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-rw-r--r--fs/nfsd/nfs4state.c68
-rw-r--r--fs/nfsd/nfs4xdr.c5
-rw-r--r--fs/nfsd/nfsd.h1
-rw-r--r--fs/nfsd/nfsfh.c6
-rw-r--r--fs/nfsd/xdr4.h3
5 files changed, 57 insertions, 26 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index c1b54322c412..8a6960500217 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1542,7 +1542,8 @@ static void nfs4_free_ol_stateid(struct nfs4_stid *stid)
release_all_access(stp);
if (stp->st_stateowner)
nfs4_put_stateowner(stp->st_stateowner);
- WARN_ON(!list_empty(&stid->sc_cp_list));
+ if (!list_empty(&stid->sc_cp_list))
+ nfs4_free_cpntf_statelist(stid->sc_client->net, stid);
kmem_cache_free(stateid_slab, stid);
}
@@ -3486,7 +3487,20 @@ nfsd4_store_cache_entry(struct nfsd4_compoundres *resp)
struct nfsd4_slot *slot = resp->cstate.slot;
unsigned int base;
- dprintk("--> %s slot %p\n", __func__, slot);
+ /*
+ * RFC 5661 Section 2.10.6.1.2:
+ *
+ * Any time SEQUENCE ... returns an error ... [t]he replier MUST NOT
+ * modify the reply cache entry for the slot whenever an error is
+ * returned from SEQUENCE ...
+ *
+ * Because nfsd4_store_cache_entry is called only by
+ * nfsd4_sequence_done(), nfsd4_store_cache_entry() is called only
+ * when a SEQUENCE operation was part of the COMPOUND.
+ * nfs41_check_op_ordering() ensures SEQUENCE is the first op.
+ */
+ if (resp->opcnt == 1 && resp->cstate.status != nfs_ok)
+ return;
slot->sl_flags |= NFSD4_SLOT_INITIALIZED;
slot->sl_opcnt = resp->opcnt;
@@ -4349,6 +4363,36 @@ static bool replay_matches_cache(struct svc_rqst *rqstp,
return true;
}
+/*
+ * Note that the response is constructed here both for the case
+ * of a new SEQUENCE request and for a replayed SEQUENCE request.
+ * We do not cache SEQUENCE responses as SEQUENCE is idempotent.
+ */
+static void nfsd4_construct_sequence_response(struct nfsd4_session *session,
+ struct nfsd4_sequence *seq)
+{
+ struct nfs4_client *clp = session->se_client;
+
+ seq->maxslots_response = max(session->se_target_maxslots,
+ seq->maxslots);
+ seq->target_maxslots = session->se_target_maxslots;
+
+ switch (clp->cl_cb_state) {
+ case NFSD4_CB_DOWN:
+ seq->status_flags = SEQ4_STATUS_CB_PATH_DOWN;
+ break;
+ case NFSD4_CB_FAULT:
+ seq->status_flags = SEQ4_STATUS_BACKCHANNEL_FAULT;
+ break;
+ default:
+ seq->status_flags = 0;
+ }
+ if (!list_empty(&clp->cl_revoked))
+ seq->status_flags |= SEQ4_STATUS_RECALLABLE_STATE_REVOKED;
+ if (atomic_read(&clp->cl_admin_revoked))
+ seq->status_flags |= SEQ4_STATUS_ADMIN_STATE_REVOKED;
+}
+
__be32
nfsd4_sequence(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
union nfsd4_op_u *u)
@@ -4398,6 +4442,9 @@ nfsd4_sequence(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
dprintk("%s: slotid %d\n", __func__, seq->slotid);
trace_nfsd_slot_seqid_sequence(clp, seq, slot);
+
+ nfsd4_construct_sequence_response(session, seq);
+
status = check_slot_seqid(seq->seqid, slot->sl_seqid, slot->sl_flags);
if (status == nfserr_replay_cache) {
status = nfserr_seq_misordered;
