Jens, On 2018/10/14 7:43, Jens Axboe wrote: > On 10/12/18 4:08 AM, Damien Le Moal wrote: >> This series improves zoned block device support (reduce overhead) and >> introduces many simplifications to the code (overall, there are more deletions >> than insertions). >> >> In more details: >> * Patches 1 to 3 are SCSI side (sd driver) cleanups and improvements reducing >> the overhead of report zones command execution during disk scan and >> revalidation. >> * Patches 4 to 9 improve the useability and user API of zoned block devices. >> * Patch 10 is the main part of this series. This patch replaces the >> REQ_OP_ZONE_REPORT BIO/request operation for executing report zones commands >> with a block device file operation, removing the need for the command reply >> payload in-place rewriting in the BIO buffer. This leads to major >> simplification of the code in many places. >> * Patch 11 further simplifies the code of low level drivers by providing a >> generic implementation of zoned block device request queue zone bitmaps >> initialization and revalidation. >> >> Please consider the addition of these patches in 4.20. >> Comments are as always welcome. > > How do we want to funnel this series? 1-3 look separate, so perhaps they > should go through the scsi tree. Then I can take the rest. Or do some > of the later ones depend on 1-3 being in, in terms of applying cleanly? > I can also take all of them, looks like only #3 needs a SCSI ack. Patch 10 and 11 will not apply cleanly for the scsi part without 1-3 in first. 1-3, 10 and 11 would need an ack/review from Martin (SCSI). And 10-11 also probably need an ack/review from Mike for the DM changes. Best regards. -- Damien Le Moal Western Digital Research -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
