On 04/01/2021 23:36, Darrick J. Wong wrote: > On Tue, Dec 22, 2020 at 12:48:55PM +0900, Naohiro Aota wrote: >> A ZONE_APPEND bio must follow hardware restrictions (e.g. not exceeding >> max_zone_append_sectors) not to be split. bio_iov_iter_get_pages builds >> such restricted bio using __bio_iov_append_get_pages if bio_op(bio) == >> REQ_OP_ZONE_APPEND. >> >> To utilize it, we need to set the bio_op before calling >> bio_iov_iter_get_pages(). This commit introduces IOMAP_F_ZONE_APPEND, so >> that iomap user can set the flag to indicate they want REQ_OP_ZONE_APPEND >> and restricted bio. >> >> Reviewed-by: Christoph Hellwig <hch@xxxxxx> >> Signed-off-by: Naohiro Aota <naohiro.aota@xxxxxxx> > > Looks fine to me too, > Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > > Do the authors intend this one patch to go into 5.12 via the iomap tree? > If we can't get the whole series into 5.12, this would be very nice. If David pulls the series I think it's more of a hassle for him, as the btrfs tree will have a dependency on the iomap tree. But I think this is something you and David have to decide.