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lvchange: fix lvchange refresh failed for dm suspend or resume failed

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When multiple lvchange refresh processes executed at the same time,
suspend/resume ioctl on the same dm, some of these commands will be failed
for dm aready change status, and ioctl will return EINVAL in _do_dm_ioctl function.
to avoid this problem, add READ_FOR_ACTIVATE flags in lvchange refresh process,
it will hold LCK_WRITE lock and avoid suspend/resume dm at the same time.

Signed-off-by: Long YunJian <long.yunjian@zte.com.cn>
Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
This commit is contained in:
Yi Wang 2021-08-13 13:49:13 +08:00 committed by David Teigland
parent e5c0562654
commit 47bcb446b8
1 changed files with 1 additions and 1 deletions
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2
tools/lvchange.c
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@ -1622,7 +1622,7 @@ int lvchange_refresh_cmd(struct cmd_context *cmd, int argc, char **argv)
cmd->lockd_vg_default_sh = 1; cmd->lockd_vg_default_sh = 1;
cmd->ignore_device_name_mismatch = 1; cmd->ignore_device_name_mismatch = 1;
return process_each_lv(cmd, argc, argv, NULL, NULL, 0, return process_each_lv(cmd, argc, argv, NULL, NULL, READ_FOR_ACTIVATE,
NULL, &_lvchange_refresh_check, &_lvchange_refresh_single); NULL, &_lvchange_refresh_check, &_lvchange_refresh_single);
} }