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| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/fs/btrfs/dev.c | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/fs/btrfs/dev.c')
| -rw-r--r-- | roms/u-boot/fs/btrfs/dev.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/roms/u-boot/fs/btrfs/dev.c b/roms/u-boot/fs/btrfs/dev.c new file mode 100644 index 000000000..1e5b83235 --- /dev/null +++ b/roms/u-boot/fs/btrfs/dev.c @@ -0,0 +1,26 @@ +// 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); +} |