Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6

* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
  SUNRPC: Fix potential race in put_rpccred()
  SUNRPC: Fix rpcauth_prune_expired
  NFS: Convert nfs_attr_generation_counter into an atomic_long
  SUNRPC: Respond promptly to server TCP resets

1 files changed, 3 insertions, 8 deletions

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index dc52793ff8f8..d22eb383e1cf 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -908,21 +908,16 @@ static int nfs_size_need_update(const struct inode *inode, const struct nfs_fatt
         return nfs_size_to_loff_t(fattr->size) > i_size_read(inode);
 }
 
-static unsigned long nfs_attr_generation_counter;
+static atomic_long_t nfs_attr_generation_counter;
 
 static unsigned long nfs_read_attr_generation_counter(void)
 {
-        smp_rmb();
-        return nfs_attr_generation_counter;
+        return atomic_long_read(&nfs_attr_generation_counter);
 }
 
 unsigned long nfs_inc_attr_generation_counter(void)
 {
-        unsigned long ret;
-        smp_rmb();
-        ret = ++nfs_attr_generation_counter;
-        smp_wmb();
-        return ret;
+        return atomic_long_inc_return(&nfs_attr_generation_counter);
 }
 
 void nfs_fattr_init(struct nfs_fattr *fattr)