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-rw-r--r--block/io.c12
-rw-r--r--block/nfs.c1
-rw-r--r--block/sheepdog.c3
3 files changed, 16 insertions, 0 deletions
diff --git a/block/io.c b/block/io.c
index 6fc0145864..be0d862ca6 100644
--- a/block/io.c
+++ b/block/io.c
@@ -474,9 +474,21 @@ void bdrv_inc_in_flight(BlockDriverState *bs)
atomic_inc(&bs->in_flight);
}
+static void dummy_bh_cb(void *opaque)
+{
+}
+
+void bdrv_wakeup(BlockDriverState *bs)
+{
+ if (bs->wakeup) {
+ aio_bh_schedule_oneshot(qemu_get_aio_context(), dummy_bh_cb, NULL);
+ }
+}
+
void bdrv_dec_in_flight(BlockDriverState *bs)
{
atomic_dec(&bs->in_flight);
+ bdrv_wakeup(bs);
}
static bool coroutine_fn wait_serialising_requests(BdrvTrackedRequest *self)
diff --git a/block/nfs.c b/block/nfs.c
index 7474fbc7cc..88c60a9118 100644
--- a/block/nfs.c
+++ b/block/nfs.c
@@ -505,6 +505,7 @@ nfs_get_allocated_file_size_cb(int ret, struct nfs_context *nfs, void *data,
error_report("NFS Error: %s", nfs_get_error(nfs));
}
task->complete = 1;
+ bdrv_wakeup(task->bs);
}
static int64_t nfs_get_allocated_file_size(BlockDriverState *bs)
diff --git a/block/sheepdog.c b/block/sheepdog.c
index 16a5c1c28d..1fb917343a 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -702,6 +702,9 @@ out:
srco->ret = ret;
srco->finished = true;
+ if (srco->bs) {
+ bdrv_wakeup(srco->bs);
+ }
}
/*