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Commit aabff4dd authored by Peng Tao's avatar Peng Tao Committed by Tom Haynes
Browse files

nfs: save server READ/WRITE/COMMIT status 



Flexfiles layout would want to use them to report DS IO status.

Signed-off-by: default avatarPeng Tao <tao.peng@primarydata.com>
Signed-off-by: default avatarTom Haynes <Thomas.Haynes@primarydata.com>
parent 9bf87482

fs/nfs/nfs2xdr.c

+7 −3
Original line number Diff line number Diff line
@@ -481,7 +481,8 @@ static int decode_path(struct xdr_stream *xdr) 
 *		void;

 *	};

 */

static int decode_attrstat(struct xdr_stream *xdr, struct nfs_fattr *result)

static int decode_attrstat(struct xdr_stream *xdr, struct nfs_fattr *result,

			   __u32 *op_status)

{

	enum nfs_stat status;

	int error;
@@ -489,6 +490,8 @@ static int decode_attrstat(struct xdr_stream *xdr, struct nfs_fattr *result) 
	error = decode_stat(xdr, &status);

	if (unlikely(error))

		goto out;

	if (op_status)

		*op_status = status;

	if (status != NFS_OK)

		goto out_default;

	error = decode_fattr(xdr, result);
@@ -808,7 +811,7 @@ static int nfs2_xdr_dec_stat(struct rpc_rqst *req, struct xdr_stream *xdr, 
static int nfs2_xdr_dec_attrstat(struct rpc_rqst *req, struct xdr_stream *xdr,

				 struct nfs_fattr *result)

{

	return decode_attrstat(xdr, result);

	return decode_attrstat(xdr, result, NULL);

}



static int nfs2_xdr_dec_diropres(struct rpc_rqst *req, struct xdr_stream *xdr,
@@ -865,6 +868,7 @@ static int nfs2_xdr_dec_readres(struct rpc_rqst *req, struct xdr_stream *xdr, 
	error = decode_stat(xdr, &status);

	if (unlikely(error))

		goto out;

	result->op_status = status;

	if (status != NFS_OK)

		goto out_default;

	error = decode_fattr(xdr, result->fattr);
@@ -882,7 +886,7 @@ static int nfs2_xdr_dec_writeres(struct rpc_rqst *req, struct xdr_stream *xdr, 
{

	/* All NFSv2 writes are "file sync" writes */

	result->verf->committed = NFS_FILE_SYNC;

	return decode_attrstat(xdr, result->fattr);

	return decode_attrstat(xdr, result->fattr, &result->op_status);

}



/**

fs/nfs/nfs3xdr.c

+3 −0
Original line number Diff line number Diff line
@@ -1636,6 +1636,7 @@ static int nfs3_xdr_dec_read3res(struct rpc_rqst *req, struct xdr_stream *xdr, 
	error = decode_post_op_attr(xdr, result->fattr);

	if (unlikely(error))

		goto out;

	result->op_status = status;

	if (status != NFS3_OK)

		goto out_status;

	error = decode_read3resok(xdr, result);
@@ -1708,6 +1709,7 @@ static int nfs3_xdr_dec_write3res(struct rpc_rqst *req, struct xdr_stream *xdr, 
	error = decode_wcc_data(xdr, result->fattr);

	if (unlikely(error))

		goto out;

	result->op_status = status;

	if (status != NFS3_OK)

		goto out_status;

	error = decode_write3resok(xdr, result);
@@ -2323,6 +2325,7 @@ static int nfs3_xdr_dec_commit3res(struct rpc_rqst *req, 
	error = decode_wcc_data(xdr, result->fattr);

	if (unlikely(error))

		goto out;

	result->op_status = status;

	if (status != NFS3_OK)

		goto out_status;

	error = decode_writeverf3(xdr, &result->verf->verifier);

fs/nfs/nfs4xdr.c

+3 −0
Original line number Diff line number Diff line
@@ -6567,6 +6567,7 @@ static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 
	int status;



	status = decode_compound_hdr(xdr, &hdr);

	res->op_status = hdr.status;

	if (status)

		goto out;

	status = decode_sequence(xdr, &res->seq_res, rqstp);
@@ -6592,6 +6593,7 @@ static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 
	int status;



	status = decode_compound_hdr(xdr, &hdr);

	res->op_status = hdr.status;

	if (status)

		goto out;

	status = decode_sequence(xdr, &res->seq_res, rqstp);
@@ -6621,6 +6623,7 @@ static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, 
	int status;



	status = decode_compound_hdr(xdr, &hdr);

	res->op_status = hdr.status;

	if (status)

		goto out;

	status = decode_sequence(xdr, &res->seq_res, rqstp);

include/linux/nfs_xdr.h

+2 −0
Original line number Diff line number Diff line
@@ -513,6 +513,7 @@ struct nfs_pgio_res { 
	struct nfs4_sequence_res	seq_res;

	struct nfs_fattr *	fattr;

	__u32			count;

	__u32			op_status;

	int			eof;		/* used by read */

	struct nfs_writeverf *	verf;		/* used by write */

	const struct nfs_server *server;	/* used by write */
@@ -532,6 +533,7 @@ struct nfs_commitargs { 


struct nfs_commitres {

	struct nfs4_sequence_res	seq_res;

	__u32			op_status;

	struct nfs_fattr	*fattr;

	struct nfs_writeverf	*verf;

	const struct nfs_server *server;