Open Source Software

btrfs-property(8)



NAME

   btrfs-property - get/set/list properties for given btrfs object.

SYNOPSIS

   btrfs property <subcommand> <args>

DESCRIPTION

   btrfs property is used to get/set/list property for given btrfs object.
   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>]
       Gets a property from a btrfs object.

       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 -t <type> option 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].

       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
       followings.

       ro
           read-only flag of subvolume: true or false

       label
           label of device

       compression
           compression setting for an inode: lzo, zlib, or "" (empty
           string)

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

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

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)



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