This commit adds Makefile and Kconfig for erofs, and updates Makefile and Kconfig files in the fs directory. Signed-off-by: Gao Xiang <gaoxiang25@xxxxxxxxxx> --- fs/Kconfig | 1 + fs/Makefile | 1 + fs/erofs/Kconfig | 36 ++++++++++++++++++++++++++++++++++++ fs/erofs/Makefile | 9 +++++++++ 4 files changed, 47 insertions(+) create mode 100644 fs/erofs/Kconfig create mode 100644 fs/erofs/Makefile diff --git a/fs/Kconfig b/fs/Kconfig index bfb1c6095c7a..669d46550e6d 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -261,6 +261,7 @@ source "fs/romfs/Kconfig" source "fs/pstore/Kconfig" source "fs/sysv/Kconfig" source "fs/ufs/Kconfig" +source "fs/erofs/Kconfig" endif # MISC_FILESYSTEMS diff --git a/fs/Makefile b/fs/Makefile index d60089fd689b..b2e4973a0bea 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -130,3 +130,4 @@ obj-$(CONFIG_F2FS_FS) += f2fs/ obj-$(CONFIG_CEPH_FS) += ceph/ obj-$(CONFIG_PSTORE) += pstore/ obj-$(CONFIG_EFIVAR_FS) += efivarfs/ +obj-$(CONFIG_EROFS_FS) += erofs/ diff --git a/fs/erofs/Kconfig b/fs/erofs/Kconfig new file mode 100644 index 000000000000..98f05043448a --- /dev/null +++ b/fs/erofs/Kconfig @@ -0,0 +1,36 @@ +# SPDX-License-Identifier: GPL-2.0-only + +config EROFS_FS + tristate "EROFS filesystem support" + depends on BLOCK + help + EROFS (Enhanced Read-Only File System) is a lightweight + read-only file system with modern designs (eg. page-sized + blocks, inline xattrs/data, etc.) for scenarios which need + high-performance read-only requirements, e.g. Android OS + for mobile phones and LIVECDs. + + It also provides fixed-sized output compression support, + which improves storage density, keeps relatively higher + compression ratios, which is more useful to achieve high + performance for embedded devices with limited memory. + + If unsure, say N. + +config EROFS_FS_DEBUG + bool "EROFS debugging feature" + depends on EROFS_FS + help + Print debugging messages and enable more BUG_ONs which check + filesystem consistency and find potential issues aggressively, + which can be used for Android eng build, for example. + + For daily use, say N. + +config EROFS_FAULT_INJECTION + bool "EROFS fault injection facility" + depends on EROFS_FS + help + Test EROFS to inject faults such as ENOMEM, EIO, and so on. + If unsure, say N. + diff --git a/fs/erofs/Makefile b/fs/erofs/Makefile new file mode 100644 index 000000000000..c3f4e549ef90 --- /dev/null +++ b/fs/erofs/Makefile @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: GPL-2.0-only + +EROFS_VERSION = "1.0" + +ccflags-y += -DEROFS_VERSION=\"$(EROFS_VERSION)\" + +obj-$(CONFIG_EROFS_FS) += erofs.o +erofs-objs := super.o inode.o data.o namei.o dir.o + -- 2.17.1
