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Diffstat (limited to 'block.c')
-rw-r--r--block.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/block.c b/block.c
index 1aa3de573b..465a09f9bd 100644
--- a/block.c
+++ b/block.c
@@ -41,6 +41,8 @@
#define SECTOR_BITS 9
#define SECTOR_SIZE (1 << SECTOR_BITS)
+static AIOPool vectored_aio_pool;
+
typedef struct BlockDriverAIOCBSync {
BlockDriverAIOCB common;
QEMUBH *bh;
@@ -1333,6 +1335,13 @@ typedef struct VectorTranslationState {
BlockDriverAIOCB *this_aiocb;
} VectorTranslationState;
+static void bdrv_aio_cancel_vector(BlockDriverAIOCB *acb)
+{
+ VectorTranslationState *s = acb->opaque;
+
+ bdrv_aio_cancel(s->aiocb);
+}
+
static void bdrv_aio_rw_vector_cb(void *opaque, int ret)
{
VectorTranslationState *s = opaque;
@@ -1355,7 +1364,8 @@ static BlockDriverAIOCB *bdrv_aio_rw_vector(BlockDriverState *bs,
{
VectorTranslationState *s = qemu_mallocz(sizeof(*s));
- BlockDriverAIOCB *aiocb = qemu_aio_get(bs, cb, opaque);
+ BlockDriverAIOCB *aiocb = qemu_aio_get_pool(&vectored_aio_pool, bs,
+ cb, opaque);
s->this_aiocb = aiocb;
s->iov = iov;
@@ -1444,11 +1454,6 @@ BlockDriverAIOCB *bdrv_aio_write(BlockDriverState *bs, int64_t sector_num,
void bdrv_aio_cancel(BlockDriverAIOCB *acb)
{
- if (acb->cb == bdrv_aio_rw_vector_cb) {
- VectorTranslationState *s = acb->opaque;
- acb = s->aiocb;
- }
-
acb->pool->cancel(acb);
}
@@ -1550,6 +1555,9 @@ static int bdrv_write_em(BlockDriverState *bs, int64_t sector_num,
void bdrv_init(void)
{
+ aio_pool_init(&vectored_aio_pool, sizeof(BlockDriverAIOCB),
+ bdrv_aio_cancel_vector);
+
bdrv_register(&bdrv_raw);
bdrv_register(&bdrv_host_device);
#ifndef _WIN32