block: remove ioc_*_changed()

[karo-tx-linux.git] / block / blk-ioc.c

diff --git a/block/blk-ioc.c b/block/blk-ioc.c
index 439ec21fd787eea2b71fdc798046c392ee96e284..3f3dd51a1280a66c30f75c9acd118ff6d433de27 100644 (file)
--- a/block/blk-ioc.c
+++ b/block/blk-ioc.c
@@ -388,74 +388,6 @@ struct io_cq *ioc_create_icq(struct io_context *ioc, struct request_queue *q,
        return icq;
 }
 
-void ioc_set_icq_flags(struct io_context *ioc, unsigned int flags)
-{
-       struct io_cq *icq;
-       struct hlist_node *n;
-
-       hlist_for_each_entry(icq, n, &ioc->icq_list, ioc_node)
-               icq->flags |= flags;
-}
-
-/**
- * ioc_ioprio_changed - notify ioprio change
- * @ioc: io_context of interest
- * @ioprio: new ioprio
- *
- * @ioc's ioprio has changed to @ioprio.  Set %ICQ_IOPRIO_CHANGED for all
- * icq's.  iosched is responsible for checking the bit and applying it on
- * request issue path.
- */
-void ioc_ioprio_changed(struct io_context *ioc, int ioprio)
-{
-       unsigned long flags;
-
-       spin_lock_irqsave(&ioc->lock, flags);
-       ioc->ioprio = ioprio;
-       ioc_set_icq_flags(ioc, ICQ_IOPRIO_CHANGED);
-       spin_unlock_irqrestore(&ioc->lock, flags);
-}
-
-/**
- * ioc_cgroup_changed - notify cgroup change
- * @ioc: io_context of interest
- *
- * @ioc's cgroup has changed.  Set %ICQ_CGROUP_CHANGED for all icq's.
- * iosched is responsible for checking the bit and applying it on request
- * issue path.
- */
-void ioc_cgroup_changed(struct io_context *ioc)
-{
-       unsigned long flags;
-
-       spin_lock_irqsave(&ioc->lock, flags);
-       ioc_set_icq_flags(ioc, ICQ_CGROUP_CHANGED);
-       spin_unlock_irqrestore(&ioc->lock, flags);
-}
-EXPORT_SYMBOL(ioc_cgroup_changed);
-
-/**
- * icq_get_changed - fetch and clear icq changed mask
- * @icq: icq of interest
- *
- * Fetch and clear ICQ_*_CHANGED bits from @icq.  Grabs and releases
- * @icq->ioc->lock.
- */
-unsigned icq_get_changed(struct io_cq *icq)
-{
-       unsigned int changed = 0;
-       unsigned long flags;
-
-       if (unlikely(icq->flags & ICQ_CHANGED_MASK)) {
-               spin_lock_irqsave(&icq->ioc->lock, flags);
-               changed = icq->flags & ICQ_CHANGED_MASK;
-               icq->flags &= ~ICQ_CHANGED_MASK;
-               spin_unlock_irqrestore(&icq->ioc->lock, flags);
-       }
-       return changed;
-}
-EXPORT_SYMBOL(icq_get_changed);
-
 static int __init blk_ioc_init(void)
 {
        iocontext_cachep = kmem_cache_create("blkdev_ioc",