[XFS] endianess annotations and cleanup for the quota code

SGI-PV: 943272
SGI-Modid: xfs-linux:xfs-kern:199767a

Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/fs/xfs/xfs_arch.h b/fs/xfs/xfs_arch.h
index 3191dc60d8db..68e5051d8e24 100644
--- a/fs/xfs/xfs_arch.h
+++ b/fs/xfs/xfs_arch.h
@@ -154,6 +154,21 @@
     } \
 }
 
+static inline void be16_add(__be16 *a, __s16 b)
+{
+        *a = cpu_to_be16(be16_to_cpu(*a) + b);
+}
+
+static inline void be32_add(__be32 *a, __s32 b)
+{
+        *a = cpu_to_be32(be32_to_cpu(*a) + b);
+}
+
+static inline void be64_add(__be64 *a, __s64 b)
+{
+        *a = cpu_to_be64(be64_to_cpu(*a) + b);
+}
+
 /*
  * In directories inode numbers are stored as unaligned arrays of unsigned
  * 8bit integers on disk.