/* These can be treated as counts (for required_features) or booleans (for
* supported_features). */
struct wim_features {
- unsigned long archive_files;
+ unsigned long readonly_files;
unsigned long hidden_files;
unsigned long system_files;
+ unsigned long archive_files;
unsigned long compressed_files;
unsigned long encrypted_files;
unsigned long encrypted_directories;
unsigned long security_descriptors;
unsigned long short_names;
unsigned long unix_data;
+ unsigned long object_ids;
unsigned long timestamps;
unsigned long case_sensitive_filenames;
+ unsigned long linux_xattrs;
};
-struct wim_lookup_table_entry;
-struct read_stream_list_callbacks;
+struct blob_descriptor;
+struct read_blob_callbacks;
struct apply_operations;
struct wim_dentry;
const struct apply_operations *apply_ops;
u64 next_progress;
unsigned long invalid_sequence;
- unsigned long num_streams_remaining;
- struct list_head stream_list;
- const struct read_stream_list_callbacks *saved_cbs;
- struct wim_lookup_table_entry *cur_stream;
- u64 cur_stream_offset;
+ unsigned long num_blobs_remaining;
+ struct list_head blob_list;
+ const struct read_blob_callbacks *saved_cbs;
struct filedes tmpfile_fd;
tchar *tmpfile_name;
unsigned int count_until_file_progress;
};
/* Maximum number of UNIX file descriptors, NTFS attributes, or Windows file
- * handles that can be opened simultaneously to extract a single-instance
- * stream to multiple destinations. */
-#define MAX_OPEN_STREAMS 512
+ * handles that can be opened simultaneously to extract a blob to multiple
+ * destinations. */
+#define MAX_OPEN_FILES 512
static inline int
extract_progress(struct apply_ctx *ctx, enum wimlib_progress_msg msg)
extern int
do_file_extract_progress(struct apply_ctx *ctx, enum wimlib_progress_msg msg);
+#define COUNT_PER_FILE_PROGRESS 256
+
static inline int
maybe_do_file_progress(struct apply_ctx *ctx, enum wimlib_progress_msg msg)
{
+ ctx->progress.extract.current_file_count++;
if (unlikely(!--ctx->count_until_file_progress))
return do_file_extract_progress(ctx, msg);
return 0;
}
-/* Call this to reset the counter for report_file_created() and
- * report_file_metadata_applied(). */
-static inline void
-reset_file_progress(struct apply_ctx *ctx)
-{
- ctx->count_until_file_progress = 1;
-}
+extern int
+start_file_structure_phase(struct apply_ctx *ctx, u64 end_file_count);
-/* Report that a file was created, prior to stream extraction. */
+extern int
+start_file_metadata_phase(struct apply_ctx *ctx, u64 end_file_count);
+
+/* Report that a file was created, prior to blob extraction. */
static inline int
report_file_created(struct apply_ctx *ctx)
{
return maybe_do_file_progress(ctx, WIMLIB_PROGRESS_MSG_EXTRACT_FILE_STRUCTURE);
}
-/* Report that file metadata was applied, after stream extraction. */
+/* Report that file metadata was applied, after blob extraction. */
static inline int
report_file_metadata_applied(struct apply_ctx *ctx)
{
return maybe_do_file_progress(ctx, WIMLIB_PROGRESS_MSG_EXTRACT_METADATA);
}
-/* Returns any of the aliases of an inode that are being extracted. */
-#define inode_first_extraction_dentry(inode) \
- list_first_entry(&(inode)->i_extraction_aliases, \
- struct wim_dentry, d_extraction_alias_node)
+extern int
+end_file_structure_phase(struct apply_ctx *ctx);
+
+extern int
+end_file_metadata_phase(struct apply_ctx *ctx);
+
+static inline int
+report_apply_error(struct apply_ctx *ctx, int error_code, const tchar *path)
+{
+ return report_error(ctx->progfunc, ctx->progctx, error_code, path);
+}
+
+extern bool
+detect_sparse_region(const void *data, size_t size, size_t *len_ret);
+
+static inline bool
+maybe_detect_sparse_region(const void *data, size_t size, size_t *len_ret,
+ bool enabled)
+{
+ if (!enabled) {
+ /* Force non-sparse without checking */
+ *len_ret = size;
+ return false;
+ }
+ return detect_sparse_region(data, size, len_ret);
+}
+
+#define inode_first_extraction_dentry(inode) \
+ ((inode)->i_first_extraction_alias)
+
+#define inode_for_each_extraction_alias(dentry, inode) \
+ for (dentry = inode_first_extraction_dentry(inode); \
+ dentry != NULL; \
+ dentry = dentry->d_next_extraction_alias)
extern int
-extract_stream_list(struct apply_ctx *ctx,
- const struct read_stream_list_callbacks *cbs);
+extract_blob_list(struct apply_ctx *ctx, const struct read_blob_callbacks *cbs);
/*
* Represents an extraction backend.
*
* 'd_extraction_name' and 'd_extraction_name_nchars' of each dentry
* will be set to indicate the actual name with which the dentry should
- * be extracted. This may or may not be the same as 'file_name'.
- * TODO: really, the extraction backends should be responsible for
- * generating 'd_extraction_name'.
+ * be extracted. This may or may not be the same as 'd_name'. TODO:
+ * really, the extraction backends should be responsible for generating
+ * 'd_extraction_name'.
*
- * Each dentry will refer to a valid inode in 'd_inode'.
- * 'd_inode->i_extraction_aliases' will contain a list of just the
- * dentries of that inode being extracted. This will be a (possibly
- * nonproper) subset of the 'd_inode->i_dentry' list.
+ * Each dentry will refer to a valid inode in 'd_inode'. Each inode
+ * will contain a list of dentries of that inode being extracted; this
+ * list may be shorter than the inode's full dentry list.
*
- * The streams required to be extracted will already be prepared in
- * 'apply_ctx'. The extraction backend should call
- * extract_stream_list() to extract them.
+ * The blobs required to be extracted will already be prepared in
+ * 'apply_ctx'. The extraction backend should call extract_blob_list()
+ * to extract them.
*
* The will_extract_dentry() utility function, given an arbitrary dentry
* in the WIM image (which may not be in the extraction list), can be
/*
* Query whether the unnamed data stream of the specified file will be
- * extracted as "externally backed". If so, the extraction backend is
- * assumed to handle this separately, and the common extraction code
- * will not register a usage of that stream.
+ * extracted as "externally backed" from the WIM archive itself. If so,
+ * then the extraction backend is assumed to handle this separately, and
+ * the common extraction code will not register a usage of the unnamed
+ * data stream's blob.
*
* This routine is optional.
*
* = 0 if the file will be externally backed.
* > 0 (wimlib error code) if another error occurred.
*/
- int (*will_externally_back)(struct wim_dentry *dentry, struct apply_ctx *ctx);
+ int (*will_back_from_wim)(struct wim_dentry *dentry, struct apply_ctx *ctx);
/*
* Size of the backend-specific extraction context. It must contain