lustre/kernel_patches/patches/pagecache-lock-2.4.21-chaos.patch

   1 Index: linux-2.4.21-chaos/include/linux/swap.h
   2 ===================================================================
   3 --- linux-2.4.21-chaos.orig/include/linux/swap.h        2003-12-12 16:24:33.000000000 +0300
   4 +++ linux-2.4.21-chaos/include/linux/swap.h     2003-12-12 16:41:15.000000000 +0300
   5 @@ -95,7 +95,7 @@
   6  extern atomic_t page_cache_size;
   7  extern atomic_t buffermem_pages;
   8
   9 -#if 1
  10 +#if 0
  11
  12  static inline void
  13         lock_pagecache(void) { br_write_lock(BR_PAGECACHE_LOCK); }
  14 @@ -110,6 +110,7 @@
  15
  16  extern spinlock_cacheline_t pagecache_lock_cacheline;
  17  #define __pagecache_lock (pagecache_lock_cacheline.lock)
  18 +#define pagecache_lock (pagecache_lock_cacheline.lock)
  19
  20  static inline void
  21         lock_pagecache(void) { spin_lock(&__pagecache_lock); }