changed caps not propagated to kernel cephfs mounts

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Hi,

I have added a new fast_data pool to cephfs, fixed the auth caps, eg
client.f9wn
        key: ........
        caps: [mds] allow rw
        caps: [mon] allow r
        caps: [osd] allow rw pool=cephfs_data, allow rw pool=fast_data

but the client with kernel mounted cephfs reports an error when trying to read or write, eg
f9nd003 ~ # echo a > /ceph/grid/cache/a
-bash: echo: write error: Operation not permitted

mount is:
cat /proc/mounts |grep ceph
monitors...:/ /ceph ceph rw,relatime,name=f9wn,secret=<hidden>,acl 0 0

it seems that only umount + mount solves this issue, kernel is vanilla 4.19.60.

Is there any way to force to propagate new auth capabilities without remounting the fs?

Thanks,
Andrej


--
_____________________________________________________________
   prof. dr. Andrej Filipcic,   E-mail: Andrej.Filipcic@xxxxxx
   Department of Experimental High Energy Physics - F9
   Jozef Stefan Institute, Jamova 39, P.o.Box 3000
   SI-1001 Ljubljana, Slovenia
   Tel.: +386-1-477-3674    Fax: +386-1-425-7074
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