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nilfs2: update makefile and Kconfig

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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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ryusuke Konishi 2009-04-06 19:01:41 -07:00 committed by Linus Torvalds
parent 7942b919f7
commit 0c4fb87764
3 changed files with 32 additions and 1 deletions
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27
fs/Kconfig
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@ -175,9 +175,34 @@ source "fs/qnx4/Kconfig"
source "fs/romfs/Kconfig"
source "fs/sysv/Kconfig"
source "fs/ufs/Kconfig"
source "fs/exofs/Kconfig"
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.
endif # MISC_FILESYSTEMS
menuconfig NETWORK_FILESYSTEMS

1
fs/Makefile
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@ -114,6 +114,7 @@ obj-$(CONFIG_JFS_FS) += jfs/
obj-$(CONFIG_XFS_FS) += xfs/
obj-$(CONFIG_9P_FS) += 9p/
obj-$(CONFIG_AFS_FS) += afs/
obj-$(CONFIG_NILFS2_FS) += nilfs2/
obj-$(CONFIG_BEFS_FS) += befs/
obj-$(CONFIG_HOSTFS) += hostfs/
obj-$(CONFIG_HPPFS) += hppfs/

5
fs/nilfs2/Makefile Normal file
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@ -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