NFSv4: Ensure that we track the NFSv4 lock state in read/write requests.
This patch fixes bugzilla entry 14501:
https://bugzilla.kernel.org/show_bug.cgi?id=14501
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 1f7781d..873b62f 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -1324,14 +1324,14 @@
hdr->replen += decode_putrootfh_maxsz;
}
-static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx)
+static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx, const struct nfs_lock_context *l_ctx)
{
nfs4_stateid stateid;
__be32 *p;
p = reserve_space(xdr, NFS4_STATEID_SIZE);
if (ctx->state != NULL) {
- nfs4_copy_stateid(&stateid, ctx->state, ctx->lockowner);
+ nfs4_copy_stateid(&stateid, ctx->state, l_ctx->lockowner);
xdr_encode_opaque_fixed(p, stateid.data, NFS4_STATEID_SIZE);
} else
xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE);
@@ -1344,7 +1344,7 @@
p = reserve_space(xdr, 4);
*p = cpu_to_be32(OP_READ);
- encode_stateid(xdr, args->context);
+ encode_stateid(xdr, args->context, args->lock_context);
p = reserve_space(xdr, 12);
p = xdr_encode_hyper(p, args->offset);
@@ -1523,7 +1523,7 @@
p = reserve_space(xdr, 4);
*p = cpu_to_be32(OP_WRITE);
- encode_stateid(xdr, args->context);
+ encode_stateid(xdr, args->context, args->lock_context);
p = reserve_space(xdr, 16);
p = xdr_encode_hyper(p, args->offset);