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| author | adam radford <aradford@gmail.com> | 2012-01-06 17:02:26 -0800 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-01-16 11:26:49 +0400 |
| commit | 0d4c24cc1bf62e75fdb31e73c68daa50e0877564 (patch) | |
| tree | 6c141d870914d01bba1557bf10785528f41aa13b | |
| parent | 775bf2773858c50d2acfcdf71889984be94e7037 (diff) | |
| download | op-kernel-dev-0d4c24cc1bf62e75fdb31e73c68daa50e0877564.zip op-kernel-dev-0d4c24cc1bf62e75fdb31e73c68daa50e0877564.tar.gz | |
[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: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fp.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c index 5255dd6..294abb0 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fp.c +++ b/drivers/scsi/megaraid/megaraid_sas_fp.c @@ -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. */ |
