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block: fix the count of PGPGOUT for WRITE_SAME 

commit 7c5a0dcf55 upstream.

The vm counters is counted in sectors, so we should do the conversation
in submit_bio.

Fixes: 74d46992e0 ("block: replace bi_bdev with a gendisk pointer and partitions index")
Cc: stable@vger.kernel.org
Reviewed-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jiufei Xue <jiufei.xue@linux.alibaba.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/10/head
Jiufei Xue 2018-02-27 20:10:03 +08:00 committed by Greg Kroah-Hartman
parent eae6179f55
commit 17644a0bbb
1 changed files with 1 additions and 1 deletions
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block/blk-core.c
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@ -2277,7 +2277,7 @@ blk_qc_t submit_bio(struct bio *bio)
unsigned int count;
if (unlikely(bio_op(bio) == REQ_OP_WRITE_SAME))
count = queue_logical_block_size(bio->bi_disk->queue);
count = queue_logical_block_size(bio->bi_disk->queue) >> 9;
else
count = bio_sectors(bio);