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authorVolker Lendecke <vl@samba.org>2012-12-14 16:07:11 +0100
committerStefan Metzmacher <metze@samba.org>2012-12-21 13:54:39 +0100
commita444bb95a270ca5b331041c11a7e785c1e0559b7 (patch)
tree2275a945d72713721bccf95336e3d987a93bc7c8 /lib/tdb/common
parent3109b541c9b2f0063e1ccb0cdaec0a8e388b29b4 (diff)
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tdb: Add a comment explaining the "check"
I had to ask git blame to find why we have to do it here... Reviewed-by: Rusty Russell <rusty@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Autobuild-User(master): Stefan Metzmacher <metze@samba.org> Autobuild-Date(master): Fri Dec 21 13:54:39 CET 2012 on sn-devel-104
Diffstat (limited to 'lib/tdb/common')
-rw-r--r--lib/tdb/common/lock.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/tdb/common/lock.c b/lib/tdb/common/lock.c
index b89cb2dd32..7155a9f470 100644
--- a/lib/tdb/common/lock.c
+++ b/lib/tdb/common/lock.c
@@ -374,7 +374,10 @@ static int tdb_lock_list(struct tdb_context *tdb, int list, int ltype,
return tdb_lock_covered_by_allrecord_lock(tdb, ltype);
}
- /* Only check when we grab first data lock. */
+ /*
+ * Check for recoveries: Someone might have kill -9'ed a process
+ * during a commit.
+ */
check = !have_data_locks(tdb);
ret = tdb_nest_lock(tdb, lock_offset(list), ltype, waitflag);