This commit adds Makefile and Kconfig for erofs, and updates Makefile and Kconfig files in the fs directory. Signed-off-by: Miao Xie <miaoxie@xxxxxxxxxx> Signed-off-by: Chao Yu <yuchao0@xxxxxxxxxx> Signed-off-by: Gao Xiang <gaoxiang25@xxxxxxxxxx> --- fs/Kconfig | 1 + fs/Makefile | 1 + fs/erofs/Kconfig | 34 ++++++++++++++++++++++++++++++++++ fs/erofs/Makefile | 7 +++++++ 4 files changed, 43 insertions(+) create mode 100644 fs/erofs/Kconfig create mode 100644 fs/erofs/Makefile diff --git a/fs/Kconfig b/fs/Kconfig index bc821a8..c14ec12 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -251,6 +251,7 @@ source "fs/pstore/Kconfig" source "fs/sysv/Kconfig" source "fs/ufs/Kconfig" source "fs/exofs/Kconfig" +source "fs/erofs/Kconfig" endif # MISC_FILESYSTEMS diff --git a/fs/Makefile b/fs/Makefile index c9375fd..9477dfc 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -128,3 +128,4 @@ obj-y += exofs/ # Multiple modules obj-$(CONFIG_CEPH_FS) += ceph/ obj-$(CONFIG_PSTORE) += pstore/ obj-$(CONFIG_EFIVAR_FS) += efivarfs/ +obj-$(CONFIG_EROFS_FS) += erofs/ diff --git a/fs/erofs/Kconfig b/fs/erofs/Kconfig new file mode 100644 index 0000000..1c2f276 --- /dev/null +++ b/fs/erofs/Kconfig @@ -0,0 +1,34 @@ +config EROFS_FS + tristate "EROFS filesystem support" + depends on BLOCK + help + EROFS(Enhanced Read-Only File System) is a lightweight + read-only file system with modern designs (eg. page-sized + blocks, inline xattrs/data, etc.) for scenarios which have + high-performance read-only requirements, eg. firmwares in + mobile phone or LIVECDs. + + It also provides VLE compression support, focusing on + random read improvements, keeping relatively lower + compression ratios, which is also useful for + high-performance devices with limited ROM space. + + If unsure, say N. + +config EROFS_FS_DEBUG + bool "EROFS debugging feature" + depends on EROFS_FS + help + Print erofs debugging messages and enable more BUG_ONs + which check the filesystem consistency aggressively. + + For daily use, say N. + +config EROFS_FS_USE_VM_MAP_RAM + bool "EROFS VM_MAP_RAM Support" + depends on EROFS_FS + help + use vm_map_ram/vm_unmap_ram instead of vmap/vunmap. + + If you don't know what these are, say N. + diff --git a/fs/erofs/Makefile b/fs/erofs/Makefile new file mode 100644 index 0000000..61dfcae --- /dev/null +++ b/fs/erofs/Makefile @@ -0,0 +1,7 @@ +EROFS_VERSION = "1.0" + +EXTRA_CFLAGS += -Wall -DEROFS_VERSION=\"$(EROFS_VERSION)\" + +obj-$(CONFIG_EROFS_FS) += erofs.o +erofs-objs := super.o inode.o data.o namei.o dir.o + -- 1.9.1
