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| author | Mi Jinlong <mijinlong@cn.fujitsu.com> | 2011-07-14 15:06:26 +0800 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2011-07-15 19:00:40 -0400 |
| commit | ab1350b2b3c1dd2e465a6abdda608d8c44facfb8 (patch) | |
| tree | 18fd3519952c45cc6d3bda7656513265e7ef6435 /fs/nfsd/nfs4proc.c | |
| parent | ee19cc406d4c0ae3118f59e000984d935b372871 (diff) | |
| download | linux-3.10-ab1350b2b3c1dd2e465a6abdda608d8c44facfb8.tar.gz linux-3.10-ab1350b2b3c1dd2e465a6abdda608d8c44facfb8.tar.bz2 linux-3.10-ab1350b2b3c1dd2e465a6abdda608d8c44facfb8.zip | |
nfsd41: Deny new lock before RECLAIM_COMPLETE done
Before nfs41 client's RECLAIM_COMPLETE done, nfs server should deny any
new locks or opens.
rfc5661:
" Whenever a client establishes a new client ID and before it does
the first non-reclaim operation that obtains a lock, it MUST send a
RECLAIM_COMPLETE with rca_one_fs set to FALSE, even if there are no
locks to reclaim. If non-reclaim locking operations are done before
the RECLAIM_COMPLETE, an NFS4ERR_GRACE error will be returned. "
Signed-off-by: Mi Jinlong <mijinlong@cn.fujitsu.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfs4proc.c')
| -rw-r--r-- | fs/nfsd/nfs4proc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 96b69299dcb..121fd84e7f9 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -291,6 +291,15 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, if (open->op_create && open->op_claim_type != NFS4_OPEN_CLAIM_NULL) return nfserr_inval; + /* + * RFC5661 18.51.3 + * Before RECLAIM_COMPLETE done, server should deny new lock + */ + if (nfsd4_has_session(cstate) && + !cstate->session->se_client->cl_firststate && + open->op_claim_type != NFS4_OPEN_CLAIM_PREVIOUS) + return nfserr_grace; + if (nfsd4_has_session(cstate)) copy_clientid(&open->op_clientid, cstate->session); |