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lvmlockd: use lock on thin pool when command names tdata

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Some lvconvert commands can be used directly on the data sublv:
lvconvert ... vg/pool_tdata

The correct LV lock to use in lvmlockd is the one on the pool LV.
This commit is contained in:
David Teigland 2017-07-07 12:06:53 -05:00
parent fdd00ecdd1
commit a0f6135e5c
1 changed files with 4 additions and 0 deletions
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4
lib/locking/lvmlockd.c
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@ -2077,6 +2077,10 @@ static int _lockd_lv_thin(struct cmd_context *cmd, struct logical_volume *lv,
} else if (lv_is_thin_pool(lv)) {
pool_lv = lv;
} else if (lv_is_thin_pool_data(lv)) {
/* FIXME: there should be a function to get pool lv from data lv. */
pool_lv = lv_parent(lv);
} else {
/* This should not happen AFAIK. */
log_error("Lock on incorrect thin lv type %s/%s",