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raspberrypi-kernel
提交 9d787a75 编写于 作者: A Al Viro 提交者： Linus Torvalds
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[PATCH] xdr annotations: NFSv2 

on-the-wire data is big-endian

[in large part pulled from Alexey's patch]
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
Acked-by: NTrond Myklebust <trond.myklebust@fys.uio.no>
Acked-by: NNeil Brown <neilb@suse.de>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 52921e02
隐藏空白更改
内联 并排
Showing with 37 addition and 37 deletion
fs/nfs/nfs2xdr.c
浏览文件 @ 9d787a75
......@@ -66,15 +66,15 @@
/*
* Common NFS XDR functions as inlines
*/
static inline u32 *
xdr_encode_fhandle(u32 *p, struct nfs_fh *fhandle)
static inline __be32 *
xdr_encode_fhandle(__be32 *p, struct nfs_fh *fhandle)
{
memcpy(p, fhandle->data, NFS2_FHSIZE);
return p + XDR_QUADLEN(NFS2_FHSIZE);
}
static inline u32 *
xdr_decode_fhandle(u32 *p, struct nfs_fh *fhandle)
static inline __be32 *
xdr_decode_fhandle(__be32 *p, struct nfs_fh *fhandle)
{
/* NFSv2 handles have a fixed length */
fhandle->size = NFS2_FHSIZE;
......@@ -82,8 +82,8 @@ xdr_decode_fhandle(u32 *p, struct nfs_fh *fhandle)
return p + XDR_QUADLEN(NFS2_FHSIZE);
}
static inline u32*
xdr_encode_time(u32 *p, struct timespec *timep)
static inline __be32*
xdr_encode_time(__be32 *p, struct timespec *timep)
{
*p++ = htonl(timep->tv_sec);
/* Convert nanoseconds into microseconds */
......@@ -91,8 +91,8 @@ xdr_encode_time(u32 *p, struct timespec *timep)
return p;
}
static inline u32*
xdr_encode_current_server_time(u32 *p, struct timespec *timep)
static inline __be32*
xdr_encode_current_server_time(__be32 *p, struct timespec *timep)
{
/*
* Passing the invalid value useconds=1000000 is a
......@@ -108,8 +108,8 @@ xdr_encode_current_server_time(u32 *p, struct timespec *timep)
return p;
}
static inline u32*
xdr_decode_time(u32 *p, struct timespec *timep)
static inline __be32*
xdr_decode_time(__be32 *p, struct timespec *timep)
{
timep->tv_sec = ntohl(*p++);
/* Convert microseconds into nanoseconds */
......@@ -117,8 +117,8 @@ xdr_decode_time(u32 *p, struct timespec *timep)
return p;
}
static u32 *
xdr_decode_fattr(u32 *p, struct nfs_fattr *fattr)
static __be32 *
xdr_decode_fattr(__be32 *p, struct nfs_fattr *fattr)
{
u32 rdev;
fattr->type = (enum nfs_ftype) ntohl(*p++);
......@@ -146,10 +146,10 @@ xdr_decode_fattr(u32 *p, struct nfs_fattr *fattr)
return p;
}
static inline u32 *
xdr_encode_sattr(u32 *p, struct iattr *attr)
static inline __be32 *
xdr_encode_sattr(__be32 *p, struct iattr *attr)
{
const u32 not_set = __constant_htonl(0xFFFFFFFF);
const __be32 not_set = __constant_htonl(0xFFFFFFFF);
*p++ = (attr->ia_valid & ATTR_MODE) ? htonl(attr->ia_mode) : not_set;
*p++ = (attr->ia_valid & ATTR_UID) ? htonl(attr->ia_uid) : not_set;
......@@ -184,7 +184,7 @@ xdr_encode_sattr(u32 *p, struct iattr *attr)
* GETATTR, READLINK, STATFS
*/
static int
nfs_xdr_fhandle(struct rpc_rqst *req, u32 *p, struct nfs_fh *fh)
nfs_xdr_fhandle(struct rpc_rqst *req, __be32 *p, struct nfs_fh *fh)
{
p = xdr_encode_fhandle(p, fh);
req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
......@@ -195,7 +195,7 @@ nfs_xdr_fhandle(struct rpc_rqst *req, u32 *p, struct nfs_fh *fh)
* Encode SETATTR arguments
*/
static int
nfs_xdr_sattrargs(struct rpc_rqst *req, u32 *p, struct nfs_sattrargs *args)
nfs_xdr_sattrargs(struct rpc_rqst *req, __be32 *p, struct nfs_sattrargs *args)
{
p = xdr_encode_fhandle(p, args->fh);
p = xdr_encode_sattr(p, args->sattr);
......@@ -208,7 +208,7 @@ nfs_xdr_sattrargs(struct rpc_rqst *req, u32 *p, struct nfs_sattrargs *args)
* LOOKUP, REMOVE, RMDIR
*/
static int
nfs_xdr_diropargs(struct rpc_rqst *req, u32 *p, struct nfs_diropargs *args)
nfs_xdr_diropargs(struct rpc_rqst *req, __be32 *p, struct nfs_diropargs *args)
{
p = xdr_encode_fhandle(p, args->fh);
p = xdr_encode_array(p, args->name, args->len);
......@@ -222,7 +222,7 @@ nfs_xdr_diropargs(struct rpc_rqst *req, u32 *p, struct nfs_diropargs *args)
* exactly to the page we want to fetch.
