The patch titled
nilfs2: update makefile and Kconfig
has been added to the -mm tree. Its filename is
nilfs2-update-makefile-and-kconfig.patch
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------------------------------------------------------
Subject: nilfs2: update makefile and Kconfig
From: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxxxxxx>
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@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/Kconfig | 26 ++++++++++++++++++++++++++
fs/Makefile | 1 +
fs/nilfs2/Makefile | 5 +++++
3 files changed, 32 insertions(+)
diff -puN fs/Kconfig~nilfs2-update-makefile-and-kconfig fs/Kconfig
--- a/fs/Kconfig~nilfs2-update-makefile-and-kconfig
+++ a/fs/Kconfig
@@ -1162,6 +1162,32 @@ 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 -puN fs/Makefile~nilfs2-update-makefile-and-kconfig fs/Makefile
--- a/fs/Makefile~nilfs2-update-makefile-and-kconfig
+++ a/fs/Makefile
@@ -124,3 +124,4 @@ obj-$(CONFIG_HPPFS) += hppfs/
obj-$(CONFIG_DEBUG_FS) += debugfs/
obj-$(CONFIG_OCFS2_FS) += ocfs2/
obj-$(CONFIG_GFS2_FS) += gfs2/
+obj-$(CONFIG_NILFS2_FS) += nilfs2/
diff -puN /dev/null fs/nilfs2/Makefile
--- /dev/null
+++ a/fs/nilfs2/Makefile
@@ -0,0 +1,5 @@
+obj-$(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
_
Patches currently in -mm which might be from konishi.ryusuke@xxxxxxxxxxxxx are
nilfs2-add-document.patch
nilfs2-disk-format-and-userland-interface.patch
nilfs2-add-inode-and-other-major-structures.patch
nilfs2-integrated-block-mapping.patch
nilfs2-b-tree-based-block-mapping.patch
nilfs2-direct-block-mapping.patch
nilfs2-b-tree-node-cache.patch
nilfs2-buffer-and-page-operations.patch
nilfs2-meta-data-file.patch
nilfs2-persistent-object-allocator.patch
nilfs2-disk-address-translator.patch
nilfs2-inode-map-file.patch
nilfs2-checkpoint-file.patch
nilfs2-segment-usage-file.patch
nilfs2-inode-operations.patch
nilfs2-file-operations.patch
nilfs2-directory-entry-operations.patch
nilfs2-pathname-operations.patch
nilfs2-operations-for-the_nilfs-core-object.patch
nilfs2-super-block-operations.patch
nilfs2-segment-buffer.patch
nilfs2-segment-constructor.patch
nilfs2-recovery-functions.patch
nilfs2-another-dat-for-garbage-collection.patch
nilfs2-block-cache-for-garbage-collection.patch
nilfs2-ioctl-operations.patch
nilfs2-update-makefile-and-kconfig.patch
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