From: Huang Jianan huangjianan@oppo.com
Add erofs filesystem support.
The code is adapted from erofs-utils in order to reduce maintenance burden and keep with the latest feature.
Changes since v1: - fix the inconsistency between From and SoB (Bin Meng); - add missing license header;
Huang Jianan (3): fs/erofs: add erofs filesystem support fs/erofs: add lz4 1.8.3 decompressor fs/erofs: add lz4 decompression support
fs/Kconfig | 1 + fs/Makefile | 1 + fs/erofs/Kconfig | 12 + fs/erofs/Makefile | 10 + fs/erofs/data.c | 206 ++++++++++++++++ fs/erofs/decompress.c | 74 ++++++ fs/erofs/decompress.h | 29 +++ fs/erofs/erofs_fs.h | 384 ++++++++++++++++++++++++++++++ fs/erofs/fs.c | 231 ++++++++++++++++++ fs/erofs/internal.h | 203 ++++++++++++++++ fs/erofs/lz4.c | 534 ++++++++++++++++++++++++++++++++++++++++++ fs/erofs/lz4.h | 5 + fs/erofs/namei.c | 238 +++++++++++++++++++ fs/erofs/super.c | 65 +++++ fs/erofs/zmap.c | 517 ++++++++++++++++++++++++++++++++++++++++ fs/fs.c | 22 ++ include/erofs.h | 19 ++ include/fs.h | 1 + 18 files changed, 2552 insertions(+) create mode 100644 fs/erofs/Kconfig create mode 100644 fs/erofs/Makefile create mode 100644 fs/erofs/data.c create mode 100644 fs/erofs/decompress.c create mode 100644 fs/erofs/decompress.h create mode 100644 fs/erofs/erofs_fs.h create mode 100644 fs/erofs/fs.c create mode 100644 fs/erofs/internal.h create mode 100644 fs/erofs/lz4.c create mode 100644 fs/erofs/lz4.h create mode 100644 fs/erofs/namei.c create mode 100644 fs/erofs/super.c create mode 100644 fs/erofs/zmap.c create mode 100644 include/erofs.h