lo_refcnt 1246 drivers/block/loop.c if (atomic_read(&lo->lo_refcnt) > 1) { lo_refcnt 1823 drivers/block/loop.c atomic_inc(&lo->lo_refcnt); lo_refcnt 1835 drivers/block/loop.c if (atomic_dec_return(&lo->lo_refcnt)) lo_refcnt 2082 drivers/block/loop.c atomic_set(&lo->lo_refcnt, 0); lo_refcnt 2202 drivers/block/loop.c if (atomic_read(&lo->lo_refcnt) > 0) { lo_refcnt 31 drivers/block/loop.h atomic_t lo_refcnt;