*/
static int
nfs_xdr_readargs(struct rpc_rqst *req, u32 *p, struct nfs_readargs *args)
nfs_xdr_readargs(struct rpc_rqst *req, __be32 *p, struct nfs_readargs *args)
{
struct rpc_auth *auth = req->rq_task->tk_auth;
unsigned int replen;
......@@ -246,7 +246,7 @@ nfs_xdr_readargs(struct rpc_rqst *req, u32 *p, struct nfs_readargs *args)
* Decode READ reply
*/
static int
nfs_xdr_readres(struct rpc_rqst *req, u32 *p, struct nfs_readres *res)
nfs_xdr_readres(struct rpc_rqst *req, __be32 *p, struct nfs_readres *res)
{
struct kvec *iov = req->rq_rcv_buf.head;
int status, count, recvd, hdrlen;
......@@ -286,7 +286,7 @@ nfs_xdr_readres(struct rpc_rqst *req, u32 *p, struct nfs_readres *res)
* Write arguments. Splice the buffer to be written into the iovec.
*/
static int
nfs_xdr_writeargs(struct rpc_rqst *req, u32 *p, struct nfs_writeargs *args)
nfs_xdr_writeargs(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args)
{
struct xdr_buf *sndbuf = &req->rq_snd_buf;
u32 offset = (u32)args->offset;
......@@ -309,7 +309,7 @@ nfs_xdr_writeargs(struct rpc_rqst *req, u32 *p, struct nfs_writeargs *args)
* CREATE, MKDIR
*/
static int
nfs_xdr_createargs(struct rpc_rqst *req, u32 *p, struct nfs_createargs *args)
nfs_xdr_createargs(struct rpc_rqst *req, __be32 *p, struct nfs_createargs *args)
{
p = xdr_encode_fhandle(p, args->fh);
p = xdr_encode_array(p, args->name, args->len);
......@@ -322,7 +322,7 @@ nfs_xdr_createargs(struct rpc_rqst *req, u32 *p, struct nfs_createargs *args)
* Encode RENAME arguments
*/
static int
nfs_xdr_renameargs(struct rpc_rqst *req, u32 *p, struct nfs_renameargs *args)
nfs_xdr_renameargs(struct rpc_rqst *req, __be32 *p, struct nfs_renameargs *args)
{
p = xdr_encode_fhandle(p, args->fromfh);
p = xdr_encode_array(p, args->fromname, args->fromlen);
......@@ -336,7 +336,7 @@ nfs_xdr_renameargs(struct rpc_rqst *req, u32 *p, struct nfs_renameargs *args)
* Encode LINK arguments
*/
static int
nfs_xdr_linkargs(struct rpc_rqst *req, u32 *p, struct nfs_linkargs *args)
nfs_xdr_linkargs(struct rpc_rqst *req, __be32 *p, struct nfs_linkargs *args)
{
p = xdr_encode_fhandle(p, args->fromfh);
p = xdr_encode_fhandle(p, args->tofh);
......@@ -349,7 +349,7 @@ nfs_xdr_linkargs(struct rpc_rqst *req, u32 *p, struct nfs_linkargs *args)
* Encode SYMLINK arguments
*/
static int
nfs_xdr_symlinkargs(struct rpc_rqst *req, u32 *p, struct nfs_symlinkargs *args)
nfs_xdr_symlinkargs(struct rpc_rqst *req, __be32 *p, struct nfs_symlinkargs *args)
{
struct xdr_buf *sndbuf = &req->rq_snd_buf;
size_t pad;
......@@ -378,7 +378,7 @@ nfs_xdr_symlinkargs(struct rpc_rqst *req, u32 *p, struct nfs_symlinkargs *args)
* Encode arguments to readdir call
*/
static int
nfs_xdr_readdirargs(struct rpc_rqst *req, u32 *p, struct nfs_readdirargs *args)
nfs_xdr_readdirargs(struct rpc_rqst *req, __be32 *p, struct nfs_readdirargs *args)
{
struct rpc_task *task = req->rq_task;
struct rpc_auth *auth = task->tk_auth;
......@@ -404,7 +404,7 @@ nfs_xdr_readdirargs(struct rpc_rqst *req, u32 *p, struct nfs_readdirargs *args)
* from nfs_readdir for each entry.
