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Commit 0d4c24cc authored by Adam Radford's avatar Adam Radford Committed by James Bottomley
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[SCSI] megaraid_sas: Fix reglockFlags for degraded raid5/6 



The following patch for megaraid_sas fixes the reglockFlags field for
degraded raid5/6 for MR9360/9380, which will result in a performance
improvement.

Signed-off-by: default avatarAdam Radford <aradford@gmail.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 775bf277

drivers/scsi/megaraid/megaraid_sas_fp.c

+3 −1
Original line number Diff line number Diff line
@@ -282,7 +282,9 @@ u8 MR_GetPhyParams(struct megasas_instance *instance, u32 ld, u64 stripRow, 
	else {

		*pDevHandle = MR_PD_INVALID; /* set dev handle as invalid. */

		if ((raid->level >= 5) &&

		    (instance->pdev->device != PCI_DEVICE_ID_LSI_INVADER))

		    ((instance->pdev->device != PCI_DEVICE_ID_LSI_INVADER) ||

		     (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER &&

		      raid->regTypeReqOnRead != REGION_TYPE_UNUSED)))

			pRAID_Context->regLockFlags = REGION_TYPE_EXCLUSIVE;

		else if (raid->level == 1) {

			/* Get alternate Pd. */