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-rw-r--r--fs/orangefs/orangefs-dev-proto.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/orangefs/orangefs-dev-proto.h b/fs/orangefs/orangefs-dev-proto.h
index 9eac9d9a3f3a..a3d84ffee905 100644
--- a/fs/orangefs/orangefs-dev-proto.h
+++ b/fs/orangefs/orangefs-dev-proto.h
@@ -28,7 +28,7 @@
#define ORANGEFS_VFS_OP_RENAME 0xFF00000A
#define ORANGEFS_VFS_OP_STATFS 0xFF00000B
#define ORANGEFS_VFS_OP_TRUNCATE 0xFF00000C
-#define ORANGEFS_VFS_OP_MMAP_RA_FLUSH 0xFF00000D
+#define ORANGEFS_VFS_OP_RA_FLUSH 0xFF00000D
#define ORANGEFS_VFS_OP_FS_MOUNT 0xFF00000E
#define ORANGEFS_VFS_OP_FS_UMOUNT 0xFF00000F
#define ORANGEFS_VFS_OP_GETXATTR 0xFF000010
@@ -41,6 +41,10 @@
#define ORANGEFS_VFS_OP_FSYNC 0xFF00EE01
#define ORANGEFS_VFS_OP_FSKEY 0xFF00EE02
#define ORANGEFS_VFS_OP_READDIRPLUS 0xFF00EE03
+#define ORANGEFS_VFS_OP_FEATURES 0xFF00EE05 /* 2.9.6 */
+
+/* features is a 64-bit unsigned bitmask */
+#define ORANGEFS_FEATURE_READAHEAD 1
/*
* Misc constants. Please retain them as multiples of 8!