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(parent: 7c29daf) | patch
ahci: enable full queue depth of 32 libata-qd32
authorJens Axboe <axboe@kernel.dk>
Fri, 11 May 2018 16:07:50 +0000 (10:07 -0600)
committerJens Axboe <axboe@kernel.dk>
Fri, 11 May 2018 18:56:44 +0000 (12:56 -0600)
commitec0a5acab9433e9d7af1611a27fe1eab786d0d37
tree598e11a8978657bfc67ff21fe6f38f585519454ctree
parent7c29dafeecec318dad9c4bc4dcfc911d837d8b35commit | 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>
drivers/ata/ahci.h diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)