On 6/2/21 12:32 PM, Mike Snitzer wrote: > On Tue, Jun 01 2021 at 6:57P -0400, > Damien Le Moal <Damien.LeMoal@xxxxxxx> wrote: > >> On 2021/05/26 6:25, Damien Le Moal wrote: >>> This series improve device mapper support for zoned block devices and >>> of targets exposing a zoned device. >> >> Mike, Jens, >> >> Any feedback regarding this series ? >> >>> >>> The first patch improve support for user requests to reset all zones of >>> the target device. With the fix, such operation behave similarly to >>> physical block devices implementation based on the single zone reset >>> command with the ALL bit set. >>> >>> The following 2 patches are preparatory block layer patches. >>> >>> Patch 4 and 5 are 2 small fixes to DM core zoned block device support. >>> >>> Patch 6 reorganizes DM core code, moving conditionally defined zoned >>> block device code into the new dm-zone.c file. This avoids sprinkly DM >>> with zone related code defined under an #ifdef CONFIG_BLK_DEV_ZONED. >>> >>> Patch 7 improves DM zone report helper functions for target drivers. >>> >>> Patch 8 fixes a potential problem with BIO requeue on zoned target. >>> >>> Finally, patch 9 to 11 implement zone append emulation using regular >>> writes for target drivers that cannot natively support this BIO type. >>> The only target currently needing this emulation is dm-crypt. With this >>> change, a zoned dm-crypt device behaves exactly like a regular zoned >>> block device, correctly executing user zone append BIOs. >>> >>> This series passes the following tests: >>> 1) zonefs tests on top of dm-crypt with a zoned nullblk device >>> 2) zonefs tests on top of dm-crypt+dm-linear with an SMR HDD >>> 3) btrfs fstests on top of dm-crypt with zoned nullblk devices. >>> >>> Comments are as always welcome. > > I've picked up DM patches 4-8 because they didn't depend on the first > 3 block patches. > > But I'm fine with picking up 1-3 if Jens provides his Acked-by. > And then I can pickup the remaining DM patches 9-11. I'm fine with 1-3, you can add my Acked-by to those. -- Jens Axboe
