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#ifndef _COMPAT_H_
#define _COMPAT_H_
#define btrfs_drop_nlink(inode) drop_nlink(inode)
#define btrfs_inc_nlink(inode) inc_nlink(inode)
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,27)
static inline struct dentry *d_obtain_alias(struct inode *inode)
{
struct dentry *d;
if (!inode)
return NULL;
if (IS_ERR(inode))
return ERR_CAST(inode);
d = d_alloc_anon(inode);
if (!d)
iput(inode);
return d;
}
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
# define __pagevec_lru_add_file __pagevec_lru_add
# define open_bdev_exclusive open_bdev_excl
# define close_bdev_exclusive(bdev, mode) close_bdev_excl(bdev)
typedef unsigned __bitwise__ fmode_t;
#endif
#endif /* _COMPAT_H_ */
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