md: revise Kconfig help for MD_MULTIPATH

[safe/jmp/linux-2.6] / drivers / block / z2ram.c

diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c
index c909c1a..64f941e 100644 (file)
--- a/drivers/block/z2ram.c
+++ b/drivers/block/z2ram.c
@@ -64,17 +64,13 @@ static int current_device   = -1;
 
 static DEFINE_SPINLOCK(z2ram_lock);
 
-static struct block_device_operations z2_fops;
 static struct gendisk *z2ram_gendisk;
 
 static void do_z2_request(struct request_queue *q)
 {
        struct request *req;
 
-       req = elv_next_request(q);
-       if (req)
-               blkdev_dequeue_request(req);
-
+       req = blk_fetch_request(q);
        while (req) {
                unsigned long start = blk_rq_pos(req) << 9;
                unsigned long len  = blk_rq_cur_bytes(req);
@@ -100,11 +96,8 @@ static void do_z2_request(struct request_queue *q)
                        len -= size;
                }
        done:
-               if (!__blk_end_request_cur(req, err)) {
-                       req = elv_next_request(q);
-                       if (req)
-                               blkdev_dequeue_request(req);
-               }
+               if (!__blk_end_request_cur(req, err))
+                       req = blk_fetch_request(q);
        }
 }
 
@@ -321,7 +314,7 @@ z2_release(struct gendisk *disk, fmode_t mode)
     return 0;
 }
 
-static struct block_device_operations z2_fops =
+static const struct block_device_operations z2_fops =
 {
        .owner          = THIS_MODULE,
        .open           = z2_open,
@@ -380,7 +373,7 @@ err:
 static void __exit z2_exit(void)
 {
     int i, j;
-    blk_unregister_region(MKDEV(Z2RAM_MAJOR, 0), 256);
+    blk_unregister_region(MKDEV(Z2RAM_MAJOR, 0), Z2MINOR_COUNT);
     unregister_blkdev(Z2RAM_MAJOR, DEVICE_NAME);
     del_gendisk(z2ram_gendisk);
     put_disk(z2ram_gendisk);