1 # SPDX-License-Identifier: GPL-2.0-only
2 config NILFS2_FS
3 tristate "NILFS2 file system support"
4 select BUFFER_HEAD
5 select CRC32
6 select LEGACY_DIRECT_IO
7 help
8 NILFS2 is a log-structured file syst
9 snapshotting. In addition to versio
10 file system, users can even restore
11 destroyed just a few seconds ago. S
12 consistency like conventional LFS, i
13 system crashes.
14
15 NILFS2 creates a number of checkpoin
16 synchronous write basis (unless ther
17 select significant versions among co
18 and can change them into snapshots w
19 periods until they are changed back
20 snapshot is mountable as a read-only
21 its writable mount, and this feature
22
23 Some features including atime, exten
24 are not supported yet.
25
26 To compile this file system support
27 module will be called nilfs2. If un
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