/*
- * linux/fs/nfsd/xdr.c
+ * linux/fs/nfsd/nfsxdr.c
*
* XDR support for nfsd
*
#include <linux/nfsd/nfsd.h>
#include <linux/nfsd/xdr.h>
#include <linux/mm.h>
-#include <linux/vserver/xid.h>
+#include <linux/vs_tag.h>
#define NFSDDBG_FACILITY NFSDDBG_XDR
-
-#ifdef NFSD_OPTIMIZE_SPACE
-# define inline
-#endif
-
/*
* Mapping of S_IF* types to NFS file types
*/
/*
* XDR functions for basic NFS types
*/
-static inline u32 *
-decode_fh(u32 *p, struct svc_fh *fhp)
+static __be32 *
+decode_fh(__be32 *p, struct svc_fh *fhp)
{
fh_init(fhp, NFS_FHSIZE);
memcpy(&fhp->fh_handle.fh_base, p, NFS_FHSIZE);
return p + (NFS_FHSIZE >> 2);
}
-static inline u32 *
-encode_fh(u32 *p, struct svc_fh *fhp)
+/* Helper function for NFSv2 ACL code */
+__be32 *nfs2svc_decode_fh(__be32 *p, struct svc_fh *fhp)
+{
+ return decode_fh(p, fhp);
+}
+
+static __be32 *
+encode_fh(__be32 *p, struct svc_fh *fhp)
{
memcpy(p, &fhp->fh_handle.fh_base, NFS_FHSIZE);
return p + (NFS_FHSIZE>> 2);
* Decode a file name and make sure that the path contains
* no slashes or null bytes.
*/
-static inline u32 *
-decode_filename(u32 *p, char **namp, int *lenp)
+static __be32 *
+decode_filename(__be32 *p, char **namp, int *lenp)
{
char *name;
int i;
return p;
}
-static inline u32 *
-decode_pathname(u32 *p, char **namp, int *lenp)
+static __be32 *
+decode_pathname(__be32 *p, char **namp, int *lenp)
{
char *name;
int i;
return p;
}
-static inline u32 *
-decode_sattr(u32 *p, struct iattr *iap)
+static __be32 *
+decode_sattr(__be32 *p, struct iattr *iap)
{
u32 tmp, tmp1;
uid_t uid = 0;
iap->ia_valid |= ATTR_GID;
gid = tmp;
}
- iap->ia_uid = INOXID_UID(1, uid, gid);
- iap->ia_gid = INOXID_GID(1, uid, gid);
- iap->ia_xid = INOXID_XID(1, uid, gid, 0);
+ iap->ia_uid = INOTAG_UID(DX_TAG_NFSD, uid, gid);
+ iap->ia_gid = INOTAG_GID(DX_TAG_NFSD, uid, gid);
+ iap->ia_tag = INOTAG_TAG(DX_TAG_NFSD, uid, gid, 0);
if ((tmp = ntohl(*p++)) != (u32)-1) {
iap->ia_valid |= ATTR_SIZE;
iap->ia_size = tmp;
return p;
}
-static inline u32 *
-encode_fattr(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp)
+static __be32 *
+encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp,
+ struct kstat *stat)
{
- struct vfsmount *mnt = fhp->fh_export->ex_mnt;
struct dentry *dentry = fhp->fh_dentry;
- struct kstat stat;
int type;
struct timespec time;
- vfs_getattr(mnt, dentry, &stat);
- type = (stat.mode & S_IFMT);
+ type = (stat->mode & S_IFMT);
*p++ = htonl(nfs_ftypes[type >> 12]);
- *p++ = htonl((u32) stat.mode);
- *p++ = htonl((u32) stat.nlink);
+ *p++ = htonl((u32) stat->mode);
+ *p++ = htonl((u32) stat->nlink);
*p++ = htonl((u32) nfsd_ruid(rqstp,
- XIDINO_UID(XID_TAG(dentry->d_inode), stat.uid, stat.xid)));
+ TAGINO_UID(DX_TAG(dentry->d_inode), stat->uid, stat->tag)));
*p++ = htonl((u32) nfsd_rgid(rqstp,
- XIDINO_GID(XID_TAG(dentry->d_inode), stat.gid, stat.xid)));
