Introduce path_put()

* Add path_put() functions for releasing a reference to the dentry and
  vfsmount of a struct path in the right order

* Switch from path_release(nd) to path_put(&nd->path)

* Rename dput_path() to path_put_conditional()

[akpm@linux-foundation.org: fix cifs]
Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Acked-by: Christoph Hellwig <hch@lst.de>
Cc: <linux-fsdevel@vger.kernel.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Steven French <sfrench@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 2d1d6ac..6841452 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -2027,20 +2027,20 @@
 		return err;
 	/* Quotafile not on the same filesystem? */
 	if (nd.path.mnt->mnt_sb != sb) {
-		path_release(&nd);
+		path_put(&nd.path);
 		return -EXDEV;
 	}
 	/* We must not pack tails for quota files on reiserfs for quota IO to work */
 	if (!REISERFS_I(nd.path.dentry->d_inode)->i_flags & i_nopack_mask) {
 		reiserfs_warning(sb,
 				 "reiserfs: Quota file must have tail packing disabled.");
-		path_release(&nd);
+		path_put(&nd.path);
 		return -EINVAL;
 	}
 	/* Not journalling quota? No more tests needed... */
 	if (!REISERFS_SB(sb)->s_qf_names[USRQUOTA] &&
 	    !REISERFS_SB(sb)->s_qf_names[GRPQUOTA]) {
-		path_release(&nd);
+		path_put(&nd.path);
 		return vfs_quota_on(sb, type, format_id, path);
 	}
 	/* Quotafile not of fs root? */
@@ -2048,7 +2048,7 @@
 		reiserfs_warning(sb,
 				 "reiserfs: Quota file not on filesystem root. "
 				 "Journalled quota will not work.");
-	path_release(&nd);
+	path_put(&nd.path);
 	return vfs_quota_on(sb, type, format_id, path);
 }