Eric Lee / smarc-ti-linux-kernel

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Commit 0d4c24cc1bf62e75fdb31e73c68daa50e0877564

Authored by adam radford
Committed by James Bottomley
1 parent 775bf27738
Exists in master and in 20 other branches dlt-processor-sdk-linux-03.00.00.04, newt-ti-linux-3.12.y, processor-sdk-linux-01.00.00, processor-sdk-linux-02.00.01, smarc-ti-linux-3.12.10, smarc-ti-linux-3.12.y, smarc-ti-linux-3.14.y, smarc-ti-linux-3.15.y, smarc-ti-lsk-linux-4.1.y, smarct3x-processor-sdk-04.01.00.06, smarct3x-processor-sdk-linux-02.00.01, smarct3x-processor-sdk-linux-03.00.00.04, smarct4x-800-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-04.01.00.06, smarct4x-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-linux-03.00.00.04, ti-linux-3.12.y, ti-linux-3.14.y, ti-linux-3.15.y, ti-lsk-linux-4.1.y

[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>

Showing 1 changed file with 3 additions and 1 deletions Side-by-side Diff

drivers/scsi/megaraid/megaraid_sas_fp.c
Diff comments   View file @ 0d4c24c
... ... @@ -282,7 +282,9 @@
282 282 else {
283 283 *pDevHandle = MR_PD_INVALID; /* set dev handle as invalid. */
284 284 if ((raid->level >= 5) &&
285   - (instance->pdev->device != PCI_DEVICE_ID_LSI_INVADER))
  285 + ((instance->pdev->device != PCI_DEVICE_ID_LSI_INVADER) ||
  286 + (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER &&
  287 + raid->regTypeReqOnRead != REGION_TYPE_UNUSED)))
286 288 pRAID_Context->regLockFlags = REGION_TYPE_EXCLUSIVE;
287 289 else if (raid->level == 1) {
288 290 /* Get alternate Pd. */