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| author | Bart Van Assche <bart.vanassche@sandisk.com> | 2017-04-26 13:47:57 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-04-26 15:09:04 -0600 |
| commit | 0eebd005dd07c162e6af053be0ab440dd766b1d5 (patch) | |
| tree | 4531dc9dfaffcc4e09614c76f92436f43ef63bf5 /drivers/scsi/scsi_debugfs.h | |
| parent | 2836ee4b1acbe7b396219d0677426885f14cd792 (diff) | |
| download | linux-0eebd005dd07c162e6af053be0ab440dd766b1d5.tar.gz linux-0eebd005dd07c162e6af053be0ab440dd766b1d5.tar.bz2 linux-0eebd005dd07c162e6af053be0ab440dd766b1d5.zip | |
scsi: Implement blk_mq_ops.show_rq()
Show the SCSI CDB for pending SCSI commands in
/sys/kernel/debug/block/*/mq/*/dispatch and */rq_list. An example
of how SCSI commands are displayed by this code:
ffff8801703245c0 {.op=READ, .cmd_flags=META PRIO, .rq_flags=DONTPREP IO_STAT STATS, .tag=14, .internal_tag=-1, .cmd=Read(10) 28 00 2a 81 1b 30 00 00 08 00}
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: <linux-scsi@vger.kernel.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/scsi/scsi_debugfs.h')
| -rw-r--r-- | drivers/scsi/scsi_debugfs.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_debugfs.h b/drivers/scsi/scsi_debugfs.h new file mode 100644 index 000000000000..951b043e82d0 --- /dev/null +++ b/drivers/scsi/scsi_debugfs.h @@ -0,0 +1,4 @@ +struct request; +struct seq_file; + +void scsi_show_rq(struct seq_file *m, struct request *rq); |