NFS: Remove BKL usage from open()

All the NFSv4 stateful operations are already protected by other locks (in
particular by the rpc_sequence locks.

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

1 files changed, 0 insertions, 6 deletions

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 73e0f9740dd1..c68ec447ace1 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -139,10 +139,8 @@ nfs_opendir(struct inode *inode, struct file *filp)
 
         nfs_inc_stats(inode, NFSIOS_VFSOPEN);
 
-        lock_kernel();
         /* Call generic open code in order to cache credentials */
         res = nfs_open(inode, filp);
-        unlock_kernel();
         return res;
 }
 
@@ -1019,9 +1017,7 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry
         }
 
         /* Open the file on the server */
-        lock_kernel();
         res = nfs4_atomic_open(dir, dentry, nd);
-        unlock_kernel();
         if (IS_ERR(res)) {
                 error = PTR_ERR(res);
                 switch (error) {
@@ -1083,9 +1079,7 @@ static int nfs_open_revalidate(struct dentry *dentry, struct nameidata *nd)
          * operations that change the directory. We therefore save the
          * change attribute *before* we do the RPC call.
          */
-        lock_kernel();
         ret = nfs4_open_revalidate(dir, dentry, openflags, nd);
-        unlock_kernel();
 out:
         dput(parent);
         if (!ret)