From 816fcebe8f41051b29970e5baed4d4afe462d8a8 Mon Sep 17 00:00:00 2001
From: Anand Jain <Anand.Jain@oracle.com>
Date: Mon, 27 Apr 2015 12:46:18 +0800
Subject: [PATCH] Btrfs: log when missing device is created

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
---
 fs/btrfs/volumes.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 1fcbd93ca0ec..38d3a0f3bcdd 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -6109,6 +6109,8 @@ static int read_one_chunk(struct btrfs_root *root, struct btrfs_key *key,
 				free_extent_map(em);
 				return -EIO;
 			}
+			btrfs_warn(root->fs_info, "devid %llu uuid %pU is missing",
+						devid, uuid);
 		}
 		map->stripes[i].dev->in_fs_metadata = 1;
 	}
-- 
2.39.5