aboutsummaryrefslogtreecommitdiff
path: root/block
diff options
context:
space:
mode:
authorPaolo Bonzini <pbonzini@redhat.com>2022-04-14 19:57:56 +0200
committerEric Blake <eblake@redhat.com>2022-04-26 13:16:42 -0500
commit620c5cb5da57dc97f655e6218e7ca9bc896394a2 (patch)
tree31772b17286a6eae7ceba269db731127b674f474 /block
parenta80a9a1c7397382fc4c4e6feaa8242b25cadb519 (diff)
nbd: document what is protected by the CoMutexes
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20220414175756.671165-10-pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Lukas Straub <lukasstraub2@web.de> Signed-off-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'block')
-rw-r--r--block/nbd.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/block/nbd.c b/block/nbd.c
index 3bfcf4d97c..6085ab1d2c 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -81,12 +81,18 @@ typedef struct BDRVNBDState {
NBDClientRequest requests[MAX_NBD_REQUESTS];
QEMUTimer *reconnect_delay_timer;
+ /* Protects sending data on the socket. */
CoMutex send_mutex;
+
+ /*
+ * Protects receiving reply headers from the socket, as well as the
+ * fields reply and requests[].receiving
+ */
CoMutex receive_mutex;
+ NBDReply reply;
QEMUTimer *open_timer;
- NBDReply reply;
BlockDriverState *bs;
/* Connection parameters */