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authorChristoph Hellwig <hch@lst.de>2021-01-26 17:52:35 +0300
committerJens Axboe <axboe@kernel.dk>2021-01-27 19:51:48 +0300
commitc6bf3f0e25f4c0f0ecce6cf8d1c589bd9d74d3cf (patch)
tree75b4523f9dc5725dcef0150a487d27303058b259 /include/linux/blkdev.h
parent3175199ab0ac8c874ec25c6bf169f74888917435 (diff)
downloadlinux-c6bf3f0e25f4c0f0ecce6cf8d1c589bd9d74d3cf.tar.xz
block: use an on-stack bio in blkdev_issue_flush
There is no point in allocating memory for a synchronous flush. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Acked-by: Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/blkdev.h')
-rw-r--r--include/linux/blkdev.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 2491e17b61c4..0dea268bd61b 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1288,7 +1288,7 @@ static inline bool blk_needs_flush_plug(struct task_struct *tsk)
!list_empty(&plug->cb_list));
}
-int blkdev_issue_flush(struct block_device *, gfp_t);
+int blkdev_issue_flush(struct block_device *bdev);
long nr_blockdev_pages(void);
#else /* CONFIG_BLOCK */
struct blk_plug {
@@ -1316,7 +1316,7 @@ static inline bool blk_needs_flush_plug(struct task_struct *tsk)
return false;
}
-static inline int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask)
+static inline int blkdev_issue_flush(struct block_device *bdev)
{
return 0;
}