60 static struct meta_index *locate_meta_index(struct inode *inode, int offset,  in locate_meta_index()  argument
64 	struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;  in locate_meta_index()
75 		if (msblk->meta_index[i].inode_number == inode->i_ino &&  in locate_meta_index()
99 static struct meta_index *empty_meta_index(struct inode *inode, int offset,  in empty_meta_index()  argument
102 	struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;  in empty_meta_index()
148 	meta->inode_number = inode->i_ino;  in empty_meta_index()
160 static void release_meta_index(struct inode *inode, struct meta_index *meta)  in release_meta_index()  argument
162 	struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;  in release_meta_index()
236 static int fill_meta_index(struct inode *inode, int index,  in fill_meta_index()  argument
239 	struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;  in fill_meta_index()
240 	int skip = calculate_skip(i_size_read(inode) >> msblk->block_log);  in fill_meta_index()
244 	u64 cur_index_block = squashfs_i(inode)->block_list_start;  in fill_meta_index()
245 	int cur_offset = squashfs_i(inode)->offset;  in fill_meta_index()
246 	u64 cur_data_block = squashfs_i(inode)->start;  in fill_meta_index()
255 		meta = locate_meta_index(inode, offset + 1, index);  in fill_meta_index()
258 			meta = empty_meta_index(inode, offset + 1, skip);  in fill_meta_index()
285 			long long res = read_indexes(inode->i_sb, blocks,  in fill_meta_index()
312 		release_meta_index(inode, meta);  in fill_meta_index()
326 	release_meta_index(inode, meta);  in fill_meta_index()
335 static int read_blocklist(struct inode *inode, int index, u64 *block)  in read_blocklist()  argument
341 	int res = fill_meta_index(inode, index, &start, &offset, block);  in read_blocklist()
357 		blks = read_indexes(inode->i_sb, index - res, &start, &offset);  in read_blocklist()
366 	res = squashfs_read_metadata(inode->i_sb, &size, &start, &offset,  in read_blocklist()
377 	struct inode *inode = page->mapping->host;  in squashfs_copy_cache()  local
378 	struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;  in squashfs_copy_cache()
421 	struct inode *inode = page->mapping->host;  in squashfs_readpage_fragment()  local
422 	struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;  in squashfs_readpage_fragment()
423 	struct squashfs_cache_entry *buffer = squashfs_get_fragment(inode->i_sb,  in squashfs_readpage_fragment()
424 		squashfs_i(inode)->fragment_block,  in squashfs_readpage_fragment()
425 		squashfs_i(inode)->fragment_size);  in squashfs_readpage_fragment()
430 			squashfs_i(inode)->fragment_block,  in squashfs_readpage_fragment()
431 			squashfs_i(inode)->fragment_size);  in squashfs_readpage_fragment()
433 		squashfs_copy_cache(page, buffer, i_size_read(inode) &  in squashfs_readpage_fragment()
435 			squashfs_i(inode)->fragment_offset);  in squashfs_readpage_fragment()
443 	struct inode *inode = page->mapping->host;  in squashfs_readpage_sparse()  local
444 	struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;  in squashfs_readpage_sparse()
446 			(i_size_read(inode) & (msblk->block_size - 1)) :  in squashfs_readpage_sparse()
455 	struct inode *inode = page->mapping->host;  in squashfs_readpage()  local
456 	struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;  in squashfs_readpage()
458 	int file_end = i_size_read(inode) >> msblk->block_log;  in squashfs_readpage()
463 				page->index, squashfs_i(inode)->start);  in squashfs_readpage()
465 	if (page->index >= ((i_size_read(inode) + PAGE_CACHE_SIZE - 1) >>  in squashfs_readpage()
469 	if (index < file_end || squashfs_i(inode)->fragment_block ==  in squashfs_readpage()
472 		int bsize = read_blocklist(inode, index, &block);  in squashfs_readpage()