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(parent: 69278f7) | patch
ahci: enable full queue depth of 32
authorJens Axboe <axboe@kernel.dk>
Fri, 11 May 2018 18:51:11 +0000 (12:51 -0600)
committerTejun Heo <tj@kernel.org>
Fri, 11 May 2018 20:10:44 +0000 (13:10 -0700)
commite2d1f8a06e8af1e1e4b339f2afb66233aeb16136
tree7bb899cc415d1a6434d2df28c41823e91ea1d71ftree | snapshot
parent69278f790b60ec6657b76061357d5d180524c588commit | diff
ahci: enable full queue depth of 32

This changes the AHCI queue depth from 31 to 32, as libata now
fully supports it. Now regular IO requests can utilize the full
tag space of SATA, not just 31. For IOPS constrained workloads,
this can result in a ~3% bump in performance.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Tejun Heo <tj@kernel.org>
drivers/ata/ahci.h diff | blob | history
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