Don't hold a reference to ->refcount for each active reference, but
just one for all active references.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20211209063131.18537-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
{
struct io_cq *icq;
- if (!atomic_dec_and_test(&ioc->active_ref)) {
- put_io_context(ioc);
+ if (!atomic_dec_and_test(&ioc->active_ref))
return;
- }
spin_lock_irq(&ioc->lock);
hlist_for_each_entry(icq, &ioc->icq_list, ioc_node) {
* Share io context with parent, if CLONE_IO is set
*/
if (clone_flags & CLONE_IO) {
- atomic_long_inc(&ioc->refcount);
atomic_inc(&ioc->active_ref);
tsk->io_context = ioc;
} else if (ioprio_valid(ioc->ioprio)) {