35 static int ext4_dx_readdir(struct file *, struct dir_context *);
82 			   struct inode *dir, struct file *filp,  in __ext4_check_dir_entry()
131 static int ext4_readdir(struct file *file, struct dir_context *ctx)  in ext4_readdir()  argument
137 	struct inode *inode = file_inode(file);  in ext4_readdir()
147 		err = ext4_dx_readdir(file, ctx);  in ext4_readdir()
163 		err = ext4_read_inline_dir(file, ctx,  in ext4_readdir()
198 			if (!ra_has_index(&file->f_ra, index))  in ext4_readdir()
201 					&file->f_ra, file,  in ext4_readdir()
203 			file->f_ra.prev_pos = (loff_t)index << PAGE_SHIFT;  in ext4_readdir()
223 			EXT4_ERROR_FILE(file, 0, "directory fails checksum "  in ext4_readdir()
237 		if (!inode_eq_iversion(inode, file->f_version)) {  in ext4_readdir()
257 			file->f_version = inode_query_iversion(inode);  in ext4_readdir()
263 			if (ext4_check_dir_entry(inode, file, de, bh,  in ext4_readdir()
339 static inline loff_t hash2pos(struct file *filp, __u32 major, __u32 minor)  in hash2pos()
348 static inline __u32 pos2maj_hash(struct file *filp, loff_t pos)  in pos2maj_hash()
357 static inline __u32 pos2min_hash(struct file *filp, loff_t pos)  in pos2min_hash()
369 static inline loff_t ext4_get_htree_eof(struct file *filp)  in ext4_get_htree_eof()
390 static loff_t ext4_dir_llseek(struct file *file, loff_t offset, int whence)  in ext4_dir_llseek()  argument
392 	struct inode *inode = file->f_mapping->host;  in ext4_dir_llseek()
394 	loff_t ret, htree_max = ext4_get_htree_eof(file);  in ext4_dir_llseek()
397 		ret = generic_file_llseek_size(file, offset, whence,  in ext4_dir_llseek()
400 		ret = ext4_llseek(file, offset, whence);  in ext4_dir_llseek()
401 	file->f_version = inode_peek_iversion(inode) - 1;  in ext4_dir_llseek()
439 static struct dir_private_info *ext4_htree_create_dir_info(struct file *filp,  in ext4_htree_create_dir_info()
465 int ext4_htree_store_dirent(struct file *dir_file, __u32 hash,  in ext4_htree_store_dirent()
527 static int call_filldir(struct file *file, struct dir_context *ctx,  in call_filldir()  argument
530 	struct dir_private_info *info = file->private_data;  in call_filldir()
531 	struct inode *inode = file_inode(file);  in call_filldir()
540 	ctx->pos = hash2pos(file, fname->hash, fname->minor_hash);  in call_filldir()
554 static int ext4_dx_readdir(struct file *file, struct dir_context *ctx)  in ext4_dx_readdir()  argument
556 	struct dir_private_info *info = file->private_data;  in ext4_dx_readdir()
557 	struct inode *inode = file_inode(file);  in ext4_dx_readdir()
562 		info = ext4_htree_create_dir_info(file, ctx->pos);  in ext4_dx_readdir()
565 		file->private_data = info;  in ext4_dx_readdir()
568 	if (ctx->pos == ext4_get_htree_eof(file))  in ext4_dx_readdir()
576 		info->curr_hash = pos2maj_hash(file, ctx->pos);  in ext4_dx_readdir()
577 		info->curr_minor_hash = pos2min_hash(file, ctx->pos);  in ext4_dx_readdir()
585 		if (call_filldir(file, ctx, info->extra_fname))  in ext4_dx_readdir()
599 		    !inode_eq_iversion(inode, file->f_version)) {  in ext4_dx_readdir()
602 			file->f_version = inode_query_iversion(inode);  in ext4_dx_readdir()
603 			ret = ext4_htree_fill_tree(file, info->curr_hash,  in ext4_dx_readdir()
609 				ctx->pos = ext4_get_htree_eof(file);  in ext4_dx_readdir()
618 		if (call_filldir(file, ctx, fname))  in ext4_dx_readdir()
629 				ctx->pos = ext4_get_htree_eof(file);  in ext4_dx_readdir()
641 static int ext4_release_dir(struct inode *inode, struct file *filp)  in ext4_release_dir()