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authorAlan D. Brunelle <Alan.Brunelle@hp.com>2007-11-07 14:26:56 -0500
committerJens Axboe <jens.axboe@oracle.com>2007-11-09 13:41:32 +0100
commit2ad8b1ef11c98c5603580878aebf9f1bc74129e4 (patch)
treef7bdc2484513f6ffd174b1385bb216dcf97d2c78 /include/linux/blkdev.h
parentd85532ed284e63b5c56eaf2418f262822af60be4 (diff)
downloadop-kernel-dev-2ad8b1ef11c98c5603580878aebf9f1bc74129e4.zip
op-kernel-dev-2ad8b1ef11c98c5603580878aebf9f1bc74129e4.tar.gz
Add UNPLUG traces to all appropriate places
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>
Diffstat (limited to 'include/linux/blkdev.h')
-rw-r--r--include/linux/blkdev.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 8396db2..d18ee67 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -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)
{
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