Re: [PATCH v5 15/18] btrfs: introduce subpage metadata validation check
From: Josef Bacik <josef@toxicpanda.com>
Date: 2021-01-27 16:49:09
From: Josef Bacik <josef@toxicpanda.com>
Date: 2021-01-27 16:49:09
On 1/26/21 3:33 AM, Qu Wenruo wrote:
For subpage metadata validation check, there are some differences: - Read must finish in one bvec Since we're just reading one subpage range in one page, it should never be split into two bios nor two bvecs. - How to grab the existing eb Instead of grabbing eb using page->private, we have to go search radix tree as we don't have any direct pointer at hand. Signed-off-by: Qu Wenruo <redacted> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com> Thanks, Josef