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btrfs: fix EIO misuse to report missing degraded option

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EIO is only for the IO failure to the device, avoid it. Use ENOENT as
that's the closest error code describing what happened.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ update changelog ]
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Anand Jain 2017-10-09 11:07:44 +08:00 committed by David Sterba
parent adfb69af7d
commit 45dbdbc9f6
1 changed files with 3 additions and 3 deletions
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6
fs/btrfs/volumes.c
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@ -6437,7 +6437,7 @@ 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 =
@ -6570,7 +6570,7 @@ 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);
@ -6585,7 +6585,7 @@ 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) {