Signed-off-by: Kevin Wolf <[email protected]>
---
block/io.c | 29 +++++++++++++++--------------
1 file changed, 15 insertions(+), 14 deletions(-)
diff --git a/block/io.c b/block/io.c
index 27721ce..299e9ec 100644
--- a/block/io.c
+++ b/block/io.c
@@ -33,7 +33,7 @@
#define NOT_DONE 0x7fffffff /* used while emulated sync operation in progress
*/
-static BlockAIOCB *bdrv_co_aio_rw_vector(BlockDriverState *bs,
+static BlockAIOCB *bdrv_co_aio_rw_vector(BdrvChild *child,
int64_t sector_num,
QEMUIOVector *qiov,
int nb_sectors,
@@ -1125,7 +1125,7 @@ int coroutine_fn bdrv_co_preadv(BlockDriverState *bs,
return ret;
}
-static int coroutine_fn bdrv_co_do_readv(BlockDriverState *bs,
+static int coroutine_fn bdrv_co_do_readv(BdrvChild *child,
int64_t sector_num, int nb_sectors, QEMUIOVector *qiov,
BdrvRequestFlags flags)
{
@@ -1133,7 +1133,7 @@ static int coroutine_fn bdrv_co_do_readv(BlockDriverState
*bs,
return -EINVAL;
}
- return bdrv_co_preadv(bs, sector_num << BDRV_SECTOR_BITS,
+ return bdrv_co_preadv(child->bs, sector_num << BDRV_SECTOR_BITS,
nb_sectors << BDRV_SECTOR_BITS, qiov, flags);
}
@@ -1142,7 +1142,7 @@ int coroutine_fn bdrv_co_readv(BdrvChild *child, int64_t
sector_num,
{
trace_bdrv_co_readv(child->bs, sector_num, nb_sectors);
- return bdrv_co_do_readv(child->bs, sector_num, nb_sectors, qiov, 0);
+ return bdrv_co_do_readv(child, sector_num, nb_sectors, qiov, 0);
}
#define MAX_WRITE_ZEROES_BOUNCE_BUFFER 32768
@@ -1527,7 +1527,7 @@ out:
return ret;
}
-static int coroutine_fn bdrv_co_do_writev(BlockDriverState *bs,
+static int coroutine_fn bdrv_co_do_writev(BdrvChild *child,
int64_t sector_num, int nb_sectors, QEMUIOVector *qiov,
BdrvRequestFlags flags)
{
@@ -1535,7 +1535,7 @@ static int coroutine_fn
bdrv_co_do_writev(BlockDriverState *bs,
return -EINVAL;
}
- return bdrv_co_pwritev(bs, sector_num << BDRV_SECTOR_BITS,
+ return bdrv_co_pwritev(child->bs, sector_num << BDRV_SECTOR_BITS,
nb_sectors << BDRV_SECTOR_BITS, qiov, flags);
}
@@ -1544,7 +1544,7 @@ int coroutine_fn bdrv_co_writev(BdrvChild *child, int64_t
sector_num,
{
trace_bdrv_co_writev(child->bs, sector_num, nb_sectors);
- return bdrv_co_do_writev(child->bs, sector_num, nb_sectors, qiov, 0);
+ return bdrv_co_do_writev(child, sector_num, nb_sectors, qiov, 0);
}
int coroutine_fn bdrv_co_pwrite_zeroes(BlockDriverState *bs,
@@ -1960,7 +1960,7 @@ BlockAIOCB *bdrv_aio_readv(BdrvChild *child, int64_t
sector_num,
{
trace_bdrv_aio_readv(child->bs, sector_num, nb_sectors, opaque);
- return bdrv_co_aio_rw_vector(child->bs, sector_num, qiov, nb_sectors, 0,
+ return bdrv_co_aio_rw_vector(child, sector_num, qiov, nb_sectors, 0,
cb, opaque, false);
}
@@ -1970,7 +1970,7 @@ BlockAIOCB *bdrv_aio_writev(BdrvChild *child, int64_t
sector_num,
{
trace_bdrv_aio_writev(child->bs, sector_num, nb_sectors, opaque);
- return bdrv_co_aio_rw_vector(child->bs, sector_num, qiov, nb_sectors, 0,
+ return bdrv_co_aio_rw_vector(child, sector_num, qiov, nb_sectors, 0,
cb, opaque, true);
}
@@ -2026,6 +2026,7 @@ typedef struct BlockRequest {
typedef struct BlockAIOCBCoroutine {
BlockAIOCB common;
+ BdrvChild *child;
BlockRequest req;
bool is_write;
bool need_bh;
@@ -2069,20 +2070,19 @@ static void
bdrv_co_maybe_schedule_bh(BlockAIOCBCoroutine *acb)
static void coroutine_fn bdrv_co_do_rw(void *opaque)
{
BlockAIOCBCoroutine *acb = opaque;
- BlockDriverState *bs = acb->common.bs;
if (!acb->is_write) {
- acb->req.error = bdrv_co_do_readv(bs, acb->req.sector,
+ acb->req.error = bdrv_co_do_readv(acb->child, acb->req.sector,
acb->req.nb_sectors, acb->req.qiov, acb->req.flags);
} else {
- acb->req.error = bdrv_co_do_writev(bs, acb->req.sector,
+ acb->req.error = bdrv_co_do_writev(acb->child, acb->req.sector,
acb->req.nb_sectors, acb->req.qiov, acb->req.flags);
}
bdrv_co_complete(acb);
}
-static BlockAIOCB *bdrv_co_aio_rw_vector(BlockDriverState *bs,
+static BlockAIOCB *bdrv_co_aio_rw_vector(BdrvChild *child,
int64_t sector_num,
QEMUIOVector *qiov,
int nb_sectors,
@@ -2094,7 +2094,8 @@ static BlockAIOCB *bdrv_co_aio_rw_vector(BlockDriverState
*bs,
Coroutine *co;
BlockAIOCBCoroutine *acb;
- acb = qemu_aio_get(&bdrv_em_co_aiocb_info, bs, cb, opaque);
+ acb = qemu_aio_get(&bdrv_em_co_aiocb_info, child->bs, cb, opaque);
+ acb->child = child;
acb->need_bh = true;
acb->req.error = -EINPROGRESS;
acb->req.sector = sector_num;
--
1.8.3.1
