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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_EC_FORMAT_H
#define _BCACHEFS_EC_FORMAT_H
struct bch_stripe {
struct bch_val v;
__le16 sectors;
__u8 algorithm;
__u8 nr_blocks;
__u8 nr_redundant;
__u8 csum_granularity_bits;
__u8 csum_type;
/*
* XXX: targets should be 16 bits - fix this if we ever do a stripe_v2
*
* we can manage with this because this only needs to point to a
* disk label, not a target:
*/
__u8 disk_label;
/*
* Variable length sections:
* - Pointers
* - Checksums
* 2D array of [stripe block/device][csum block], with checksum block
* size given by csum_granularity_bits
* - Block sector counts: per-block array of u16s
*
* XXX:
* Either checksums should have come last, or we should have included a
* checksum_size field (the size in bytes of the checksum itself, not
* the blocksize the checksum covers).
*
* Currently we aren't able to access the block sector counts if the
* checksum type is unknown.
*/
struct bch_extent_ptr ptrs[];
} __packed __aligned(8);
#endif /* _BCACHEFS_EC_FORMAT_H */
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