[PATCH v2 2/4] btrfs: fix EIO misuse to report missing degraded option

[Anand Jain <anand.jain@oracle.com>]

EIO is only for the IO failure to the device, avoid it.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
---
v2: This patch is renamed from
     [PATCH 1/2] btrfs: fix read_one_chunk() return error code

 fs/btrfs/volumes.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 2f500a32089e..844ae25cff9e 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -6448,7 +6448,7 @@ static int read_one_chunk(struct btrfs_fs_info *fs_info, struct btrfs_key *key,
 		    !btrfs_test_opt(fs_info, DEGRADED)) {
 			free_extent_map(em);
 			btrfs_report_missing_device(fs_info, devid, uuid);
-			return -EIO;
+			return -ENOENT;
 		}
 		if (!map->stripes[i].dev) {
 			map->stripes[i].dev =
@@ -6581,7 +6581,7 @@ static int read_one_dev(struct btrfs_fs_info *fs_info,
 	if (!device) {
 		if (!btrfs_test_opt(fs_info, DEGRADED)) {
 			btrfs_report_missing_device(fs_info, devid, dev_uuid);
-			return -EIO;
+			return -ENOENT;
 		}
 
 		device = add_missing_dev(fs_devices, devid, dev_uuid);
@@ -6592,7 +6592,7 @@ static int read_one_dev(struct btrfs_fs_info *fs_info,
 		if (!device->bdev) {
 			btrfs_report_missing_device(fs_info, devid, dev_uuid);
 			if (!btrfs_test_opt(fs_info, DEGRADED))
-				return -EIO;
+				return -ENOENT;
 		}
 
 		if(!device->bdev && !device->missing) {
-- 
2.7.0