From afe6c27ccb8cc31ce8ed0bd3589ce549f523c8e7 Mon Sep 17 00:00:00 2001
From: Alexandros Batsakis <batsakis@netapp.com>
Date: Wed, 9 Dec 2009 01:50:14 -0800
Subject: nfs: change nfs4_do_setlk params to identify recovery type

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

diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 7e57b04..e8791d5 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -108,6 +108,10 @@ enum {
 	NFS_OWNER_RECLAIM_NOGRACE
 };
 
+#define NFS_LOCK_NEW		0
+#define NFS_LOCK_RECLAIM	1
+#define NFS_LOCK_EXPIRED	2
+
 /*
  * struct nfs4_state maintains the client-side state for a given
  * (state_owner,inode) tuple (OPEN) or state_owner (LOCK).
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 297e233..d44f107 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -4002,7 +4002,7 @@ static const struct rpc_call_ops nfs4_lock_ops = {
 	.rpc_release = nfs4_lock_release,
 };
 
-static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *fl, int reclaim)
+static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *fl, int recovery_type)
 {
 	struct nfs4_lockdata *data;
 	struct rpc_task *task;
@@ -4026,8 +4026,8 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f
 		return -ENOMEM;
 	if (IS_SETLKW(cmd))
 		data->arg.block = 1;
-	if (reclaim != 0)
-		data->arg.reclaim = 1;
+	if (recovery_type == NFS_LOCK_RECLAIM)
+			data->arg.reclaim = NFS_LOCK_RECLAIM;
 	msg.rpc_argp = &data->arg,
 	msg.rpc_resp = &data->res,
 	task_setup_data.callback_data = data;
@@ -4054,7 +4054,7 @@ static int nfs4_lock_reclaim(struct nfs4_state *state, struct file_lock *request
 		/* Cache the lock if possible... */
 		if (test_bit(NFS_DELEGATED_STATE, &state->flags) != 0)
 			return 0;
-		err = _nfs4_do_setlk(state, F_SETLK, request, 1);
+		err = _nfs4_do_setlk(state, F_SETLK, request, NFS_LOCK_RECLAIM);
 		if (err != -NFS4ERR_DELAY)
 			break;
 		nfs4_handle_exception(server, err, &exception);
@@ -4074,7 +4074,7 @@ static int nfs4_lock_expired(struct nfs4_state *state, struct file_lock *request
 	do {
 		if (test_bit(NFS_DELEGATED_STATE, &state->flags) != 0)
 			return 0;
-		err = _nfs4_do_setlk(state, F_SETLK, request, 0);
+		err = _nfs4_do_setlk(state, F_SETLK, request, NFS_LOCK_EXPIRED);
 		switch (err) {
 		default:
 			goto out;
@@ -4110,7 +4110,7 @@ static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock
 		status = do_vfs_lock(request->fl_file, request);
 		goto out_unlock;
 	}
-	status = _nfs4_do_setlk(state, cmd, request, 0);
+	status = _nfs4_do_setlk(state, cmd, request, NFS_LOCK_NEW);
 	if (status != 0)
 		goto out_unlock;
 	/* Note: we always want to sleep here! */
@@ -4193,7 +4193,7 @@ int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl)
 	if (err != 0)
 		goto out;
 	do {
-		err = _nfs4_do_setlk(state, F_SETLK, fl, 0);
+		err = _nfs4_do_setlk(state, F_SETLK, fl, NFS_LOCK_NEW);
 		switch (err) {
 			default:
 				printk(KERN_ERR "%s: unhandled error %d.\n",
-- 
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