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[Qemu-devel] [PATCH v2 3/8] qcow2-threads: use thread_pool_submit_co
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[Qemu-devel] [PATCH v2 3/8] qcow2-threads: use thread_pool_submit_co |
Date: |
Tue, 11 Dec 2018 19:43:12 +0300 |
Use thread_pool_submit_co, instead of reinventing it here. Note, that
thread_pool_submit_aio() never returns an error, so checking it was an
extra thing.
Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
---
block/qcow2-threads.c | 17 ++---------------
1 file changed, 2 insertions(+), 15 deletions(-)
diff --git a/block/qcow2-threads.c b/block/qcow2-threads.c
index b75fad6e07..8c10191f2f 100644
--- a/block/qcow2-threads.c
+++ b/block/qcow2-threads.c
@@ -140,17 +140,11 @@ static int qcow2_compress_pool_func(void *opaque)
return 0;
}
-static void qcow2_compress_complete(void *opaque, int ret)
-{
- qemu_coroutine_enter(opaque);
-}
-
static ssize_t coroutine_fn
qcow2_co_do_compress(BlockDriverState *bs, void *dest, size_t dest_size,
const void *src, size_t src_size, Qcow2CompressFunc func)
{
BDRVQcow2State *s = bs->opaque;
- BlockAIOCB *acb;
ThreadPool *pool = aio_get_thread_pool(bdrv_get_aio_context(bs));
Qcow2CompressData arg = {
.dest = dest,
@@ -165,16 +159,9 @@ qcow2_co_do_compress(BlockDriverState *bs, void *dest,
size_t dest_size,
}
s->nb_compress_threads++;
- acb = thread_pool_submit_aio(pool, qcow2_compress_pool_func, &arg,
- qcow2_compress_complete,
- qemu_coroutine_self());
-
- if (!acb) {
- s->nb_compress_threads--;
- return -EINVAL;
- }
- qemu_coroutine_yield();
+ thread_pool_submit_co(pool, qcow2_compress_pool_func, &arg);
s->nb_compress_threads--;
+
qemu_co_queue_next(&s->compress_wait_queue);
return arg.ret;
--
2.18.0
- [Qemu-devel] [PATCH v2 0/8] qcow2: encryption threads, Vladimir Sementsov-Ogievskiy, 2018/12/11
- [Qemu-devel] [PATCH v2 3/8] qcow2-threads: use thread_pool_submit_co,
Vladimir Sementsov-Ogievskiy <=
- [Qemu-devel] [PATCH v2 6/8] qcow2: qcow2_co_preadv: skip using hd_qiov when possible, Vladimir Sementsov-Ogievskiy, 2018/12/11
- [Qemu-devel] [PATCH v2 5/8] qcow2: qcow2_co_preadv: improve locking, Vladimir Sementsov-Ogievskiy, 2018/12/11
- [Qemu-devel] [PATCH v2 8/8] qcow2: do encryption in threads, Vladimir Sementsov-Ogievskiy, 2018/12/11
- [Qemu-devel] [PATCH v2 7/8] qcow2: bdrv_co_pwritev: move encryption code out of the lock, Vladimir Sementsov-Ogievskiy, 2018/12/11
- [Qemu-devel] [PATCH v2 4/8] qcow2-threads: split out generic path, Vladimir Sementsov-Ogievskiy, 2018/12/11
- [Qemu-devel] [PATCH v2 2/8] qcow2: add separate file for threaded data processing functions, Vladimir Sementsov-Ogievskiy, 2018/12/11
- [Qemu-devel] [PATCH v2 1/8] qcow2.h: add missing include, Vladimir Sementsov-Ogievskiy, 2018/12/11