new_flag
static struct dm_buffer *__alloc_buffer_wait_no_callback(struct dm_bufio_client *c, enum new_flag nf)
static struct dm_buffer *__alloc_buffer_wait(struct dm_bufio_client *c, enum new_flag nf)
enum new_flag nf, int *need_submit,
enum new_flag nf, struct dm_buffer **bp,
int old_flag, int new_flag)
val | old_flag, val | new_flag);