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Diffstat (limited to 'fs/gfs2/Kconfig')
| -rw-r--r-- | fs/gfs2/Kconfig | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig new file mode 100644 index 000000000000..8c27de8b9568 --- /dev/null +++ b/fs/gfs2/Kconfig @@ -0,0 +1,44 @@ +config GFS2_FS + tristate "GFS2 file system support" + depends on EXPERIMENTAL + select FS_POSIX_ACL + 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 + +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. + |