Symbol: zfs_refcount_held
usr/src/uts/common/fs/zfs/refcount.c
310
zfs_refcount_held(zfs_refcount_t *rc, const void *holder)
usr/src/uts/common/fs/zfs/sys/refcount.h
140
#define zfs_refcount_held(rc, holder) (zfs_refcount_count(rc) > 0)