CONFIG_GFS2_FS: GFS2 file system support

General informations

The Linux kernel configuration item CONFIG_GFS2_FS:

• prompt: GFS2 file system support
• type: tristate
• depends on: (none)
• defined in fs/gfs2/Kconfig
• found in Linux kernels: 2.6.19–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD
• modules built: gfs2

Help text

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.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb fs "gfs2" : CONFIG_GFS2_FS : fs/gfs2/ops_fstype.c # in 2.6.19–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD
• lkddb fs "gfs2meta" : CONFIG_GFS2_FS : fs/gfs2/ops_fstype.c # in 2.6.19–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD
• lkddb module gfs2 CONFIG_GFS2_FS : fs/gfs2/Kconfig : "GFS2 file system support" # in 2.6.19–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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