+ TAGINO_GID(DX_TAG(dentry->d_inode), stat->gid, stat->tag)));
- if (S_ISLNK(type) && stat.size > NFS_MAXPATHLEN) {
+ if (S_ISLNK(type) && stat->size > NFS_MAXPATHLEN) {
*p++ = htonl(NFS_MAXPATHLEN);
} else {
- *p++ = htonl((u32) stat.size);
+ *p++ = htonl((u32) stat->size);
}
- *p++ = htonl((u32) stat.blksize);
+ *p++ = htonl((u32) stat->blksize);
if (S_ISCHR(type) || S_ISBLK(type))
- *p++ = htonl(new_encode_dev(stat.rdev));
+ *p++ = htonl(new_encode_dev(stat->rdev));
else
*p++ = htonl(0xffffffff);
- *p++ = htonl((u32) stat.blocks);
+ *p++ = htonl((u32) stat->blocks);
if (is_fsid(fhp, rqstp->rq_reffh))
*p++ = htonl((u32) fhp->fh_export->ex_fsid);
else
- *p++ = htonl(new_encode_dev(stat.dev));
- *p++ = htonl((u32) stat.ino);
- *p++ = htonl((u32) stat.atime.tv_sec);
- *p++ = htonl(stat.atime.tv_nsec ? stat.atime.tv_nsec / 1000 : 0);
+ *p++ = htonl(new_encode_dev(stat->dev));
+ *p++ = htonl((u32) stat->ino);
+ *p++ = htonl((u32) stat->atime.tv_sec);
+ *p++ = htonl(stat->atime.tv_nsec ? stat->atime.tv_nsec / 1000 : 0);
lease_get_mtime(dentry->d_inode, &time);
*p++ = htonl((u32) time.tv_sec);
*p++ = htonl(time.tv_nsec ? time.tv_nsec / 1000 : 0);
- *p++ = htonl((u32) stat.ctime.tv_sec);
- *p++ = htonl(stat.ctime.tv_nsec ? stat.ctime.tv_nsec / 1000 : 0);
+ *p++ = htonl((u32) stat->ctime.tv_sec);
+ *p++ = htonl(stat->ctime.tv_nsec ? stat->ctime.tv_nsec / 1000 : 0);
return p;
}
+/* Helper function for NFSv2 ACL code */
+__be32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp)
+{
+ struct kstat stat;
+ vfs_getattr(fhp->fh_export->ex_mnt, fhp->fh_dentry, &stat);
+ return encode_fattr(rqstp, p, fhp, &stat);
+}
/*
* XDR decode functions
*/
int
-nfssvc_decode_void(struct svc_rqst *rqstp, u32 *p, void *dummy)
+nfssvc_decode_void(struct svc_rqst *rqstp, __be32 *p, void *dummy)
{
return xdr_argsize_check(rqstp, p);
}
int
-nfssvc_decode_fhandle(struct svc_rqst *rqstp, u32 *p, struct nfsd_fhandle *args)
+nfssvc_decode_fhandle(struct svc_rqst *rqstp, __be32 *p, struct nfsd_fhandle *args)
{
if (!(p = decode_fh(p, &args->fh)))
return 0;
}
int
-nfssvc_decode_sattrargs(struct svc_rqst *rqstp, u32 *p,
+nfssvc_decode_sattrargs(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_sattrargs *args)
{
if (!(p = decode_fh(p, &args->fh))
}
int
-nfssvc_decode_diropargs(struct svc_rqst *rqstp, u32 *p,
+nfssvc_decode_diropargs(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_diropargs *args)
{
if (!(p = decode_fh(p, &args->fh))
}
int
-nfssvc_decode_readargs(struct svc_rqst *rqstp, u32 *p,
+nfssvc_decode_readargs(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_readargs *args)
{
unsigned int len;
len = args->count = ntohl(*p++);
p++; /* totalcount - unused */
- if (len > NFSSVC_MAXBLKSIZE)
- len = NFSSVC_MAXBLKSIZE;
+ if (len > NFSSVC_MAXBLKSIZE_V2)
+ len = NFSSVC_MAXBLKSIZE_V2;
/* set up somewhere to store response.
