NFSv4/NLM: Push file locking BKL dependencies down into the NLM layer

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

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index dd7957064a8c..273e229353f3 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -165,6 +165,7 @@ int nlmclnt_proc(struct nlm_host *host, int cmd, struct file_lock *fl)
         /* Set up the argument struct */
         nlmclnt_setlockargs(call, fl);
 
+        lock_kernel();
         if (IS_SETLK(cmd) || IS_SETLKW(cmd)) {
                 if (fl->fl_type != F_UNLCK) {
                         call->a_args.block = IS_SETLKW(cmd) ? 1 : 0;
@@ -178,6 +179,7 @@ int nlmclnt_proc(struct nlm_host *host, int cmd, struct file_lock *fl)
 
         fl->fl_ops->fl_release_private(fl);
         fl->fl_ops = NULL;
+        unlock_kernel();
 
         dprintk("lockd: clnt proc returns %d\n", status);
         return status;