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Subject[PATCH v2 10/24] erofs: update Kconfig and Makefile
Date
This commit adds Makefile and Kconfig for erofs, and
updates Makefile and Kconfig files in the fs directory.

Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
---
fs/Kconfig | 1 +
fs/Makefile | 1 +
fs/erofs/Kconfig | 45 +++++++++++++++++++++++++++++++++++++++++++++
fs/erofs/Makefile | 9 +++++++++
4 files changed, 56 insertions(+)
create mode 100644 fs/erofs/Kconfig
create mode 100644 fs/erofs/Makefile

diff --git a/fs/Kconfig b/fs/Kconfig
index f1046cf6ad85..529a174cbb9c 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -262,6 +262,7 @@ 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 c9aea23aba56..6166f533abf7 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-$(CONFIG_EROFS_FS) += erofs/
diff --git a/fs/erofs/Kconfig b/fs/erofs/Kconfig
new file mode 100644
index 000000000000..bcab58d3f709
--- /dev/null
+++ b/fs/erofs/Kconfig
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: GPL-2.0
+
+config EROFS_FS
+ tristate "EROFS filesystem support"
+ depends on BLOCK
+ help
+ EROFS (Enhanced Read-Only File System) is a lightweight
+ read-only file system with modern designs (eg. page-sized
+ blocks, inline xattrs/data, etc.) for scenarios which need
+ high-performance read-only requirements, e.g. Android OS
+ for mobile phones and LIVECDs.
+
+ It also provides fixed-sized output compression support,
+ which improves storage density, keeps relatively higher
+ compression ratios, which is more useful to achieve high
+ performance for embedded devices with limited memory.
+
+ If unsure, say N.
+
+config EROFS_FS_DEBUG
+ bool "EROFS debugging feature"
+ depends on EROFS_FS
+ help
+ Print debugging messages and enable more BUG_ONs which check
+ filesystem consistency and find potential issues aggressively,
+ which can be used for Android eng build, for example.
+
+ For daily use, say N.
+
+config EROFS_FAULT_INJECTION
+ bool "EROFS fault injection facility"
+ depends on EROFS_FS
+ help
+ Test EROFS to inject faults such as ENOMEM, EIO, and so on.
+ If unsure, say N.
+
+config EROFS_FS_IO_MAX_RETRIES
+ int "EROFS IO Maximum Retries"
+ depends on EROFS_FS
+ default "5"
+ help
+ Maximum retry count of IO Errors.
+
+ If unsure, leave the default value (5 retries, 6 IOs at most).
+
diff --git a/fs/erofs/Makefile b/fs/erofs/Makefile
new file mode 100644
index 000000000000..ec2795f33dc5
--- /dev/null
+++ b/fs/erofs/Makefile
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0
+
+EROFS_VERSION = "1.0"
+
+ccflags-y += -DEROFS_VERSION=\"$(EROFS_VERSION)\"
+
+obj-$(CONFIG_EROFS_FS) += erofs.o
+erofs-objs := super.o inode.o data.o namei.o dir.o
+
--
2.17.1
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