1 # SPDX-License-Identifier: GPL-2.0-only
2 config GFS2_FS
3 tristate "GFS2 file system support"
4 select BUFFER_HEAD
5 select FS_POSIX_ACL
6 select CRC32
7 select LIBCRC32C
8 select QUOTACTL
9 select FS_IOMAP
10 help
11 A cluster filesystem.
12
13 Allows a cluster of computers to sim
14 that is shared between them (with FC
15 and writes to the block device like
16 a lock module to allow the computers
17 filesystem consistency is maintained
18 GFS is perfect consistency -- change
19 machine show up immediately on all o
20
21 To use the GFS2 filesystem in a clus
22 the locking module below. Documentat
23 be found here: http://sources.redhat
24
25 The "nolock" lock module is now buil
26 you want to use the DLM, be sure to
27
28 config GFS2_FS_LOCKING_DLM
29 bool "GFS2 DLM locking"
30 depends on (GFS2_FS!=n) && NET && INET
31 CONFIGFS_FS && SYSFS && (DLM=y
32 help
33 Multiple node locking module for GFS
34
35 Most users of GFS2 will require this
36 interface between GFS2 and the DLM,
37 in a cluster environment.
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