git: cf523b815c78 - releng/13.1 - mrsas: remove additional MPT command allocation for R1 FP command

From: Warner Losh <imp_at_FreeBSD.org>
Date: Wed, 06 Apr 2022 17:46:13 UTC
The branch releng/13.1 has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=cf523b815c780f741b5f4b7d1cd1258d0118ad1f

commit cf523b815c780f741b5f4b7d1cd1258d0118ad1f
Author:     Chandrakanth Patil <chandrakanth.patil@broadcom.com>
AuthorDate: 2022-01-21 12:11:49 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2022-04-06 17:45:50 +0000

    mrsas: remove additional MPT command allocation for R1 FP command
    
    There is an additional MPT command allocation for R1 fp command which
    will lead to MPT command unavailablity in case of rigorous R1 FP IOs.
    
    Remove additional MPT command allocation for R1 FP.
    
    Approved by: re@ (gjb)
    Reviewed by: imp
    PR: 261377
    
    (cherry picked from commit 241bb95552a39d440519162b544c776adcb7cf57)
    (cherry picked from commit 2ebe51859723fd3cb4cf02dc560441fc0ec50dc1)
---
 sys/dev/mrsas/mrsas_cam.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/sys/dev/mrsas/mrsas_cam.c b/sys/dev/mrsas/mrsas_cam.c
index 85dacdb9f306..8841908051b8 100644
--- a/sys/dev/mrsas/mrsas_cam.c
+++ b/sys/dev/mrsas/mrsas_cam.c
@@ -1075,7 +1075,6 @@ mrsas_setup_io(struct mrsas_softc *sc, struct mrsas_mpt_cmd *cmd,
 		if (fp_possible &&
 				(io_info.r1_alt_dev_handle != MR_DEVHANDLE_INVALID) &&
 				(raid->level == 1) && !io_info.isRead) {
-			r1_cmd = mrsas_get_mpt_cmd(sc);
 			if (mrsas_atomic_inc_return(&sc->fw_outstanding) > sc->max_scsi_cmds) {
 				fp_possible = FALSE;
 				mrsas_atomic_dec(&sc->fw_outstanding);