diff options
Diffstat (limited to 'fs/btrfs/compat.h')
-rw-r--r-- | fs/btrfs/compat.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/fs/btrfs/compat.h b/fs/btrfs/compat.h new file mode 100644 index 000000000000..cd6598b169df --- /dev/null +++ b/fs/btrfs/compat.h @@ -0,0 +1,24 @@ +#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 + +#endif /* _COMPAT_H_ */ |