NFS: Replace NFS_I(inode)->req_lock with inode->i_lock

There is no justification for keeping a special spinlock for the exclusive
use of the NFS writeback code.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index bf24151d63be..cf395351cdd4 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -156,7 +156,6 @@ struct nfs_inode {
         /*
          * This is the list of dirty unwritten pages.
          */
-        spinlock_t              req_lock;
         struct radix_tree_root  nfs_page_tree;
 
         unsigned long           ncommit,