30 static int ext4_dx_readdir(struct file *, struct dir_context *);
61 			   struct inode *dir, struct file *filp,  in __ext4_check_dir_entry()
102 static int ext4_readdir(struct file *file, struct dir_context *ctx)  in ext4_readdir()  argument
108 	struct inode *inode = file_inode(file);  in ext4_readdir()
121 		err = ext4_dx_readdir(file, ctx);  in ext4_readdir()
129 		ext4_clear_inode_flag(file_inode(file),  in ext4_readdir()
135 		err = ext4_read_inline_dir(file, ctx,  in ext4_readdir()
163 			if (!ra_has_index(&file->f_ra, index))  in ext4_readdir()
166 					&file->f_ra, file,  in ext4_readdir()
168 			file->f_ra.prev_pos = (loff_t)index << PAGE_SHIFT;  in ext4_readdir()
179 				EXT4_ERROR_FILE(file, 0,  in ext4_readdir()
196 			EXT4_ERROR_FILE(file, 0, "directory fails checksum "  in ext4_readdir()
210 		if (file->f_version != inode->i_version) {  in ext4_readdir()
229 			file->f_version = inode->i_version;  in ext4_readdir()
235 			if (ext4_check_dir_entry(inode, file, de, bh,  in ext4_readdir()
311 static inline loff_t hash2pos(struct file *filp, __u32 major, __u32 minor)  in hash2pos()
320 static inline __u32 pos2maj_hash(struct file *filp, loff_t pos)  in pos2maj_hash()
329 static inline __u32 pos2min_hash(struct file *filp, loff_t pos)  in pos2min_hash()
341 static inline loff_t ext4_get_htree_eof(struct file *filp)  in ext4_get_htree_eof()
362 static loff_t ext4_dir_llseek(struct file *file, loff_t offset, int whence)  in ext4_dir_llseek()  argument
364 	struct inode *inode = file->f_mapping->host;  in ext4_dir_llseek()
366 	loff_t htree_max = ext4_get_htree_eof(file);  in ext4_dir_llseek()
369 		return generic_file_llseek_size(file, offset, whence,  in ext4_dir_llseek()
372 		return ext4_llseek(file, offset, whence);  in ext4_dir_llseek()
409 static struct dir_private_info *ext4_htree_create_dir_info(struct file *filp,  in ext4_htree_create_dir_info()
435 int ext4_htree_store_dirent(struct file *dir_file, __u32 hash,  in ext4_htree_store_dirent()
498 static int call_filldir(struct file *file, struct dir_context *ctx,  in call_filldir()  argument
501 	struct dir_private_info *info = file->private_data;  in call_filldir()
502 	struct inode *inode = file_inode(file);  in call_filldir()
511 	ctx->pos = hash2pos(file, fname->hash, fname->minor_hash);  in call_filldir()
525 static int ext4_dx_readdir(struct file *file, struct dir_context *ctx)  in ext4_dx_readdir()  argument
527 	struct dir_private_info *info = file->private_data;  in ext4_dx_readdir()
528 	struct inode *inode = file_inode(file);  in ext4_dx_readdir()
533 		info = ext4_htree_create_dir_info(file, ctx->pos);  in ext4_dx_readdir()
536 		file->private_data = info;  in ext4_dx_readdir()
539 	if (ctx->pos == ext4_get_htree_eof(file))  in ext4_dx_readdir()
547 		info->curr_hash = pos2maj_hash(file, ctx->pos);  in ext4_dx_readdir()
548 		info->curr_minor_hash = pos2min_hash(file, ctx->pos);  in ext4_dx_readdir()
556 		if (call_filldir(file, ctx, info->extra_fname))  in ext4_dx_readdir()
570 		    (file->f_version != inode->i_version)) {  in ext4_dx_readdir()
573 			file->f_version = inode->i_version;  in ext4_dx_readdir()
574 			ret = ext4_htree_fill_tree(file, info->curr_hash,  in ext4_dx_readdir()
580 				ctx->pos = ext4_get_htree_eof(file);  in ext4_dx_readdir()
589 		if (call_filldir(file, ctx, fname))  in ext4_dx_readdir()
600 				ctx->pos = ext4_get_htree_eof(file);  in ext4_dx_readdir()
612 static int ext4_dir_open(struct inode * inode, struct file * filp)  in ext4_dir_open()
619 static int ext4_release_dir(struct inode *inode, struct file *filp)  in ext4_release_dir()