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-rw-r--r--fs/nfs/nfs2xdr.c19
-rw-r--r--fs/nfs/nfs3xdr.c29
-rw-r--r--fs/nfs/nfs4xdr.c36
-rw-r--r--net/sunrpc/clnt.c5
-rw-r--r--net/sunrpc/xdr.c3
5 files changed, 46 insertions, 46 deletions
diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c
index f6676af37d5d..7fba7711e6b3 100644
--- a/fs/nfs/nfs2xdr.c
+++ b/fs/nfs/nfs2xdr.c
@@ -34,6 +34,7 @@
* Declare the space requirements for NFS arguments and replies as
* number of 32bit-words
*/
+#define NFS_pagepad_sz (1) /* Page padding */
#define NFS_fhandle_sz (8)
#define NFS_sattr_sz (8)
#define NFS_filename_sz (1+(NFS2_MAXNAMLEN>>2))
@@ -56,11 +57,11 @@
#define NFS_attrstat_sz (1+NFS_fattr_sz)
#define NFS_diropres_sz (1+NFS_fhandle_sz+NFS_fattr_sz)
-#define NFS_readlinkres_sz (2+1)
-#define NFS_readres_sz (1+NFS_fattr_sz+1+1)
+#define NFS_readlinkres_sz (2+NFS_pagepad_sz)
+#define NFS_readres_sz (1+NFS_fattr_sz+1+NFS_pagepad_sz)
#define NFS_writeres_sz (NFS_attrstat_sz)
#define NFS_stat_sz (1)
-#define NFS_readdirres_sz (1+1)
+#define NFS_readdirres_sz (1+NFS_pagepad_sz)
#define NFS_statfsres_sz (1+NFS_info_sz)
static int nfs_stat_to_errno(enum nfs_stat);
@@ -592,8 +593,8 @@ static void nfs2_xdr_enc_readlinkargs(struct rpc_rqst *req,
const struct nfs_readlinkargs *args = data;
encode_fhandle(xdr, args->fh);
- rpc_prepare_reply_pages(req, args->pages, args->pgbase,
- args->pglen, NFS_readlinkres_sz);
+ rpc_prepare_reply_pages(req, args->pages, args->pgbase, args->pglen,
+ NFS_readlinkres_sz - NFS_pagepad_sz);
}
/*
@@ -628,8 +629,8 @@ static void nfs2_xdr_enc_readargs(struct rpc_rqst *req,
const struct nfs_pgio_args *args = data;
encode_readargs(xdr, args);
- rpc_prepare_reply_pages(req, args->pages, args->pgbase,
- args->count, NFS_readres_sz);
+ rpc_prepare_reply_pages(req, args->pages, args->pgbase, args->count,
+ NFS_readres_sz - NFS_pagepad_sz);
req->rq_rcv_buf.flags |= XDRBUF_READ;
}
@@ -786,8 +787,8 @@ static void nfs2_xdr_enc_readdirargs(struct rpc_rqst *req,
const struct nfs_readdirargs *args = data;
encode_readdirargs(xdr, args);
- rpc_prepare_reply_pages(req, args->pages, 0,
- args->count, NFS_readdirres_sz);
+ rpc_prepare_reply_pages(req, args->pages, 0, args->count,
+ NFS_readdirres_sz - NFS_pagepad_sz);
}
/*
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index 69971f6c840d..ca10072644ff 100644
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -33,6 +33,7 @@
* Declare the space requirements for NFS arguments and replies as
* number of 32bit-words
*/
+#define NFS3_pagepad_sz (1) /* Page padding */
#define NFS3_fhandle_sz (1+16)
#define NFS3_fh_sz (NFS3_fhandle_sz) /* shorthand */
#define NFS3_sattr_sz (15)
@@ -69,13 +70,13 @@
#define NFS3_removeres_sz (NFS3_setattrres_sz)
#define NFS3_lookupres_sz (1+NFS3_fh_sz+(2 * NFS3_post_op_attr_sz))
#define NFS3_accessres_sz (1+NFS3_post_op_attr_sz+1)
-#define NFS3_readlinkres_sz (1+NFS3_post_op_attr_sz+1+1)
-#define NFS3_readres_sz (1+NFS3_post_op_attr_sz+3+1)
+#define NFS3_readlinkres_sz (1+NFS3_post_op_attr_sz+1+NFS3_pagepad_sz)
+#define NFS3_readres_sz (1+NFS3_post_op_attr_sz+3+NFS3_pagepad_sz)
#define NFS3_writeres_sz (1+NFS3_wcc_data_sz+4)
