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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.
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