btrfs-property(8) - phpMan

BTRFS-PROPERTY(8)                          Btrfs Manual                         BTRFS-PROPERTY(8)

NAME
       btrfs-property - get/set/list properties for given filesystem object

SYNOPSIS
       btrfs property <subcommand> <args>

DESCRIPTION
       btrfs property is used to get/set/list property for given filesystem object. The object
       can be an inode (file or directory), subvolume or the whole filesystem. See the
       description of get subcommand for more information about both btrfs object and property.

       btrfs property provides an unified and user-friendly method to tune different btrfs
       properties instead of using the traditional method like chattr(1) or lsattr(1).

SUBCOMMAND
       get [-t <type>] <object> [<name>]
           get property from a btrfs <object> of given <type>

           A btrfs object, which is set by <object>, can be a btrfs filesystem itself, a btrfs
           subvolume, an inode (file or directory) inside btrfs, or a device on which a btrfs
           exists.

           The option -t can be used to explicitly specify what type of object you meant. This is
           only needed when a property could be set for more then one object type.

           Possible types are s[ubvol], f[ilesystem], i[node] and d[evice], where the first
           lettes is a shortcut.

           Set the name of property by name. If no name is specified, all properties for the
           given object are printed.  name is one of the following:

           ro
               read-only flag of subvolume: true or false. Please also see section SUBVOLUME
               FLAGS in btrfs-subvolume(8) for possible implications regarding incremental send.

           label
               label of the filesystem. For an unmounted filesystem, provide a path to a block
               device as object. For a mounted filesystem, specify a mount point.

           compression
               compression algorithm set for an inode, possible values: lzo, zlib, zstd. To
               disable compression use "" (empty string), no or none.

       list [-t <type>] <object>
           Lists available properties with their descriptions for the given object.

           See the description of get subcommand for the meaning of each option.

       set [-f] [-t <type>] <object> <name> <value>
           Sets a property on a btrfs object.

           See the description of get subcommand for the meaning of each option.

           Options

           -f
               Force the change. Changing some properties may involve safety checks or additional
               changes that depend on the properties semantics.

EXIT STATUS
       btrfs property returns a zero exit status if it succeeds. Non zero is returned in case of
       failure.

AVAILABILITY
       btrfs is part of btrfs-progs. Please refer to the btrfs wiki http://btrfs.wiki.kernel.org
       for further details.

SEE ALSO
       mkfs.btrfs(8), lsattr(1), chattr(1)

Btrfs v5.16.2                               02/16/2022                          BTRFS-PROPERTY(8)

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