On Mon, 23 Feb 2026 05:20:00 -0800, Christoph Hellwig wrote: > this series adds support to generate and verify integrity information > (aka T10 PI) in the file system, instead of the automatic below the > covers support that is currently used. > > There two reasons for this: > > a) to increase the protection enveloped. Right now this is just a > minor step from the bottom of the block layer to the file system, > but it is required to support io_uring integrity data passthrough in > the file system similar to the currently existing support for block > devices, which will follow next. It also allows the file system to > directly see the integrity error and act upon in, e.g. when using > RAID either integrated (as in btrfs) or by supporting reading > redundant copies through the block layer. > b) to make the PI processing more efficient. This is primarily a > concern for reads, where the block layer auto PI has to schedule a > work item for each bio, and the file system them has to do it again > for bounce buffering. Additionally the current iomap post-I/O > workqueue handling is a lot more efficient by supporting merging and > avoiding workqueue scheduling storms. > > [...]
Applied to the vfs-7.1.verity branch of the vfs/vfs.git tree. Patches in the vfs-7.1.verity branch should appear in linux-next soon. Please report any outstanding bugs that were missed during review in a new review to the original patch series allowing us to drop it. It's encouraged to provide Acked-bys and Reviewed-bys even though the patch has now been applied. If possible patch trailers will be updated. Note that commit hashes shown below are subject to change due to rebase, trailer updates or similar. If in doubt, please check the listed branch. tree: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git branch: vfs-7.1.verity [01/16] block: factor out a bio_integrity_action helper https://git.kernel.org/vfs/vfs/c/08163237c7be [02/16] block: factor out a bio_integrity_setup_default helper https://git.kernel.org/vfs/vfs/c/32d5010c428f [03/16] block: add a bdev_has_integrity_csum helper https://git.kernel.org/vfs/vfs/c/840b166bef09 [04/16] block: prepare generation / verification helpers for fs usage https://git.kernel.org/vfs/vfs/c/179c2a24466b [05/16] block: make max_integrity_io_size public https://git.kernel.org/vfs/vfs/c/1b9353e52c31 [06/16] block: add fs_bio_integrity helpers https://git.kernel.org/vfs/vfs/c/e539fc923425 [07/16] block: pass a maxlen argument to bio_iov_iter_bounce https://git.kernel.org/vfs/vfs/c/fc9fc9482061 [08/16] iomap: refactor iomap_bio_read_folio_range https://git.kernel.org/vfs/vfs/c/9701407ec63e [09/16] iomap: pass the iomap_iter to ->submit_read https://git.kernel.org/vfs/vfs/c/f11d7d3307f4 [10/16] iomap: only call into ->submit_read when there is a read_ctx https://git.kernel.org/vfs/vfs/c/46441138b832 [11/16] iomap: allow file systems to hook into buffered read bio submission https://git.kernel.org/vfs/vfs/c/04c2cc5bb77b [12/16] ntfs3: remove copy and pasted iomap code https://git.kernel.org/vfs/vfs/c/4c3906772536 [13/16] iomap: add a bioset pointer to iomap_read_folio_ops https://git.kernel.org/vfs/vfs/c/c1dec831dd53 [14/16] iomap: support ioends for buffered reads https://git.kernel.org/vfs/vfs/c/9c617c91f801 [15/16] iomap: support T10 protection information https://git.kernel.org/vfs/vfs/c/fa1758bda166 [16/16] xfs: support T10 protection information https://git.kernel.org/vfs/vfs/c/330cc116c7a0
