在 2023/4/14 21:48, David Howells 写道:
Jia Zhu <zhujia.zj@xxxxxxxxxxxxx> wrote:
if (cachefiles_in_ondemand_mode(cache)) {
- if (!xa_empty(&cache->reqs))
- mask |= EPOLLIN;
+ if (!xa_empty(xa)) {
+ rcu_read_lock();
+ xa_for_each_marked(xa, index, req, CACHEFILES_REQ_NEW) {
+ if (!cachefiles_ondemand_is_reopening_read(req)) {
+ mask |= EPOLLIN;
+ break;
+ }
+ }
+ rcu_read_unlock();
You should probably use xas_for_each_marked() instead of xa_for_each_marked()
as the former should perform better.
David
Hi David,
Thanks for your advice. I'll revise it in next version.
Jia
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