From 33b97e43279a60729eee502809cf5269b3a64cf3 Mon Sep 17 00:00:00 2001
From: Anand Jain <Anand.Jain@oracle.com>
Date: Fri, 8 May 2015 04:34:35 +0800
Subject: Btrfs: check error before reporting missing device and add uuid

Report missing device when add is successful,
otherwise it would exit as ENOMEM. And add uuid
to the report.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 38d3a0f3..403ed1f 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -6230,10 +6230,11 @@ static int read_one_dev(struct btrfs_root *root,
 		if (!btrfs_test_opt(root, DEGRADED))
 			return -EIO;
 
-		btrfs_warn(root->fs_info, "devid %llu missing", devid);
 		device = add_missing_dev(root, fs_devices, devid, dev_uuid);
 		if (!device)
 			return -ENOMEM;
+		btrfs_warn(root->fs_info, "devid %llu uuid %pU missing",
+				devid, dev_uuid);
 	} else {
 		if (!device->bdev && !btrfs_test_opt(root, DEGRADED))
 			return -EIO;
-- 
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