On Fri, Aug 19, 2022 at 08:01:08PM +0800, Qu Wenruo wrote: > This is the backport for v5.10.x stable branch. > > The full explananation can be found here: > https://lore.kernel.org/linux-btrfs/cover.1660891713.git.wqu@xxxxxxxx/ > > Difference between v5.10.x and v5.15.x backports: > > - Naming change in btrfs_io_contrl > In v5.15, we don't have the btrfs_io_contrl rename, thus only > btrfs_bio. > > - Missing btrfs_fs_info::sectorsize_bits > Since RAID56 doesn't support anything but PAGE_SIZE == sectorsize > (until v5.19+), here we just use PAGE_SHIFT. > > Another thing related to v5.10.x testing is, there are some lockdep > assert triggered related to uuid_mutex. > > I'm not 100% sure, but at least RAID56 code is not touching that mutex, > thus I guess it's some other problems. > > Qu Wenruo (2): > btrfs: only write the sectors in the vertical stripe which has data > stripes > btrfs: raid56: don't trust any cached sector in > __raid56_parity_recover() > > fs/btrfs/raid56.c | 74 ++++++++++++++++++++++++++++++++++++----------- > 1 file changed, 57 insertions(+), 17 deletions(-) > > -- > 2.37.1 > Now queued up, thanks. greg k-h
