Btrfs: struct extent_item endian

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

1 files changed, 22 insertions, 2 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index a8454c401cee..90cc2c9bd79e 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -136,8 +136,8 @@ struct node {
  * owner of the block and the number of references
  */
 struct extent_item {
-        u32 refs;
-        u64 owner;
+        __le32 refs;
+        __le64 owner;
 } __attribute__ ((__packed__));
 
 /*
@@ -153,6 +153,26 @@ struct ctree_path {
         int slots[MAX_LEVEL];
 };
 
+static inline u64 btrfs_extent_owner(struct extent_item *ei)
+{
+        return le64_to_cpu(ei->owner);
+}
+
+static inline void btrfs_set_extent_owner(struct extent_item *ei, u64 val)
+{
+        ei->owner = cpu_to_le64(val);
+}
+
+static inline u32 btrfs_extent_refs(struct extent_item *ei)
+{
+        return le32_to_cpu(ei->refs);
+}
+
+static inline void btrfs_set_extent_refs(struct extent_item *ei, u32 val)
+{
+        ei->refs = cpu_to_le32(val);
+}
+
 static inline u64 btrfs_node_blockptr(struct node *n, int nr)
 {
         return le64_to_cpu(n->blockptrs[nr]);