Merge git://git.infradead.org/mtd-2.6

* git://git.infradead.org/mtd-2.6: (199 commits)
  [MTD] NAND: Fix breakage all over the place
  [PATCH] NAND: fix remaining OOB length calculation
  [MTD] NAND Fixup NDFC merge brokeness
  [MTD NAND] S3C2410 driver cleanup
  [MTD NAND] s3c24x0 board: Fix clock handling, ensure proper initialisation.
  [JFFS2] Check CRC32 on dirent and data nodes each time they're read
  [JFFS2] When retiring nextblock, allocate a node_ref for the wasted space
  [JFFS2] Mark XATTR support as experimental, for now
  [JFFS2] Don't trust node headers before the CRC is checked.
  [MTD] Restore MTD_ROM and MTD_RAM types
  [MTD] assume mtd->writesize is 1 for NOR flashes
  [MTD NAND] Fix s3c2410 NAND driver so it at least _looks_ like it compiles
  [MTD] Prepare physmap for 64-bit-resources
  [JFFS2] Fix more breakage caused by janitorial meddling.
  [JFFS2] Remove stray __exit from jffs2_compressors_exit()
  [MTD] Allow alternate JFFS2 mount variant for root filesystem.
  [MTD] Disconnect struct mtd_info from ABI
  [MTD] replace MTD_RAM with MTD_GENERIC_TYPE
  [MTD] replace MTD_ROM with MTD_GENERIC_TYPE
  [MTD] remove a forgotten MTD_XIP
  ...

1 files changed, 51 insertions, 5 deletions

diff --git a/include/linux/jffs2.h b/include/linux/jffs2.h
index cf792bb..c6f7066 100644
--- a/include/linux/jffs2.h
+++ b/include/linux/jffs2.h
@@ -65,6 +65,18 @@
 
 #define JFFS2_NODETYPE_SUMMARY (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 6)
 
+#define JFFS2_NODETYPE_XATTR (JFFS2_FEATURE_INCOMPAT | JFFS2_NODE_ACCURATE | 8)
+#define JFFS2_NODETYPE_XREF (JFFS2_FEATURE_INCOMPAT | JFFS2_NODE_ACCURATE | 9)
+
+/* XATTR Related */
+#define JFFS2_XPREFIX_USER		1	/* for "user." */
+#define JFFS2_XPREFIX_SECURITY		2	/* for "security." */
+#define JFFS2_XPREFIX_ACL_ACCESS	3	/* for "system.posix_acl_access" */
+#define JFFS2_XPREFIX_ACL_DEFAULT	4	/* for "system.posix_acl_default" */
+#define JFFS2_XPREFIX_TRUSTED		5	/* for "trusted.*" */
+
+#define JFFS2_ACL_VERSION		0x0001
+
 // Maybe later...
 //#define JFFS2_NODETYPE_CHECKPOINT (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 3)
 //#define JFFS2_NODETYPE_OPTIONS (JFFS2_FEATURE_RWCOMPAT_COPY | JFFS2_NODE_ACCURATE | 4)
@@ -82,11 +94,11 @@
 
 typedef struct {
 	uint32_t v32;
-} __attribute__((packed))  jint32_t;
+} __attribute__((packed)) jint32_t;
 
 typedef struct {
 	uint32_t m;
-} __attribute__((packed))  jmode_t;
+} __attribute__((packed)) jmode_t;
 
 typedef struct {
 	uint16_t v16;
@@ -99,7 +111,7 @@ struct jffs2_unknown_node
 	jint16_t nodetype;
 	jint32_t totlen; /* So we can skip over nodes we don't grok */
 	jint32_t hdr_crc;
-} __attribute__((packed));
+};
 
 struct jffs2_raw_dirent
 {
@@ -117,7 +129,7 @@ struct jffs2_raw_dirent
 	jint32_t node_crc;
 	jint32_t name_crc;
 	uint8_t name[0];
-} __attribute__((packed));
+};
 
 /* The JFFS2 raw inode structure: Used for storage on physical media.  */
 /* The uid, gid, atime, mtime and ctime members could be longer, but
@@ -149,6 +161,32 @@ struct jffs2_raw_inode
 	jint32_t data_crc;   /* CRC for the (compressed) data.  */
 	jint32_t node_crc;   /* CRC for the raw inode (excluding data)  */
 	uint8_t data[0];
+};
+
+struct jffs2_raw_xattr {
+	jint16_t magic;
+	jint16_t nodetype;	/* = JFFS2_NODETYPE_XATTR */
+	jint32_t totlen;
+	jint32_t hdr_crc;
+	jint32_t xid;		/* XATTR identifier number */
+	jint32_t version;
+	uint8_t xprefix;
+	uint8_t name_len;
+	jint16_t value_len;
+	jint32_t data_crc;
+	jint32_t node_crc;
+	uint8_t data[0];
+} __attribute__((packed));
+
+struct jffs2_raw_xref
+{
+	jint16_t magic;
+	jint16_t nodetype;	/* = JFFS2_NODETYPE_XREF */
+	jint32_t totlen;
+	jint32_t hdr_crc;
+	jint32_t ino;		/* inode number */
+	jint32_t xid;		/* XATTR identifier number */
+	jint32_t node_crc;
 } __attribute__((packed));
 
 struct jffs2_raw_summary
@@ -163,14 +201,22 @@ struct jffs2_raw_summary
 	jint32_t sum_crc;	/* summary information crc */
 	jint32_t node_crc; 	/* node crc */
 	jint32_t sum[0]; 	/* inode summary info */
-} __attribute__((packed));
+};
 
 union jffs2_node_union
 {
 	struct jffs2_raw_inode i;
 	struct jffs2_raw_dirent d;
+	struct jffs2_raw_xattr x;
+	struct jffs2_raw_xref r;
 	struct jffs2_raw_summary s;
 	struct jffs2_unknown_node u;
 };
 
+/* Data payload for device nodes. */
+union jffs2_device_node {
+	jint16_t old;
+	jint32_t new;
+};
+
 #endif /* __LINUX_JFFS2_H__ */