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. Thanks, Mike
