diff options
Diffstat (limited to 'fs/btrfs/compat.h')
| -rw-r--r-- | fs/btrfs/compat.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/fs/btrfs/compat.h b/fs/btrfs/compat.h new file mode 100644 index 00000000000..594d60bdd3c --- /dev/null +++ b/fs/btrfs/compat.h @@ -0,0 +1,32 @@ +#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_ */ |