Re: [PATCH 01/19] btrfs: require at least 4 devices for RAID 6
From: patchwork-bot+linux-riscv
Date: Fri Jun 26 2026 - 04:29:26 EST
Hello:
This series was applied to riscv/linux.git (fixes)
by Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>:
On Tue, 12 May 2026 07:20:41 +0200 you wrote:
> While the RAID6 algorithm could in theory support 3 devices by just
> copying the data disk to the two parity disks, this version is not only
> useless because it is a suboptimal version of 3-way mirroring, but also
> broken with various crashes and incorrect parity generation in various
> architecture-optimized implementations. Disallow it similar to mdraid
> which requires at least 4 devices for RAID 6.
>
> [...]
Here is the summary with links:
- [01/19] btrfs: require at least 4 devices for RAID 6
(no matching commit)
- [02/19] raid6: turn the userspace test harness into a kunit test
(no matching commit)
- [03/19] raid6: remove __KERNEL__ ifdefs
https://git.kernel.org/riscv/c/3d6beb659ddf
- [04/19] raid6: move to lib/raid/
(no matching commit)
- [05/19] raid6: remove unused defines in pq.h
https://git.kernel.org/riscv/c/06d2a66fb7c0
- [06/19] raid6: remove raid6_get_zero_page
https://git.kernel.org/riscv/c/885d31423183
- [07/19] raid6: use named initializers for struct raid6_calls
https://git.kernel.org/riscv/c/7e91f76a9668
- [08/19] raid6: improve the public interface
(no matching commit)
- [09/19] raid6: hide internals
(no matching commit)
- [10/19] raid6: rework the init helpers
(no matching commit)
- [11/19] raid6: use static_call for gen_syndrom and xor_syndrom
https://git.kernel.org/riscv/c/10f4b8e2a164
- [12/19] raid6: use static_call for raid6_recov_2data and raid6_recov_datap
(no matching commit)
- [13/19] raid6: update top of file comments
https://git.kernel.org/riscv/c/30bf04bd13a5
- [14/19] raid6_kunit: use KUNIT_CASE_PARAM
https://git.kernel.org/riscv/c/2175395f76c3
- [15/19] raid6_kunit: dynamically allocate data buffers using vmalloc
https://git.kernel.org/riscv/c/d67c25712fe3
- [16/19] raid6_kunit: cleanup dataptr handling
https://git.kernel.org/riscv/c/562bcbfcb99b
- [17/19] raid6_kunit: randomize parameters and increase limits
(no matching commit)
- [18/19] raid6_kunit: randomize parameters and increase limits
(no matching commit)
- [19/19] raid6_kunit: randomize buffer alignment
https://git.kernel.org/riscv/c/8cf0a6c4bb9e
You are awesome, thank you!
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