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1config F2FS_FS
2 tristate "F2FS filesystem support (EXPERIMENTAL)"
3 depends on BLOCK
4 help
5 F2FS is based on Log-structured File System (LFS), which supports
6 versatile "flash-friendly" features. The design has been focused on
7 addressing the fundamental issues in LFS, which are snowball effect
8 of wandering tree and high cleaning overhead.
9
10 Since flash-based storages show different characteristics according to
11 the internal geometry or flash memory management schemes aka FTL, F2FS
12 and tools support various parameters not only for configuring on-disk
13 layout, but also for selecting allocation and cleaning algorithms.
14
15 If unsure, say N.
16
17config F2FS_STAT_FS
18 bool "F2FS Status Information"
19 depends on F2FS_FS && DEBUG_FS
20 default y
21 help
22 /sys/kernel/debug/f2fs/ contains information about all the partitions
23 mounted as f2fs. Each file shows the whole f2fs information.
24
25 /sys/kernel/debug/f2fs/status includes:
26 - major file system information managed by f2fs currently
27 - average SIT information about whole segments
28 - current memory footprint consumed by f2fs.
29
30config F2FS_FS_XATTR
31 bool "F2FS extended attributes"
32 depends on F2FS_FS
33 default y
34 help
35 Extended attributes are name:value pairs associated with inodes by
36 the kernel or by users (see the attr(5) manual page, or visit
37 <http://acl.bestbits.at/> for details).
38
39 If unsure, say N.
40
41config F2FS_FS_POSIX_ACL
42 bool "F2FS Access Control Lists"
43 depends on F2FS_FS_XATTR
44 select FS_POSIX_ACL
45 default y
46 help
47 Posix Access Control Lists (ACLs) support permissions for users and
48 gourps beyond the owner/group/world scheme.
49
50 To learn more about Access Control Lists, visit the POSIX ACLs for
51 Linux website <http://acl.bestbits.at/>.
52
53 If you don't know what Access Control Lists are, say N