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nfsd4: set sequence flag when backchannel is down 

Implement the SEQ4_STATUS_CB_PATH_DOWN flag.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2010-11-18 08:30:33 -05:00
parent 77a3569d6c
commit 0d7bb71907
3 changed files with 8 additions and 8 deletions
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6
fs/nfsd/nfs4state.c
View File

@ -1800,8 +1800,12 @@ nfsd4_sequence(struct svc_rqst *rqstp,
out:
/* Hold a session reference until done processing the compound. */
if (cstate->session) {
struct nfs4_client *clp = session->se_client;
nfsd4_get_session(cstate->session);
atomic_inc(&session->se_client->cl_refcount);
atomic_inc(&clp->cl_refcount);
if (clp->cl_cb_state == NFSD4_CB_DOWN)
seq->status_flags |= SEQ4_STATUS_CB_PATH_DOWN;
}
kfree(conn);
spin_unlock(&client_lock);

8
fs/nfsd/nfs4xdr.c
View File

@ -3137,13 +3137,9 @@ nfsd4_encode_sequence(struct nfsd4_compoundres *resp, int nfserr,
WRITE32(seq->seqid);
WRITE32(seq->slotid);
WRITE32(seq->maxslots);
/*
* FIXME: for now:
* target_maxslots = maxslots
* status_flags = 0
*/
/* For now: target_maxslots = maxslots */
WRITE32(seq->maxslots);
WRITE32(0);
WRITE32(seq->status_flags);
ADJUST_ARGS();
resp->cstate.datap = p; /* DRC cache data pointer */

2
fs/nfsd/xdr4.h
View File

@ -378,8 +378,8 @@ struct nfsd4_sequence {
u32 cachethis; /* request */
#if 0
u32 target_maxslots; /* response */
u32 status_flags; /* response */
#endif /* not yet */
u32 status_flags; /* response */
};
struct nfsd4_destroy_session {