eulerfs: add Kconfig and Makefile

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I40JRR
CVE: NA

--------------------------------------
Signed-off-by: NYu Kuai <yukuai3@huawei.com>
Reviewed-by: NHou Tao <houtao1@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

fs/Kconfig

@@ -354,6 +354,7 @@ source "fs/cifs/Kconfig"
 source "fs/coda/Kconfig"
 source "fs/afs/Kconfig"
 source "fs/9p/Kconfig"
+source "fs/eulerfs/Kconfig"
 
 endif # NETWORK_FILESYSTEMS
 

fs/Makefile

@@ -139,3 +139,4 @@ obj-$(CONFIG_RESCTRL)		+= resctrlfs.o
 obj-$(CONFIG_EROFS_FS)		+= erofs/
 obj-$(CONFIG_VBOXSF_FS)		+= vboxsf/
 obj-$(CONFIG_ZONEFS_FS)		+= zonefs/
+obj-$(CONFIG_EULER_FS)		+= eulerfs/

fs/eulerfs/Kconfig

+config EULER_FS
+	tristate "EulerFS: filesystem for non-volatile memories"
+	depends on ARM64 || X86_64
+	depends on FS_DAX
+	select CRC32
+	select LIBCRC32C
+	help
+		EulerFS is NVDIMM filesystem. It uses soft updates and
+		pointer-based dual views to delay synchronous cache flushes
+		and reduce latency significantly in critical path.

fs/eulerfs/Makefile

+#
+# Makefile for eulerfs
+#
+
+obj-$(CONFIG_EULER_FS) += eulerfs.o
+
+eulerfs-y := dir.o file.o inode.o namei.o super.o symlink.o
+eulerfs-y += dax.o dht.o dep.o nvalloc.o wear.o
+eulerfs-y += kmem_cache.o