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Subject[PATCH 27/27] nilfs2: update makefile and Kconfig
Date
This adds a Makefile for the nilfs2 file system, and updates the
makefile and Kconfig file in the file system directory.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
---
fs/Kconfig | 26 ++++++++++++++++++++++++++
fs/Makefile | 1 +
fs/nilfs2/Makefile | 5 +++++
3 files changed, 32 insertions(+), 0 deletions(-)
create mode 100644 fs/nilfs2/Makefile

diff --git a/fs/Kconfig b/fs/Kconfig
index abccb5d..294092c 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -1383,6 +1383,32 @@ config MINIX_FS
partition (the one containing the directory /) cannot be compiled as
a module.

+config NILFS2_FS
+ tristate "NILFS2 file system support (EXPERIMENTAL)"
+ depends on BLOCK && EXPERIMENTAL
+ select CRC32
+ help
+ NILFS2 is a log-structured file system (LFS) supporting continuous
+ snapshotting. In addition to versioning capability of the entire
+ file system, users can even restore files mistakenly overwritten or
+ destroyed just a few seconds ago. Since this file system can keep
+ consistency like conventional LFS, it achieves quick recovery after
+ system crashes.
+
+ NILFS2 creates a number of checkpoints every few seconds or per
+ synchronous write basis (unless there is no change). Users can
+ select significant versions among continuously created checkpoints,
+ and can change them into snapshots which will be preserved for long
+ periods until they are changed back to checkpoints. Each
+ snapshot is mountable as a read-only file system concurrently with
+ its writable mount, and this feature is convenient for online backup.
+
+ Some features including atime, extended attributes, and POSIX ACLs,
+ are not supported yet.
+
+ To compile this file system support as a module, choose M here: the
+ module will be called nilfs2. If unsure, say N.
+
config OMFS_FS
tristate "SonicBlue Optimized MPEG File System support"
depends on BLOCK
diff --git a/fs/Makefile b/fs/Makefile
index a1482a5..ddcf879 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -122,3 +122,4 @@ obj-$(CONFIG_HPPFS) += hppfs/
obj-$(CONFIG_DEBUG_FS) += debugfs/
obj-$(CONFIG_OCFS2_FS) += ocfs2/
obj-$(CONFIG_GFS2_FS) += gfs2/
+obj-$(CONFIG_NILFS2_FS) += nilfs2/
diff --git a/fs/nilfs2/Makefile b/fs/nilfs2/Makefile
new file mode 100644
index 0000000..df3e62c
--- /dev/null
+++ b/fs/nilfs2/Makefile
@@ -0,0 +1,5 @@
+obj-$(CONFIG_NILFS2_FS) += nilfs2.o
+nilfs2-y := inode.o file.o dir.o super.o namei.o page.o mdt.o \
+ btnode.o bmap.o btree.o direct.o dat.o recovery.o \
+ the_nilfs.o segbuf.o segment.o cpfile.o sufile.o \
+ ifile.o alloc.o gcinode.o ioctl.o gcdat.o
--
1.5.6.3


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