@@ -4495,23 +4542,6 @@ nfsd4_sequence(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
}
out:
- seq->maxslots = max(session->se_target_maxslots, seq->maxslots);
- seq->target_maxslots = session->se_target_maxslots;
-
- switch (clp->cl_cb_state) {
- case NFSD4_CB_DOWN:
- seq->status_flags = SEQ4_STATUS_CB_PATH_DOWN;
- break;
- case NFSD4_CB_FAULT:
- seq->status_flags = SEQ4_STATUS_BACKCHANNEL_FAULT;
- break;
- default:
- seq->status_flags = 0;
- }
- if (!list_empty(&clp->cl_revoked))
- seq->status_flags |= SEQ4_STATUS_RECALLABLE_STATE_REVOKED;
- if (atomic_read(&clp->cl_admin_revoked))
- seq->status_flags |= SEQ4_STATUS_ADMIN_STATE_REVOKED;
trace_nfsd_seq4_status(rqstp, seq);
out_no_session:
if (conn)
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 6040a6145dad..67bb9c0b9fcb 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -5073,7 +5073,7 @@ nfsd4_encode_sequence(struct nfsd4_compoundres *resp, __be32 nfserr,
return nfserr;
/* Note slotid's are numbered from zero: */
/* sr_highest_slotid */
- nfserr = nfsd4_encode_slotid4(xdr, seq->maxslots - 1);
+ nfserr = nfsd4_encode_slotid4(xdr, seq->maxslots_response - 1);
if (nfserr != nfs_ok)
return nfserr;
/* sr_target_highest_slotid */
@@ -5925,8 +5925,7 @@ nfsd4_encode_operation(struct nfsd4_compoundres *resp, struct nfsd4_op *op)
*/
warn_on_nonidempotent_op(op);
xdr_truncate_encode(xdr, op_status_offset + XDR_UNIT);
- }
- if (so) {
+ } else if (so) {
int len = xdr->buf->len - (op_status_offset + XDR_UNIT);
so->so_replay.rp_status = op->status;
diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index f19320018639..b752433c3c2c 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -458,6 +458,7 @@ enum {
#define NFSD4_2_SUPPORTED_ATTRS_WORD2 \
(NFSD4_1_SUPPORTED_ATTRS_WORD2 | \
FATTR4_WORD2_MODE_UMASK | \
+ FATTR4_WORD2_CLONE_BLKSIZE | \
NFSD4_2_SECURITY_ATTRS | \
FATTR4_WORD2_XATTR_SUPPORT | \
FATTR4_WORD2_TIME_DELEG_ACCESS | \
diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c
index 3eb724ec9566..ed85dd43da18 100644
--- a/fs/nfsd/nfsfh.c
+++ b/fs/nfsd/nfsfh.c
@@ -269,9 +269,6 @@ static __be32 nfsd_set_fh_dentry(struct svc_rqst *rqstp, struct net *net,
dentry);
}
- fhp->fh_dentry = dentry;
- fhp->fh_export = exp;
-
switch (fhp->fh_maxsize) {
case NFS4_FHSIZE:
if (dentry->d_sb->s_export_op->flags & EXPORT_OP_NOATOMIC_ATTR)
@@ -293,6 +290,9 @@ static __be32 nfsd_set_fh_dentry(struct svc_rqst *rqstp, struct net *net,
goto out;
}
+ fhp->fh_dentry = dentry;
+ fhp->fh_export = exp;
+
return 0;
out:
exp_put(exp);
diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
index ee0570cbdd9e..1ce8e12ae335 100644
--- a/fs/nfsd/xdr4.h
+++ b/fs/nfsd/xdr4.h
@@ -574,8 +574,9 @@ struct nfsd4_sequence {
struct nfs4_sessionid sessionid; /* request/response */
u32 seqid; /* request/response */
u32 slotid; /* request/response */
- u32 maxslots; /* request/response */
+ u32 maxslots; /* request */
u32 cachethis; /* request */
+ u32 maxslots_response; /* response */
u32 target_maxslots; /* response */
u32 status_flags; /* response */
};
generated by cgit v1.2.3 (git 2.46.0) at 2025-11-23 11:37:18 +0000