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-rw-r--r--fs/btrfs/compat.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/btrfs/compat.h b/fs/btrfs/compat.h
index d45fb37887bc..b0ed1887d9b1 100644
--- a/fs/btrfs/compat.h
+++ b/fs/btrfs/compat.h
@@ -22,6 +22,21 @@ static inline struct dentry *d_obtain_alias(struct inode *inode)
}
#endif
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18)
+static inline void btrfs_drop_nlink(struct inode *inode)
+{
+ inode->i_nlink--;
+}
+
+static inline void btrfs_inc_nlink(struct inode *inode)
+{
+ inode->i_nlink++;
+}
+#else
+# define btrfs_drop_nlink(inode) drop_nlink(inode)
+# define btrfs_inc_nlink(inode) inc_nlink(inode)
+#endif
+
/*
* Even if AppArmor isn't enabled, it still has different prototypes.
* Add more distro/version pairs here to declare which has AppArmor applied.