nfsd4: delegation-based open reclaims should bypass permissions
We saw a v4.0 client's create fail as follows:
- open create succeeds and gets a read delegation
- client attempts to set mode on new file, gets DELAY while
server recalls delegation.
- client attempts a CLAIM_DELEGATE_CUR open using the
delegation, gets error because of new file mode.
This probably can't happen on a recent kernel since we're no longer
giving out delegations on create opens. Nevertheless, it's a
bug--reclaim opens should bypass permission checks.
Reported-by: Steve Dickson <steved@redhat.com>
Reported-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
1 file changed