Re: [PATCH 21/25] xor: add a better public API

Christoph Hellwig <[email protected]>
Newsgroups gmane.linux.uml.devel,gmane.linux.ports.alpha,gmane.linux.kernel,gmane.linux.ports.arm.kernel,gmane.linux.ports.ppc64.devel,gmane.linux.ports.riscv,gmane.linux.ports.sparc,gmane.linux.kernel.cryptoapi,gmane.comp.file-systems.btrfs,gmane.linux.kernel.cross-arch,gmane.linux.raid
Message-ID <[email protected]> 
On Fri, Feb 27, 2026 at 10:50:38PM -0800, Eric Biggers wrote:
> The alignment requirements on the vectors should be documented, as
> should which values of bytes are accepted.  It looks like, at the very
> least, the vectors have to be 32-byte aligned and the length has to be a
> nonzero multiple of 512 bytes.  But I didn't check every implementation.

That would match the original use case in the md raid code and also in
file system uses such as btrfs, yes.
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