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block: fix the count of PGPGOUT for WRITE_SAME
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>
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@ -2434,7 +2434,7 @@ blk_qc_t submit_bio(struct bio *bio)
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unsigned int count;
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if (unlikely(bio_op(bio) == REQ_OP_WRITE_SAME))
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count = queue_logical_block_size(bio->bi_disk->queue);
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count = queue_logical_block_size(bio->bi_disk->queue) >> 9;
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else
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count = bio_sectors(bio);
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