Hi Trond/Anna, have you had a chance to look at these patches? Thanks, NeilBrown On Tue, 28 Sep 2021, NeilBrown wrote: > It turns out that storing a counted ref to 'struct cred' in > nfs_access_entry wasn't a good choice. > 'struct cred' contains counted references to 'struct key', and users > have a quota on how many keys they can have. Keeping a cred in a cache > imposes on that quota. > > The nfs access cache can keep a large number of entries, and keep them > indefinitely. This can cause a user to go over-quota. > > This series removes the 'struct cred *' from nfs_access_entry and > instead stores the uid, gid, and a pointer to the group info. > This makes the nfs_access_entry 64 bits larger. > > Thanks, > NeilBrown > > --- > > NeilBrown (3): > NFS: change nfs_access_get_cached to only report the mask > NFS: pass cred explicitly for access tests > NFS: don't store 'struct cred *' in struct nfs_access_entry > > > fs/nfs/dir.c | 63 ++++++++++++++++++++++++++++++++++------- > fs/nfs/nfs3proc.c | 5 ++-- > fs/nfs/nfs4proc.c | 13 +++++---- > include/linux/nfs_fs.h | 6 ++-- > include/linux/nfs_xdr.h | 2 +- > 5 files changed, 67 insertions(+), 22 deletions(-) > > -- > Signature > >
