xen-blkback: Inline some of the functions that were moved from vbd/interface.c

[mv-sheeva.git] / drivers / block / xen-blkback / blkback.c

diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index 63001fac9af24f9b2c89d2c748a646c131bab257..806c2c947c63f22420ac139940fdfec0d7edd924 100644 (file)
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -170,75 +170,9 @@ static void free_req(struct pending_req *req)
  * Routines for managing virtual block devices (vbds).
  */
 
-#define vbd_sz(_v)     ((_v)->bdev->bd_part ? \
-                        (_v)->bdev->bd_part->nr_sects : \
-                         get_capacity((_v)->bdev->bd_disk))
 
-unsigned long long vbd_size(struct vbd *vbd)
-{
-       return vbd_sz(vbd);
-}
-
-unsigned int vbd_info(struct vbd *vbd)
-{
-       return vbd->type | (vbd->readonly ? VDISK_READONLY : 0);
-}
-
-unsigned long vbd_secsize(struct vbd *vbd)
-{
-       return bdev_logical_block_size(vbd->bdev);
-}
-
-int vbd_create(struct blkif_st *blkif, blkif_vdev_t handle, unsigned major,
-              unsigned minor, int readonly, int cdrom)
-{
-       struct vbd *vbd;
-       struct block_device *bdev;
-
-       vbd = &blkif->vbd;
-       vbd->handle   = handle;
-       vbd->readonly = readonly;
-       vbd->type     = 0;
-
-       vbd->pdevice  = MKDEV(major, minor);
-
-       bdev = blkdev_get_by_dev(vbd->pdevice, vbd->readonly ?
-                                FMODE_READ : FMODE_WRITE, NULL);
-
-       if (IS_ERR(bdev)) {
-               DPRINTK("vbd_creat: device %08x could not be opened.\n",
-                       vbd->pdevice);
-               return -ENOENT;
-       }
-
-       vbd->bdev = bdev;
-       vbd->size = vbd_size(vbd);
-
-       if (vbd->bdev->bd_disk == NULL) {
-               DPRINTK("vbd_creat: device %08x doesn't exist.\n",
-                       vbd->pdevice);
-               vbd_free(vbd);
-               return -ENOENT;
-       }
-
-       if (vbd->bdev->bd_disk->flags & GENHD_FL_CD || cdrom)
-               vbd->type |= VDISK_CDROM;
-       if (vbd->bdev->bd_disk->flags & GENHD_FL_REMOVABLE)
-               vbd->type |= VDISK_REMOVABLE;
-
-       DPRINTK("Successful creation of handle=%04x (dom=%u)\n",
-               handle, blkif->domid);
-       return 0;
-}
-
-void vbd_free(struct vbd *vbd)
-{
-       if (vbd->bdev)
-               blkdev_put(vbd->bdev, vbd->readonly ? FMODE_READ : FMODE_WRITE);
-       vbd->bdev = NULL;
-}
-
-int vbd_translate(struct phys_req *req, struct blkif_st *blkif, int operation)
+static int vbd_translate(struct phys_req *req, struct blkif_st *blkif,
+                        int operation)
 {
        struct vbd *vbd = &blkif->vbd;
        int rc = -EACCES;
@@ -257,13 +191,13 @@ int vbd_translate(struct phys_req *req, struct blkif_st *blkif, int operation)
        return rc;
 }
 
-void vbd_resize(struct blkif_st *blkif)
+static void vbd_resize(struct blkif_st *blkif)
 {
        struct vbd *vbd = &blkif->vbd;
        struct xenbus_transaction xbt;
        int err;
        struct xenbus_device *dev = blkback_xenbus(blkif->be);
-       unsigned long long new_size = vbd_size(vbd);
+       unsigned long long new_size = vbd_sz(vbd);
 
        printk(KERN_INFO "VBD Resize: Domid: %d, Device: (%d, %d)\n",
                blkif->domid, MAJOR(vbd->pdevice), MINOR(vbd->pdevice));
@@ -276,7 +210,7 @@ again:
                return;
        }
        err = xenbus_printf(xbt, dev->nodename, "sectors", "%llu",
-                           vbd_size(vbd));
+                           (unsigned long long)vbd_sz(vbd));
        if (err) {
                printk(KERN_WARNING "Error writing new size");
                goto abort;
@@ -344,7 +278,7 @@ int blkif_schedule(void *arg)
        while (!kthread_should_stop()) {
                if (try_to_freeze())
                        continue;
-               if (unlikely(vbd->size != vbd_size(vbd)))
+               if (unlikely(vbd->size != vbd_sz(vbd)))
                        vbd_resize(blkif);
 
                wait_event_interruptible(