048bca2237
This patch merges the lock_nolock module into GFS2 itself. As well as removing some of the overhead of the module, it also means that its now impossible to build GFS2 without a lock module (which would be a pointless thing to do anyway). We also plan to merge lock_dlm into GFS2 in the future, but that is a more tricky task, and will therefore be a separate patch. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com> Cc: David Teigland <teigland@redhat.com>
34 lines
1.3 KiB
Text
34 lines
1.3 KiB
Text
config GFS2_FS
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tristate "GFS2 file system support"
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depends on EXPERIMENTAL && (64BIT || (LSF && LBD))
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select FS_POSIX_ACL
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select CRC32
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help
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A cluster filesystem.
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Allows a cluster of computers to simultaneously use a block device
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that is shared between them (with FC, iSCSI, NBD, etc...). GFS reads
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and writes to the block device like a local filesystem, but also uses
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a lock module to allow the computers coordinate their I/O so
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filesystem consistency is maintained. One of the nifty features of
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GFS is perfect consistency -- changes made to the filesystem on one
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machine show up immediately on all other machines in the cluster.
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To use the GFS2 filesystem in a cluster, you will need to enable
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the locking module below. Documentation and utilities for GFS2 can
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be found here: http://sources.redhat.com/cluster
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The "nolock" lock module is now built in to GFS2 by default.
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config GFS2_FS_LOCKING_DLM
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tristate "GFS2 DLM locking module"
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depends on GFS2_FS && SYSFS && NET && INET && (IPV6 || IPV6=n)
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select IP_SCTP if DLM_SCTP
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select CONFIGFS_FS
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select DLM
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help
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Multiple node locking module for GFS2
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Most users of GFS2 will require this module. It provides the locking
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interface between GFS2 and the DLM, which is required to use GFS2
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in a cluster environment.
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