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Commit c7501796 authored by David Sterba's avatar David Sterba Committed by Chris Mason
Browse files

Documentation: filesystems: update btrfs tools section 



The tools mentioned have been obsoleted long ago, replace
with the current ones.

CC: linux-doc@vger.kernel.org
Signed-off-by: default avatarDavid Sterba <dsterba@suse.cz>
Signed-off-by: default avatarChris Mason <chris.mason@fusionio.com>
parent 906c176e

Documentation/filesystems/btrfs.txt

+6 −16
Original line number Diff line number Diff line
@@ -244,24 +244,14 @@ available from the git repository at the following location: 


These include the following tools:



mkfs.btrfs: create a filesystem

* mkfs.btrfs: create a filesystem



btrfsctl: control program to create snapshots and subvolumes:

* btrfs: a single tool to manage the filesystems, refer to the manpage for more details



	mount /dev/sda2 /mnt

	btrfsctl -s new_subvol_name /mnt

	btrfsctl -s snapshot_of_default /mnt/default

	btrfsctl -s snapshot_of_new_subvol /mnt/new_subvol_name

	btrfsctl -s snapshot_of_a_snapshot /mnt/snapshot_of_new_subvol

	ls /mnt

	default snapshot_of_a_snapshot snapshot_of_new_subvol

	new_subvol_name snapshot_of_default

* 'btrfsck' or 'btrfs check': do a consistency check of the filesystem



	Snapshots and subvolumes cannot be deleted right now, but you can

	rm -rf all the files and directories inside them.

Other tools for specific tasks:



btrfsck: do a limited check of the FS extent trees.

* btrfs-convert: in-place conversion from ext2/3/4 filesystems



btrfs-debug-tree: print all of the FS metadata in text form.  Example:



	btrfs-debug-tree /dev/sda2 >& big_output_file
 
* btrfs-image: dump filesystem metadata for debugging