On Wed, Apr 16, 2025 at 12:45:39PM -0600, Jens Axboe wrote: > On 4/15/25 9:54 PM, Ming Lei wrote: > > Hello, > > > > Patch 1st ~ 7th simplifies & improves IO canceling when ublk server daemon > > is exiting by taking two stage canceling: > > > > - canceling active uring_cmd from its cancel function > > > > - move inflight requests aborting into ublk char device release handler > > > > With this way, implementation is simplified a lot, meantime ub->mutex is > > not required before queue becomes quiesced, so forward progress is > > guaranteed. > > > > This approach & main implementation is from Uday's patch of > > "improve detection and handling of ublk server exit". > > > > The last patch is selftest code for showing the improvement ublk server > > exit, 30sec timeout is avoided, which depends on patchset of > > "[PATCH V2 00/13] selftests: ublk: test cleanup & add more tests"[1]. > > > > [1] https://lore.kernel.org/linux-block/20250412023035.2649275-1-ming.lei@xxxxxxxxxx/T/#medbf7024e57beaf1c53e4cef6e076421463839d0 > > > > Pass both ublk kernel selftests and ublksrv 'make test T=generic'. > > Looks good to me - what are we targeting with this patchset? I think > an argument could be made for 6.15, curious what you're thinking? I am fine with either 6.15 or 6.16. Thanks, Ming