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pkg2sqfs: set lzma dictionary size to block size

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It's the default the kernel implementation expects if no options
are set.

Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
This commit is contained in:
David Oberhollenzer 2019-04-17 23:57:43 +02:00
parent 214a5e917e
commit ac8e457c96
1 changed files with 6 additions and 1 deletions
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7
sqfs/super.c
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@ -102,13 +102,18 @@ compressor_stream_t *sqfs_get_compressor(sqfs_super_t *s)
{ {
PKG_COMPRESSION id; PKG_COMPRESSION id;
compressor_t *cmp; compressor_t *cmp;
size_t xz_dictsz;
void *options;
switch (s->compression_id) { switch (s->compression_id) {
case SQFS_COMP_GZIP: case SQFS_COMP_GZIP:
id = PKG_COMPRESSION_ZLIB; id = PKG_COMPRESSION_ZLIB;
options = NULL;
break; break;
case SQFS_COMP_XZ: case SQFS_COMP_XZ:
id = PKG_COMPRESSION_LZMA; id = PKG_COMPRESSION_LZMA;
xz_dictsz = s->block_size;
options = &xz_dictsz;
break; break;
default: default:
fputs("unsupported compressor\n", stderr); fputs("unsupported compressor\n", stderr);
@ -119,5 +124,5 @@ compressor_stream_t *sqfs_get_compressor(sqfs_super_t *s)
if (cmp == NULL) if (cmp == NULL)
return NULL; return NULL;
return cmp->compression_stream(cmp); return cmp->compression_stream(cmp, options);
} }