diff options
| -rw-r--r-- | fs/btrfs/volumes.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index def9e25f87f2..28addea5b0f2 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -2676,14 +2676,6 @@ int btrfs_balance(struct btrfs_balance_control *bctl, } } - /* - * Profile changing sanity checks. Skip them if a simple - * balance is requested. - */ - if (!((bctl->data.flags | bctl->sys.flags | bctl->meta.flags) & - BTRFS_BALANCE_ARGS_CONVERT)) - goto do_balance; - allowed = BTRFS_AVAIL_ALLOC_BIT_SINGLE; if (fs_info->fs_devices->num_devices == 1) allowed |= BTRFS_BLOCK_GROUP_DUP; @@ -2693,24 +2685,27 @@ int btrfs_balance(struct btrfs_balance_control *bctl, allowed |= (BTRFS_BLOCK_GROUP_RAID0 | BTRFS_BLOCK_GROUP_RAID1 | BTRFS_BLOCK_GROUP_RAID10); - if (!alloc_profile_is_valid(bctl->data.target, 1) || - bctl->data.target & ~allowed) { + if ((bctl->data.flags & BTRFS_BALANCE_ARGS_CONVERT) && + (!alloc_profile_is_valid(bctl->data.target, 1) || + (bctl->data.target & ~allowed))) { printk(KERN_ERR "btrfs: unable to start balance with target " "data profile %llu\n", (unsigned long long)bctl->data.target); ret = -EINVAL; goto out; } - if (!alloc_profile_is_valid(bctl->meta.target, 1) || - bctl->meta.target & ~allowed) { + if ((bctl->meta.flags & BTRFS_BALANCE_ARGS_CONVERT) && + (!alloc_profile_is_valid(bctl->meta.target, 1) || + (bctl->meta.target & ~allowed))) { printk(KERN_ERR "btrfs: unable to start balance with target " "metadata profile %llu\n", (unsigned long long)bctl->meta.target); ret = -EINVAL; goto out; } - if (!alloc_profile_is_valid(bctl->sys.target, 1) || - bctl->sys.target & ~allowed) { + if ((bctl->sys.flags & BTRFS_BALANCE_ARGS_CONVERT) && + (!alloc_profile_is_valid(bctl->sys.target, 1) || + (bctl->sys.target & ~allowed))) { printk(KERN_ERR "btrfs: unable to start balance with target " "system profile %llu\n", (unsigned long long)bctl->sys.target); @@ -2718,7 +2713,8 @@ int btrfs_balance(struct btrfs_balance_control *bctl, goto out; } - if (bctl->data.target & BTRFS_BLOCK_GROUP_DUP) { + if ((bctl->data.flags & BTRFS_BALANCE_ARGS_CONVERT) && + (bctl->data.target & BTRFS_BLOCK_GROUP_DUP)) { printk(KERN_ERR "btrfs: dup for data is not allowed\n"); ret = -EINVAL; goto out; @@ -2744,7 +2740,6 @@ int btrfs_balance(struct btrfs_balance_control *bctl, } } -do_balance: ret = insert_balance_item(fs_info->tree_root, bctl); if (ret && ret != -EEXIST) goto out; |