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authorTrond Myklebust <trondmy@gmail.com>2019-09-20 07:23:47 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2019-09-20 15:56:19 -0400
commit0e0cb35b417f505447694463694aff75fca32889 (patch)
treec7a80cee6cd81615072d2503363dc465e21f85fe /fs/nfs/nfs4state.c
parente217e825dca8d2d80c371b43da7257adc499404a (diff)
downloadlinux-0e0cb35b417f505447694463694aff75fca32889.tar.gz
NFSv4: Handle NFS4ERR_OLD_STATEID in CLOSE/OPEN_DOWNGRADE
If a CLOSE or OPEN_DOWNGRADE operation receives a NFS4ERR_OLD_STATEID
then bump the seqid before resending. Ensure we only bump the seqid
by 1.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/nfs4state.c')
-rw-r--r--fs/nfs/nfs4state.c16
1 files changed, 0 insertions, 16 deletions
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index e916aba7a799..0c6d53dc3672 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1015,22 +1015,6 @@ out:
 	return ret;
 }
 
-bool nfs4_refresh_open_stateid(nfs4_stateid *dst, struct nfs4_state *state)
-{
-	bool ret;
-	int seq;
-
-	do {
-		ret = false;
-		seq = read_seqbegin(&state->seqlock);
-		if (nfs4_state_match_open_stateid_other(state, dst)) {
-			dst->seqid = state->open_stateid.seqid;
-			ret = true;
-		}
-	} while (read_seqretry(&state->seqlock, seq));
-	return ret;
-}
-
 bool nfs4_copy_open_stateid(nfs4_stateid *dst, struct nfs4_state *state)
 {
 	bool ret;