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nfsd: don't abort copies early 

The typical result of the backwards comparison here is that the source
server in a server-to-server copy will return BAD_STATEID within a few
seconds of the copy starting, instead of giving the copy a full lease
period, so the copy_file_range() call will end up unnecessarily
returning a short read.

Fixes: 624322f1ad "NFSD add COPY_NOTIFY operation"
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
J. Bruce Fields 2021-02-24 13:39:50 -05:00 committed by Chuck Lever
parent 7005227369
commit bfdd89f232
1 changed files with 1 additions and 1 deletions
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2
fs/nfsd/nfs4state.c
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@ -5389,7 +5389,7 @@ nfs4_laundromat(struct nfsd_net *nn)
idr_for_each_entry(&nn->s2s_cp_stateids, cps_t, i) {
cps = container_of(cps_t, struct nfs4_cpntf_state, cp_stateid);
if (cps->cp_stateid.sc_type == NFS4_COPYNOTIFY_STID &&
cps->cpntf_time > cutoff)
cps->cpntf_time < cutoff)
_free_cpntf_state_locked(nn, cps);
}
spin_unlock(&nn->s2s_cp_lock);