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Commit 3c6b899c authored by Anna Schumaker's avatar Anna Schumaker Committed by Trond Myklebust
Browse files

NFS: Create a common argument structure for reads and writes 



Reads and writes have very similar arguments.  This patch combines them
together and documents the few fields used only by write.

Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@primarydata.com>
parent fab5fc25

fs/nfs/nfs2xdr.c

+4 −4
Original line number Diff line number Diff line
@@ -613,7 +613,7 @@ static void nfs2_xdr_enc_readlinkargs(struct rpc_rqst *req, 
 *	};

 */

static void encode_readargs(struct xdr_stream *xdr,

			    const struct nfs_readargs *args)

			    const struct nfs_pgio_args *args)

{

	u32 offset = args->offset;

	u32 count = args->count;
@@ -629,7 +629,7 @@ static void encode_readargs(struct xdr_stream *xdr, 


static void nfs2_xdr_enc_readargs(struct rpc_rqst *req,

				  struct xdr_stream *xdr,

				  const struct nfs_readargs *args)

				  const struct nfs_pgio_args *args)

{

	encode_readargs(xdr, args);

	prepare_reply_buffer(req, args->pages, args->pgbase,
@@ -649,7 +649,7 @@ static void nfs2_xdr_enc_readargs(struct rpc_rqst *req, 
 *	};

 */

static void encode_writeargs(struct xdr_stream *xdr,

			     const struct nfs_writeargs *args)

			     const struct nfs_pgio_args *args)

{

	u32 offset = args->offset;

	u32 count = args->count;
@@ -669,7 +669,7 @@ static void encode_writeargs(struct xdr_stream *xdr, 


static void nfs2_xdr_enc_writeargs(struct rpc_rqst *req,

				   struct xdr_stream *xdr,

				   const struct nfs_writeargs *args)

				   const struct nfs_pgio_args *args)

{

	encode_writeargs(xdr, args);

	xdr->buf->flags |= XDRBUF_WRITE;

fs/nfs/nfs3xdr.c

+4 −4
Original line number Diff line number Diff line
@@ -953,7 +953,7 @@ static void nfs3_xdr_enc_readlink3args(struct rpc_rqst *req, 
 *	};

 */

static void encode_read3args(struct xdr_stream *xdr,

			     const struct nfs_readargs *args)

			     const struct nfs_pgio_args *args)

{

	__be32 *p;
@@ -966,7 +966,7 @@ static void encode_read3args(struct xdr_stream *xdr, 


static void nfs3_xdr_enc_read3args(struct rpc_rqst *req,

				   struct xdr_stream *xdr,

				   const struct nfs_readargs *args)

				   const struct nfs_pgio_args *args)

{

	encode_read3args(xdr, args);

	prepare_reply_buffer(req, args->pages, args->pgbase,
@@ -992,7 +992,7 @@ static void nfs3_xdr_enc_read3args(struct rpc_rqst *req, 
 *	};

 */

static void encode_write3args(struct xdr_stream *xdr,

			      const struct nfs_writeargs *args)

			      const struct nfs_pgio_args *args)

{

	__be32 *p;
@@ -1008,7 +1008,7 @@ static void encode_write3args(struct xdr_stream *xdr, 


static void nfs3_xdr_enc_write3args(struct rpc_rqst *req,

				    struct xdr_stream *xdr,

				    const struct nfs_writeargs *args)

				    const struct nfs_pgio_args *args)

{

	encode_write3args(xdr, args);

	xdr->buf->flags |= XDRBUF_WRITE;

fs/nfs/nfs4proc.c

+2 −2
Original line number Diff line number Diff line
@@ -4055,7 +4055,7 @@ static int nfs4_read_done_cb(struct rpc_task *task, struct nfs_read_data *data) 
}



static bool nfs4_read_stateid_changed(struct rpc_task *task,

		struct nfs_readargs *args)

		struct nfs_pgio_args *args)

{



	if (!nfs4_error_stateid_expired(task->tk_status) ||
@@ -4121,7 +4121,7 @@ static int nfs4_write_done_cb(struct rpc_task *task, struct nfs_write_data *data 
}



static bool nfs4_write_stateid_changed(struct rpc_task *task,

		struct nfs_writeargs *args)

		struct nfs_pgio_args *args)

{



	if (!nfs4_error_stateid_expired(task->tk_status) ||

fs/nfs/nfs4xdr.c

+6 −4
Original line number Diff line number Diff line
@@ -1556,7 +1556,8 @@ static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) 
	encode_op_hdr(xdr, OP_PUTROOTFH, decode_putrootfh_maxsz, hdr);

}



static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr)

static void encode_read(struct xdr_stream *xdr, const struct nfs_pgio_args *args,

			struct compound_hdr *hdr)

{

	__be32 *p;
@@ -1701,7 +1702,8 @@ static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4 
	encode_nfs4_verifier(xdr, &arg->confirm);

}



static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr)

static void encode_write(struct xdr_stream *xdr, const struct nfs_pgio_args *args,

			 struct compound_hdr *hdr)

{

	__be32 *p;
@@ -2451,7 +2453,7 @@ static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, 
 * Encode a READ request

 */

static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr,

			      struct nfs_readargs *args)

			      struct nfs_pgio_args *args)

{

	struct compound_hdr hdr = {

		.minorversion = nfs4_xdr_minorversion(&args->seq_args),
@@ -2513,7 +2515,7 @@ static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, 
 * Encode a WRITE request

 */

static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr,

			       struct nfs_writeargs *args)

			       struct nfs_pgio_args *args)

{

	struct compound_hdr hdr = {

		.minorversion = nfs4_xdr_minorversion(&args->seq_args),

fs/nfs/read.c

+1 −1
Original line number Diff line number Diff line
@@ -470,7 +470,7 @@ int nfs_readpage_result(struct rpc_task *task, struct nfs_read_data *data) 


static void nfs_readpage_retry(struct rpc_task *task, struct nfs_read_data *data)

{

	struct nfs_readargs *argp = &data->args;

	struct nfs_pgio_args *argp = &data->args;

	struct nfs_readres *resp = &data->res;



	/* This is a short read! */