Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[pandora-kernel.git] / drivers / block / umem.c

diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index 8be5715..031ca72 100644 (file)
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -241,8 +241,7 @@ static void dump_dmastat(struct cardinfo *card, unsigned int dmastat)
  *
  * Whenever IO on the active page completes, the Ready page is activated
  * and the ex-Active page is clean out and made Ready.
- * Otherwise the Ready page is only activated when it becomes full, or
- * when mm_unplug_device is called via the unplug_io_fn.
+ * Otherwise the Ready page is only activated when it becomes full.
  *
  * If a request arrives while both pages a full, it is queued, and b_rdev is
  * overloaded to record whether it was a read or a write.
@@ -333,17 +332,6 @@ static inline void reset_page(struct mm_page *page)
        page->biotail = &page->bio;
 }
 
-static void mm_unplug_device(struct request_queue *q)
-{
-       struct cardinfo *card = q->queuedata;
-       unsigned long flags;
-
-       spin_lock_irqsave(&card->lock, flags);
-       if (blk_remove_plug(q))
-               activate(card);
-       spin_unlock_irqrestore(&card->lock, flags);
-}
-
 /*
  * If there is room on Ready page, take
  * one bh off list and add it.
@@ -535,7 +523,6 @@ static int mm_make_request(struct request_queue *q, struct bio *bio)
        *card->biotail = bio;
        bio->bi_next = NULL;
        card->biotail = &bio->bi_next;
-       blk_plug_device(q);
        spin_unlock_irq(&card->lock);
 
        return 0;
@@ -779,20 +766,10 @@ static int mm_getgeo(struct block_device *bdev, struct hd_geometry *geo)
        return 0;
 }
 
-/*
- * Future support for removable devices
- */
-static int mm_check_change(struct gendisk *disk)
-{
-/*  struct cardinfo *dev = disk->private_data; */
-       return 0;
-}
-
 static const struct block_device_operations mm_fops = {
        .owner          = THIS_MODULE,
        .getgeo         = mm_getgeo,
        .revalidate_disk = mm_revalidate,
-       .media_changed  = mm_check_change,
 };
 
 static int __devinit mm_pci_probe(struct pci_dev *dev,
@@ -907,7 +884,6 @@ static int __devinit mm_pci_probe(struct pci_dev *dev,
        blk_queue_make_request(card->queue, mm_make_request);
        card->queue->queue_lock = &card->lock;
        card->queue->queuedata = card;
-       card->queue->unplug_fn = mm_unplug_device;
 
        tasklet_init(&card->tasklet, process_page, (unsigned long)card);