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authorTrond Myklebust <Trond.Myklebust@netapp.com>2008-06-11 13:26:23 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2008-07-15 18:10:53 -0400
commitbba67e0e3f4caba2b2b90b48ed798fb0461bcb86 (patch)
treec13781f1265ccd73b4f71a33e9bb22931e954c1e /fs/nfs/dir.c
parentb6a2e569e2157509951c9f3f58dfa18b44ce91b3 (diff)
downloadlinux-bba67e0e3f4caba2b2b90b48ed798fb0461bcb86.tar.gz
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>
Diffstat (limited to 'fs/nfs/dir.c')
-rw-r--r--fs/nfs/dir.c6
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)