// 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); | |
} |