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 54