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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/Kconfig
parent6847e154e3cd74fca6084124c097980a7634285a (diff)
downloadop-kernel-dev-4fed598a49c014cbc563179b25f2a4b8565e2a50.zip
op-kernel-dev-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/Kconfig')
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1 files changed, 25 insertions, 0 deletions
diff --git a/fs/nilfs2/Kconfig b/fs/nilfs2/Kconfig
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+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.
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