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lvmlockd: use pool lock for tmeta access

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When a command is run on a named tmeta LV, use
the lock on the pool.
This commit is contained in:
David Teigland 2017-12-05 14:31:03 -06:00
parent b9e4198500
commit b910c34f09
1 changed files with 4 additions and 0 deletions
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4
lib/locking/lvmlockd.c
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@ -2161,6 +2161,10 @@ static int _lockd_lv_thin(struct cmd_context *cmd, struct logical_volume *lv,
/* FIXME: there should be a function to get pool lv from data lv. */
pool_lv = lv_parent(lv);
} else if (lv_is_thin_pool_metadata(lv)) {
struct lv_segment *pool_seg = get_only_segment_using_this_lv(lv);
pool_lv = pool_seg->lv;
} else {
/* This should not happen AFAIK. */
log_error("Lock on incorrect thin lv type %s/%s",