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vgchange: acquire an exclusive VG lock for refresh

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

Signed-off-by: wangzhiqiang <wangzhiqiang95@huawei.com>
This commit is contained in:
wangzhiqiang 2023-08-30 15:47:42 -05:00 committed by David Teigland
parent 092f58a762
commit 65d23a1d75
1 changed files with 2 additions and 1 deletions
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tools/vgchange.c
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@ -1008,7 +1008,8 @@ int vgchange(struct cmd_context *cmd, int argc, char **argv)
if (update) if (update)
flags |= READ_FOR_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; flags |= READ_FOR_ACTIVATE;
if (!(handle = init_processing_handle(cmd, NULL))) { if (!(handle = init_processing_handle(cmd, NULL))) {