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From 0f4592f79f8c24f84db18a8c39c6056b2a0be524 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@redhat.com>
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Date: Fri, 7 Jan 2022 11:54:19 +0100
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Subject: [PATCH 1/5] qemu-storage-daemon: Add vhost-user-blk help
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Kevin Wolf <kwolf@redhat.com>
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RH-MergeRequest: 63: qemu-storage-daemon: Add vhost-user-blk help
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RH-Commit: [1/2] 6b08fec5d6ceea9f8f3810321099310069e08b53 (kmwolf/centos-qemu-kvm)
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RH-Bugzilla: 1962088
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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RH-Acked-by: Stefano Garzarella <sgarzare@redhat.com>
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RH-Acked-by: Hanna Reitz <hreitz@redhat.com>
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Add missing vhost-user-blk help:
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$ qemu-storage-daemon -h
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...
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--export [type=]vhost-user-blk,id=<id>,node-name=<node-name>,
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addr.type=unix,addr.path=<socket-path>[,writable=on|off]
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[,logical-block-size=<block-size>][,num-queues=<num-queues>]
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export the specified block node as a
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vhosts-user-blk device over UNIX domain socket
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--export [type=]vhost-user-blk,id=<id>,node-name=<node-name>,
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fd,addr.str=<fd>[,writable=on|off]
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[,logical-block-size=<block-size>][,num-queues=<num-queues>]
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export the specified block node as a
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vhosts-user-blk device over file descriptor
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...
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Fixes: 90fc91d50b7 ("convert vhost-user-blk server to block export API")
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Reported-by: Qing Wang <qinwang@redhat.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
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Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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Message-Id: <20220107105420.395011-3-f4bug@amsat.org>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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(cherry picked from commit c8cbc9524269d9583749aaaea8aa244add7e1900)
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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---
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storage-daemon/qemu-storage-daemon.c | 13 +++++++++++++
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1 file changed, 13 insertions(+)
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diff --git a/storage-daemon/qemu-storage-daemon.c b/storage-daemon/qemu-storage-daemon.c
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index 52cf17e8ac..9d76d1114d 100644
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--- a/storage-daemon/qemu-storage-daemon.c
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+++ b/storage-daemon/qemu-storage-daemon.c
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@@ -104,6 +104,19 @@ static void help(void)
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" export the specified block node over FUSE\n"
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"\n"
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#endif /* CONFIG_FUSE */
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+#ifdef CONFIG_VHOST_USER_BLK_SERVER
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+" --export [type=]vhost-user-blk,id=<id>,node-name=<node-name>,\n"
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+" addr.type=unix,addr.path=<socket-path>[,writable=on|off]\n"
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+" [,logical-block-size=<block-size>][,num-queues=<num-queues>]\n"
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+" export the specified block node as a\n"
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+" vhost-user-blk device over UNIX domain socket\n"
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+" --export [type=]vhost-user-blk,id=<id>,node-name=<node-name>,\n"
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+" fd,addr.str=<fd>[,writable=on|off]\n"
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+" [,logical-block-size=<block-size>][,num-queues=<num-queues>]\n"
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+" export the specified block node as a\n"
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+" vhost-user-blk device over file descriptor\n"
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+"\n"
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+#endif /* CONFIG_VHOST_USER_BLK_SERVER */
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" --monitor [chardev=]name[,mode=control][,pretty[=on|off]]\n"
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" configure a QMP monitor\n"
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"\n"
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--
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2.27.0
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