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ec8f24b7fa
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
37 lines
1.4 KiB
Plaintext
37 lines
1.4 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config GFS2_FS
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tristate "GFS2 file system support"
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select FS_POSIX_ACL
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select CRC32
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select LIBCRC32C
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select QUOTACTL
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select FS_IOMAP
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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. If
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you want to use the DLM, be sure to enable IPv4/6 networking.
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config GFS2_FS_LOCKING_DLM
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bool "GFS2 DLM locking"
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depends on (GFS2_FS!=n) && NET && INET && (IPV6 || IPV6=n) && \
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CONFIGFS_FS && SYSFS && (DLM=y || DLM=GFS2_FS)
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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. 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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