31 static int ext3_dx_readdir(struct file *, struct dir_context *);
93 static int ext3_readdir(struct file *file, struct dir_context *ctx)  in ext3_readdir()  argument
99 	struct inode *inode = file_inode(file);  in ext3_readdir()
104 		err = ext3_dx_readdir(file, ctx);  in ext3_readdir()
125 			if (!ra_has_index(&file->f_ra, index))  in ext3_readdir()
128 					&file->f_ra, file,  in ext3_readdir()
130 			file->f_ra.prev_pos = (loff_t)index << PAGE_CACHE_SHIFT;  in ext3_readdir()
156 		if (offset && file->f_version != inode->i_version) {  in ext3_readdir()
174 			file->f_version = inode->i_version;  in ext3_readdir()
226 static inline loff_t hash2pos(struct file *filp, __u32 major, __u32 minor)  in hash2pos()
235 static inline __u32 pos2maj_hash(struct file *filp, loff_t pos)  in pos2maj_hash()
244 static inline __u32 pos2min_hash(struct file *filp, loff_t pos)  in pos2min_hash()
256 static inline loff_t ext3_get_htree_eof(struct file *filp)  in ext3_get_htree_eof()
278 static loff_t ext3_dir_llseek(struct file *file, loff_t offset, int whence)  in ext3_dir_llseek()  argument
280 	struct inode *inode = file->f_mapping->host;  in ext3_dir_llseek()
282 	loff_t htree_max = ext3_get_htree_eof(file);  in ext3_dir_llseek()
285 		return generic_file_llseek_size(file, offset, whence,  in ext3_dir_llseek()
288 		return generic_file_llseek(file, offset, whence);  in ext3_dir_llseek()
324 static struct dir_private_info *ext3_htree_create_dir_info(struct file *filp,  in ext3_htree_create_dir_info()
346 int ext3_htree_store_dirent(struct file *dir_file, __u32 hash,  in ext3_htree_store_dirent()
408 static bool call_filldir(struct file *file, struct dir_context *ctx,  in call_filldir()  argument
411 	struct dir_private_info *info = file->private_data;  in call_filldir()
412 	struct inode *inode = file_inode(file);  in call_filldir()
419 	ctx->pos = hash2pos(file, fname->hash, fname->minor_hash);  in call_filldir()
432 static int ext3_dx_readdir(struct file *file, struct dir_context *ctx)  in ext3_dx_readdir()  argument
434 	struct dir_private_info *info = file->private_data;  in ext3_dx_readdir()
435 	struct inode *inode = file_inode(file);  in ext3_dx_readdir()
440 		info = ext3_htree_create_dir_info(file, ctx->pos);  in ext3_dx_readdir()
443 		file->private_data = info;  in ext3_dx_readdir()
446 	if (ctx->pos == ext3_get_htree_eof(file))  in ext3_dx_readdir()
454 		info->curr_hash = pos2maj_hash(file, ctx->pos);  in ext3_dx_readdir()
455 		info->curr_minor_hash = pos2min_hash(file, ctx->pos);  in ext3_dx_readdir()
463 		if (!call_filldir(file, ctx, info->extra_fname))  in ext3_dx_readdir()
477 		    (file->f_version != inode->i_version)) {  in ext3_dx_readdir()
480 			file->f_version = inode->i_version;  in ext3_dx_readdir()
481 			ret = ext3_htree_fill_tree(file, info->curr_hash,  in ext3_dx_readdir()
487 				ctx->pos = ext3_get_htree_eof(file);  in ext3_dx_readdir()
496 		if (!call_filldir(file, ctx, fname))  in ext3_dx_readdir()
507 				ctx->pos = ext3_get_htree_eof(file);  in ext3_dx_readdir()
519 static int ext3_release_dir (struct inode * inode, struct file * filp)  in ext3_release_dir()