* FAILED: patch "[PATCH] scsi: lpfc: Remove extra atomic_inc on cmd_pending in" failed to apply to 5.15-stable tree
@ 2022-08-13 13:26 gregkh
0 siblings, 0 replies; only message in thread
From: gregkh @ 2022-08-13 13:26 UTC (permalink / raw)
To: jsmart2021, justin.tee, martin.petersen, stable; +Cc: stable
The patch below does not apply to the 5.15-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 0948a9c5386095baae4012190a6b65aba684a907 Mon Sep 17 00:00:00 2001
From: James Smart <jsmart2021@gmail.com>
Date: Fri, 1 Jul 2022 14:14:17 -0700
Subject: [PATCH] scsi: lpfc: Remove extra atomic_inc on cmd_pending in
queuecommand after VMID
VMID introduced an extra increment of cmd_pending, causing double-counting
of the I/O. The normal increment ios performed in lpfc_get_scsi_buf.
Link: https://lore.kernel.org/r/20220701211425.2708-5-jsmart2021@gmail.com
Fixes: 33c79741deaf ("scsi: lpfc: vmid: Introduce VMID in I/O path")
Cc: <stable@vger.kernel.org> # v5.14+
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index ba5e4016262e..084c0f9fdc3a 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -5456,7 +5456,6 @@ lpfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd)
cur_iocbq->cmd_flag |= LPFC_IO_VMID;
}
}
- atomic_inc(&ndlp->cmd_pending);
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
if (unlikely(phba->hdwqstat_on & LPFC_CHECK_SCSI_IO))
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2022-08-13 13:26 FAILED: patch "[PATCH] scsi: lpfc: Remove extra atomic_inc on cmd_pending in" failed to apply to 5.15-stable tree gregkh
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