[v4 PATCH 10/13] ubifs: Use crypto_acomp interface

[Herbert Xu]

On Sat, Mar 15, 2025 at 01:15:09PM +0800, Zhihao Cheng wrote:
>
> Hi, Herbert. Can you show me which patch fixed the problem in LZO?

https://web.git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git/commit/?id=cc47f07234f72cbd8e2c973cdbf2a6730660a463
 
> Does LZO guarantee the output data length smaller than input buffer length?
> Which commit fixed the issue?

The guarantee is that the algorithm will not write to the output
buffer beyond the specific buffer length.

For compression, you may specify a desired output length that is
smaller than the input buffer, automatically stopping the compression
if the input is incompressible.

Cheers,
-- 
Email: Herbert Xu <herbert at gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt