From: Miklos Szeredi <mszeredi@suse.cz>
Date: Thu, 20 Nov 2014 15:40:02 +0000 (+0100)
Subject: ovl: ovl_dir_fsync() cleanup
X-Git-Tag: v4.14-rc1~6454^2^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7676895f4736421ebafc48de5078e25ea69e88ee;p=platform%2Fkernel%2Flinux-rpi.git

ovl: ovl_dir_fsync() cleanup

Check against !OVL_PATH_LOWER instead of OVL_PATH_MERGE.  For a copied up
directory the two are currently equivalent.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---

diff --git a/fs/overlayfs/readdir.c b/fs/overlayfs/readdir.c
index 7299e96..ab1e3dc 100644
--- a/fs/overlayfs/readdir.c
+++ b/fs/overlayfs/readdir.c
@@ -450,10 +450,10 @@ static int ovl_dir_fsync(struct file *file, loff_t start, loff_t end,
 	/*
 	 * Need to check if we started out being a lower dir, but got copied up
 	 */
-	if (!od->is_upper && ovl_path_type(dentry) == OVL_PATH_MERGE) {
+	if (!od->is_upper && ovl_path_type(dentry) != OVL_PATH_LOWER) {
 		struct inode *inode = file_inode(file);
 
-		realfile =lockless_dereference(od->upperfile);
+		realfile = lockless_dereference(od->upperfile);
 		if (!realfile) {
 			struct path upperpath;