bfin-5761/super.i.4

   1 typedef unsigned long long u64;
   2 struct super_block {
   3         unsigned long s_blocksize;
   4         struct block_device *s_bdev;
   5 };
   6 struct buffer_head {
   7         u64 b_blocknr;
   8 };
   9 int sb_bread(struct super_block *sb, u64 block)
  10 {
  11         return __bread(sb->s_bdev, block, sb->s_blocksize);
  12 }
  13
  14 struct {
  15         int (*test) (struct sysv_sb_info *, struct buffer_head *);
  16 } flavours[];
  17 int sysv_fill_super(struct super_block *sb)
  18 {
  19         struct buffer_head *bh = 0;
  20         unsigned long blocknr;
  21         switch (test(sb, bh)) {
  22         case 3:
  23                 blocknr = bh->b_blocknr >> 1;
  24                 bh = sb_bread(sb, blocknr);
  25         }
  26 }