[lvm-devel] [Git][lvmteam/lvm2][main] vgchange: acquire an exclusive VG lock for refresh

[David Teigland (@teigland)]

David Teigland pushed to branch main at LVM team / lvm2


Commits:
65d23a1d by wangzhiqiang at 2023-08-30T15:47:42-05:00
vgchange: acquire an exclusive VG lock for refresh

Concurrent vgchange --refresh commands can lead to hung
tasks in dm code.

Signed-off-by: wangzhiqiang <wangzhiqiang95 at huawei.com>

- - - - -


1 changed file:

- tools/vgchange.c


Changes:

=====================================
tools/vgchange.c
=====================================
@@ -1008,7 +1008,8 @@ int vgchange(struct cmd_context *cmd, int argc, char **argv)
 
 	if (update)
 		flags |= READ_FOR_UPDATE;
-	else if (arg_is_set(cmd, activate_ARG))
+	else if (arg_is_set(cmd, activate_ARG) ||
+		 arg_is_set(cmd, refresh_ARG))
 		flags |= READ_FOR_ACTIVATE;
 
 	if (!(handle = init_processing_handle(cmd, NULL))) {



View it on GitLab: https://gitlab.com/lvmteam/lvm2/-/commit/65d23a1d75013f328e9a3a1914484514621822ef

-- 
View it on GitLab: https://gitlab.com/lvmteam/lvm2/-/commit/65d23a1d75013f328e9a3a1914484514621822ef
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