*/
static int
nfs_xdr_readdirres(struct rpc_rqst *req, u32 *p, void *dummy)
nfs_xdr_readdirres(struct rpc_rqst *req, __be32 *p, void *dummy)
{
struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
struct kvec *iov = rcvbuf->head;
......@@ -412,7 +412,7 @@ nfs_xdr_readdirres(struct rpc_rqst *req, u32 *p, void *dummy)
int hdrlen, recvd;
int status, nr;
unsigned int len, pglen;
u32 *end, *entry, *kaddr;
__be32 *end, *entry, *kaddr;
if ((status = ntohl(*p++)))
return -nfs_stat_to_errno(status);
......@@ -432,8 +432,8 @@ nfs_xdr_readdirres(struct rpc_rqst *req, u32 *p, void *dummy)
if (pglen > recvd)
pglen = recvd;
page = rcvbuf->pages;
kaddr = p = (u32 *)kmap_atomic(*page, KM_USER0);
end = (u32 *)((char *)p + pglen);
kaddr = p = kmap_atomic(*page, KM_USER0);
end = (__be32 *)((char *)p + pglen);
entry = p;
for (nr = 0; *p++; nr++) {
if (p + 2 > end)
......@@ -496,7 +496,7 @@ nfs_decode_dirent(u32 *p, struct nfs_entry *entry, int plus)
* Decode simple status reply
*/
static int
nfs_xdr_stat(struct rpc_rqst *req, u32 *p, void *dummy)
nfs_xdr_stat(struct rpc_rqst *req, __be32 *p, void *dummy)
{
int status;
......@@ -510,7 +510,7 @@ nfs_xdr_stat(struct rpc_rqst *req, u32 *p, void *dummy)
* GETATTR, SETATTR, WRITE
*/
static int
nfs_xdr_attrstat(struct rpc_rqst *req, u32 *p, struct nfs_fattr *fattr)
nfs_xdr_attrstat(struct rpc_rqst *req, __be32 *p, struct nfs_fattr *fattr)
{
int status;
......@@ -525,7 +525,7 @@ nfs_xdr_attrstat(struct rpc_rqst *req, u32 *p, struct nfs_fattr *fattr)
* LOOKUP, CREATE, MKDIR
*/
static int
nfs_xdr_diropres(struct rpc_rqst *req, u32 *p, struct nfs_diropok *res)
nfs_xdr_diropres(struct rpc_rqst *req, __be32 *p, struct nfs_diropok *res)
{
int status;
......@@ -540,7 +540,7 @@ nfs_xdr_diropres(struct rpc_rqst *req, u32 *p, struct nfs_diropok *res)
* Encode READLINK args
*/
static int
nfs_xdr_readlinkargs(struct rpc_rqst *req, u32 *p, struct nfs_readlinkargs *args)
nfs_xdr_readlinkargs(struct rpc_rqst *req, __be32 *p, struct nfs_readlinkargs *args)
{
struct rpc_auth *auth = req->rq_task->tk_auth;
unsigned int replen;
......@@ -558,7 +558,7 @@ nfs_xdr_readlinkargs(struct rpc_rqst *req, u32 *p, struct nfs_readlinkargs *args
* Decode READLINK reply
*/
static int
nfs_xdr_readlinkres(struct rpc_rqst *req, u32 *p, void *dummy)
nfs_xdr_readlinkres(struct rpc_rqst *req, __be32 *p, void *dummy)
{
struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
struct kvec *iov = rcvbuf->head;
......@@ -601,7 +601,7 @@ nfs_xdr_readlinkres(struct rpc_rqst *req, u32 *p, void *dummy)
* Decode WRITE reply
*/
static int
nfs_xdr_writeres(struct rpc_rqst *req, u32 *p, struct nfs_writeres *res)
nfs_xdr_writeres(struct rpc_rqst *req, __be32 *p, struct nfs_writeres *res)
{
res->verf->committed = NFS_FILE_SYNC;
return nfs_xdr_attrstat(req, p, res->fattr);
......@@ -611,7 +611,7 @@ nfs_xdr_writeres(struct rpc_rqst *req, u32 *p, struct nfs_writeres *res)
* Decode STATFS reply
*/
static int
nfs_xdr_statfsres(struct rpc_rqst *req, u32 *p, struct nfs2_fsstat *res)
nfs_xdr_statfsres(struct rpc_rqst *req, __be32 *p, struct nfs2_fsstat *res)
{
int status;
......
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