On Mon, Jun 16, 2025 at 04:19:44AM +0100, Suman Kumar Chakraborty wrote: > Convert the implementation to a native acomp interface using zstd > streaming APIs, eliminating the need for buffer linearization. > > This includes: > - Removal of the scomp interface in favor of acomp > - Refactoring of stream allocation, initialization, and handling for > both compression and decompression using Zstandard streaming APIs > - Replacement of crypto_register_scomp() with crypto_register_acomp() > for module registration > > Signed-off-by: Suman Kumar Chakraborty <suman.kumar.chakraborty@xxxxxxxxx> > Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@xxxxxxxxx> > --- > v6->v7: > - Used __aligned(8) instead of __attribute__((aligned(8))) > - Used mapped address from the walk object instead of sg_virt in > zstd_compress_one() and zstd_decompress_one() > > v5->v6: > - On x86 (i386), u64 _align only guarantees 4-byte alignment, > which causes the test to fail. To ensure consistent 8-byte alignment > across all architectures, explicitly specify the alignment using the > __aligned(8) attribute. > > v4->v5 > - Swapping the order of acomp_walk_done_src/dst during > decompression for a single flat buffer. > > v3->v4: > - Added acomp_walk_done_src/dst calls after completing > compression/decompression for a single flat buffer > > v2->v3: > - Updated the logic to verify the existence of a single flat > buffer using the acomp walk API. > > v1->v2: > - Made the wksp address to be 8 byte aligned. > - Added logic to use Zstd non streaming APIs for single flat buffer. > > crypto/zstd.c | 386 ++++++++++++++++++++++++++++++++------------------ > 1 file changed, 249 insertions(+), 137 deletions(-) Patch applied. Thanks. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
