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f11cb2271f
The CONFIG_EXPERIMENTAL config item has not carried much meaning for a while now and is almost always enabled by default. As agreed during the Linux kernel summit, remove it from any "depends on" lines in Kconfigs. CC: KONISHI Ryusuke <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
25 lines
1.1 KiB
Plaintext
25 lines
1.1 KiB
Plaintext
config NILFS2_FS
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tristate "NILFS2 file system support"
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select CRC32
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help
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NILFS2 is a log-structured file system (LFS) supporting continuous
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snapshotting. In addition to versioning capability of the entire
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file system, users can even restore files mistakenly overwritten or
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destroyed just a few seconds ago. Since this file system can keep
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consistency like conventional LFS, it achieves quick recovery after
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system crashes.
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NILFS2 creates a number of checkpoints every few seconds or per
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synchronous write basis (unless there is no change). Users can
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select significant versions among continuously created checkpoints,
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and can change them into snapshots which will be preserved for long
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periods until they are changed back to checkpoints. Each
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snapshot is mountable as a read-only file system concurrently with
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its writable mount, and this feature is convenient for online backup.
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Some features including atime, extended attributes, and POSIX ACLs,
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are not supported yet.
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To compile this file system support as a module, choose M here: the
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module will be called nilfs2. If unsure, say N.
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