From 35191fa4add32a4911b07dbadefb08c7028f493e Mon Sep 17 00:00:00 2001 From: Luis Henriques Date: Wed, 18 Apr 2018 10:28:55 +0100 Subject: [PATCH] doc/cephfs: update kernel client quotas support info Signed-off-by: Luis Henriques --- doc/cephfs/quota.rst | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/doc/cephfs/quota.rst b/doc/cephfs/quota.rst index aad0e0bbf0c2..6ba1505c5008 100644 --- a/doc/cephfs/quota.rst +++ b/doc/cephfs/quota.rst @@ -23,9 +23,12 @@ Limitations of data. Generally speaking writers will be stopped within 10s of seconds of crossing the configured limit. -#. *Quotas are not yet implemented in the kernel client.* Quotas are - supported by the userspace client (libcephfs, ceph-fuse) but are - not yet implemented in the Linux kernel client. +#. *Quotas are implemented in the kernel client 4.17 and higher.* + Quotas are supported by the userspace client (libcephfs, ceph-fuse). + Linux kernel clients >= 4.17 support CephFS quotas but only on + mimic+ clusters. Kernel clients (even recent versions) will fail + to handle quotas on older clusters, even if they may be able to set + the quotas extended attributes. #. *Quotas must be configured carefully when used with path-based mount restrictions.* The client needs to have access to the -- 2.47.3