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-rw-r--r--fs/gfs2/Kconfig47
1 files changed, 23 insertions, 24 deletions
diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig
index 6a2ffa2db14f..de8e64c03f73 100644
--- a/fs/gfs2/Kconfig
+++ b/fs/gfs2/Kconfig
@@ -4,44 +4,43 @@ config GFS2_FS
4 select FS_POSIX_ACL 4 select FS_POSIX_ACL
5 select CRC32 5 select CRC32
6 help 6 help
7 A cluster filesystem. 7 A cluster filesystem.
8 8
9 Allows a cluster of computers to simultaneously use a block device 9 Allows a cluster of computers to simultaneously use a block device
10 that is shared between them (with FC, iSCSI, NBD, etc...). GFS reads 10 that is shared between them (with FC, iSCSI, NBD, etc...). GFS reads
11 and writes to the block device like a local filesystem, but also uses 11 and writes to the block device like a local filesystem, but also uses
12 a lock module to allow the computers coordinate their I/O so 12 a lock module to allow the computers coordinate their I/O so
13 filesystem consistency is maintained. One of the nifty features of 13 filesystem consistency is maintained. One of the nifty features of
14 GFS is perfect consistency -- changes made to the filesystem on one 14 GFS is perfect consistency -- changes made to the filesystem on one
15 machine show up immediately on all other machines in the cluster. 15 machine show up immediately on all other machines in the cluster.
16 16
17 To use the GFS2 filesystem, you will need to enable one or more of 17 To use the GFS2 filesystem, you will need to enable one or more of
18 the below locking modules. Documentation and utilities for GFS2 can 18 the below locking modules. Documentation and utilities for GFS2 can
19 be found here: http://sources.redhat.com/cluster 19 be found here: http://sources.redhat.com/cluster
20 20
21config GFS2_FS_LOCKING_NOLOCK 21config GFS2_FS_LOCKING_NOLOCK
22 tristate "GFS2 \"nolock\" locking module" 22 tristate "GFS2 \"nolock\" locking module"
23 depends on GFS2_FS 23 depends on GFS2_FS
24 help 24 help
25 Single node locking module for GFS2. 25 Single node locking module for GFS2.
26 26
27 Use this module if you want to use GFS2 on a single node without 27 Use this module if you want to use GFS2 on a single node without
28 its clustering features. You can still take advantage of the 28 its clustering features. You can still take advantage of the
29 large file support, and upgrade to running a full cluster later on 29 large file support, and upgrade to running a full cluster later on
30 if required. 30 if required.
31 31
32 If you will only be using GFS2 in cluster mode, you do not need this 32 If you will only be using GFS2 in cluster mode, you do not need this
33 module. 33 module.
34 34
35config GFS2_FS_LOCKING_DLM 35config GFS2_FS_LOCKING_DLM
36 tristate "GFS2 DLM locking module" 36 tristate "GFS2 DLM locking module"
37 depends on GFS2_FS && NET && INET && (IPV6 || IPV6=n) 37 depends on GFS2_FS && SYSFS && NET && INET && (IPV6 || IPV6=n)
38 select IP_SCTP if DLM_SCTP 38 select IP_SCTP if DLM_SCTP
39 select CONFIGFS_FS 39 select CONFIGFS_FS
40 select DLM 40 select DLM
41 help 41 help
42 Multiple node locking module for GFS2 42 Multiple node locking module for GFS2
43
44 Most users of GFS2 will require this module. It provides the locking
45 interface between GFS2 and the DLM, which is required to use GFS2
46 in a cluster environment.
47 43
44 Most users of GFS2 will require this module. It provides the locking
45 interface between GFS2 and the DLM, which is required to use GFS2
46 in a cluster environment.