diff options
Diffstat (limited to 'sys/contrib/openzfs/module/zfs/multilist.c')
| -rw-r--r-- | sys/contrib/openzfs/module/zfs/multilist.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/sys/contrib/openzfs/module/zfs/multilist.c b/sys/contrib/openzfs/module/zfs/multilist.c index b1cdf1c5c5f4..3d3ef86e6839 100644 --- a/sys/contrib/openzfs/module/zfs/multilist.c +++ b/sys/contrib/openzfs/module/zfs/multilist.c @@ -277,9 +277,15 @@ multilist_get_random_index(multilist_t *ml) return (random_in_range(ml->ml_num_sublists)); } +void +multilist_sublist_lock(multilist_sublist_t *mls) +{ + mutex_enter(&mls->mls_lock); +} + /* Lock and return the sublist specified at the given index */ multilist_sublist_t * -multilist_sublist_lock(multilist_t *ml, unsigned int sublist_idx) +multilist_sublist_lock_idx(multilist_t *ml, unsigned int sublist_idx) { multilist_sublist_t *mls; @@ -294,7 +300,7 @@ multilist_sublist_lock(multilist_t *ml, unsigned int sublist_idx) multilist_sublist_t * multilist_sublist_lock_obj(multilist_t *ml, void *obj) { - return (multilist_sublist_lock(ml, ml->ml_index_func(ml, obj))); + return (multilist_sublist_lock_idx(ml, ml->ml_index_func(ml, obj))); } void @@ -327,6 +333,22 @@ multilist_sublist_insert_tail(multilist_sublist_t *mls, void *obj) list_insert_tail(&mls->mls_list, obj); } +/* please see comment above multilist_sublist_insert_head */ +void +multilist_sublist_insert_after(multilist_sublist_t *mls, void *prev, void *obj) +{ + ASSERT(MUTEX_HELD(&mls->mls_lock)); + list_insert_after(&mls->mls_list, prev, obj); +} + +/* please see comment above multilist_sublist_insert_head */ +void +multilist_sublist_insert_before(multilist_sublist_t *mls, void *next, void *obj) +{ + ASSERT(MUTEX_HELD(&mls->mls_lock)); + list_insert_before(&mls->mls_list, next, obj); +} + /* * Move the object one element forward in the list. * |