#define NFS3_createres_sz (1+NFS3_fh_sz+NFS3_post_op_attr_sz+NFS3_wcc_data_sz)
#define NFS3_renameres_sz (1+(2 * NFS3_wcc_data_sz))
#define NFS3_linkres_sz (1+NFS3_post_op_attr_sz+NFS3_wcc_data_sz)
-#define NFS3_readdirres_sz (1+NFS3_post_op_attr_sz+2+1)
+#define NFS3_readdirres_sz (1+NFS3_post_op_attr_sz+2+NFS3_pagepad_sz)
#define NFS3_fsstatres_sz (1+NFS3_post_op_attr_sz+13)
#define NFS3_fsinfores_sz (1+NFS3_post_op_attr_sz+12)
#define NFS3_pathconfres_sz (1+NFS3_post_op_attr_sz+6)
@@ -85,7 +86,8 @@
#define ACL3_setaclargs_sz (NFS3_fh_sz+1+ \
XDR_QUADLEN(NFS_ACL_INLINE_BUFSIZE))
#define ACL3_getaclres_sz (1+NFS3_post_op_attr_sz+1+ \
- XDR_QUADLEN(NFS_ACL_INLINE_BUFSIZE)+1)
+ XDR_QUADLEN(NFS_ACL_INLINE_BUFSIZE)+\
+ NFS3_pagepad_sz)
#define ACL3_setaclres_sz (1+NFS3_post_op_attr_sz)
static int nfs3_stat_to_errno(enum nfs_stat);
@@ -909,8 +911,8 @@ static void nfs3_xdr_enc_readlink3args(struct rpc_rqst *req,
const struct nfs3_readlinkargs *args = data;
encode_nfs_fh3(xdr, args->fh);
- rpc_prepare_reply_pages(req, args->pages, args->pgbase,
- args->pglen, NFS3_readlinkres_sz);
+ rpc_prepare_reply_pages(req, args->pages, args->pgbase, args->pglen,
+ NFS3_readlinkres_sz - NFS3_pagepad_sz);
}
/*
@@ -939,7 +941,8 @@ static void nfs3_xdr_enc_read3args(struct rpc_rqst *req,
const void *data)
{
const struct nfs_pgio_args *args = data;
- unsigned int replen = args->replen ? args->replen : NFS3_readres_sz;
+ unsigned int replen = args->replen ? args->replen :
+ NFS3_readres_sz - NFS3_pagepad_sz;
encode_read3args(xdr, args);
rpc_prepare_reply_pages(req, args->pages, args->pgbase,
@@ -1239,8 +1242,8 @@ static void nfs3_xdr_enc_readdir3args(struct rpc_rqst *req,
const struct nfs3_readdirargs *args = data;
encode_readdir3args(xdr, args);
- rpc_prepare_reply_pages(req, args->pages, 0,
- args->count, NFS3_readdirres_sz);
+ rpc_prepare_reply_pages(req, args->pages, 0, args->count,
+ NFS3_readdirres_sz - NFS3_pagepad_sz);
}
/*
@@ -1281,8 +1284,8 @@ static void nfs3_xdr_enc_readdirplus3args(struct rpc_rqst *req,
const struct nfs3_readdirargs *args = data;
encode_readdirplus3args(xdr, args);
- rpc_prepare_reply_pages(req, args->pages, 0,
- args->count, NFS3_readdirres_sz);
+ rpc_prepare_reply_pages(req, args->pages, 0, args->count,
+ NFS3_readdirres_sz - NFS3_pagepad_sz);
}
/*
@@ -1328,7 +1331,7 @@ static void nfs3_xdr_enc_getacl3args(struct rpc_rqst *req,
if (args->mask & (NFS_ACL | NFS_DFACL)) {
rpc_prepare_reply_pages(req, args->pages, 0,
NFSACL_MAXPAGES << PAGE_SHIFT,
- ACL3_getaclres_sz);
+ ACL3_getaclres_sz - NFS3_pagepad_sz);
req->rq_rcv_buf.flags |= XDRBUF_SPARSE_PAGES;
}
}
@@ -1648,7 +1651,7 @@ static int nfs3_xdr_dec_read3res(struct rpc_rqst *req, struct xdr_stream *xdr,
result->op_status = status;
if (status != NFS3_OK)
goto out_status;
- result->replen = 4 + ((xdr_stream_pos(xdr) - pos) >> 2);
+ result->replen = 3 + ((xdr_stream_pos(xdr) - pos) >> 2);
error = decode_read3resok(xdr, result);
out:
return error;
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index c16b93df1bc1..3899ef3047f4 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -84,6 +84,7 @@ static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req,
