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[Qemu-block] [PATCH COLO v4 10/15] NBD client: connect to nbd server lat
From: |
Wen Congyang |
Subject: |
[Qemu-block] [PATCH COLO v4 10/15] NBD client: connect to nbd server later |
Date: |
Fri, 8 May 2015 17:16:02 +0800 |
The secondary qemu starts later than the primary qemu, so we
cannot connect to nbd server in bdrv_open(). Introduce a new
open flags to control it.
Signed-off-by: Wen Congyang <address@hidden>
Signed-off-by: zhanghailiang <address@hidden>
Signed-off-by: Gonglei <address@hidden>
---
block/nbd.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/block/nbd.c b/block/nbd.c
index 0624232..e1a04bb 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -298,10 +298,12 @@ static int nbd_open(BlockDriverState *bs, QDict *options,
int flags,
return -EINVAL;
}
- nbd_connect_server(bs, &local_err);
- if (local_err) {
- error_propagate(errp, local_err);
- return -EINVAL;
+ if (!(flags & BDRV_O_NO_CONNECT)) {
+ nbd_connect_server(bs, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return -EINVAL;
+ }
}
return 0;
--
2.1.0
- [Qemu-block] [PATCH COLO v4 05/15] Backup: clear all bitmap when doing block checkpoint, (continued)
- [Qemu-block] [PATCH COLO v4 05/15] Backup: clear all bitmap when doing block checkpoint, Wen Congyang, 2015/05/08
- [Qemu-block] [PATCH COLO v4 06/15] Don't allow a disk use backing reference target, Wen Congyang, 2015/05/08
- [Qemu-block] [PATCH COLO v4 04/15] block: Parse "backing_reference" option to reference existing BDS, Wen Congyang, 2015/05/08
- [Qemu-block] [PATCH COLO v4 01/15] docs: block replication's description, Wen Congyang, 2015/05/08
- Re: [Qemu-block] [PATCH COLO v4 01/15] docs: block replication's description, Dr. David Alan Gilbert, 2015/05/14
- Re: [Qemu-block] [Qemu-devel] [PATCH COLO v4 01/15] docs: block replication's description, Wen Congyang, 2015/05/14
- Re: [Qemu-block] [Qemu-devel] [PATCH COLO v4 01/15] docs: block replication's description, Dr. David Alan Gilbert, 2015/05/14
- Re: [Qemu-block] [Qemu-devel] [PATCH COLO v4 01/15] docs: block replication's description, Andrey Korolyov, 2015/05/20
- Re: [Qemu-block] [Qemu-devel] [PATCH COLO v4 01/15] docs: block replication's description, Wen Congyang, 2015/05/21
- Re: [Qemu-block] [Qemu-devel] [PATCH COLO v4 01/15] docs: block replication's description, Andrey Korolyov, 2015/05/21
[Qemu-block] [PATCH COLO v4 10/15] NBD client: connect to nbd server later,
Wen Congyang <=
[Qemu-block] [PATCH COLO v4 09/15] Introduce a new -drive option to control whether to connect to remote target, Wen Congyang, 2015/05/08
[Qemu-block] [PATCH COLO v4 11/15] Add new block driver interfaces to control block replication, Wen Congyang, 2015/05/08
[Qemu-block] [PATCH COLO v4 08/15] NBD client: implement block driver interfaces to connect/disconnect NBD server, Wen Congyang, 2015/05/08
[Qemu-block] [PATCH COLO v4 13/15] quorum: implement block driver interfaces for block replication, Wen Congyang, 2015/05/08
[Qemu-block] [PATCH COLO v4 12/15] skip nbd_target when starting block replication, Wen Congyang, 2015/05/08
[Qemu-block] [PATCH COLO v4 14/15] quorum: allow ignoring child errors, Wen Congyang, 2015/05/08
[Qemu-block] [PATCH COLO v4 15/15] Implement new driver for block replication, Wen Congyang, 2015/05/08