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(parent: 8105d39) | patch
scsi: aacraid: Added 32 and 64 queue depth for arc natives
authorRaghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Wed, 10 May 2017 16:39:37 +0000 (09:39 -0700)
committerMartin K. Petersen <martin.petersen@oracle.com>
Tue, 13 Jun 2017 00:47:59 +0000 (20:47 -0400)
commitd58129c96b3cde4821763b08b5f1bba17f031138
treea834256035fb0b311288d0032d63ba24bd28b4d9tree | snapshot (tar.gz zip)
parent8105d39d0e7600ebbcce5827c11f15bf77c73af5commit | diff
scsi: aacraid: Added 32 and 64 queue depth for arc natives

The qd for ARC Native disks is calculated by dividing the max IO 1024
by the number of disks or 256 which ever is lower. This causes poor
disk IO performance.

The fix is set the qd based on the type of disk (SAS - 64 and SATA -
32).

Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Reviewed-by: David Carroll <david.carroll@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/aacraid/aacraid.h diff | blob | blame | history
drivers/scsi/aacraid/linit.c diff | blob | blame | history