fs: Add new pre-allocation ioctls to vfs for compatibility with legacy xfs ioctls

[linux-2.6.git] / include / linux / falloc.h

diff --git a/include/linux/falloc.h b/include/linux/falloc.h
index 8e912ab6a072603a8280a252e57ad6c99c129b7b..3c155107d61f3d2f4be840dd2d175651ae1c1aa9 100644 (file)
--- a/include/linux/falloc.h
+++ b/include/linux/falloc.h
@@ -3,4 +3,25 @@
 
 #define FALLOC_FL_KEEP_SIZE    0x01 /* default is extend size */
 
+#ifdef __KERNEL__
+
+/*
+ * Space reservation ioctls and argument structure
+ * are designed to be compatible with the legacy XFS ioctls.
+ */
+struct space_resv {
+       __s16           l_type;
+       __s16           l_whence;
+       __s64           l_start;
+       __s64           l_len;          /* len == 0 means until end of file */
+       __s32           l_sysid;
+       __u32           l_pid;
+       __s32           l_pad[4];       /* reserved area */
+};
+
+#define FS_IOC_RESVSP          _IOW('X', 40, struct space_resv)
+#define FS_IOC_RESVSP64                _IOW('X', 42, struct space_resv)
+
+#endif /* __KERNEL__ */
+
 #endif /* _FALLOC_H_ */