diff options
Diffstat (limited to 'fs/erofs/erofs_fs.h')
| -rw-r--r-- | fs/erofs/erofs_fs.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/erofs/erofs_fs.h b/fs/erofs/erofs_fs.h index 2c7b16e340fe..364f51171c13 100644 --- a/fs/erofs/erofs_fs.h +++ b/fs/erofs/erofs_fs.h @@ -289,6 +289,7 @@ struct erofs_dirent { enum { Z_EROFS_COMPRESSION_LZ4 = 0, Z_EROFS_COMPRESSION_LZMA = 1, + Z_EROFS_COMPRESSION_DEFLATE = 2, Z_EROFS_COMPRESSION_MAX }; #define Z_EROFS_ALL_COMPR_ALGS ((1 << Z_EROFS_COMPRESSION_MAX) - 1) @@ -309,6 +310,12 @@ struct z_erofs_lzma_cfgs { #define Z_EROFS_LZMA_MAX_DICT_SIZE (8 * Z_EROFS_PCLUSTER_MAX_SIZE) +/* 6 bytes (+ length field = 8 bytes) */ +struct z_erofs_deflate_cfgs { + u8 windowbits; /* 8..15 for DEFLATE */ + u8 reserved[5]; +} __packed; + /* * bit 0 : COMPACTED_2B indexes (0 - off; 1 - on) * e.g. for 4k logical cluster size, 4B if compacted 2B is off; |