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authorPaolo Bonzini <pbonzini@redhat.com>2017-02-13 19:12:43 +0100
committerStefan Hajnoczi <stefanha@redhat.com>2017-02-21 11:39:40 +0000
commit1ace7ceac507d90d50ecb2e13f7222beadb64d92 (patch)
tree0a457dc7da86284d408e13ceefc764b914b90b41 /block/nbd-client.c
parentf8c6e1cbc3d397207bedabdb2932fd6e1d7484df (diff)
coroutine-lock: add mutex argument to CoQueue APIs
All that CoQueue needs in order to become thread-safe is help from an external mutex. Add this to the API. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Message-id: 20170213181244.16297-6-pbonzini@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'block/nbd-client.c')
-rw-r--r--block/nbd-client.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/nbd-client.c b/block/nbd-client.c
index 10fcc9e81d..0dc12c2d67 100644
--- a/block/nbd-client.c
+++ b/block/nbd-client.c
@@ -182,7 +182,7 @@ static void nbd_coroutine_start(NBDClientSession *s,
/* Poor man semaphore. The free_sema is locked when no other request
* can be accepted, and unlocked after receiving one reply. */
if (s->in_flight == MAX_NBD_REQUESTS) {
- qemu_co_queue_wait(&s->free_sema);
+ qemu_co_queue_wait(&s->free_sema, NULL);
assert(s->in_flight < MAX_NBD_REQUESTS);
}
s->in_flight++;