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aio-posix: move pollfds to thread-local storage

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By using thread-local storage, aio_poll can stop using global data during
g_poll_ns.  This will make it possible to drop callbacks from rfifolock.

[Moved npfd = 0 assignment to end of walking_handlers region as
suggested by Paolo.  This resolves the assert(npfd == 0) assertion
failure in pollfds_cleanup().
--Stefan]

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1424449612-18215-2-git-send-email-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini 2015-02-20 17:26:50 +01:00 • committed by Kevin Wolf
parent de50a20a4c
commit e98ab09709
3 changed files with 57 additions and 26 deletions
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3
include/block/aio.h
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@ -82,9 +82,6 @@ struct AioContext {
/* Used for aio_notify. */
EventNotifier notifier;
/* GPollFDs for aio_poll() */
GArray *pollfds;
/* Thread pool for performing work and receiving completion callbacks */
struct ThreadPool *thread_pool;