Don't hold d_unused fields in memory

[wimlib] / include / wimlib / dentry.h

diff --git a/include/wimlib/dentry.h b/include/wimlib/dentry.h
index 6597e7776e77518205759d8d457ade603902abee..914069317f90dec699b81bee29bd193c58f23e5d 100644 (file)
--- a/include/wimlib/dentry.h
+++ b/include/wimlib/dentry.h
@@ -76,17 +76,6 @@ struct wim_dentry {
         * including the terminating null character. */
        u32 full_path_nbytes;
 
-       /* For extraction operations, this flag will be set on dentries in the
-        * tree being extracted.  Otherwise this will always be 0.  */
-       u8 in_extraction_tree : 1;
-
-       /* For extraction operations, this flag will be set when a dentry in the
-        * tree being extracted is not being extracted for some reason (file
-        * type not supported by target filesystem, contains invalid characters,
-        * or not in one of the multiple sub-trees being extracted).  Otherwise
-        * this will always be 0.  */
-       u8 extraction_skipped : 1;
-
        /* During extraction extractions, this flag will be set after the
         * "skeleton" of the dentry has been extracted.  */
        u8 skeleton_extracted : 1;
@@ -97,21 +86,19 @@ struct wim_dentry {
         * always be 0.  */
        u8 is_win32_name : 1;
 
-       /* When verifying the dentry tree after reading it into memory, this
-        * flag will be set on all dentries in a hard link group that have a
-        * nonempty DOS name except one.  This is because it is supposed to be
-        * illegal (on NTFS, at least) for a single inode to have multiple DOS
-        * names.  */
-       u8 dos_name_invalid : 1;
-
+       /* Temporary flag; always reset to 0 when done using.  */
        u8 tmp_flag : 1;
 
-       u8 was_hardlinked : 1;
+       /* Set to 1 if this name was extracted as a link, so no streams need to
+        * be extracted to it.  */
+       u8 was_linked : 1;
 
-       /* Temporary list field used to make lists of dentries in a few places.
-        * */
+       /* Temporary list field  */
        struct list_head tmp_list;
 
+       /* Links list of dentries being extracted  */
+       struct list_head extraction_list;
+
        /* Linked list node that places this dentry in the list of aliases for
         * its inode (d_inode) */
        struct list_head d_alias;
@@ -125,12 +112,6 @@ struct wim_dentry {
        u64 length;
        u64 subdir_offset;
 
-       /* These correspond to the two unused fields in the on-disk WIM dentry;
-        * we read them into memory so we can write them unchanged.  These
-        * fields are set to 0 on new dentries.  */
-       u64 d_unused_1;
-       u64 d_unused_2;
-
        /* Pointer to the UTF-16LE short filename (malloc()ed buffer), or NULL
         * if this dentry has no short name.  */
        utf16lechar *short_name;
@@ -226,12 +207,6 @@ wim_pathname_to_stream(WIMStruct *wim,
                       u16 *stream_idx_ret);
 #endif
 
-extern int
-print_dentry(struct wim_dentry *dentry, void *lookup_table);
-
-extern int
-print_dentry_full_path(struct wim_dentry *entry, void *ignore);
-
 extern int
 calculate_dentry_full_path(struct wim_dentry *dentry);
 
@@ -279,14 +254,8 @@ rename_wim_path(WIMStruct *wim, const tchar *from, const tchar *to,
 
 
 extern int
-read_dentry(const u8 * restrict metadata_resource,
-           u64 metadata_resource_len, u64 offset,
-           struct wim_dentry * restrict dentry);
-
-extern int
-read_dentry_tree(const u8 * restrict metadata_resource,
-                u64 metadata_resource_len,
-                struct wim_dentry * restrict dentry);
+read_dentry_tree(const u8 *buf, size_t buf_len,
+                u64 root_offset, struct wim_dentry **root_ret);
 
 extern u8 *
 write_dentry_tree(const struct wim_dentry * restrict tree,