diff options
Diffstat (limited to 'usr/src/uts/common/fs/zfs/unique.c')
| -rw-r--r-- | usr/src/uts/common/fs/zfs/unique.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/usr/src/uts/common/fs/zfs/unique.c b/usr/src/uts/common/fs/zfs/unique.c index 90aa13817d..fbe7b619a2 100644 --- a/usr/src/uts/common/fs/zfs/unique.c +++ b/usr/src/uts/common/fs/zfs/unique.c @@ -19,7 +19,7 @@ * CDDL HEADER END */ /* - * Copyright 2006 Sun Microsystems, Inc. All rights reserved. + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -30,7 +30,7 @@ #include <sys/unique.h> static avl_tree_t unique_avl; -static kmutex_t unique_mtx; /* Lock never initialized. */ +static kmutex_t unique_mtx; typedef struct unique { avl_node_t un_link; @@ -57,12 +57,22 @@ unique_init(void) { avl_create(&unique_avl, unique_compare, sizeof (unique_t), offsetof(unique_t, un_link)); + mutex_init(&unique_mtx, NULL, MUTEX_DEFAULT, NULL); +} + +void +unique_fini(void) +{ + avl_destroy(&unique_avl); + mutex_destroy(&unique_mtx); } uint64_t unique_create(void) { - return (unique_insert(0)); + uint64_t value = unique_insert(0); + unique_remove(value); + return (value); } uint64_t |