Commit c9c30dd5 authored by Benny Halevy's avatar Benny Halevy Committed by Trond Myklebust
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NFSv4.1: deprecate headerpadsz in CREATE_SESSION 



We don't support header padding yet so better off ditching it

Reported-by: default avatarSid Moore <learnmost@gmail.com>
Signed-off-by: default avatarBenny Halevy <benny@tonian.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 0f66b598

fs/nfs/nfs4proc.c

+0 −4
Original line number Diff line number Diff line
@@ -5098,7 +5098,6 @@ static void nfs4_init_channel_attrs(struct nfs41_create_session_args *args) 
	if (mxresp_sz == 0)

		mxresp_sz = NFS_MAX_FILE_IO_SIZE;

	/* Fore channel attributes */

	args->fc_attrs.headerpadsz = 0;

	args->fc_attrs.max_rqst_sz = mxrqst_sz;

	args->fc_attrs.max_resp_sz = mxresp_sz;

	args->fc_attrs.max_ops = NFS4_MAX_OPS;
@@ -5111,7 +5110,6 @@ static void nfs4_init_channel_attrs(struct nfs41_create_session_args *args) 
		args->fc_attrs.max_ops, args->fc_attrs.max_reqs);



	/* Back channel attributes */

	args->bc_attrs.headerpadsz = 0;

	args->bc_attrs.max_rqst_sz = PAGE_SIZE;

	args->bc_attrs.max_resp_sz = PAGE_SIZE;

	args->bc_attrs.max_resp_sz_cached = 0;
@@ -5131,8 +5129,6 @@ static int nfs4_verify_fore_channel_attrs(struct nfs41_create_session_args *args 
	struct nfs4_channel_attrs *sent = &args->fc_attrs;

	struct nfs4_channel_attrs *rcvd = &session->fc_attrs;



	if (rcvd->headerpadsz > sent->headerpadsz)

		return -EINVAL;

	if (rcvd->max_resp_sz > sent->max_resp_sz)

		return -EINVAL;

	/*

fs/nfs/nfs4xdr.c

+6 −4
Original line number Diff line number Diff line
@@ -1725,7 +1725,7 @@ static void encode_create_session(struct xdr_stream *xdr, 
	*p++ = cpu_to_be32(args->flags);			/*flags */



	/* Fore Channel */

	*p++ = cpu_to_be32(args->fc_attrs.headerpadsz);	/* header padding size */

	*p++ = cpu_to_be32(0);				/* header padding size */

	*p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz);	/* max req size */

	*p++ = cpu_to_be32(args->fc_attrs.max_resp_sz);	/* max resp size */

	*p++ = cpu_to_be32(max_resp_sz_cached);		/* Max resp sz cached */
@@ -1734,7 +1734,7 @@ static void encode_create_session(struct xdr_stream *xdr, 
	*p++ = cpu_to_be32(0);				/* rdmachannel_attrs */



	/* Back Channel */

	*p++ = cpu_to_be32(args->fc_attrs.headerpadsz);	/* header padding size */

	*p++ = cpu_to_be32(0);				/* header padding size */

	*p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz);	/* max req size */

	*p++ = cpu_to_be32(args->bc_attrs.max_resp_sz);	/* max resp size */

	*p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached);	/* Max resp sz cached */
@@ -4997,12 +4997,14 @@ static int decode_chan_attrs(struct xdr_stream *xdr, 
			     struct nfs4_channel_attrs *attrs)

{

	__be32 *p;

	u32 nr_attrs;

	u32 nr_attrs, val;



	p = xdr_inline_decode(xdr, 28);

	if (unlikely(!p))

		goto out_overflow;

	attrs->headerpadsz = be32_to_cpup(p++);

	val = be32_to_cpup(p++);	/* headerpadsz */

	if (val)

		return -EINVAL;		/* no support for header padding yet */

	attrs->max_rqst_sz = be32_to_cpup(p++);

	attrs->max_resp_sz = be32_to_cpup(p++);

	attrs->max_resp_sz_cached = be32_to_cpup(p++);

include/linux/nfs_xdr.h

+0 −1
Original line number Diff line number Diff line
@@ -158,7 +158,6 @@ struct nfs_seqid; 


/* nfs41 sessions channel attributes */

struct nfs4_channel_attrs {

	u32			headerpadsz;

	u32			max_rqst_sz;

	u32			max_resp_sz;

	u32			max_resp_sz_cached;