nfs: path_{get,put}() cleanups

Here are some more places where path_{get,put}() can be used instead of
dput()/mntput() pair.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

3 files changed, 4 insertions, 8 deletions

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 421d338..596c5d8 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -541,8 +541,7 @@ static void __put_nfs_open_context(struct nfs_open_context *ctx, int wait)
 	}
 	if (ctx->cred != NULL)
 		put_rpccred(ctx->cred);
-	dput(ctx->path.dentry);
-	mntput(ctx->path.mnt);
+	path_put(&ctx->path);
 	kfree(ctx);
 }
 
diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index fca5180..2f285ef 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -137,8 +137,7 @@ static void * nfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd)
 			goto out_follow;
 		goto out_err;
 	}
-	mntput(nd->path.mnt);
-	dput(nd->path.dentry);
+	path_put(&nd->path);
 	nd->path.mnt = mnt;
 	nd->path.dentry = dget(mnt->mnt_root);
 	schedule_delayed_work(&nfs_automount_task, nfs_mountpoint_expiry_timeout);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index f533318..1293e0a 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -306,8 +306,7 @@ static void nfs4_opendata_free(struct kref *kref)
 		nfs4_put_open_state(p->state);
 	nfs4_put_state_owner(p->owner);
 	dput(p->dir);
-	dput(p->path.dentry);
-	mntput(p->path.mnt);
+	path_put(&p->path);
 	kfree(p);
 }
 
@@ -1210,8 +1209,7 @@ static void nfs4_free_closedata(void *data)
 	nfs4_put_open_state(calldata->state);
 	nfs_free_seqid(calldata->arg.seqid);
 	nfs4_put_state_owner(sp);
-	dput(calldata->path.dentry);
-	mntput(calldata->path.mnt);
+	path_put(&calldata->path);
 	kfree(calldata);
 }