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[PULL 06/14] block/nbd: implement .bdrv_cancel_in_flight
From: |
Eric Blake |
Subject: |
[PULL 06/14] block/nbd: implement .bdrv_cancel_in_flight |
Date: |
Fri, 12 Feb 2021 14:16:11 -0600 |
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Just stop waiting for connection in existing requests.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210205163720.887197-3-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
---
block/nbd.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/block/nbd.c b/block/nbd.c
index b3cbbeb4b0cb..c26dc5a54f52 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -2458,6 +2458,18 @@ static const char *const nbd_strong_runtime_opts[] = {
NULL
};
+static void nbd_cancel_in_flight(BlockDriverState *bs)
+{
+ BDRVNBDState *s = (BDRVNBDState *)bs->opaque;
+
+ reconnect_delay_timer_del(s);
+
+ if (s->state == NBD_CLIENT_CONNECTING_WAIT) {
+ s->state = NBD_CLIENT_CONNECTING_NOWAIT;
+ qemu_co_queue_restart_all(&s->free_sema);
+ }
+}
+
static BlockDriver bdrv_nbd = {
.format_name = "nbd",
.protocol_name = "nbd",
@@ -2484,6 +2496,7 @@ static BlockDriver bdrv_nbd = {
.bdrv_co_block_status = nbd_client_co_block_status,
.bdrv_dirname = nbd_dirname,
.strong_runtime_opts = nbd_strong_runtime_opts,
+ .bdrv_cancel_in_flight = nbd_cancel_in_flight,
};
static BlockDriver bdrv_nbd_tcp = {
@@ -2512,6 +2525,7 @@ static BlockDriver bdrv_nbd_tcp = {
.bdrv_co_block_status = nbd_client_co_block_status,
.bdrv_dirname = nbd_dirname,
.strong_runtime_opts = nbd_strong_runtime_opts,
+ .bdrv_cancel_in_flight = nbd_cancel_in_flight,
};
static BlockDriver bdrv_nbd_unix = {
@@ -2540,6 +2554,7 @@ static BlockDriver bdrv_nbd_unix = {
.bdrv_co_block_status = nbd_client_co_block_status,
.bdrv_dirname = nbd_dirname,
.strong_runtime_opts = nbd_strong_runtime_opts,
+ .bdrv_cancel_in_flight = nbd_cancel_in_flight,
};
static void bdrv_nbd_init(void)
--
2.30.1
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