On 2022/4/11 15:14, Christoph Hellwig wrote:
On Mon, Apr 11, 2022 at 02:12:49PM +0800, Qu Wenruo wrote:
+ /*
+ * Above submission hooks will handle the error by ending the bio,
+ * which will do the cleanup properly.
+ * So here we should not return any error, or the caller of
+ * submit_extent_page() will do cleanup again, causing problems.
+ */
+ return 0;
This should not return anything. Similar to how e.g. submit_bio
works it needs to be a void return. And yes, that will properly
fix all the double completion issues.
Yes, check the last patch.
This patch itself is for backport, thus I didn't change the return type
to make backport easier.
Thanks,
Qu