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 421d338c698c..596c5d8e86f4 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 fca518006a52..2f285ef76399 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 f533318b005f..1293e0acd82b 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);
 }