13 files changed, 417 insertions, 392 deletions

diff --git a/include/linux/jffs2.h b/include/linux/jffs2.h
index cf792bb3c726..c6f70660b371 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__ */
diff --git a/include/linux/jffs2_fs_i.h b/include/linux/jffs2_fs_i.h
deleted file mode 100644
index ad565bf9dcc1..000000000000
--- a/include/linux/jffs2_fs_i.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/* $Id: jffs2_fs_i.h,v 1.19 2005/11/07 11:14:52 gleixner Exp $ */
-
-#ifndef _JFFS2_FS_I
-#define _JFFS2_FS_I
-
-#include <linux/version.h>
-#include <linux/rbtree.h>
-#include <asm/semaphore.h>
-
-struct jffs2_inode_info {
-        /* We need an internal mutex similar to inode->i_mutex.
-           Unfortunately, we can't used the existing one, because
-           either the GC would deadlock, or we'd have to release it
-           before letting GC proceed. Or we'd have to put ugliness
-           into the GC code so it didn't attempt to obtain the i_mutex
-           for the inode(s) which are already locked */
-        struct semaphore sem;
-
-        /* The highest (datanode) version number used for this ino */
-        uint32_t highest_version;
-
-        /* List of data fragments which make up the file */
-        struct rb_root fragtree;
-
-        /* There may be one datanode which isn't referenced by any of the
-           above fragments, if it contains a metadata update but no actual
-           data - or if this is a directory inode */
-        /* This also holds the _only_ dnode for symlinks/device nodes,
-           etc. */
-        struct jffs2_full_dnode *metadata;
-
-        /* Directory entries */
-        struct jffs2_full_dirent *dents;
-
-        /* The target path if this is the inode of a symlink */
-        unsigned char *target;
-
-        /* Some stuff we just have to keep in-core at all times, for each inode. */
-        struct jffs2_inode_cache *inocache;
-
-        uint16_t flags;
-        uint8_t usercompr;
-#if !defined (__ECOS)
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,2)
-        struct inode vfs_inode;
-#endif
-#endif
-};
-
-#endif /* _JFFS2_FS_I */
diff --git a/include/linux/jffs2_fs_sb.h b/include/linux/jffs2_fs_sb.h
deleted file mode 100644
index 4bcfb5570221..000000000000
--- a/include/linux/jffs2_fs_sb.h
+++ /dev/null
@@ -1,122 +0,0 @@
-/* $Id: jffs2_fs_sb.h,v 1.54 2005/09/21 13:37:34 dedekind Exp $ */
-
-#ifndef _JFFS2_FS_SB
-#define _JFFS2_FS_SB
-
-#include <linux/types.h>
-#include <linux/spinlock.h>
-#include <linux/workqueue.h>
-#include <linux/completion.h>
-#include <asm/semaphore.h>
-#include <linux/timer.h>
-#include <linux/wait.h>
-#include <linux/list.h>
-#include <linux/rwsem.h>
-
-#define JFFS2_SB_FLAG_RO 1
-#define JFFS2_SB_FLAG_SCANNING 2 /* Flash scanning is in progress */
-#define JFFS2_SB_FLAG_BUILDING 4 /* File system building is in progress */