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: Chris Mason <chris.mason@fusionio.com>

1 files changed, 0 insertions, 8 deletions

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index c372264b85bf..77620f2d8af9 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -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");