mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-20 08:58:52 +09:00
![Marek Behún](/assets/img/avatar_default.png)
This adds the proper implementation for the BTRFS filesystem. The implementation currently supports only read-only mode and the filesystem can be only on a single device. Checksums of data chunks is unimplemented. Compression is implemented (ZLIB + LZO). Signed-off-by: Marek Behun <marek.behun@nic.cz> create mode 100644 fs/btrfs/btrfs.h create mode 100644 fs/btrfs/chunk-map.c create mode 100644 fs/btrfs/compression.c create mode 100644 fs/btrfs/ctree.c create mode 100644 fs/btrfs/dev.c create mode 100644 fs/btrfs/dir-item.c create mode 100644 fs/btrfs/extent-io.c create mode 100644 fs/btrfs/hash.c create mode 100644 fs/btrfs/inode.c create mode 100644 fs/btrfs/root.c create mode 100644 fs/btrfs/subvolume.c create mode 100644 fs/btrfs/super.c
27 lines
570 B
C
27 lines
570 B
C
/*
|
|
* BTRFS filesystem implementation for U-Boot
|
|
*
|
|
* 2017 Marek Behun, CZ.NIC, marek.behun@nic.cz
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#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);
|
|
}
|