Symbol: zfs_refcount_is_zero
usr/src/uts/common/fs/zfs/refcount.c
123
zfs_refcount_is_zero(zfs_refcount_t *rc)
usr/src/uts/common/fs/zfs/sys/refcount.h
121
#define zfs_refcount_is_zero(rc) (zfs_refcount_count(rc) == 0)