From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Thu, 3 Dec 2009 13:09:56 +0000 (-0500)
Subject: NFS: BKL removal from the mount code...
X-Git-Tag: firefly_0821_release~9833^2~3867^2^2~43^2~20
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=96f287b0cf512ee537826943c15b0b8647472f70;p=firefly-linux-kernel-4.4.55.git

NFS: BKL removal from the mount code...

None of the code in nfs_umount_begin() or nfs_remount() has any BKL
dependency.

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

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 90be551b80c1..f0188eaf3726 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -714,8 +714,6 @@ static void nfs_umount_begin(struct super_block *sb)
 	struct nfs_server *server;
 	struct rpc_clnt *rpc;
 
-	lock_kernel();
-
 	server = NFS_SB(sb);
 	/* -EIO all pending I/O */
 	rpc = server->client_acl;
@@ -724,8 +722,6 @@ static void nfs_umount_begin(struct super_block *sb)
 	rpc = server->client;
 	if (!IS_ERR(rpc))
 		rpc_killall_tasks(rpc);
-
-	unlock_kernel();
 }
 
 static struct nfs_parsed_mount_data *nfs_alloc_parsed_mount_data(unsigned int version)
@@ -1881,7 +1877,6 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data)
 	if (data == NULL)
 		return -ENOMEM;
 
-	lock_kernel();
 	/* fill out struct with values from existing mount */
 	data->flags = nfss->flags;
 	data->rsize = nfss->rsize;
@@ -1907,7 +1902,6 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data)
 	error = nfs_compare_remount_data(nfss, data);
 out:
 	kfree(data);
-	unlock_kernel();
 	return error;
 }