log_wait_commit(EXT3_SB(sb)->s_journal, target);
  19                 lock_super(sb);
  20
  21 _