fs/pstore/zone.c

29  * @datalen: length of data in @data
36 	atomic_t datalen;
162 	return atomic_read(&zone->buffer->datalen);
214 		atomic_set(&zone->buffer->datalen, wlen + off);
307 		atomic_set(&new->buffer->datalen, 0);
311 	atomic_set(&old->buffer->datalen, 0);
411 		if (zone->buffer_size < atomic_read(&buf->datalen)) {
442 		if (!atomic_read(&buf->datalen)) {
443 			pr_debug("found erased zone: %s: id %lu, off %lld, size %zu, datalen %d\n",
446 					atomic_read(&buf->datalen));
452 		pr_debug("found nice zone: %s: id %lu, off %lld, size %zu, datalen %d\n",
454 				zone->buffer_size, atomic_read(&buf->datalen));
513 	if (zone->buffer_size < atomic_read(&tmpbuf.datalen) ||
521 	if (!atomic_read(&tmpbuf.datalen)) {
522 		pr_debug("found erased zone: %s: off %lld, size %zu, datalen %d\n",
524 				atomic_read(&tmpbuf.datalen));
528 	pr_debug("found nice zone: %s: off %lld, size %zu, datalen %d\n",
530 			atomic_read(&tmpbuf.datalen));
532 	len = atomic_read(&tmpbuf.datalen) + sizeof(*oldbuf);
539 	len = atomic_read(&oldbuf->datalen);
645 	if (zone && zone->oldbuf && atomic_read(&zone->oldbuf->datalen))
673 	atomic_set(&zone->buffer->datalen, 0);
834 	if (atomic_read(&zone->buffer->datalen) >= zone->buffer_size)
858 	 * psz_zone_write will set datalen as start + cnt.
861 	 * beginning of zone, which make buffer->datalen wrongly.
862 	 * So we should reset datalen as buffer size once actual data length
866 		atomic_set(&zone->buffer->datalen, zone->buffer_size);
966 		atomic_set(&zone->buffer->datalen, 0);
1019 			(char *)buf->data, atomic_read(&buf->datalen));
1045 	len = atomic_read(&buf->datalen);
1185 	atomic_set(&zone->buffer->datalen, 0);