/* lock,open owner id:
* we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2)
*/
+#define pagepad_maxsz (1)
#define open_owner_id_maxsz (1 + 2 + 1 + 1 + 2)
#define lock_owner_id_maxsz (1 + 1 + 4)
#define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ))
@@ -215,14 +216,14 @@ static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req,
nfs4_fattr_bitmap_maxsz)
#define encode_read_maxsz (op_encode_hdr_maxsz + \
encode_stateid_maxsz + 3)
-#define decode_read_maxsz (op_decode_hdr_maxsz + 2 + 1)
+#define decode_read_maxsz (op_decode_hdr_maxsz + 2 + pagepad_maxsz)
#define encode_readdir_maxsz (op_encode_hdr_maxsz + \
2 + encode_verifier_maxsz + 5 + \
nfs4_label_maxsz)
#define decode_readdir_maxsz (op_decode_hdr_maxsz + \
- decode_verifier_maxsz + 1)
+ decode_verifier_maxsz + pagepad_maxsz)
#define encode_readlink_maxsz (op_encode_hdr_maxsz)
-#define decode_readlink_maxsz (op_decode_hdr_maxsz + 1 + 1)
+#define decode_readlink_maxsz (op_decode_hdr_maxsz + 1 + pagepad_maxsz)
#define encode_write_maxsz (op_encode_hdr_maxsz + \
encode_stateid_maxsz + 4)
#define decode_write_maxsz (op_decode_hdr_maxsz + \
@@ -284,14 +285,14 @@ static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req,
#define decode_delegreturn_maxsz (op_decode_hdr_maxsz)
#define encode_getacl_maxsz (encode_getattr_maxsz)
#define decode_getacl_maxsz (op_decode_hdr_maxsz + \
- nfs4_fattr_bitmap_maxsz + 1 + 1)
+ nfs4_fattr_bitmap_maxsz + 1 + pagepad_maxsz)
#define encode_setacl_maxsz (op_encode_hdr_maxsz + \
encode_stateid_maxsz + 3)
#define decode_setacl_maxsz (decode_setattr_maxsz)
#define encode_fs_locations_maxsz \
(encode_getattr_maxsz)
#define decode_fs_locations_maxsz \
- (1)
+ (pagepad_maxsz)
#define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz)
#define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4))
@@ -393,12 +394,13 @@ static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req,
/* devaddr4 payload is read into page */ \
1 /* notification bitmap length */ + \
1 /* notification bitmap, word 0 */ + \
- 1 /* possible XDR padding */)
+ pagepad_maxsz /* possible XDR padding */)
#define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \
encode_stateid_maxsz)
#define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \
decode_stateid_maxsz + \
- XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE) + 1)
+ XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE) + \
+ pagepad_maxsz)
#define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \
2 /* offset */ + \
2 /* length */ + \
@@ -2342,7 +2344,7 @@ static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr,
encode_layoutget(xdr, args->lg_args, &hdr);
rpc_prepare_reply_pages(req, args->lg_args->layout.pages, 0,
args->lg_args->layout.pglen,
- hdr.replen);
+ hdr.replen - pagepad_maxsz);
}
encode_nops(&hdr);
}
@@ -2388,7 +2390,7 @@ static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req,
encode_layoutget(xdr, args->lg_args, &hdr);
rpc_prepare_reply_pages(req, args->lg_args->layout.pages, 0,
args->lg_args->layout.pglen,
- hdr.replen);
+ hdr.replen - pagepad_maxsz);
}
encode_nops(&hdr);
}
@@ -2499,7 +2501,7 @@ static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr,
