diff options
| -rw-r--r-- | drivers/block/ll_rw_blk.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/block/ll_rw_blk.c b/drivers/block/ll_rw_blk.c index 99afeec..c581f91 100644 --- a/drivers/block/ll_rw_blk.c +++ b/drivers/block/ll_rw_blk.c @@ -912,10 +912,15 @@ void blk_queue_end_tag(request_queue_t *q, struct request *rq) BUG_ON(tag == -1); if (unlikely(tag >= bqt->max_depth)) + /* + * This can happen after tag depth has been reduced. + * FIXME: how about a warning or info message here? + */ return; if (unlikely(!__test_and_clear_bit(tag, bqt->tag_map))) { - printk("attempt to clear non-busy tag (%d)\n", tag); + printk(KERN_ERR "%s: attempt to clear non-busy tag (%d)\n", + __FUNCTION__, tag); return; } @@ -924,7 +929,8 @@ void blk_queue_end_tag(request_queue_t *q, struct request *rq) rq->tag = -1; if (unlikely(bqt->tag_index[tag] == NULL)) - printk("tag %d is missing\n", tag); + printk(KERN_ERR "%s: tag %d is missing\n", + __FUNCTION__, tag); bqt->tag_index[tag] = NULL; bqt->busy--; @@ -957,8 +963,9 @@ int blk_queue_start_tag(request_queue_t *q, struct request *rq) if (unlikely((rq->flags & REQ_QUEUED))) { printk(KERN_ERR - "request %p for device [%s] already tagged %d", - rq, rq->rq_disk ? rq->rq_disk->disk_name : "?", rq->tag); + "%s: request %p for device [%s] already tagged %d", + __FUNCTION__, rq, + rq->rq_disk ? rq->rq_disk->disk_name : "?", rq->tag); BUG(); } @@ -1001,7 +1008,8 @@ void blk_queue_invalidate_tags(request_queue_t *q) rq = list_entry_rq(tmp); if (rq->tag == -1) { - printk("bad tag found on list\n"); + printk(KERN_ERR + "%s: bad tag found on list\n", __FUNCTION__); list_del_init(&rq->queuelist); rq->flags &= ~REQ_QUEUED; } else |
