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Message-ID: <63700830-aa58-d0a0-50d4-ce3db0e2b25d@micron.com>
Date: Mon, 22 Feb 2016 21:01:03 -0800
From: Asai Thambi SP <asamymuthupa@...ron.com>
To: Jens Axboe <axboe@...nel.dk>
CC: <linux-kernel@...r.kernel.org>,
Sam Bradshaw <sbradshaw@...ron.com>,
Selvan Mani <smani@...ron.com>,
Rajesh Kumar Sambandam <rsambandam@...ron.com>,
Vignesh Gunasekaran <vgunasekaran@...ron.com>
Subject: [PATCH 04/10] mtip32xx: Print exact time when an internal command is
interrupted
Print exact time when an internal command is interrupted.
Signed-off-by: Selvan Mani <smani@...ron.com>
Signed-off-by: Rajesh Kumar Sambandam <rsambandam@...ron.com>
Signed-off-by: Asai Thambi S P <asamymuthupa@...ron.com>
---
drivers/block/mtip32xx/mtip32xx.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 30f8246..ca9d35a 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -1127,6 +1127,7 @@ static int mtip_exec_internal_command(struct mtip_port *port,
struct mtip_cmd *int_cmd;
struct driver_data *dd = port->dd;
int rv = 0;
+ unsigned long start;
/* Make sure the buffer is 8 byte aligned. This is asic specific. */
if (buffer & 0x00000007) {
@@ -1207,6 +1208,8 @@ static int mtip_exec_internal_command(struct mtip_port *port,
/* Populate the command header */
int_cmd->command_header->byte_count = 0;
+ start = jiffies;
+
/* Issue the command to the hardware */
mtip_issue_non_ncq_command(port, MTIP_TAG_INTERNAL);
@@ -1217,8 +1220,9 @@ static int mtip_exec_internal_command(struct mtip_port *port,
msecs_to_jiffies(timeout))) <= 0) {
if (rv == -ERESTARTSYS) { /* interrupted */
dev_err(&dd->pdev->dev,
- "Internal command [%02X] was interrupted after %lu ms\n",
- fis->command, timeout);
+ "Internal command [%02X] was interrupted after %u ms\n",
+ fis->command,
+ jiffies_to_msecs(jiffies - start));
rv = -EINTR;
goto exec_ic_exit;
} else if (rv == 0) /* timeout */
--
1.7.1
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