[04/16] pnfs: wave 3: send zero stateid seqid on v4.1 i/o
diff mbox

Message ID 1297711116-3139-5-git-send-email-andros@netapp.com
State Superseded, archived
Headers show

Commit Message

Andy Adamson Feb. 14, 2011, 7:18 p.m. UTC
None

Patch
diff mbox

diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 4e2c168..2380c45 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -1384,7 +1384,7 @@  static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr)
 	hdr->replen += decode_putrootfh_maxsz;
 }
 
-static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx, const struct nfs_lock_context *l_ctx)
+static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx, const struct nfs_lock_context *l_ctx, int zero_seqid)
 {
 	nfs4_stateid stateid;
 	__be32 *p;
@@ -1392,6 +1392,8 @@  static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context
 	p = reserve_space(xdr, NFS4_STATEID_SIZE);
 	if (ctx->state != NULL) {
 		nfs4_copy_stateid(&stateid, ctx->state, l_ctx->lockowner, l_ctx->pid);
+		if (zero_seqid)
+			stateid.stateid.seqid = 0;
 		xdr_encode_opaque_fixed(p, stateid.data, NFS4_STATEID_SIZE);
 	} else
 		xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE);
@@ -1404,7 +1406,8 @@  static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args,
 	p = reserve_space(xdr, 4);
 	*p = cpu_to_be32(OP_READ);
 
-	encode_stateid(xdr, args->context, args->lock_context);
+	encode_stateid(xdr, args->context, args->lock_context,
+		       hdr->minorversion);
 
 	p = reserve_space(xdr, 12);
 	p = xdr_encode_hyper(p, args->offset);
@@ -1592,7 +1595,8 @@  static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *arg
 	p = reserve_space(xdr, 4);
 	*p = cpu_to_be32(OP_WRITE);
 
-	encode_stateid(xdr, args->context, args->lock_context);
+	encode_stateid(xdr, args->context, args->lock_context,
+		       hdr->minorversion);
 
 	p = reserve_space(xdr, 16);
 	p = xdr_encode_hyper(p, args->offset);