diff options
Diffstat (limited to 'fs/erofs/Kconfig')
| -rw-r--r-- | fs/erofs/Kconfig | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/fs/erofs/Kconfig b/fs/erofs/Kconfig index 8f68ec49ad89..d81f3318417d 100644 --- a/fs/erofs/Kconfig +++ b/fs/erofs/Kconfig @@ -3,8 +3,18 @@ config EROFS_FS tristate "EROFS filesystem support" depends on BLOCK + select CACHEFILES if EROFS_FS_ONDEMAND select CRC32 + select CRYPTO if EROFS_FS_ZIP_ACCEL + select CRYPTO_DEFLATE if EROFS_FS_ZIP_ACCEL select FS_IOMAP + select LZ4_DECOMPRESS if EROFS_FS_ZIP + select NETFS_SUPPORT if EROFS_FS_ONDEMAND + select XXHASH if EROFS_FS_XATTR + select XZ_DEC if EROFS_FS_ZIP_LZMA + select XZ_DEC_MICROLZMA if EROFS_FS_ZIP_LZMA + select ZLIB_INFLATE if EROFS_FS_ZIP_DEFLATE + select ZSTD_DECOMPRESS if EROFS_FS_ZIP_ZSTD help EROFS (Enhanced Read-Only File System) is a lightweight read-only file system with modern designs (e.g. no buffer heads, inline @@ -38,7 +48,6 @@ config EROFS_FS_DEBUG config EROFS_FS_XATTR bool "EROFS extended attributes" depends on EROFS_FS - select XXHASH default y help Extended attributes are name:value pairs associated with inodes by @@ -94,7 +103,6 @@ config EROFS_FS_BACKED_BY_FILE config EROFS_FS_ZIP bool "EROFS Data Compression Support" depends on EROFS_FS - select LZ4_DECOMPRESS default y help Enable transparent compression support for EROFS file systems. @@ -104,8 +112,6 @@ config EROFS_FS_ZIP config EROFS_FS_ZIP_LZMA bool "EROFS LZMA compressed data support" depends on EROFS_FS_ZIP - select XZ_DEC - select XZ_DEC_MICROLZMA help Saying Y here includes support for reading EROFS file systems containing LZMA compressed data, specifically called microLZMA. It @@ -117,7 +123,6 @@ config EROFS_FS_ZIP_LZMA config EROFS_FS_ZIP_DEFLATE bool "EROFS DEFLATE compressed data support" depends on EROFS_FS_ZIP - select ZLIB_INFLATE help Saying Y here includes support for reading EROFS file systems containing DEFLATE compressed data. It gives better compression @@ -132,7 +137,6 @@ config EROFS_FS_ZIP_DEFLATE config EROFS_FS_ZIP_ZSTD bool "EROFS Zstandard compressed data support" depends on EROFS_FS_ZIP - select ZSTD_DECOMPRESS help Saying Y here includes support for reading EROFS file systems containing Zstandard compressed data. It gives better compression @@ -144,12 +148,24 @@ config EROFS_FS_ZIP_ZSTD If unsure, say N. +config EROFS_FS_ZIP_ACCEL + bool "EROFS hardware decompression support" + depends on EROFS_FS_ZIP + help + Saying Y here includes hardware accelerator support for reading + EROFS file systems containing compressed data. It gives better + decompression speed than the software-implemented decompression, and + it costs lower CPU overhead. + + Hardware accelerator support is an experimental feature for now and + file systems are still readable without selecting this option. + + If unsure, say N. + config EROFS_FS_ONDEMAND bool "EROFS fscache-based on-demand read support (deprecated)" depends on EROFS_FS - select NETFS_SUPPORT select FSCACHE - select CACHEFILES select CACHEFILES_ONDEMAND help This permits EROFS to use fscache-backed data blobs with on-demand |