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authorChristoph Hellwig <hch@lst.de>2017-06-19 09:24:41 +0200
committerJens Axboe <axboe@kernel.dk>2017-06-20 19:21:48 -0600
commitefbeccdb59d666b9c77d505af01097cc0a9d102b (patch)
tree158e3bcab08c68fc06359e8976df122476626657 /include/linux/blkdev.h
parentblock: remove the unused bio_to_phys macro (diff)
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block: stop using bio_data() in blk_write_same_mergeable
While the Write Same page currently always is in low-level it is just as easy and safer to just compare the page and offset directly. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to '')
-rw-r--r--include/linux/blkdev.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 22cfba64ce81..0deed7274a7f 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -815,7 +815,8 @@ static inline bool rq_mergeable(struct request *rq)
static inline bool blk_write_same_mergeable(struct bio *a, struct bio *b)
{
- if (bio_data(a) == bio_data(b))
+ if (bio_page(a) == bio_page(b) &&
+ bio_offset(a) == bio_offset(b))
return true;
return false;