On Wed, Dec 11, 2024 at 09:53:40AM +0100, Christoph Hellwig wrote: > Hi all, > > this series contains the iomap prep work to support zoned XFS. > > The biggest changes are: > > - an option to reuse the ioend code for direct writes in addition to the > current use for buffered writeback, which allows the file system to > track completions on a per-bio basis instead of the current end_io > callback which operates on the entire I/O. > Note that it might make sense to split the ioend code from > buffered-io.c into its own file with this. Let me know what you think > of that and I can include it in the next version > - change of the writeback_ops so that the submit_bio call can be done by > the file system. Note that btrfs will also need this eventually when > it starts using iomap > - helpers to split ioend to the zone append queue_limits that plug > into the previous item above. > - a bunch of changes for slightly different merge conditions when using > zone append. Note that btrfs wants something similar also for > compressed I/O, which might be able to share some code. For now > the flags use zone append naming, but we can change that if it gets > used elsewhere. > - passing private data to a few more helper > > The XFS changes to use this will be posted to the xfs list only to not > spam fsdevel too much. > Orthogonal to the couple or so questions inline, the series LGTM: Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
