Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Kamal Mostafa <> | Subject | [PATCH 4.2.y-ckt 066/218] mtip32xx: Print exact time when an internal command is interrupted | Date | Thu, 31 Mar 2016 13:14:39 -0700 |
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4.2.8-ckt7 -stable review patch. If anyone has any objections, please let me know.
---8<------------------------------------------------------------
From: Asai Thambi SP <asamymuthupa@micron.com>
commit 5b7e0a8ac85e2dfd83830dc9e0b3554d153a37e3 upstream.
Print exact time when an internal command is interrupted.
Signed-off-by: Selvan Mani <smani@micron.com> Signed-off-by: Rajesh Kumar Sambandam <rsambandam@micron.com> Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com> Signed-off-by: Jens Axboe <axboe@fb.com> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- drivers/block/mtip32xx/mtip32xx.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 2b432f1..d97ffa6 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -1092,6 +1092,7 @@ 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) { @@ -1155,6 +1156,8 @@ 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); @@ -1165,8 +1168,9 @@ 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 */ -- 2.7.4
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