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authorJens Axboe <jens.axboe@oracle.com>2008-08-01 20:31:32 +0200
committerJens Axboe <jens.axboe@oracle.com>2008-08-01 20:31:32 +0200
commit6c5e0c4d518a37e1d5d794c14433e80284415079 (patch)
tree26208a4fe4115a37c000a13d50df8c1a5e393553 /include
parent94ad374a0751f40d25e22e036c37f7263569d24c (diff)
block: add a blk_plug_device_unlocked() that grabs the queue lock
blk_plug_device() must be called with the queue lock held, so callers often just grab and release the lock for that purpose. Add a helper that does just that. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include')
-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 88d68081a0f..e61f22be4d0 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -655,6 +655,7 @@ extern struct request *blk_get_request(struct request_queue *, int, gfp_t);
extern void blk_insert_request(struct request_queue *, struct request *, int, void *);
extern void blk_requeue_request(struct request_queue *, struct request *);
extern void blk_plug_device(struct request_queue *);
+extern void blk_plug_device_unlocked(struct request_queue *);
extern int blk_remove_plug(struct request_queue *);
extern void blk_recount_segments(struct request_queue *, struct bio *);
extern int scsi_cmd_ioctl(struct file *, struct request_queue *,