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- config GFS_FS
- tristate "GFS file system support"
- depends on GFS2_FS_LOCKING_NOLOCK || GFS2_FS_LOCKING_DLM
- 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.
-