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Subject[PATCH 4.9 059/109] NFSv4: Fix client recovery when server reboots multiple times
4.9-stable review patch.  If anyone has any objections, please let me know.


From: Trond Myklebust <>

[ Upstream commit c6180a6237174f481dc856ed6e890d8196b6f0fb ]

If the server reboots multiple times, the client should rely on the
server to tell it that it cannot reclaim state as per section
in RFC7530 and section in RFC5661.
Currently, the client is being to conservative, and is assuming that
if the server reboots while state recovery is in progress, then it must
ignore state that was not recovered before the reboot.

Signed-off-by: Trond Myklebust <>
Signed-off-by: Sasha Levin <>
Signed-off-by: Greg Kroah-Hartman <>
fs/nfs/nfs4state.c | 1 -
1 file changed, 1 deletion(-)

--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1718,7 +1718,6 @@ static int nfs4_recovery_handle_error(st
set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
- nfs4_state_clear_reclaim_reboot(clp);

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