btrfs: raid56: simplify code flow in rmw_rbio

Remove the write goto label by moving the data page allocation and data
read into the branch.

Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Christoph Hellwig 2023-01-11 07:23:26 +01:00 • committed by David Sterba
commit 4d7627010b