md-new-param-to-calc_dev_sboffset

When we allow for separate devices for data and metadata
in a later patch, we will need to be able to calculate
the superblock offset based on more than the bdev.

Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>

1 files changed, 6 insertions, 6 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index a91dc593f3ca..0a0d7c2f2ff6 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -705,9 +705,9 @@ static struct mdk_personality *find_pers(int level, char *clevel)
 }
 
 /* return the offset of the super block in 512byte sectors */
-static inline sector_t calc_dev_sboffset(struct block_device *bdev)
+static inline sector_t calc_dev_sboffset(mdk_rdev_t *rdev)
 {
-        sector_t num_sectors = i_size_read(bdev->bd_inode) / 512;
+        sector_t num_sectors = i_size_read(rdev->bdev->bd_inode) / 512;
         return MD_NEW_SIZE_SECTORS(num_sectors);
 }
 
@@ -991,7 +991,7 @@ static int super_90_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version
          *
          * It also happens to be a multiple of 4Kb.
          */
-        rdev->sb_start = calc_dev_sboffset(rdev->bdev);
+        rdev->sb_start = calc_dev_sboffset(rdev);
 
         ret = read_disk_sb(rdev, MD_SB_BYTES);
         if (ret) return ret;
@@ -1332,7 +1332,7 @@ super_90_rdev_size_change(mdk_rdev_t *rdev, sector_t num_sectors)
                 return 0; /* component must fit device */
         if (rdev->mddev->bitmap_info.offset)
                 return 0; /* can't move bitmap */
-        rdev->sb_start = calc_dev_sboffset(rdev->bdev);
+        rdev->sb_start = calc_dev_sboffset(rdev);
         if (!num_sectors || num_sectors > rdev->sb_start)
                 num_sectors = rdev->sb_start;
         md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size,
@@ -5249,7 +5249,7 @@ static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info)
                         printk(KERN_INFO "md: nonpersistent superblock ...\n");
                         rdev->sb_start = i_size_read(rdev->bdev->bd_inode) / 512;
                 } else
-                        rdev->sb_start = calc_dev_sboffset(rdev->bdev);
+                        rdev->sb_start = calc_dev_sboffset(rdev);
                 rdev->sectors = rdev->sb_start;
 
                 err = bind_rdev_to_array(rdev, mddev);
@@ -5316,7 +5316,7 @@ static int hot_add_disk(mddev_t * mddev, dev_t dev)
         }
 
         if (mddev->persistent)
-                rdev->sb_start = calc_dev_sboffset(rdev->bdev);
+                rdev->sb_start = calc_dev_sboffset(rdev);
         else
                 rdev->sb_start = i_size_read(rdev->bdev->bd_inode) / 512;