diff options
Diffstat (limited to 'drivers/block/ll_rw_blk.c')
-rw-r--r-- | drivers/block/ll_rw_blk.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/block/ll_rw_blk.c b/drivers/block/ll_rw_blk.c index 11ef9d9ea139..81fe3a0c1fe7 100644 --- a/drivers/block/ll_rw_blk.c +++ b/drivers/block/ll_rw_blk.c @@ -2038,7 +2038,6 @@ EXPORT_SYMBOL(blk_requeue_request); * @rq: request to be inserted * @at_head: insert request at head or tail of queue * @data: private data - * @reinsert: true if request it a reinsertion of previously processed one * * Description: * Many block devices need to execute commands asynchronously, so they don't @@ -2053,8 +2052,9 @@ EXPORT_SYMBOL(blk_requeue_request); * host that is unable to accept a particular command. */ void blk_insert_request(request_queue_t *q, struct request *rq, - int at_head, void *data, int reinsert) + int at_head, void *data) { + int where = at_head ? ELEVATOR_INSERT_FRONT : ELEVATOR_INSERT_BACK; unsigned long flags; /* @@ -2071,20 +2071,12 @@ void blk_insert_request(request_queue_t *q, struct request *rq, /* * If command is tagged, release the tag */ - if (reinsert) - blk_requeue_request(q, rq); - else { - int where = ELEVATOR_INSERT_BACK; - - if (at_head) - where = ELEVATOR_INSERT_FRONT; + if (blk_rq_tagged(rq)) + blk_queue_end_tag(q, rq); - if (blk_rq_tagged(rq)) - blk_queue_end_tag(q, rq); + drive_stat_acct(rq, rq->nr_sectors, 1); + __elv_add_request(q, rq, where, 0); - drive_stat_acct(rq, rq->nr_sectors, 1); - __elv_add_request(q, rq, where, 0); - } if (blk_queue_plugged(q)) __generic_unplug_device(q); else @@ -3582,7 +3574,7 @@ queue_attr_show(struct kobject *kobj, struct attribute *attr, char *page) q = container_of(kobj, struct request_queue, kobj); if (!entry->show) - return 0; + return -EIO; return entry->show(q, page); } @@ -3596,7 +3588,7 @@ queue_attr_store(struct kobject *kobj, struct attribute *attr, q = container_of(kobj, struct request_queue, kobj); if (!entry->store) - return -EINVAL; + return -EIO; return entry->store(q, page, length); } |