Commit 1b932b7d authored by Eric Sandeen's avatar Eric Sandeen Committed by Jonathan Corbet
Browse files

doc: cgroup: add f2fs and xfs to supported list for writeback 



f2fs and xfs have both added support for cgroup writeback:

578c6478 f2fs: implement cgroup writeback support
adfb5fb4 xfs: implement cgroup aware writeback

so add them to the supported list in the docs.

Signed-off-by: default avatarEric Sandeen <sandeen@redhat.com>
Link: https://lore.kernel.org/r/c8271324-9132-388c-5242-d7699f011892@redhat.com


Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
parent 1cb3863a

Documentation/admin-guide/cgroup-v2.rst

+3 −3
Original line number Diff line number Diff line
@@ -1684,9 +1684,9 @@ per-cgroup dirty memory states are examined and the more restrictive 
of the two is enforced.



cgroup writeback requires explicit support from the underlying

filesystem.  Currently, cgroup writeback is implemented on ext2, ext4

and btrfs.  On other filesystems, all writeback IOs are attributed to

the root cgroup.

filesystem.  Currently, cgroup writeback is implemented on ext2, ext4,

btrfs, f2fs, and xfs.  On other filesystems, all writeback IOs are 

attributed to the root cgroup.



There are inherent differences in memory and writeback management

which affects how cgroup ownership is tracked.  Memory is tracked per

CRA Git | Maintained and supported by SUSTech CRA and CCSE