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Diffstat (limited to 'fs/gfs2/Kconfig')
| -rw-r--r-- | fs/gfs2/Kconfig | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig new file mode 100644 index 0000000000..be7f87a8e1 --- /dev/null +++ b/fs/gfs2/Kconfig @@ -0,0 +1,37 @@ +# SPDX-License-Identifier: GPL-2.0-only +config GFS2_FS + tristate "GFS2 file system support" + select BUFFER_HEAD + select FS_POSIX_ACL + select CRC32 + select LIBCRC32C + select QUOTACTL + select FS_IOMAP + 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 in a cluster, you will need to enable + the locking module below. Documentation and utilities for GFS2 can + be found here: http://sources.redhat.com/cluster + + The "nolock" lock module is now built in to GFS2 by default. If + you want to use the DLM, be sure to enable IPv4/6 networking. + +config GFS2_FS_LOCKING_DLM + bool "GFS2 DLM locking" + depends on (GFS2_FS!=n) && NET && INET && (IPV6 || IPV6=n) && \ + CONFIGFS_FS && SYSFS && (DLM=y || DLM=GFS2_FS) + help + Multiple node locking module for GFS2 + + Most users of GFS2 will require this. It provides the locking + interface between GFS2 and the DLM, which is required to use GFS2 + in a cluster environment. |