fs/btrfs/compat.h

   1 #ifndef _COMPAT_H_
   2 #define _COMPAT_H_
   3
   4 #define btrfs_drop_nlink(inode) drop_nlink(inode)
   5 #define btrfs_inc_nlink(inode)  inc_nlink(inode)
   6
   7 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 27)
   8 static inline struct dentry *d_obtain_alias(struct inode *inode)
   9 {
  10         struct dentry *d;
  11
  12         if (!inode)
  13                 return NULL;
  14         if (IS_ERR(inode))
  15                 return ERR_CAST(inode);
  16
  17         d = d_alloc_anon(inode);
  18         if (!d)
  19                 iput(inode);
  20         return d;
  21 }
  22 #endif
  23
  24 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 28)
  25 # define  __pagevec_lru_add_file __pagevec_lru_add
  26 # define open_bdev_exclusive open_bdev_excl
  27 # define close_bdev_exclusive(bdev, mode) close_bdev_excl(bdev)
  28 typedef unsigned __bitwise__ fmode_t;
  29 #endif
  30
  31
  32 #endif /* _COMPAT_H_ */