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author | Jens Axboe <axboe@suse.de> | 2006-03-23 20:00:26 +0100 |
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committer | Jens Axboe <axboe@suse.de> | 2006-03-23 20:00:26 +0100 |
commit | 2056a782f8e7e65fd4bfd027506b4ce1c5e9ccd4 (patch) | |
tree | d4fe59a7ca0c110690937085548936a4535c39db /include/linux/blkdev.h | |
parent | 6dac40a7ce2483a47b54af07afebeb84131c7228 (diff) | |
download | lwn-2056a782f8e7e65fd4bfd027506b4ce1c5e9ccd4.tar.gz lwn-2056a782f8e7e65fd4bfd027506b4ce1c5e9ccd4.zip |
[PATCH] Block queue IO tracing support (blktrace) as of 2006-03-23
Signed-off-by: Jens Axboe <axboe@suse.de>
Diffstat (limited to 'include/linux/blkdev.h')
-rw-r--r-- | include/linux/blkdev.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 56bb6a4e15f3..c179966f1a2f 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -22,6 +22,7 @@ typedef struct request_queue request_queue_t; struct elevator_queue; typedef struct elevator_queue elevator_t; struct request_pm_state; +struct blk_trace; #define BLKDEV_MIN_RQ 4 #define BLKDEV_MAX_RQ 128 /* Default maximum */ @@ -416,6 +417,8 @@ struct request_queue unsigned int sg_reserved_size; int node; + struct blk_trace *blk_trace; + /* * reserved for flush operations */ |