encode_readlink(xdr, args, req, &hdr);
rpc_prepare_reply_pages(req, args->pages, args->pgbase,
- args->pglen, hdr.replen);
+ args->pglen, hdr.replen - pagepad_maxsz);
encode_nops(&hdr);
}
@@ -2520,7 +2522,7 @@ static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr,
encode_readdir(xdr, args, req, &hdr);
rpc_prepare_reply_pages(req, args->pages, args->pgbase,
- args->count, hdr.replen);
+ args->count, hdr.replen - pagepad_maxsz);
encode_nops(&hdr);
}
@@ -2541,7 +2543,7 @@ static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr,
encode_read(xdr, args, &hdr);
rpc_prepare_reply_pages(req, args->pages, args->pgbase,
- args->count, hdr.replen);
+ args->count, hdr.replen - pagepad_maxsz);
req->rq_rcv_buf.flags |= XDRBUF_READ;
encode_nops(&hdr);
}
@@ -2588,7 +2590,7 @@ static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr,
ARRAY_SIZE(nfs4_acl_bitmap), &hdr);
rpc_prepare_reply_pages(req, args->acl_pages, 0,
- args->acl_len, replen + 1);
+ args->acl_len, replen);
encode_nops(&hdr);
}
@@ -2810,7 +2812,7 @@ static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req,
}
rpc_prepare_reply_pages(req, (struct page **)&args->page, 0,
- PAGE_SIZE, replen + 1);
+ PAGE_SIZE, replen);
encode_nops(&hdr);
}
@@ -3014,14 +3016,14 @@ static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req,
encode_compound_hdr(xdr, req, &hdr);
encode_sequence(xdr, &args->seq_args, &hdr);
- replen = hdr.replen + op_decode_hdr_maxsz;
+ replen = hdr.replen + op_decode_hdr_maxsz + 2;
encode_getdeviceinfo(xdr, args, &hdr);
/* set up reply kvec. device_addr4 opaque data is read into the
* pages */
rpc_prepare_reply_pages(req, args->pdev->pages, args->pdev->pgbase,
- args->pdev->pglen, replen + 2 + 1);
+ args->pdev->pglen, replen);
encode_nops(&hdr);
}
@@ -3043,7 +3045,7 @@ static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req,
encode_layoutget(xdr, args, &hdr);
rpc_prepare_reply_pages(req, args->layout.pages, 0,
- args->layout.pglen, hdr.replen);
+ args->layout.pglen, hdr.replen - pagepad_maxsz);
encode_nops(&hdr);
}
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 3259120462ed..612f0a641f4c 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1251,10 +1251,7 @@ void rpc_prepare_reply_pages(struct rpc_rqst *req, struct page **pages,
unsigned int base, unsigned int len,
unsigned int hdrsize)
{
- /* Subtract one to force an extra word of buffer space for the
- * payload's XDR pad to fall into the rcv_buf's tail iovec.
- */
- hdrsize += RPC_REPHDRSIZE + req->rq_cred->cr_auth->au_ralign - 1;
+ hdrsize += RPC_REPHDRSIZE + req->rq_cred->cr_auth->au_ralign;
xdr_inline_pages(&req->rq_rcv_buf, hdrsize << 2, pages, base, len);
trace_rpc_xdr_reply_pages(req->rq_task, &req->rq_rcv_buf);
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index 3ce0a5daa9eb..5a450055469f 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -193,9 +193,6 @@ xdr_inline_pages(struct xdr_buf *xdr, unsigned int offset,
tail->iov_base = buf + offset;
tail->iov_len = buflen - offset;
- if ((xdr->page_len & 3) == 0)
- tail->iov_len -= sizeof(__be32);
-
xdr->buflen += len;
}
EXPORT_SYMBOL_GPL(xdr_inline_pages);