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a42aaa3bbc
This attempts to clarify names utilized during block I/O remap operations (partition, volume manager). It correctly matches up the /from/ information for both device & sector. This takes in the concept from Kosaki Motohiro and extends it to include better naming for the "device_from" field. [ Impact: cleanup ] Signed-off-by: Alan D. Brunelle <alan.brunelle@hp.com> Reviewed-by: Li Zefan <lizf@cn.fujitsu.com> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <49FF4FAE.3000301@hp.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
#ifndef _TRACE_BLOCK_H
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#define _TRACE_BLOCK_H
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#include <linux/blkdev.h>
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#include <linux/tracepoint.h>
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DECLARE_TRACE(block_rq_abort,
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TP_PROTO(struct request_queue *q, struct request *rq),
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TP_ARGS(q, rq));
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DECLARE_TRACE(block_rq_insert,
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TP_PROTO(struct request_queue *q, struct request *rq),
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TP_ARGS(q, rq));
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DECLARE_TRACE(block_rq_issue,
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TP_PROTO(struct request_queue *q, struct request *rq),
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TP_ARGS(q, rq));
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DECLARE_TRACE(block_rq_requeue,
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TP_PROTO(struct request_queue *q, struct request *rq),
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TP_ARGS(q, rq));
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DECLARE_TRACE(block_rq_complete,
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TP_PROTO(struct request_queue *q, struct request *rq),
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TP_ARGS(q, rq));
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DECLARE_TRACE(block_bio_bounce,
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TP_PROTO(struct request_queue *q, struct bio *bio),
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TP_ARGS(q, bio));
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DECLARE_TRACE(block_bio_complete,
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TP_PROTO(struct request_queue *q, struct bio *bio),
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TP_ARGS(q, bio));
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DECLARE_TRACE(block_bio_backmerge,
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TP_PROTO(struct request_queue *q, struct bio *bio),
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TP_ARGS(q, bio));
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DECLARE_TRACE(block_bio_frontmerge,
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TP_PROTO(struct request_queue *q, struct bio *bio),
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TP_ARGS(q, bio));
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DECLARE_TRACE(block_bio_queue,
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TP_PROTO(struct request_queue *q, struct bio *bio),
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TP_ARGS(q, bio));
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DECLARE_TRACE(block_getrq,
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TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
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TP_ARGS(q, bio, rw));
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DECLARE_TRACE(block_sleeprq,
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TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
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TP_ARGS(q, bio, rw));
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DECLARE_TRACE(block_plug,
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TP_PROTO(struct request_queue *q),
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TP_ARGS(q));
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DECLARE_TRACE(block_unplug_timer,
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TP_PROTO(struct request_queue *q),
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TP_ARGS(q));
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DECLARE_TRACE(block_unplug_io,
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TP_PROTO(struct request_queue *q),
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TP_ARGS(q));
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DECLARE_TRACE(block_split,
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TP_PROTO(struct request_queue *q, struct bio *bio, unsigned int pdu),
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TP_ARGS(q, bio, pdu));
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DECLARE_TRACE(block_remap,
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TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
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sector_t to, sector_t from),
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TP_ARGS(q, bio, dev, to, from));
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#endif
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