vfs: umount_begin BKL pushdown
Push BKL down into ->umount_begin()
Signed-off-by: Alessio Igor Bogani <abogani@texware.it>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 6717200..1679a16 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -683,9 +683,12 @@
*/
static void nfs_umount_begin(struct super_block *sb)
{
- struct nfs_server *server = NFS_SB(sb);
+ struct nfs_server *server;
struct rpc_clnt *rpc;
+ lock_kernel();
+
+ server = NFS_SB(sb);
/* -EIO all pending I/O */
rpc = server->client_acl;
if (!IS_ERR(rpc))
@@ -693,6 +696,8 @@
rpc = server->client;
if (!IS_ERR(rpc))
rpc_killall_tasks(rpc);
+
+ unlock_kernel();
}
/*