summary refs log tree commit diff
path: root/fs/nilfs2
diff options
context:
space:
mode:
authorRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2009-07-12 11:13:55 +0900
committerRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2009-07-14 12:34:17 +0900
commit4fed598a49c014cbc563179b25f2a4b8565e2a50 (patch)
tree09b123e897220cf2324c43928c1e1efc08abb754 /fs/nilfs2
parent6847e154e3cd74fca6084124c097980a7634285a (diff)
downloadlinux-4fed598a49c014cbc563179b25f2a4b8565e2a50.tar.gz
fs/Kconfig: move nilfs2 out
fs/Kconfig file was split into individual fs/*/Kconfig files before
nilfs was merged.  I've found the current config entry of nilfs is
tainting the work.  Sorry, I didn't notice.  This fixes the violation.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Diffstat (limited to 'fs/nilfs2')
-rw-r--r--fs/nilfs2/Kconfig25
1 files changed, 25 insertions, 0 deletions
diff --git a/fs/nilfs2/Kconfig b/fs/nilfs2/Kconfig
new file mode 100644
index 000000000000..72da095d4009
--- /dev/null
+++ b/fs/nilfs2/Kconfig
@@ -0,0 +1,25 @@
+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.