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authorCoiby Xu <coiby.xu@gmail.com>2020-09-18 16:09:10 +0800
committerStefan Hajnoczi <stefanha@redhat.com>2020-10-23 13:42:16 +0100
commit3578389bcf76c824a5d82e6586a6f0c71e56f2aa (patch)
tree5e6a6aa384e02162dba0b44b500a2c38df848f0c /softmmu
parent5937835ac4cfb2f5e16bebf13b9ea42770c96785 (diff)
block/export: vhost-user block device backend server
By making use of libvhost-user, block device drive can be shared to the connected vhost-user client. Only one client can connect to the server one time. Since vhost-user-server needs a block drive to be created first, delay the creation of this object. Suggested-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Coiby Xu <coiby.xu@gmail.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-id: 20200918080912.321299-6-coiby.xu@gmail.com [Shorten "vhost_user_blk_server" string to "vhost_user_blk" to avoid the following compiler warning: ../block/export/vhost-user-blk-server.c:178:50: error: ‘%s’ directive output truncated writing 21 bytes into a region of size 20 [-Werror=format-truncation=] and fix "Invalid size %ld ..." ssize_t format string arguments for 32-bit hosts. --Stefan] Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'softmmu')
-rw-r--r--softmmu/vl.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/softmmu/vl.c b/softmmu/vl.c
index 14fc527fc6..e86d20334b 100644
--- a/softmmu/vl.c
+++ b/softmmu/vl.c
@@ -2540,6 +2540,10 @@ static bool object_create_initial(const char *type, QemuOpts *opts)
}
#endif
+ /* Reason: vhost-user-blk-server property "node-name" */
+ if (g_str_equal(type, "vhost-user-blk-server")) {
+ return false;
+ }
/*
* Reason: filter-* property "netdev" etc.
*/