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authorGui Hecheng2014-06-05 04:02:51 +0200
committerChris Mason2014-06-10 02:21:12 +0200
commitc81d57679ee4b87a5b50e9afe4e5d1866d08b9ad (patch)
tree3aa34ebc64c9c1233752a01918f80c0c8f0baefd /fs
parenttrivial: fs/btrfs/ioctl.c: fix typo s/substract/subtract/ (diff)
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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: Gui Hecheng <guihc.fnst@cn.fujitsu.com> Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/dev-replace.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 9f2290509aca..2af6e66fe788 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -313,7 +313,7 @@ int btrfs_dev_replace_start(struct btrfs_root *root,
if (btrfs_fs_incompat(fs_info, RAID56)) {
btrfs_warn(fs_info, "dev_replace cannot yet handle RAID5/RAID6");
- return -EINVAL;
+ return -EOPNOTSUPP;
}
switch (args->start.cont_reading_from_srcdev_mode) {