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Add UNPLUG traces to all appropriate places

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Added blk_unplug interface, allowing all invocations of unplugs to result
in a generated blktrace UNPLUG.

Signed-off-by: Alan D. Brunelle <Alan.Brunelle@hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Alan D. Brunelle 2007-11-07 14:26:56 -05:00 • committed by Jens Axboe
parent d85532ed28
commit 2ad8b1ef11
11 changed files with 26 additions and 27 deletions
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1
include/linux/blkdev.h
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@ -697,6 +697,7 @@ extern int blk_execute_rq(struct request_queue *, struct gendisk *,
extern void blk_execute_rq_nowait(struct request_queue *, struct gendisk *,
struct request *, int, rq_end_io_fn *);
extern int blk_verify_command(unsigned char *, int);
extern void blk_unplug(struct request_queue *q);
static inline struct request_queue *bdev_get_queue(struct block_device *bdev)
{