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