xref: /OK3568_Linux_fs/u-boot/fs/zfs/dev.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  *
3*4882a593Smuzhiyun  *	based on code of fs/reiserfs/dev.c by
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  *	(C) Copyright 2003 - 2004
6*4882a593Smuzhiyun  *	Sysgo AG, <www.elinos.com>, Pavel Bartusek <pba@sysgo.com>
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #include <common.h>
13*4882a593Smuzhiyun #include <config.h>
14*4882a593Smuzhiyun #include <fs_internal.h>
15*4882a593Smuzhiyun #include <zfs_common.h>
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun static struct blk_desc *zfs_blk_desc;
18*4882a593Smuzhiyun static disk_partition_t *part_info;
19*4882a593Smuzhiyun 
zfs_set_blk_dev(struct blk_desc * rbdd,disk_partition_t * info)20*4882a593Smuzhiyun void zfs_set_blk_dev(struct blk_desc *rbdd, disk_partition_t *info)
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun 	zfs_blk_desc = rbdd;
23*4882a593Smuzhiyun 	part_info = info;
24*4882a593Smuzhiyun }
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun /* err */
zfs_devread(int sector,int byte_offset,int byte_len,char * buf)27*4882a593Smuzhiyun int zfs_devread(int sector, int byte_offset, int byte_len, char *buf)
28*4882a593Smuzhiyun {
29*4882a593Smuzhiyun 	return fs_devread(zfs_blk_desc, part_info, sector, byte_offset,
30*4882a593Smuzhiyun 			  byte_len, buf);
31*4882a593Smuzhiyun }
32