Commit c81d5767 authored by Gui Hecheng's avatar Gui Hecheng Committed by Chris Mason

btrfs: replace EINVAL with EOPNOTSUPP for dev_replace raid56

To return EOPNOTSUPP is more user friendly than to return EINVAL,
and then user-space tool will show that the dev_replace operation
for raid56 is not currently supported rather than showing that
there is an invalid argument.
Signed-off-by: default avatarGui Hecheng <guihc.fnst@cn.fujitsu.com>
Signed-off-by: default avatarChris Mason <clm@fb.com>
parent 93915584
...@@ -313,7 +313,7 @@ int btrfs_dev_replace_start(struct btrfs_root *root, ...@@ -313,7 +313,7 @@ int btrfs_dev_replace_start(struct btrfs_root *root,
if (btrfs_fs_incompat(fs_info, RAID56)) { if (btrfs_fs_incompat(fs_info, RAID56)) {
btrfs_warn(fs_info, "dev_replace cannot yet handle RAID5/RAID6"); btrfs_warn(fs_info, "dev_replace cannot yet handle RAID5/RAID6");
return -EINVAL; return -EOPNOTSUPP;
} }
switch (args->start.cont_reading_from_srcdev_mode) { switch (args->start.cont_reading_from_srcdev_mode) {
......
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