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aio: Get rid of qemu_aio_flush() 

There are no remaining users, and new users should probably be
using bdrv_drain_all() in the first place.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2012-11-13 16:35:13 +01:00
parent d318aea932
commit c57b6656c3
6 changed files with 5 additions and 20 deletions
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5
async.c
View File

@ -215,8 +215,3 @@ void aio_context_unref(AioContext *ctx)
{
g_source_unref(&ctx->source);
}
void aio_flush(AioContext *ctx)
{
while (aio_poll(ctx, true));
}

2
block/commit.c
View File

@ -103,7 +103,7 @@ static void coroutine_fn commit_run(void *opaque)
wait:
/* Note that even when no rate limit is applied we need to yield
* with no pending I/O here so that qemu_aio_flush() returns.
* with no pending I/O here so that bdrv_drain_all() returns.
*/
block_job_sleep_ns(&s->common, rt_clock, delay_ns);
if (block_job_is_cancelled(&s->common)) {

2
block/mirror.c
View File

@ -205,7 +205,7 @@ static void coroutine_fn mirror_run(void *opaque)
}
/* Note that even when no rate limit is applied we need to yield
* with no pending I/O here so that qemu_aio_flush() returns.
* with no pending I/O here so that bdrv_drain_all() returns.
*/
block_job_sleep_ns(&s->common, rt_clock, delay_ns);
if (block_job_is_cancelled(&s->common)) {

2
block/stream.c
View File

@ -108,7 +108,7 @@ static void coroutine_fn stream_run(void *opaque)
wait:
/* Note that even when no rate limit is applied we need to yield
* with no pending I/O here so that qemu_aio_flush() returns.
* with no pending I/O here so that bdrv_drain_all() returns.
*/
block_job_sleep_ns(&s->common, rt_clock, delay_ns);
if (block_job_is_cancelled(&s->common)) {

5
main-loop.c
View File

@ -432,11 +432,6 @@ QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque)
return aio_bh_new(qemu_aio_context, cb, opaque);
}
void qemu_aio_flush(void)
{
aio_flush(qemu_aio_context);
}
bool qemu_aio_wait(void)
{
return aio_poll(qemu_aio_context, true);

9
qemu-aio.h
View File

@ -162,10 +162,6 @@ void qemu_bh_cancel(QEMUBH *bh);
*/
void qemu_bh_delete(QEMUBH *bh);
/* Flush any pending AIO operation. This function will block until all
* outstanding AIO operations have been completed or cancelled. */
void aio_flush(AioContext *ctx);
/* Return whether there are any pending callbacks from the GSource
* attached to the AioContext.
*
@ -196,7 +192,7 @@ typedef int (AioFlushHandler)(void *opaque);
/* Register a file descriptor and associated callbacks. Behaves very similarly
* to qemu_set_fd_handler2. Unlike qemu_set_fd_handler2, these callbacks will
* be invoked when using either qemu_aio_wait() or qemu_aio_flush().
* be invoked when using qemu_aio_wait().
*
* Code that invokes AIO completion functions should rely on this function
* instead of qemu_set_fd_handler[2].
@ -211,7 +207,7 @@ void aio_set_fd_handler(AioContext *ctx,
/* Register an event notifier and associated callbacks. Behaves very similarly
* to event_notifier_set_handler. Unlike event_notifier_set_handler, these callbacks
* will be invoked when using either qemu_aio_wait() or qemu_aio_flush().
* will be invoked when using qemu_aio_wait().
*
* Code that invokes AIO completion functions should rely on this function
* instead of event_notifier_set_handler.
@ -228,7 +224,6 @@ GSource *aio_get_g_source(AioContext *ctx);
/* Functions to operate on the main QEMU AioContext. */
void qemu_aio_flush(void);
bool qemu_aio_wait(void);
void qemu_aio_set_event_notifier(EventNotifier *notifier,
EventNotifierHandler *io_read,