On Wed, Jun 07, 2023 at 07:50:25PM -0400, Mike Snitzer wrote: > Do you think you're OK to scope out, and/or implement, the XFS changes > if you use v7 of this patchset as the starting point? (v8 should just > be v7 minus the dm-thin.c and dm-snap.c changes). The thinp > support in v7 will work enough to allow XFS to issue REQ_OP_PROVISION > and/or fallocate (via mkfs.xfs) to dm-thin devices. Yup, XFS only needs blkdev_issue_provision() and bdev_max_provision_sectors() to be present. filesystem code. The initial XFS provisioning detection and fallocate() support is just under 50 lines of new code... Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx
