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| author | Jiufei Xue <jiufei.xue@linux.alibaba.com> | 2018-02-27 20:10:03 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-03-01 08:41:23 -0700 |
| commit | 7c5a0dcf557c6511a61e092ba887de28882fe857 (patch) | |
| tree | da84e1c427e6ef6f7bd1a203cfef657fbc5dca42 /block/blk-core.c | |
| parent | f3bc78d2d4b489590540ab2788d5376583e28173 (diff) | |
| download | lwn-7c5a0dcf557c6511a61e092ba887de28882fe857.tar.gz lwn-7c5a0dcf557c6511a61e092ba887de28882fe857.zip | |
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: 74d46992e0d9 ("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>
Diffstat (limited to 'block/blk-core.c')
| -rw-r--r-- | block/blk-core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 2d1a7bbe0634..6d82c4f7fadd 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -2434,7 +2434,7 @@ 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); |