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ocfs2: dump lockres info before we BUG() on a bad reference

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Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
This commit is contained in:
Kurt Hackel
2006-04-27 19:24:21 -07:00
committed by Mark Fasheh
parent c0a8520c73
commit a7f90d83ea
1 changed files with 22 additions and 0 deletions
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22
fs/ocfs2/dlm/dlmmaster.c
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@@ -619,6 +619,28 @@ static void dlm_lockres_release(struct kref *kref)
mlog(0, "destroying lockres %.*s\n", res->lockname.len, mlog(0, "destroying lockres %.*s\n", res->lockname.len,
res->lockname.name); res->lockname.name);
if (!hlist_unhashed(&res->hash_node) ||
!list_empty(&res->granted) ||
!list_empty(&res->converting) ||
!list_empty(&res->blocked) ||
!list_empty(&res->dirty) ||
!list_empty(&res->recovering) ||
!list_empty(&res->purge)) {
mlog(ML_ERROR,
"Going to BUG for resource %.*s."
" We're on a list! [%c%c%c%c%c%c%c]\n",
res->lockname.len, res->lockname.name,
!hlist_unhashed(&res->hash_node) ? 'H' : ' ',
!list_empty(&res->granted) ? 'G' : ' ',
!list_empty(&res->converting) ? 'C' : ' ',
!list_empty(&res->blocked) ? 'B' : ' ',
!list_empty(&res->dirty) ? 'D' : ' ',
!list_empty(&res->recovering) ? 'R' : ' ',
!list_empty(&res->purge) ? 'P' : ' ');
dlm_print_one_lock_resource(res);
}
/* By the time we're ready to blow this guy away, we shouldn't /* By the time we're ready to blow this guy away, we shouldn't
* be on any lists. */ * be on any lists. */
BUG_ON(!hlist_unhashed(&res->hash_node)); BUG_ON(!hlist_unhashed(&res->hash_node));