btrfs: move split_flags/combine_flags helpers to inode-item.h

These are more related to the inode item flags on disk than the
in-memory btrfs_inode, move the helpers to inode-item.h.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/btrfs_inode.h

@@ -404,22 +404,6 @@ static inline bool btrfs_inode_can_compress(const struct btrfs_inode *inode)
 	return true;
 }
 
-/*
- * btrfs_inode_item stores flags in a u64, btrfs_inode stores them in two
- * separate u32s. These two functions convert between the two representations.
- */
-static inline u64 btrfs_inode_combine_flags(u32 flags, u32 ro_flags)
-{
-	return (flags | ((u64)ro_flags << 32));
-}
-
-static inline void btrfs_inode_split_flags(u64 inode_item_flags,
-					   u32 *flags, u32 *ro_flags)
-{
-	*flags = (u32)inode_item_flags;
-	*ro_flags = (u32)(inode_item_flags >> 32);
-}
-
 /* Array of bytes with variable length, hexadecimal format 0x1234 */
 #define CSUM_FMT				"0x%*phN"
 #define CSUM_FMT_VALUE(size, bytes)		size, bytes

fs/btrfs/inode-item.h

@@ -60,6 +60,22 @@ struct btrfs_truncate_control {
 	bool clear_extent_range;
 };
 
+/*
+ * btrfs_inode_item stores flags in a u64, btrfs_inode stores them in two
+ * separate u32s. These two functions convert between the two representations.
+ */
+static inline u64 btrfs_inode_combine_flags(u32 flags, u32 ro_flags)
+{
+	return (flags | ((u64)ro_flags << 32));
+}
+
+static inline void btrfs_inode_split_flags(u64 inode_item_flags,
+					   u32 *flags, u32 *ro_flags)
+{
+	*flags = (u32)inode_item_flags;
+	*ro_flags = (u32)(inode_item_flags >> 32);
+}
+
 int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans,
 			       struct btrfs_root *root,
 			       struct btrfs_truncate_control *control);

fs/btrfs/tree-checker.c

@@ -25,10 +25,10 @@
 #include "compression.h"
 #include "volumes.h"
 #include "misc.h"
-#include "btrfs_inode.h"
 #include "fs.h"
 #include "accessors.h"
 #include "file-item.h"
+#include "inode-item.h"
 
 /*
  * Error message should follow the following format: