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authorChristoph Hellwig <hch@lst.de>2011-04-15 15:20:10 +0200
committerJens Axboe <jaxboe@fusionio.com>2011-04-15 15:20:10 +0200
commit88b996cd0652280cc9b9fc70008fda15f14175e1 (patch)
treec842575e47ab094bced8a01b241568616e89366a /include
parent80656b67b3988f83edd86a280d9937124fe62050 (diff)
downloadlinux-88b996cd0652280cc9b9fc70008fda15f14175e1.tar.bz2
block: cleanup the block plug helper functions
It's a bit of a mess currently. task->plug is being cleared and reset in __blk_finish_plug(), and blk_finish_plug() is testing for a NULL plug which cannot happen even from schedule() anymore since it uses blk_needs_flush_plug() to determine whether to call into this function at all. So get rid of some of the cruft. Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/blkdev.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index c07ffafac5d4..ffe48ff318f9 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -865,14 +865,14 @@ struct blk_plug {
extern void blk_start_plug(struct blk_plug *);
extern void blk_finish_plug(struct blk_plug *);
-extern void __blk_flush_plug(struct task_struct *, struct blk_plug *);
+extern void blk_flush_plug_list(struct blk_plug *);
static inline void blk_flush_plug(struct task_struct *tsk)
{
struct blk_plug *plug = tsk->plug;
- if (unlikely(plug))
- __blk_flush_plug(tsk, plug);
+ if (plug)
+ blk_flush_plug_list(plug);
}
static inline bool blk_needs_flush_plug(struct task_struct *tsk)