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| // 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 <compiler.h>
| #include <fs_internal.h>
|
| struct blk_desc *btrfs_blk_desc;
| disk_partition_t *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);
| }
|
|
