On 6/18/25 2:07 PM, John Garry wrote: > This value in io_min is used to configure any atomic write limit for the > stacked device. The idea is that the atomic write unit max is a > power-of-2 factor of the stripe size, and the stripe size is available > in io_min. > > Using io_min causes issues, as: > a. it may be mutated > b. the check for io_min being set for determining if we are dealing with > a striped device is hard to get right, as reported in [0]. > > This series now sets chunk_sectors limit to share stripe size. > > [0] https://lore.kernel.org/linux-block/888f3b1d-7817-4007-b3b3-1a2ea04df771@xxxxxxxxxxxxx/T/#mecca17129f72811137d3c2f1e477634e77f06781 > > Based on v6.16-rc2 I have validated this patchset using an NVMe disk supporting atomic write and native NVMe multipath. I have also validated dm-stripe and raid configuration. Overall the patchset looks good to me and fixes the issue I posted[1] earlier with my NVMe disk. [1]: https://lore.kernel.org/linux-block/888f3b1d-7817-4007-b3b3-1a2ea04df771@xxxxxxxxxxxxx/T/#mecca17129f72811137d3c2f1e477634e77f06781 Thanks, --Nilay
