1ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 2b16ecfe2SAlexey Dobriyanconfig REISERFS_FS 3b16ecfe2SAlexey Dobriyan tristate "Reiserfs support" 4651d0623SColy Li select CRC32 5b16ecfe2SAlexey Dobriyan help 6b16ecfe2SAlexey Dobriyan Stores not just filenames but the files themselves in a balanced 7b16ecfe2SAlexey Dobriyan tree. Uses journalling. 8b16ecfe2SAlexey Dobriyan 9b16ecfe2SAlexey Dobriyan Balanced trees are more efficient than traditional file system 10b16ecfe2SAlexey Dobriyan architectural foundations. 11b16ecfe2SAlexey Dobriyan 12b16ecfe2SAlexey Dobriyan In general, ReiserFS is as fast as ext2, but is very efficient with 13b16ecfe2SAlexey Dobriyan large directories and small files. Additional patches are needed 14631dd1a8SJustin P. Mattock for NFS and quotas, please see 15631dd1a8SJustin P. Mattock <https://reiser4.wiki.kernel.org/index.php/Main_Page> for links. 16b16ecfe2SAlexey Dobriyan 17b16ecfe2SAlexey Dobriyan It is more easily extended to have features currently found in 18b16ecfe2SAlexey Dobriyan database and keyword search systems than block allocation based file 19b16ecfe2SAlexey Dobriyan systems are. The next version will be so extended, and will support 20b16ecfe2SAlexey Dobriyan plugins consistent with our motto ``It takes more than a license to 21b16ecfe2SAlexey Dobriyan make source code open.'' 22b16ecfe2SAlexey Dobriyan 23631dd1a8SJustin P. Mattock Read <https://reiser4.wiki.kernel.org/index.php/Main_Page> 24631dd1a8SJustin P. Mattock to learn more about reiserfs. 25b16ecfe2SAlexey Dobriyan 26b16ecfe2SAlexey Dobriyan Sponsored by Threshold Networks, Emusic.com, and Bigstorage.com. 27b16ecfe2SAlexey Dobriyan 28b16ecfe2SAlexey Dobriyan If you like it, you can pay us to add new features to it that you 29b16ecfe2SAlexey Dobriyan need, buy a support contract, or pay us to port it to another OS. 30b16ecfe2SAlexey Dobriyan 31b16ecfe2SAlexey Dobriyanconfig REISERFS_CHECK 32b16ecfe2SAlexey Dobriyan bool "Enable reiserfs debug mode" 33b16ecfe2SAlexey Dobriyan depends on REISERFS_FS 34b16ecfe2SAlexey Dobriyan help 35b16ecfe2SAlexey Dobriyan If you set this to Y, then ReiserFS will perform every check it can 36b16ecfe2SAlexey Dobriyan possibly imagine of its internal consistency throughout its 37b16ecfe2SAlexey Dobriyan operation. It will also go substantially slower. More than once we 38b16ecfe2SAlexey Dobriyan have forgotten that this was on, and then gone despondent over the 39b16ecfe2SAlexey Dobriyan latest benchmarks.:-) Use of this option allows our team to go all 40b16ecfe2SAlexey Dobriyan out in checking for consistency when debugging without fear of its 41b16ecfe2SAlexey Dobriyan effect on end users. If you are on the verge of sending in a bug 42b16ecfe2SAlexey Dobriyan report, say Y and you might get a useful error message. Almost 43b16ecfe2SAlexey Dobriyan everyone should say N. 44b16ecfe2SAlexey Dobriyan 45b16ecfe2SAlexey Dobriyanconfig REISERFS_PROC_INFO 46b16ecfe2SAlexey Dobriyan bool "Stats in /proc/fs/reiserfs" 47b16ecfe2SAlexey Dobriyan depends on REISERFS_FS && PROC_FS 48b16ecfe2SAlexey Dobriyan help 49b16ecfe2SAlexey Dobriyan Create under /proc/fs/reiserfs a hierarchy of files, displaying 50b16ecfe2SAlexey Dobriyan various ReiserFS statistics and internal data at the expense of 51b16ecfe2SAlexey Dobriyan making your kernel or module slightly larger (+8 KB). This also 52b16ecfe2SAlexey Dobriyan increases the amount of kernel memory required for each mount. 53b16ecfe2SAlexey Dobriyan Almost everyone but ReiserFS developers and people fine-tuning 54b16ecfe2SAlexey Dobriyan reiserfs or tracing problems should say N. 55b16ecfe2SAlexey Dobriyan 56b16ecfe2SAlexey Dobriyanconfig REISERFS_FS_XATTR 57b16ecfe2SAlexey Dobriyan bool "ReiserFS extended attributes" 58b16ecfe2SAlexey Dobriyan depends on REISERFS_FS 59b16ecfe2SAlexey Dobriyan help 60b16ecfe2SAlexey Dobriyan Extended attributes are name:value pairs associated with inodes by 6191581e4cSAdam Borowski the kernel or by users (see the attr(5) manual page for details). 62b16ecfe2SAlexey Dobriyan 63b16ecfe2SAlexey Dobriyan If unsure, say N. 64b16ecfe2SAlexey Dobriyan 65b16ecfe2SAlexey Dobriyanconfig REISERFS_FS_POSIX_ACL 66b16ecfe2SAlexey Dobriyan bool "ReiserFS POSIX Access Control Lists" 67b16ecfe2SAlexey Dobriyan depends on REISERFS_FS_XATTR 68b16ecfe2SAlexey Dobriyan select FS_POSIX_ACL 69b16ecfe2SAlexey Dobriyan help 70b16ecfe2SAlexey Dobriyan Posix Access Control Lists (ACLs) support permissions for users and 71b16ecfe2SAlexey Dobriyan groups beyond the owner/group/world scheme. 72b16ecfe2SAlexey Dobriyan 73b16ecfe2SAlexey Dobriyan If you don't know what Access Control Lists are, say N 74b16ecfe2SAlexey Dobriyan 75b16ecfe2SAlexey Dobriyanconfig REISERFS_FS_SECURITY 76b16ecfe2SAlexey Dobriyan bool "ReiserFS Security Labels" 77b16ecfe2SAlexey Dobriyan depends on REISERFS_FS_XATTR 78b16ecfe2SAlexey Dobriyan help 79b16ecfe2SAlexey Dobriyan Security labels support alternative access control models 80b16ecfe2SAlexey Dobriyan implemented by security modules like SELinux. This option 81b16ecfe2SAlexey Dobriyan enables an extended attribute handler for file security 82b16ecfe2SAlexey Dobriyan labels in the ReiserFS filesystem. 83b16ecfe2SAlexey Dobriyan 84b16ecfe2SAlexey Dobriyan If you are not using a security module that requires using 85b16ecfe2SAlexey Dobriyan extended attributes for file security labels, say N. 86