MFV r348573: 9993 zil writes can get delayed in zio pipeline

illumos/illumos-gate@2258ad0b75

Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Reviewed by: Brad Lewis <brad.lewis@delphix.com>
Reviewed by: Matt Ahrens <matt@delphix.com>
Approved by: Dan McDonald <danmcd@joyent.com>
Author:     George Wilson <george.wilson@delphix.com>
This commit is contained in:
Alexander Motin 2019-06-03 19:25:53 +00:00
commit c9719c9a6d

View File

@ -1614,7 +1614,8 @@ zio_taskq_dispatch(zio_t *zio, zio_taskq_type_t q, boolean_t cutinline)
* If this is a high priority I/O, then use the high priority taskq if
* available.
*/
if (zio->io_priority == ZIO_PRIORITY_NOW &&
if ((zio->io_priority == ZIO_PRIORITY_NOW ||
zio->io_priority == ZIO_PRIORITY_SYNC_WRITE) &&
spa->spa_zio_taskq[t][q + 1].stqs_count != 0)
q++;