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scsi: core: Add I/O timeout count for SCSI device

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Currently struct scsi_device maintains counters for requests, completions,
and errors but is missing a counter for timeouts.

For better tracking of timeouts, add a suitable counter.

Link: https://lore.kernel.org/r/1663666339-17560-1-git-send-email-wubo40@huawei.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Wu Bo <wubo40@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Wu Bo
2022-09-20 17:32:19 +08:00
committed by Martin K. Petersen
parent 592642e6b1
commit 48517eefb2
3 changed files with 4 additions and 0 deletions
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1
include/scsi/scsi_device.h
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@@ -231,6 +231,7 @@ struct scsi_device {
atomic_t iorequest_cnt;
atomic_t iodone_cnt;
atomic_t ioerr_cnt;
atomic_t iotmo_cnt;
struct device sdev_gendev,
sdev_dev;