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| author | Bart Van Assche <bart.vanassche@sandisk.com> | 2017-04-26 13:47:56 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-04-26 15:09:04 -0600 |
| commit | 2836ee4b1acbe7b396219d0677426885f14cd792 (patch) | |
| tree | 823c705f789aaa2eb68d9c32913b686c55ea60a7 /include | |
| parent | 8658dca8bd5666f50e02400f844079e520641d8c (diff) | |
| download | linux-stable-2836ee4b1acbe7b396219d0677426885f14cd792.tar.gz linux-stable-2836ee4b1acbe7b396219d0677426885f14cd792.tar.bz2 linux-stable-2836ee4b1acbe7b396219d0677426885f14cd792.zip | |
blk-mq: Add blk_mq_ops.show_rq()
This new callback function will be used in the next patch to show
more information about SCSI requests.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Cc: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/blk-mq.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 0c4dadb85f62..32bd8eb5ba67 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -142,6 +142,14 @@ struct blk_mq_ops { reinit_request_fn *reinit_request; map_queues_fn *map_queues; + +#ifdef CONFIG_BLK_DEBUG_FS + /* + * Used by the debugfs implementation to show driver-specific + * information about a request. + */ + void (*show_rq)(struct seq_file *m, struct request *rq); +#endif }; enum { |