dm: don't pass bio to __dm_start_io_acct and dm_end_io_acct

dm->orig_bio is always passed to __dm_start_io_acct and dm_end_io_acct,
so it isn't necessary to take one bio parameter for the two helpers.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
This commit is contained in:
Ming Lei 2022-04-12 16:56:10 +08:00 committed by Mike Snitzer
parent bdb34759a0
commit b992b40dfc

View file

@ -531,16 +531,13 @@ static void dm_io_acct(bool end, struct mapped_device *md, struct bio *bio,
bio->bi_iter.bi_size = bi_size;
}
static void __dm_start_io_acct(struct dm_io *io, struct bio *bio)
static void __dm_start_io_acct(struct dm_io *io)
{
dm_io_acct(false, io->md, bio, io->start_time, &io->stats_aux);
dm_io_acct(false, io->md, io->orig_bio, io->start_time, &io->stats_aux);
}
static void dm_start_io_acct(struct dm_io *io, struct bio *clone)
{
/* Must account IO to DM device in terms of orig_bio */
struct bio *bio = io->orig_bio;
/*
* Ensure IO accounting is only ever started once.
*/
@ -558,12 +555,12 @@ static void dm_start_io_acct(struct dm_io *io, struct bio *clone)
spin_unlock_irqrestore(&io->lock, flags);
}
__dm_start_io_acct(io, bio);
__dm_start_io_acct(io);
}
static void dm_end_io_acct(struct dm_io *io, struct bio *bio)
static void dm_end_io_acct(struct dm_io *io)
{
dm_io_acct(true, io->md, bio, io->start_time, &io->stats_aux);
dm_io_acct(true, io->md, io->orig_bio, io->start_time, &io->stats_aux);
}
static struct dm_io *alloc_io(struct mapped_device *md, struct bio *bio)
@ -899,14 +896,14 @@ static void dm_io_complete(struct dm_io *io)
io_error = io->status;
if (dm_io_flagged(io, DM_IO_ACCOUNTED))
dm_end_io_acct(io, bio);
dm_end_io_acct(io);
else if (!io_error) {
/*
* Must handle target that DM_MAPIO_SUBMITTED only to
* then bio_endio() rather than dm_submit_bio_remap()
*/
__dm_start_io_acct(io, bio);
dm_end_io_acct(io, bio);
__dm_start_io_acct(io);
dm_end_io_acct(io);
}
free_io(io);
smp_wmb();