1# SPDX-License-Identifier: GPL-2.0-only 2config JFS_FS 3 tristate "JFS filesystem support" 4 select BUFFER_HEAD 5 select NLS 6 select CRC32 7 select LEGACY_DIRECT_IO 8 help 9 This is a port of IBM's Journaled Filesystem . More information is 10 available in the file <file:Documentation/admin-guide/jfs.rst>. 11 12 If you do not intend to use the JFS filesystem, say N. 13 14config JFS_POSIX_ACL 15 bool "JFS POSIX Access Control Lists" 16 depends on JFS_FS 17 select FS_POSIX_ACL 18 help 19 Posix Access Control Lists (ACLs) support permissions for users and 20 groups beyond the owner/group/world scheme. 21 22 If you don't know what Access Control Lists are, say N 23 24config JFS_SECURITY 25 bool "JFS Security Labels" 26 depends on JFS_FS 27 help 28 Security labels support alternative access control models 29 implemented by security modules like SELinux. This option 30 enables an extended attribute handler for file security 31 labels in the jfs filesystem. 32 33 If you are not using a security module that requires using 34 extended attributes for file security labels, say N. 35 36config JFS_DEBUG 37 bool "JFS debugging" 38 depends on JFS_FS 39 help 40 If you are experiencing any problems with the JFS filesystem, say 41 Y here. This will result in additional debugging messages to be 42 written to the system log. Under normal circumstances, this 43 results in very little overhead. 44 45config JFS_STATISTICS 46 bool "JFS statistics" 47 depends on JFS_FS 48 help 49 Enabling this option will cause statistics from the JFS file system 50 to be made available to the user in the /proc/fs/jfs/ directory. 51