On Thu 20-04-23 10:03:58, cem@xxxxxxxxxx wrote: > From: Lukas Czerner <lczerner@xxxxxxxxxx> > > Now the basic infra-structure is in place, enable quota support for tmpfs. > > This offers user and group quotas to tmpfs (project quotas will be added > later). Also, as other filesystems, the tmpfs quota is not supported > within user namespaces yet, so idmapping is not translated. > > Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx> > Signed-off-by: Carlos Maiolino <cmaiolino@xxxxxxxxxx> I've found only one typo fix below. Otherwise feel free to add: Reviewed-by: Jan Kara <jack@xxxxxxx> > diff --git a/Documentation/filesystems/tmpfs.rst b/Documentation/filesystems/tmpfs.rst > index 0408c245785e3..1d4ef4f7cca7e 100644 > --- a/Documentation/filesystems/tmpfs.rst > +++ b/Documentation/filesystems/tmpfs.rst > @@ -86,6 +86,21 @@ use up all the memory on the machine; but enhances the scalability of > that instance in a system with many CPUs making intensive use of it. > > > +tmpfs also supports quota with the following mount options > + > +======== ============================================================= > +quota User and group quota accounting and enforcement is enabled on > + the mount. Tmpfs is using hidden system quota files that are > + initialized on mount. > +usrquota User quota accounting and enforcement is enabled on the > + mount. > +grpquota Group quota accounting and enforcement is enabled on the > + mount. > +======== ============================================================= > + > +Note that tmpfs quotas do not support user namespaces so no uid/gid > +translation is done if quotas are enable inside user namespaces. ^^ enabled Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR
