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nfs: nfs4xdr: get rid of READ32

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s/READ32\((.*)\)/\1 = be32_to_cpup(p++)/

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Benny Halevy 2009-08-14 17:19:37 +03:00 • committed by Trond Myklebust
commit 6f723f7710
1 changed files with 72 additions and 73 deletions
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145
fs/nfs/nfs4xdr.c
View file

@ -2433,7 +2433,6 @@ static int nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, uint32_t *p,
* task to translate them into Linux-specific versions which are more
* consistent with the style used in NFSv2/v3...
*/
#define READ32(x) (x) = ntohl(*p++)
#define READ64(x) do { \
(x) = (u64)ntohl(*p++) << 32; \
(x) |= ntohl(*p++); \
@ -2464,7 +2463,7 @@ static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char
__be32 *p;
READ_BUF(4);
READ32(*len);
*len = be32_to_cpup(p++);
READ_BUF(*len);
*string = (char *)p;
return 0;
@ -2475,13 +2474,13 @@ static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr)
__be32 *p;
READ_BUF(8);
READ32(hdr->status);
READ32(hdr->taglen);
hdr->status = be32_to_cpup(p++);
hdr->taglen = be32_to_cpup(p++);
READ_BUF(hdr->taglen + 4);
hdr->tag = (char *)p;
p += XDR_QUADLEN(hdr->taglen);
READ32(hdr->nops);
hdr->nops = be32_to_cpup(p++);
if (unlikely(hdr->nops < 1))
return nfs4_stat_to_errno(hdr->status);
return 0;
@ -2494,14 +2493,14 @@ static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected)
int32_t nfserr;
READ_BUF(8);
READ32(opnum);
opnum = be32_to_cpup(p++);
if (opnum != expected) {
dprintk("nfs: Server returned operation"
" %d but we issued a request for %d\n",
opnum, expected);
return -EIO;
}
READ32(nfserr);
nfserr = be32_to_cpup(p++);
if (nfserr != NFS_OK)
return nfs4_stat_to_errno(nfserr);
return 0;
@ -2524,14 +2523,14 @@ static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap)
__be32 *p;
READ_BUF(4);
READ32(bmlen);
bmlen = be32_to_cpup(p++);
bitmap[0] = bitmap[1] = 0;
READ_BUF((bmlen << 2));
if (bmlen > 0) {
READ32(bitmap[0]);
bitmap[0] = be32_to_cpup(p++);
if (bmlen > 1)
READ32(bitmap[1]);
bitmap[1] = be32_to_cpup(p++);
}
return 0;
}
@ -2541,7 +2540,7 @@ static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen,
__be32 *p;
READ_BUF(4);
READ32(*attrlen);
*attrlen = be32_to_cpup(p++);
*savep = xdr->p;
return 0;
}
@ -2567,7 +2566,7 @@ static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) {
READ_BUF(4);
READ32(*type);
*type = be32_to_cpup(p++);
if (*type < NF4REG || *type > NF4NAMEDATTR) {
dprintk("%s: bad type %d\n", __func__, *type);
return -EIO;
@ -2625,7 +2624,7 @@ static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, ui
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) {
READ_BUF(4);
READ32(*res);
*res = be32_to_cpup(p++);
bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT;
}
dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true");
@ -2641,7 +2640,7 @@ static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap,
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) {
READ_BUF(4);
READ32(*res);
*res = be32_to_cpup(p++);
bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT;
}
dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true");
@ -2679,7 +2678,7 @@ static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) {
READ_BUF(4);
READ32(*res);
*res = be32_to_cpup(p++);
bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME;
}
dprintk("%s: file size=%u\n", __func__, (unsigned int)*res);
@ -2695,7 +2694,7 @@ static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) {
READ_BUF(4);
READ32(*res);
*res = be32_to_cpup(p++);
bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT;
}
dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res);
@ -2796,7 +2795,7 @@ static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path)
int status = 0;
READ_BUF(4);
READ32(n);
n = be32_to_cpup(p++);
if (n == 0)
goto root_path;
dprintk("path ");
@ -2848,7 +2847,7 @@ static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, st
if (unlikely(status != 0))
goto out;
READ_BUF(4);
READ32(n);
n = be32_to_cpup(p++);
if (n <= 0)
goto out_eio;
res->nlocations = 0;
@ -2857,7 +2856,7 @@ static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, st
struct nfs4_fs_location *loc = &res->locations[res->nlocations];
READ_BUF(4);
READ32(m);
m = be32_to_cpup(p++);
loc->nservers = 0;
dprintk("%s: servers ", __func__);
@ -2928,7 +2927,7 @@ static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) {
READ_BUF(4);
READ32(*maxlink);
*maxlink = be32_to_cpup(p++);
bitmap[0] &= ~FATTR4_WORD0_MAXLINK;
}
dprintk("%s: maxlink=%u\n", __func__, *maxlink);
@ -2945,7 +2944,7 @@ static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_
return -EIO;
if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) {
READ_BUF(4);
READ32(*maxname);
*maxname = be32_to_cpup(p++);
bitmap[0] &= ~FATTR4_WORD0_MAXNAME;
}
dprintk("%s: maxname=%u\n", __func__, *maxname);
@ -3005,7 +3004,7 @@ static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *m
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_MODE)) {
READ_BUF(4);
READ32(tmp);
tmp = be32_to_cpup(p++);
*mode = tmp & ~S_IFMT;
bitmap[1] &= ~FATTR4_WORD1_MODE;
ret = NFS_ATTR_FATTR_MODE;
@ -3024,7 +3023,7 @@ static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) {
READ_BUF(4);
READ32(*nlink);
*nlink = be32_to_cpup(p++);
bitmap[1] &= ~FATTR4_WORD1_NUMLINKS;
ret = NFS_ATTR_FATTR_NLINK;
}
@ -3043,7 +3042,7 @@ static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nf
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) {
READ_BUF(4);
READ32(len);
len = be32_to_cpup(p++);
READ_BUF(len);
if (len < XDR_MAX_NETOBJ) {
if (nfs_map_name_to_uid(clp, (char *)p, len, uid) == 0)
@ -3071,7 +3070,7 @@ static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nf
return -EIO;
if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) {
READ_BUF(4);
READ32(len);
len = be32_to_cpup(p++);
READ_BUF(len);
if (len < XDR_MAX_NETOBJ) {
if (nfs_map_group_to_gid(clp, (char *)p, len, gid) == 0)
@ -3101,8 +3100,8 @@ static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rde
dev_t tmp;
READ_BUF(8);
READ32(major);
READ32(minor);
major = be32_to_cpup(p++);
minor = be32_to_cpup(p++);
tmp = MKDEV(major, minor);
if (MAJOR(tmp) == major && MINOR(tmp) == minor)
*rdev = tmp;
@ -3191,7 +3190,7 @@ static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time)
READ_BUF(12);
READ64(sec);
READ32(nsec);
nsec = be32_to_cpup(p++);
time->tv_sec = (time_t)sec;
time->tv_nsec = (long)nsec;
return 0;
@ -3273,7 +3272,7 @@ static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *c
__be32 *p;
READ_BUF(20);
READ32(cinfo->atomic);
cinfo->atomic = be32_to_cpup(p++);
READ64(cinfo->before);
READ64(cinfo->after);
return 0;
@ -3289,8 +3288,8 @@ static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access)
if (status)
return status;
READ_BUF(8);
READ32(supp);
READ32(acc);
supp = be32_to_cpup(p++);
acc = be32_to_cpup(p++);
access->supported = supp;
access->access = acc;
return 0;
@ -3336,7 +3335,7 @@ static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
if ((status = decode_change_info(xdr, cinfo)))
return status;
READ_BUF(4);
READ32(bmlen);
bmlen = be32_to_cpup(p++);
READ_BUF(bmlen << 2);
return 0;
}
@ -3591,7 +3590,7 @@ static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh)
return status;
READ_BUF(4);
READ32(len);
len = be32_to_cpup(p++);
if (len > NFS4_FHSIZE)
return -EIO;
fh->size = len;
@ -3622,7 +3621,7 @@ static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl)
READ_BUF(32);
READ64(offset);
READ64(length);
READ32(type);
type = be32_to_cpup(p++);
if (fl != NULL) {
fl->fl_start = (loff_t)offset;
fl->fl_end = fl->fl_start + (loff_t)length - 1;
@ -3634,7 +3633,7 @@ static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl)
fl->fl_pid = 0;
}
READ64(clientid);
READ32(namelen);
namelen = be32_to_cpup(p++);
READ_BUF(namelen);
return -NFS4ERR_DENIED;
}
@ -3695,14 +3694,14 @@ static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize)
uint32_t limit_type, nblocks, blocksize;
READ_BUF(12);
READ32(limit_type);
limit_type = be32_to_cpup(p++);
switch (limit_type) {
case 1:
READ64(*maxsize);
break;
case 2:
READ32(nblocks);
READ32(blocksize);
nblocks = be32_to_cpup(p++);
blocksize = be32_to_cpup(p++);
*maxsize = (uint64_t)nblocks * (uint64_t)blocksize;
}
return 0;
@ -3714,14 +3713,14 @@ static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res)
uint32_t delegation_type;
READ_BUF(4);
READ32(delegation_type);
delegation_type = be32_to_cpup(p++);
if (delegation_type == NFS4_OPEN_DELEGATE_NONE) {
res->delegation_type = 0;
return 0;
}
READ_BUF(NFS4_STATEID_SIZE+4);
COPYMEM(res->delegation.data, NFS4_STATEID_SIZE);
READ32(res->do_recall);
res->do_recall = be32_to_cpup(p++);
switch (delegation_type) {
case NFS4_OPEN_DELEGATE_READ:
@ -3752,15 +3751,15 @@ static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res)
decode_change_info(xdr, &res->cinfo);
READ_BUF(8);
READ32(res->rflags);
READ32(bmlen);
res->rflags = be32_to_cpup(p++);
bmlen = be32_to_cpup(p++);
if (bmlen > 10)
goto xdr_error;
READ_BUF(bmlen << 2);
savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE);
for (i = 0; i < savewords; ++i)
READ32(res->attrset[i]);
res->attrset[i] = be32_to_cpup(p++);
for (; i < NFS4_BITMAP_SIZE; i++)
res->attrset[i] = 0;
@ -3821,8 +3820,8 @@ static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_
if (status)
return status;
READ_BUF(8);
READ32(eof);
READ32(count);
eof = be32_to_cpup(p++);
count = be32_to_cpup(p++);
hdrlen = (u8 *) p - (u8 *) iov->iov_base;
recvd = req->rq_rcv_buf.len - hdrlen;
if (count > recvd) {
@ -3948,7 +3947,7 @@ static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req)
/* Convert length of symlink */
READ_BUF(4);
READ32(len);
len = be32_to_cpup(p++);
if (len >= rcvbuf->page_len || len <= 0) {
dprintk("nfs: server returned giant symlink!\n");
return -ENAMETOOLONG;
@ -4070,7 +4069,7 @@ static int decode_setattr(struct xdr_stream *xdr)
if (status)
return status;
READ_BUF(4);
READ32(bmlen);
bmlen = be32_to_cpup(p++);
READ_BUF(bmlen << 2);
return 0;
}
@ -4082,13 +4081,13 @@ static int decode_setclientid(struct xdr_stream *xdr, struct nfs_client *clp)
int32_t nfserr;
READ_BUF(8);
READ32(opnum);
opnum = be32_to_cpup(p++);
if (opnum != OP_SETCLIENTID) {
dprintk("nfs: decode_setclientid: Server returned operation"
" %d\n", opnum);
return -EIO;
}
READ32(nfserr);
nfserr = be32_to_cpup(p++);
if (nfserr == NFS_OK) {
READ_BUF(8 + NFS4_VERIFIER_SIZE);
READ64(clp->cl_clientid);
@ -4098,12 +4097,12 @@ static int decode_setclientid(struct xdr_stream *xdr, struct nfs_client *clp)
/* skip netid string */
READ_BUF(4);
READ32(len);
len = be32_to_cpup(p++);
READ_BUF(len);
/* skip uaddr string */
READ_BUF(4);
READ32(len);
len = be32_to_cpup(p++);
READ_BUF(len);
return -NFSERR_CLID_INUSE;
} else
@ -4127,8 +4126,8 @@ static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res)
return status;
READ_BUF(16);
READ32(res->count);
READ32(res->verf->committed);
res->count = be32_to_cpup(p++);
res->verf->committed = be32_to_cpup(p++);
COPYMEM(res->verf->verifier, 8);
return 0;
}
@ -4154,11 +4153,11 @@ static int decode_exchange_id(struct xdr_stream *xdr,
READ_BUF(8);
READ64(clp->cl_ex_clid);
READ_BUF(12);
READ32(clp->cl_seqid);
READ32(clp->cl_exchange_flags);
clp->cl_seqid = be32_to_cpup(p++);
clp->cl_exchange_flags = be32_to_cpup(p++);
/* We ask for SP4_NONE */
READ32(dummy);
dummy = be32_to_cpup(p++);
if (dummy != SP4_NONE)
return -EIO;
@ -4167,17 +4166,17 @@ static int decode_exchange_id(struct xdr_stream *xdr,
/* Throw away Major id */
READ_BUF(4);
READ32(dummy);
dummy = be32_to_cpup(p++);
READ_BUF(dummy);
/* Throw away server_scope */
READ_BUF(4);
READ32(dummy);
dummy = be32_to_cpup(p++);
READ_BUF(dummy);
/* Throw away Implementation id array */
READ_BUF(4);
READ32(dummy);
dummy = be32_to_cpup(p++);
READ_BUF(dummy);
return 0;
@ -4190,13 +4189,13 @@ static int decode_chan_attrs(struct xdr_stream *xdr,
u32 nr_attrs;
READ_BUF(28);
READ32(attrs->headerpadsz);
READ32(attrs->max_rqst_sz);
READ32(attrs->max_resp_sz);
READ32(attrs->max_resp_sz_cached);
READ32(attrs->max_ops);
READ32(attrs->max_reqs);
READ32(nr_attrs);
attrs->headerpadsz = be32_to_cpup(p++);
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++);
attrs->max_ops = be32_to_cpup(p++);
attrs->max_reqs = be32_to_cpup(p++);
nr_attrs = be32_to_cpup(p++);
if (unlikely(nr_attrs > 1)) {
printk(KERN_WARNING "%s: Invalid rdma channel attrs count %u\n",
__func__, nr_attrs);
@ -4226,8 +4225,8 @@ static int decode_create_session(struct xdr_stream *xdr,
/* seqid, flags */
READ_BUF(8);
READ32(clp->cl_seqid);
READ32(session->flags);
clp->cl_seqid = be32_to_cpup(p++);
session->flags = be32_to_cpup(p++);
/* Channel attributes */
status = decode_chan_attrs(xdr, &session->fc_attrs);
@ -4275,23 +4274,23 @@ static int decode_sequence(struct xdr_stream *xdr,
goto out_err;
}
/* seqid */
READ32(dummy);
dummy = be32_to_cpup(p++);
if (dummy != slot->seq_nr) {
dprintk("%s Invalid sequence number\n", __func__);
goto out_err;
}
/* slot id */
READ32(dummy);
dummy = be32_to_cpup(p++);
if (dummy != res->sr_slotid) {
dprintk("%s Invalid slot id\n", __func__);
goto out_err;
}
/* highest slot id - currently not processed */
READ32(dummy);
dummy = be32_to_cpup(p++);
/* target highest slot id - currently not processed */
READ32(dummy);
dummy = be32_to_cpup(p++);
/* result flags - currently not processed */
READ32(dummy);
dummy = be32_to_cpup(p++);
status = 0;
out_err:
res->sr_status = status;