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Commit 808ba32a authored by Fred Isaman's avatar Fred Isaman Committed by Trond Myklebust
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pnfs: Store return value of decode_layoutget for later processing 



This will be needed to seperate return value of OPEN and LAYOUTGET
when they are combined into a single RPC.

Signed-off-by: default avatarFred Isaman <fred.isaman@gmail.com>
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent 34ec9aac

fs/nfs/nfs4xdr.c

+10 −5
Original line number Diff line number Diff line
@@ -6024,7 +6024,7 @@ static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, 


	status = decode_op_hdr(xdr, OP_LAYOUTGET);

	if (status)

		return status;

		goto out;

	p = xdr_inline_decode(xdr, 4);

	if (unlikely(!p))

		goto out_overflow;
@@ -6037,7 +6037,8 @@ static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, 
	if (!layout_count) {

		dprintk("%s: server responded with empty layout array\n",

			__func__);

		return -EINVAL;

		status = -EINVAL;

		goto out;

	}



	p = xdr_inline_decode(xdr, 28);
@@ -6062,7 +6063,8 @@ static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, 
		dprintk("NFS: server cheating in layoutget reply: "

				"layout len %u > recvd %u\n",

				res->layoutp->len, recvd);

		return -EINVAL;

		status = -EINVAL;

		goto out;

	}



	if (layout_count > 1) {
@@ -6075,10 +6077,13 @@ static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, 
			__func__, layout_count);

	}



	return 0;

out:

	res->status = status;

	return status;

out_overflow:

	print_overflow_msg(__func__, xdr);

	return -EIO;

	status = -EIO;

	goto out;

}



static int decode_layoutreturn(struct xdr_stream *xdr,

include/linux/nfs_xdr.h

+1 −0
Original line number Diff line number Diff line
@@ -259,6 +259,7 @@ struct nfs4_layoutget_args { 


struct nfs4_layoutget_res {

	struct nfs4_sequence_res seq_res;

	int status;

	__u32 return_on_close;

	struct pnfs_layout_range range;

	__u32 type;