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author | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 2009-07-12 02:13:55 (GMT) |
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committer | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 2009-07-14 03:34:17 (GMT) |
commit | 4fed598a49c014cbc563179b25f2a4b8565e2a50 (patch) | |
tree | 09b123e897220cf2324c43928c1e1efc08abb754 /fs/nilfs2/Kconfig | |
parent | 6847e154e3cd74fca6084124c097980a7634285a (diff) | |
download | linux-fsl-qoriq-4fed598a49c014cbc563179b25f2a4b8565e2a50.tar.xz |
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')
-rw-r--r-- | fs/nilfs2/Kconfig | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/fs/nilfs2/Kconfig b/fs/nilfs2/Kconfig new file mode 100644 index 0000000..72da095 --- /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. |