On Mon, 06 Mar 2023 15:30:24 +0900, Shin'ichiro Kawasaki wrote:
> When sd driver revalidates host-managed SMR disks, it calls
> disk_set_zoned() which changes the zone_write_granularity attribute
> value to the logical block size regardless of the device type. After
> that, the sd driver overwrites the value in sd_zbc_read_zone() with
> the physical block size, since ZBC/ZAC requires it for the host-managed
> disks. Between the calls to disk_set_zoned() and sd_zbc_read_zone(),
> there exists a window that the attribute shows the logical block size as
> the zone_write_granularity value, which is wrong for the host-managed
> disks. The duration of the window is from 20ms to 200ms, depending on
> report zone command execution time.
>
> [...]
Applied to 6.3/scsi-fixes, thanks!
[1/1] scsi: sd: Fix wrong zone_write_granularity value at revalidate
https://git.kernel.org/mkp/scsi/c/288b3271d920
--
Martin K. Petersen Oracle Linux Engineering
