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| author | Andy Adamson <andros@netapp.com> | 2009-06-16 14:43:15 -0400 |
|---|---|---|
| committer | Benny Halevy <bhalevy@panasas.com> | 2009-06-17 12:43:44 -0700 |
| commit | 78722e9c9208a312695178f5331511badd190598 (patch) | |
| tree | 9aeaea994040d090b9ecfb5f8b7c8fe91375262a /fs/nfs/nfs4state.c | |
| parent | 008f55d0e019943323c20a03493a2ba5672a4cc8 (diff) | |
| download | kernel_samsung_crespo-78722e9c9208a312695178f5331511badd190598.zip kernel_samsung_crespo-78722e9c9208a312695178f5331511badd190598.tar.gz kernel_samsung_crespo-78722e9c9208a312695178f5331511badd190598.tar.bz2 | |
nfs41: only retry EXCHANGE_ID on recoverable errors
Stops an infinite loop of EXCHANGE_ID.
Signed-off-by: Andy Adamson <andros@netapp.com>
[fixed checkpatch warnings]
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Diffstat (limited to 'fs/nfs/nfs4state.c')
| -rw-r--r-- | fs/nfs/nfs4state.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 7dc9713..2cc0aca 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1183,6 +1183,27 @@ static int nfs4_reset_session(struct nfs_client *clp) { return 0; } static int nfs4_initialize_session(struct nfs_client *clp) { return 0; } #endif /* CONFIG_NFS_V4_1 */ +/* Set NFS4CLNT_LEASE_EXPIRED for all v4.0 errors and for recoverable errors + * on EXCHANGE_ID for v4.1 + */ +static void nfs4_set_lease_expired(struct nfs_client *clp, int status) +{ + if (nfs4_has_session(clp)) { + switch (status) { + case -NFS4ERR_DELAY: + case -NFS4ERR_CLID_INUSE: + case -EAGAIN: + break; + + case -NFS4ERR_NOT_SAME: /* FixMe: implement recovery + * in nfs4_exchange_id */ + default: + return; + } + } + set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state); +} + static void nfs4_state_manager(struct nfs_client *clp) { int status = 0; @@ -1193,7 +1214,7 @@ static void nfs4_state_manager(struct nfs_client *clp) /* We're going to have to re-establish a clientid */ status = nfs4_reclaim_lease(clp); if (status) { - set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state); + nfs4_set_lease_expired(clp, status); if (status == -EAGAIN) continue; if (clp->cl_cons_state == |