lustre/kernel_patches/patches/prune-icache-use-trylock-rhel5.patch

   1 --- linux/fs/inode.c.orig       2009-01-24 03:28:57.000000000 +0800
   2 +++ linux/fs/inode.c    2009-01-24 03:30:18.000000000 +0800
   3 @@ -418,7 +418,9 @@ static void prune_icache(int nr_to_scan)
   4         int nr_scanned;
   5         unsigned long reap = 0;
   6
   7 -       mutex_lock(&iprune_mutex);
   8 +       if (!mutex_trylock(&iprune_mutex))
   9 +               return;
  10 +
  11         spin_lock(&inode_lock);
  12         for (nr_scanned = 0; nr_scanned < nr_to_scan; nr_scanned++) {
  13                 struct inode *inode;