From: Chris Mason <chris.mason@oracle.com>
Date: Fri, 16 May 2008 17:14:57 +0000 (-0400)
Subject: Btrfs: Handle transid == 0 while opening devices
X-Git-Tag: v2.6.29-rc1~27^2~9^2~55^2~56^2~30^2~168
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=6af5ac3c1aede574acde5fc477f1a1c876fb568e;p=linux-2.6-omap-h63xx.git

Btrfs: Handle transid == 0 while opening devices

Signed-off-by: Chris Mason <chris.mason@oracle.com>
---

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 501d23d3ebf..3fbf0834e88 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -262,7 +262,7 @@ int btrfs_open_devices(struct btrfs_fs_devices *fs_devices,
 			goto error_brelse;
 
 		transid = btrfs_super_generation(disk_super);
-		if (transid > latest_transid) {
+		if (!latest_transid || transid > latest_transid) {
 			latest_devid = devid;
 			latest_transid = transid;
 			latest_bdev = bdev;