On Thu, Jan 27, 2022 at 11:17:51PM -0500, Mike Snitzer wrote: > + __part_start_io_acct(bio->bi_bdev, bio_sectors(bio), > + bio_op(bio), start_time); > } > +EXPORT_SYMBOL_GPL(bio_start_io_acct_time); > > /** > * bio_start_io_acct - start I/O accounting for bio based drivers > @@ -1084,14 +1096,15 @@ static unsigned long __part_start_io_acct(struct block_device *part, > */ > unsigned long bio_start_io_acct(struct bio *bio) > { > - return __part_start_io_acct(bio->bi_bdev, bio_sectors(bio), bio_op(bio)); > + return __part_start_io_acct(bio->bi_bdev, bio_sectors(bio), > + bio_op(bio), jiffies); Is droppingthe READ_ONCE safe here? This is a honest question as these helpers still confuse me. The rest looks good: Reviewed-by: Christoph Hellwig <hch@xxxxxx> -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel