scsi: move scsicam_bios_param to the end of scsicam.c

This avoids the need for a forward declaration and generally keeps the
file in the lower level first, high level last order.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/scsi/scsicam.c b/drivers/scsi/scsicam.c
index 91a9530a4dcbe4617603d5ad7f2e5636d61b9722..248ab23d2e69c6286c1f241c8342e631ddecb236 100644 (file)
--- a/drivers/scsi/scsicam.c
+++ b/drivers/scsi/scsicam.c
@@ -21,10 +21,6 @@
 
 #include <scsi/scsicam.h>
 
-
-static int setsize(unsigned long capacity, unsigned int *cyls, unsigned int *hds,
-                  unsigned int *secs);
-
 /**
  * scsi_bios_ptable - Read PC partition table out of first sector of device.
  * @dev: from this device
@@ -50,63 +46,6 @@ unsigned char *scsi_bios_ptable(struct block_device *dev)
 }
 EXPORT_SYMBOL(scsi_bios_ptable);
 
-/**
- * scsicam_bios_param - Determine geometry of a disk in cylinders/heads/sectors.
- * @bdev: which device
- * @capacity: size of the disk in sectors
- * @ip: return value: ip[0]=heads, ip[1]=sectors, ip[2]=cylinders
- *
- * Description : determine the BIOS mapping/geometry used for a drive in a
- *      SCSI-CAM system, storing the results in ip as required
- *      by the HDIO_GETGEO ioctl().
- *
- * Returns : -1 on failure, 0 on success.
- */
-
-int scsicam_bios_param(struct block_device *bdev, sector_t capacity, int *ip)
-{
-       unsigned char *p;
-       u64 capacity64 = capacity;      /* Suppress gcc warning */
-       int ret;
-
-       p = scsi_bios_ptable(bdev);
-       if (!p)
-               return -1;
-
-       /* try to infer mapping from partition table */
-       ret = scsi_partsize(p, (unsigned long)capacity, (unsigned int *)ip + 2,
-                              (unsigned int *)ip + 0, (unsigned int *)ip + 1);
-       kfree(p);
-
-       if (ret == -1 && capacity64 < (1ULL << 32)) {
-               /* pick some standard mapping with at most 1024 cylinders,
-                  and at most 62 sectors per track - this works up to
-                  7905 MB */
-               ret = setsize((unsigned long)capacity, (unsigned int *)ip + 2,
-                      (unsigned int *)ip + 0, (unsigned int *)ip + 1);
-       }
-
-       /* if something went wrong, then apparently we have to return
-          a geometry with more than 1024 cylinders */
-       if (ret || ip[0] > 255 || ip[1] > 63) {
-               if ((capacity >> 11) > 65534) {
-                       ip[0] = 255;
-                       ip[1] = 63;
-               } else {
-                       ip[0] = 64;
-                       ip[1] = 32;
-               }
-
-               if (capacity > 65535*63*255)
-                       ip[2] = 65535;
-               else
-                       ip[2] = (unsigned long)capacity / (ip[0] * ip[1]);
-       }
-
-       return 0;
-}
-EXPORT_SYMBOL(scsicam_bios_param);
-
 /**
  * scsi_partsize - Parse cylinders/heads/sectors from PC partition table
  * @buf: partition table, see scsi_bios_ptable()
@@ -256,3 +195,62 @@ static int setsize(unsigned long capacity, unsigned int *cyls, unsigned int *hds
        *hds = (unsigned int) heads;
        return (rv);
 }
+
+/**
+ * scsicam_bios_param - Determine geometry of a disk in cylinders/heads/sectors.
+ * @bdev: which device
+ * @capacity: size of the disk in sectors
+ * @ip: return value: ip[0]=heads, ip[1]=sectors, ip[2]=cylinders
+ *
+ * Description : determine the BIOS mapping/geometry used for a drive in a
+ *      SCSI-CAM system, storing the results in ip as required
+ *      by the HDIO_GETGEO ioctl().
+ *
+ * Returns : -1 on failure, 0 on success.
+ */
+int scsicam_bios_param(struct block_device *bdev, sector_t capacity, int *ip)
+{
+       unsigned char *p;
+       u64 capacity64 = capacity;      /* Suppress gcc warning */
+       int ret;
+
+       p = scsi_bios_ptable(bdev);
+       if (!p)
+               return -1;
+
+       /* try to infer mapping from partition table */
+       ret = scsi_partsize(p, (unsigned long)capacity, (unsigned int *)ip + 2,
+                              (unsigned int *)ip + 0, (unsigned int *)ip + 1);
+       kfree(p);
+
+       if (ret == -1 && capacity64 < (1ULL << 32)) {
+               /*
+                * Pick some standard mapping with at most 1024 cylinders, and
+                * at most 62 sectors per track - this works up to 7905 MB.
+                */
+               ret = setsize((unsigned long)capacity, (unsigned int *)ip + 2,
+                      (unsigned int *)ip + 0, (unsigned int *)ip + 1);
+       }
+
+       /*
+        * If something went wrong, then apparently we have to return a geometry
+        * with more than 1024 cylinders.
+        */
+       if (ret || ip[0] > 255 || ip[1] > 63) {
+               if ((capacity >> 11) > 65534) {
+                       ip[0] = 255;
+                       ip[1] = 63;
+               } else {
+                       ip[0] = 64;
+                       ip[1] = 32;
+               }
+
+               if (capacity > 65535*63*255)
+                       ip[2] = 65535;
+               else
+                       ip[2] = (unsigned long)capacity / (ip[0] * ip[1]);
+       }
+
+       return 0;
+}
+EXPORT_SYMBOL(scsicam_bios_param);