On Wed, Jul 9, 2014 at 4:29 PM, Stefan Hajnoczi stefa...@redhat.com wrote:
On Tue, Jul 08, 2014 at 11:45:10PM +0800, Ming Lei wrote:
In the enqueue path, we can't complete request, otherwise
Co-routine re-entered recursively may be caused, so this
patch fixes the issue with below ideas:
Thi
Il 08/07/2014 17:45, Ming Lei ha scritto:
-/* empty io queue */
-s-io_q.idx = 0;
+ret = io_submit(s-ctx, len, s-io_q.iocbs);
+if (ret == -EAGAIN) {
+event_notifier_set(s-retry);
+return 0;
You can use a bottom half instead of this event notifier.
Paolo
On Tue, Jul 08, 2014 at 11:45:10PM +0800, Ming Lei wrote:
In the enqueue path, we can't complete request, otherwise
Co-routine re-entered recursively may be caused, so this
patch fixes the issue with below ideas:
Thi probably happens when the caller is in coroutine context and its
completion
On 07/09/2014 02:29 AM, Stefan Hajnoczi wrote:
+if (enqueue)
+return ret;
Please set up a git hook to run checkpatch.pl. It will alert you when
you violate QEMU coding style:
http://blog.vmsplice.net/2011/03/how-to-automatically-run-checkpatchpl.html
I already
In the enqueue path, we can't complete request, otherwise
Co-routine re-entered recursively may be caused, so this
patch fixes the issue with below ideas:
- for -EAGAIN, retry the submission in an introduced event handler
- for part of completion, just update the io queue, since
On Wed, Jul 9, 2014 at 1:41 AM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 08/07/2014 17:45, Ming Lei ha scritto:
-/* empty io queue */
-s-io_q.idx = 0;
+ret = io_submit(s-ctx, len, s-io_q.iocbs);
+if (ret == -EAGAIN) {
+event_notifier_set(s-retry);
+
