[JFFS2] Fix obsoletion of metadata nodes in jffs2_add_tn_to_tree()

[linux.git] / fs / jffs2 / summary.h

diff --git a/fs/jffs2/summary.h b/fs/jffs2/summary.h
index b7a678be170972fa68f0ef9423f0781971ab68ce..0c6669e21390bd5856ae9eea29c6e9664d4361fc 100644 (file)
--- a/fs/jffs2/summary.h
+++ b/fs/jffs2/summary.h
@@ -1,15 +1,13 @@
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *
- * Copyright (C) 2004  Ferenc Havasi <[email protected]>,
- *                     Zoltan Sogor <[email protected]>,
- *                     Patrik Kluba <[email protected]>,
- *                     University of Szeged, Hungary
+ * Copyright © 2004  Ferenc Havasi <[email protected]>,
+ *                   Zoltan Sogor <[email protected]>,
+ *                   Patrik Kluba <[email protected]>,
+ *                   University of Szeged, Hungary
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: summary.h,v 1.2 2005/09/26 11:37:21 havasi Exp $
- *
  */
 
 #ifndef JFFS2_SUMMARY_H
@@ -18,23 +16,6 @@
 #include <linux/uio.h>
 #include <linux/jffs2.h>
 
-#define DIRTY_SPACE(x) do { typeof(x) _x = (x); \
-               c->free_size -= _x; c->dirty_size += _x; \
-               jeb->free_size -= _x ; jeb->dirty_size += _x; \
-               }while(0)
-#define USED_SPACE(x) do { typeof(x) _x = (x); \
-               c->free_size -= _x; c->used_size += _x; \
-               jeb->free_size -= _x ; jeb->used_size += _x; \
-               }while(0)
-#define WASTED_SPACE(x) do { typeof(x) _x = (x); \
-               c->free_size -= _x; c->wasted_size += _x; \
-               jeb->free_size -= _x ; jeb->wasted_size += _x; \
-               }while(0)
-#define UNCHECKED_SPACE(x) do { typeof(x) _x = (x); \
-               c->free_size -= _x; c->unchecked_size += _x; \
-               jeb->free_size -= _x ; jeb->unchecked_size += _x; \
-               }while(0)
-
 #define BLK_STATE_ALLFF                0
 #define BLK_STATE_CLEAN                1
 #define BLK_STATE_PARTDIRTY    2
@@ -45,6 +26,8 @@
 #define JFFS2_SUMMARY_NOSUM_SIZE 0xffffffff
 #define JFFS2_SUMMARY_INODE_SIZE (sizeof(struct jffs2_sum_inode_flash))
 #define JFFS2_SUMMARY_DIRENT_SIZE(x) (sizeof(struct jffs2_sum_dirent_flash) + (x))
+#define JFFS2_SUMMARY_XATTR_SIZE (sizeof(struct jffs2_sum_xattr_flash))
+#define JFFS2_SUMMARY_XREF_SIZE (sizeof(struct jffs2_sum_xref_flash))
 
 /* Summary structures used on flash */
 
@@ -75,11 +58,28 @@ struct jffs2_sum_dirent_flash
        uint8_t name[0];        /* dirent name */
 } __attribute__((packed));
 
+struct jffs2_sum_xattr_flash
+{
+       jint16_t nodetype;      /* == JFFS2_NODETYPE_XATR */
+       jint32_t xid;           /* xattr identifier */
+       jint32_t version;       /* version number */
+       jint32_t offset;        /* offset on jeb */
+       jint32_t totlen;        /* node length */
+} __attribute__((packed));
+
+struct jffs2_sum_xref_flash
+{
+       jint16_t nodetype;      /* == JFFS2_NODETYPE_XREF */
+       jint32_t offset;        /* offset on jeb */
+} __attribute__((packed));
+
 union jffs2_sum_flash
 {
        struct jffs2_sum_unknown_flash u;
        struct jffs2_sum_inode_flash i;
        struct jffs2_sum_dirent_flash d;
+       struct jffs2_sum_xattr_flash x;
+       struct jffs2_sum_xref_flash r;
 };
 
 /* Summary structures used in the memory */
@@ -114,11 +114,30 @@ struct jffs2_sum_dirent_mem
        uint8_t name[0];        /* dirent name */
 } __attribute__((packed));
 
+struct jffs2_sum_xattr_mem
+{
+       union jffs2_sum_mem *next;
+       jint16_t nodetype;
+       jint32_t xid;
+       jint32_t version;
+       jint32_t offset;
+       jint32_t totlen;
+} __attribute__((packed));
+
+struct jffs2_sum_xref_mem
+{
+       union jffs2_sum_mem *next;
+       jint16_t nodetype;
+       jint32_t offset;
+} __attribute__((packed));
+
 union jffs2_sum_mem
 {
        struct jffs2_sum_unknown_mem u;
        struct jffs2_sum_inode_mem i;
        struct jffs2_sum_dirent_mem d;
+       struct jffs2_sum_xattr_mem x;
+       struct jffs2_sum_xref_mem r;
 };
 
 /* Summary related information stored in superblock */
@@ -159,8 +178,11 @@ int jffs2_sum_write_sumnode(struct jffs2_sb_info *c);
 int jffs2_sum_add_padding_mem(struct jffs2_summary *s, uint32_t size);
 int jffs2_sum_add_inode_mem(struct jffs2_summary *s, struct jffs2_raw_inode *ri, uint32_t ofs);
 int jffs2_sum_add_dirent_mem(struct jffs2_summary *s, struct jffs2_raw_dirent *rd, uint32_t ofs);
+int jffs2_sum_add_xattr_mem(struct jffs2_summary *s, struct jffs2_raw_xattr *rx, uint32_t ofs);
+int jffs2_sum_add_xref_mem(struct jffs2_summary *s, struct jffs2_raw_xref *rr, uint32_t ofs);
 int jffs2_sum_scan_sumnode(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb,
-                       uint32_t ofs, uint32_t *pseudo_random);
+                          struct jffs2_raw_summary *summary, uint32_t sumlen,
+                          uint32_t *pseudo_random);
 
 #else                          /* SUMMARY DISABLED */
 
@@ -176,7 +198,9 @@ int jffs2_sum_scan_sumnode(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb
 #define jffs2_sum_add_padding_mem(a,b)
 #define jffs2_sum_add_inode_mem(a,b,c)
 #define jffs2_sum_add_dirent_mem(a,b,c)
-#define jffs2_sum_scan_sumnode(a,b,c,d) (0)
+#define jffs2_sum_add_xattr_mem(a,b,c)
+#define jffs2_sum_add_xref_mem(a,b,c)
+#define jffs2_sum_scan_sumnode(a,b,c,d,e) (0)
 
 #endif /* CONFIG_JFFS2_SUMMARY */