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authorChristoph Hellwig <hch@lst.de>2022-03-08 08:51:47 +0300
committerJens Axboe <axboe@kernel.dk>2022-03-09 05:39:52 +0300
commit41fa722239b46f0c033da94746212344175cdaa0 (patch)
treec943cea6053e77f7d29cc43ab102171e4dfe3780 /block/blk.h
parent4e5cc99e1e485954a9c09872e0eeea570fb2b5a5 (diff)
downloadlinux-41fa722239b46f0c033da94746212344175cdaa0.tar.xz
blk-mq: do not include passthrough requests in I/O accounting
I/O accounting buckets I/O into the read/write/discard categories into which passthrough I/O does not fit at all. It also accounts to the block_device, which may not even exist for passthrough I/O. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Link: https://lore.kernel.org/r/20220308055200.735835-2-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk.h')
-rw-r--r--block/blk.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk.h b/block/blk.h
index ebaa59ca46ca..6f21859c7f0f 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -325,7 +325,7 @@ int blk_dev_init(void);
*/
static inline bool blk_do_io_stat(struct request *rq)
{
- return (rq->rq_flags & RQF_IO_STAT) && rq->q->disk;
+ return (rq->rq_flags & RQF_IO_STAT) && !blk_rq_is_passthrough(rq);
}
void update_io_ticks(struct block_device *part, unsigned long now, bool end);