Commit 1f0905ec authored by Chris Mason's avatar Chris Mason
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Btrfs: remove conflicting check for minimum number of devices in raid56 



The device removal code was incorrectly checking against two different limits for
raid5 and raid6.

Signed-off-by: default avatarChris Mason <chris.mason@fusionio.com>
parent 10e78e3a

fs/btrfs/volumes.c

+0 −8
Original line number Diff line number Diff line
@@ -1392,14 +1392,6 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path) 
	}

	btrfs_dev_replace_unlock(&root->fs_info->dev_replace);



	if ((all_avail & (BTRFS_BLOCK_GROUP_RAID5 |

			  BTRFS_BLOCK_GROUP_RAID6) && num_devices <= 3)) {

		printk(KERN_ERR "btrfs: unable to go below three devices "

		       "on raid5 or raid6\n");

		ret = -EINVAL;

		goto out;

	}



	if ((all_avail & BTRFS_BLOCK_GROUP_RAID10) && num_devices <= 4) {

		printk(KERN_ERR "btrfs: unable to go below four devices "

		       "on raid10\n");