Files
Linux_Drivers/u-boot-2021.10/fs/btrfs/dev.c
sam.xiang f8fc109960 [uboot] create uboot from github:
repo: https://github.com/u-boot/u-boot
	commit: d80bb749fab53da72c4a0e09b8c2d2aaa3103c91

Change-Id: Ie6434426e1ec15bc08bb1832798e371f3fd5fb29
2023-03-10 20:30:57 +08:00

27 lines
589 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* BTRFS filesystem implementation for U-Boot
*
* 2017 Marek Behun, CZ.NIC, marek.behun@nic.cz
*/
#include <common.h>
#include <blk.h>
#include <compiler.h>
#include <fs_internal.h>
struct blk_desc *btrfs_blk_desc;
struct disk_partition *btrfs_part_info;
int btrfs_devread(u64 address, int byte_len, void *buf)
{
lbaint_t sector;
int byte_offset;
sector = address >> btrfs_blk_desc->log2blksz;
byte_offset = address % btrfs_blk_desc->blksz;
return fs_devread(btrfs_blk_desc, btrfs_part_info, sector, byte_offset,
byte_len, buf);
}