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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-05-25 15:00:06 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-05-25 16:17:42 -0400 |
| commit | 89a217360ef4e96eb83758cb9647f1c42581b097 (patch) | |
| tree | a802dbd6fdca71da10b7f5983215f83a4fadeb2b /fs | |
| parent | be0bfed002e0c64a91dacc42a4dab6e883e6bc7e (diff) | |
| download | linux-89a217360ef4e96eb83758cb9647f1c42581b097.tar.gz linux-89a217360ef4e96eb83758cb9647f1c42581b097.tar.bz2 linux-89a217360ef4e96eb83758cb9647f1c42581b097.zip | |
NFSv4.1: Handle NFS4ERR_SEQ_MISORDERED when confirming the lease
Apparently the patch "NFS: Always use the same SETCLIENTID boot verifier"
is tickling a Linux nfs server bug, and causing a regression: the server
can get into a situation where it keeps replying NFS4ERR_SEQ_MISORDERED
to our CREATE_SESSION request even when we are sending the correct
sequence ID.
Fix this by purging the lease and then retrying.
Reported-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfs/nfs4state.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 604c6009d1ac..419f8c44429e 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1580,6 +1580,11 @@ out: static int nfs4_handle_reclaim_lease_error(struct nfs_client *clp, int status) { switch (status) { + case -NFS4ERR_SEQ_MISORDERED: + if (test_and_set_bit(NFS4CLNT_PURGE_STATE, &clp->cl_state)) + return -ESERVERFAULT; + /* Lease confirmation error: retry after purging the lease */ + ssleep(1); case -NFS4ERR_CLID_INUSE: case -NFS4ERR_STALE_CLIENTID: clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state); |