bfin-5761/super.i.2

   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 struct buffer_head *sb_bread(struct super_block *sb, u64 block)
  10 {
  11         return __bread(sb->s_bdev, block, sb->s_blocksize);
  12 }
  13 int detect_sysv(struct sysv_sb_info *sbi, struct buffer_head *bh)
  14 {
  15 }
  16 struct {
  17         int (*test) (struct sysv_sb_info *, struct buffer_head *);
  18 } flavours[] = {
  19         {
  20         0, detect_sysv}
  21 ,};
  22 int sysv_fill_super(struct super_block *sb, void *data, int silent)
  23 {
  24         struct buffer_head *bh1;
  25         struct buffer_head *bh = ((void *)0);
  26         unsigned long blocknr;
  27         int size = 0;
  28         int i;
  29         for (i = 0; i < (sizeof(flavours) / sizeof((flavours)[0]) + (sizeof(struct {
  30                                                                             }
  31                                                                      )))
  32              && !size; i++) {
  33                 size = flavours[i].test(SYSV_SB(sb), bh);
  34         }
  35         switch (size) {
  36         case 3:
  37                 blocknr = bh->b_blocknr >> 1;
  38                 bh1 = bh = sb_bread(sb, blocknr);
  39         }
  40 }