From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001
From: Srikant Patnaik
Date: Sun, 11 Jan 2015 12:28:04 +0530
Subject: Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
---
fs/isofs/rock.h | 122 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 122 insertions(+)
create mode 100644 fs/isofs/rock.h
(limited to 'fs/isofs/rock.h')
diff --git a/fs/isofs/rock.h b/fs/isofs/rock.h
new file mode 100644
index 00000000..ed09e2b0
--- /dev/null
+++ b/fs/isofs/rock.h
@@ -0,0 +1,122 @@
+/*
+ * These structs are used by the system-use-sharing protocol, in which the
+ * Rock Ridge extensions are embedded. It is quite possible that other
+ * extensions are present on the disk, and this is fine as long as they
+ * all use SUSP
+ */
+
+struct SU_SP_s {
+ unsigned char magic[2];
+ unsigned char skip;
+} __attribute__ ((packed));
+
+struct SU_CE_s {
+ char extent[8];
+ char offset[8];
+ char size[8];
+};
+
+struct SU_ER_s {
+ unsigned char len_id;
+ unsigned char len_des;
+ unsigned char len_src;
+ unsigned char ext_ver;
+ char data[0];
+} __attribute__ ((packed));
+
+struct RR_RR_s {
+ char flags[1];
+} __attribute__ ((packed));
+
+struct RR_PX_s {
+ char mode[8];
+ char n_links[8];
+ char uid[8];
+ char gid[8];
+};
+
+struct RR_PN_s {
+ char dev_high[8];
+ char dev_low[8];
+};
+
+struct SL_component {
+ unsigned char flags;
+ unsigned char len;
+ char text[0];
+} __attribute__ ((packed));
+
+struct RR_SL_s {
+ unsigned char flags;
+ struct SL_component link;
+} __attribute__ ((packed));
+
+struct RR_NM_s {
+ unsigned char flags;
+ char name[0];
+} __attribute__ ((packed));
+
+struct RR_CL_s {
+ char location[8];
+};
+
+struct RR_PL_s {
+ char location[8];
+};
+
+struct stamp {
+ char time[7];
+} __attribute__ ((packed));
+
+struct RR_TF_s {
+ char flags;
+ struct stamp times[0]; /* Variable number of these beasts */
+} __attribute__ ((packed));
+
+/* Linux-specific extension for transparent decompression */
+struct RR_ZF_s {
+ char algorithm[2];
+ char parms[2];
+ char real_size[8];
+};
+
+/*
+ * These are the bits and their meanings for flags in the TF structure.
+ */
+#define TF_CREATE 1
+#define TF_MODIFY 2
+#define TF_ACCESS 4
+#define TF_ATTRIBUTES 8
+#define TF_BACKUP 16
+#define TF_EXPIRATION 32
+#define TF_EFFECTIVE 64
+#define TF_LONG_FORM 128
+
+struct rock_ridge {
+ char signature[2];
+ unsigned char len;
+ unsigned char version;
+ union {
+ struct SU_SP_s SP;
+ struct SU_CE_s CE;
+ struct SU_ER_s ER;
+ struct RR_RR_s RR;
+ struct RR_PX_s PX;
+ struct RR_PN_s PN;
+ struct RR_SL_s SL;
+ struct RR_NM_s NM;
+ struct RR_CL_s CL;
+ struct RR_PL_s PL;
+ struct RR_TF_s TF;
+ struct RR_ZF_s ZF;
+ } u;
+};
+
+#define RR_PX 1 /* POSIX attributes */
+#define RR_PN 2 /* POSIX devices */
+#define RR_SL 4 /* Symbolic link */
+#define RR_NM 8 /* Alternate Name */
+#define RR_CL 16 /* Child link */
+#define RR_PL 32 /* Parent link */
+#define RR_RE 64 /* Relocation directory */
+#define RR_TF 128 /* Timestamps */
--
cgit