NFSv4: Remove nfs4_client->cl_sem from close() path

 We no longer need to worry about collisions between close() and the state
 recovery code, since the new close will automatically recheck the
 file state once it is done waiting on its sequence slot.

 Ditto for the nfs4_proc_locku() procedure.

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

1 files changed, 0 insertions, 5 deletions

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 25bab60..611052b 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -820,12 +820,10 @@ static void nfs4_free_closedata(struct nfs4_closedata *calldata)
 {
 	struct nfs4_state *state = calldata->state;
 	struct nfs4_state_owner *sp = state->owner;
-	struct nfs_server *server = NFS_SERVER(calldata->inode);
 
 	nfs4_put_open_state(calldata->state);
 	nfs_free_seqid(calldata->arg.seqid);
 	nfs4_put_state_owner(sp);
-	up_read(&server->nfs4_state->cl_sem);
 	kfree(calldata);
 }
 
@@ -2758,7 +2756,6 @@ static int _nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock
 {
 	struct inode *inode = state->inode;
 	struct nfs_server *server = NFS_SERVER(inode);
-	struct nfs4_client *clp = server->nfs4_state;
 	struct nfs_lockargs arg = {
 		.fh = NFS_FH(inode),
 		.type = nfs4_lck_type(cmd, request),
@@ -2778,7 +2775,6 @@ static int _nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock
 	struct nfs_locku_opargs luargs;
 	int status;
 			
-	down_read(&clp->cl_sem);
 	status = nfs4_set_lock_state(state, request);
 	if (status != 0)
 		goto out;
@@ -2802,7 +2798,6 @@ static int _nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock
 out:
 	if (status == 0)
 		do_vfs_lock(request->fl_file, request);
-	up_read(&clp->cl_sem);
 	return status;
 }