Ming Lei 0edb3696c1 ublk_drv: support to complete io command via task_work_add ...

Use task_work_add if it is available, since task_work_add can bring
up better performance, especially batching signaling ->ubq_daemon can
be done.

It is observed that task_work_add() can boost iops by +4% on random
4k io test. Also except for completing io command, all other code
paths are same with completing io command via
io_uring_cmd_complete_in_task.

Meantime add one flag of UBLK_F_URING_CMD_COMP_IN_TASK for comparing
the mode easily.

Signed-off-by: Ming Lei <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>

2022-07-14 07:15:48 -06:00

..

asm-generic

Merge tag 'tty-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

2022-06-03 11:08:40 -07:00

drm

drm/amdgpu: add AMDGPU_VM_NOALLOC v2

2022-05-26 14:56:34 -04:00

linux

ublk_drv: support to complete io command via task_work_add

2022-07-14 07:15:48 -06:00

misc

habanalabs: add support for notification via eventfd

2022-05-22 21:01:20 +02:00

mtd

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rdma

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scsi

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sound

ASoC: SOF: ipc: introduce cont_update_posn in sof_ipc_stream_params struct

2022-05-10 14:01:54 +01:00

video

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xen

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Kbuild

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