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[v4,10/10] Btrfs, replace: enable dev-replace for raid56

Message ID 1417523971-15553-11-git-send-email-miaox@cn.fujitsu.com (mailing list archive)
State Accepted
Headers show

Commit Message

Miao Xie Dec. 2, 2014, 12:39 p.m. UTC 
From: Zhao Lei <zhaolei@cn.fujitsu.com>

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
---
Changelog v1 -> v4:
- None.
---
 fs/btrfs/dev-replace.c | 5 -----
 1 file changed, 5 deletions(-)
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Patch

diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 326919b..51133ea 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -316,11 +316,6 @@  int btrfs_dev_replace_start(struct btrfs_root *root,
 	struct btrfs_device *tgt_device = NULL;
 	struct btrfs_device *src_device = NULL;
 
-	if (btrfs_fs_incompat(fs_info, RAID56)) {
-		btrfs_warn(fs_info, "dev_replace cannot yet handle RAID5/RAID6");
-		return -EOPNOTSUPP;
-	}
-
 	switch (args->start.cont_reading_from_srcdev_mode) {
 	case BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_ALWAYS:
 	case BTRFS_IOCTL_DEV_REPLACE_CONT_READING_FROM_SRCDEV_MODE_AVOID: