Btrfs: Back port to 2.6.18-el kernels

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 32b24460ec82..2559f5d5d00a 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -19,6 +19,7 @@
 #ifndef __BTRFS__
 #define __BTRFS__
 
+#include <linux/version.h>
 #include <linux/mm.h>
 #include <linux/highmem.h>
 #include <linux/fs.h>
@@ -334,7 +335,11 @@ struct btrfs_fs_info {
         struct list_head trans_list;
         struct list_head hashers;
         struct list_head dead_roots;
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18)
+        struct work_struct trans_work;
+#else
         struct delayed_work trans_work;
+#endif
         struct kobject super_kobj;
         struct completion kobj_unregister;
         int do_barriers;
@@ -916,6 +921,14 @@ static inline u32 btrfs_level_size(struct btrfs_root *root, int level) {
         ((unsigned long)(btrfs_leaf_data(leaf) + \
         btrfs_item_offset_nr(leaf, slot)))
 
+static inline struct dentry *fdentry(struct file *file) {
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18)
+        return file->f_dentry;
+#else
+        return file->f_path.dentry;
+#endif
+}
+
 /* extent-tree.c */
 u32 btrfs_count_snapshots_in_path(struct btrfs_root *root,
                                   struct btrfs_path *count_path,