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authorDavid Teigland <teigland@redhat.com>2006-01-16 16:50:04 +0000
committerSteven Whitehouse <swhiteho@redhat.com>2006-01-16 16:50:04 +0000
commitb3b94faa5fe5968827ba0640ee9fba4b3e7f736e (patch)
tree70bd6068b050d2c46e338484f8b03fae4365c6c3 /fs/gfs2/Kconfig
parentf7825dcf8c7301cfd3724eb40c5b443cc85ab7b8 (diff)
[GFS2] The core of GFS2
This patch contains all the core files for GFS2. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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+config GFS2_FS
+ tristate "GFS2 file system support"
+ default m
+ depends on EXPERIMENTAL
+ select FS_POSIX_ACL
+ select SYSFS
+ help
+ A cluster filesystem.
+
+ Allows a cluster of computers to simultaneously use a block device
+ that is shared between them (with FC, iSCSI, NBD, etc...). GFS reads
+ and writes to the block device like a local filesystem, but also uses
+ a lock module to allow the computers coordinate their I/O so
+ filesystem consistency is maintained. One of the nifty features of
+ GFS is perfect consistency -- changes made to the filesystem on one
+ machine show up immediately on all other machines in the cluster.
+
+ To use the GFS2 filesystem, you will need to enable one or more of
+ the below locking modules. Documentation and utilities for GFS2 can
+ be found here: http://sources.redhat.com/cluster/gfs/
+
+config GFS2_FS_LOCKING_NOLOCK
+ tristate "GFS2 \"nolock\" locking module"
+ depends on GFS2_FS
+ help
+ Single node locking module for GFS2.
+
+ Use this module if you want to use GFS2 on a single node without
+ its clustering features. You can still take advantage of the
+ large file support, and upgrade to running a full cluster later on
+ if required.
+
+ If you will only be using GFS2 in cluster mode, you do not need this
+ module.
+
+config GFS2_FS_LOCKING_DLM
+ tristate "GFS2 DLM locking module"
+ depends on GFS2_FS
+ select DLM
+ help
+ Multiple node locking module for GFS2
+
+ Most users of GFS2 will require this module. It provides the locking
+ interface between GFS2 and the DLM, which is required to use GFS2
+ in a cluster environment.
+