* We take pages, put them on reslist and include in iovec
*/
v=0;
while (len > 0) {
- pn=rqstp->rq_resused;
- svc_take_page(rqstp);
- args->vec[v].iov_base = page_address(rqstp->rq_respages[pn]);
- args->vec[v].iov_len = len < PAGE_SIZE?len:PAGE_SIZE;
- len -= args->vec[v].iov_len;
+ pn = rqstp->rq_resused++;
+ rqstp->rq_vec[v].iov_base = page_address(rqstp->rq_respages[pn]);
+ rqstp->rq_vec[v].iov_len = len < PAGE_SIZE?len:PAGE_SIZE;
+ len -= rqstp->rq_vec[v].iov_len;
v++;
}
args->vlen = v;
}
int
-nfssvc_decode_writeargs(struct svc_rqst *rqstp, u32 *p,
+nfssvc_decode_writeargs(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_writeargs *args)
{
unsigned int len;
args->offset = ntohl(*p++); /* offset */
p++; /* totalcount */
len = args->len = ntohl(*p++);
- args->vec[0].iov_base = (void*)p;
- args->vec[0].iov_len = rqstp->rq_arg.head[0].iov_len -
+ rqstp->rq_vec[0].iov_base = (void*)p;
+ rqstp->rq_vec[0].iov_len = rqstp->rq_arg.head[0].iov_len -
(((void*)p) - rqstp->rq_arg.head[0].iov_base);
- if (len > NFSSVC_MAXBLKSIZE)
- len = NFSSVC_MAXBLKSIZE;
+ if (len > NFSSVC_MAXBLKSIZE_V2)
+ len = NFSSVC_MAXBLKSIZE_V2;
v = 0;
- while (len > args->vec[v].iov_len) {
- len -= args->vec[v].iov_len;
+ while (len > rqstp->rq_vec[v].iov_len) {
+ len -= rqstp->rq_vec[v].iov_len;
v++;
- args->vec[v].iov_base = page_address(rqstp->rq_argpages[v]);
- args->vec[v].iov_len = PAGE_SIZE;
+ rqstp->rq_vec[v].iov_base = page_address(rqstp->rq_pages[v]);
+ rqstp->rq_vec[v].iov_len = PAGE_SIZE;
}
- args->vec[v].iov_len = len;
+ rqstp->rq_vec[v].iov_len = len;
args->vlen = v+1;
- return args->vec[0].iov_len > 0;
+ return rqstp->rq_vec[0].iov_len > 0;
}
int
-nfssvc_decode_createargs(struct svc_rqst *rqstp, u32 *p,
+nfssvc_decode_createargs(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_createargs *args)
{
if (!(p = decode_fh(p, &args->fh))
}
int
-nfssvc_decode_renameargs(struct svc_rqst *rqstp, u32 *p,
+nfssvc_decode_renameargs(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_renameargs *args)
{
if (!(p = decode_fh(p, &args->ffh))
}
int
-nfssvc_decode_readlinkargs(struct svc_rqst *rqstp, u32 *p, struct nfsd_readlinkargs *args)
+nfssvc_decode_readlinkargs(struct svc_rqst *rqstp, __be32 *p, struct nfsd_readlinkargs *args)
{
if (!(p = decode_fh(p, &args->fh)))
return 0;
- svc_take_page(rqstp);
- args->buffer = page_address(rqstp->rq_respages[rqstp->rq_resused-1]);
+ args->buffer = page_address(rqstp->rq_respages[rqstp->rq_resused++]);
return xdr_argsize_check(rqstp, p);
}
int
-nfssvc_decode_linkargs(struct svc_rqst *rqstp, u32 *p,
+nfssvc_decode_linkargs(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_linkargs *args)
{
if (!(p = decode_fh(p, &args->ffh))
}
int
-nfssvc_decode_symlinkargs(struct svc_rqst *rqstp, u32 *p,
+nfssvc_decode_symlinkargs(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_symlinkargs *args)
{
if (!(p = decode_fh(p, &args->ffh))
}
int
-nfssvc_decode_readdirargs(struct svc_rqst *rqstp, u32 *p,
+nfssvc_decode_readdirargs(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_readdirargs *args)
{
if (!(p = decode_fh(p, &args->fh)))
if (args->count > PAGE_SIZE)
args->count = PAGE_SIZE;
- svc_take_page(rqstp);
- args->buffer = page_address(rqstp->rq_respages[rqstp->rq_resused-1]);
+ args->buffer = page_address(rqstp->rq_respages[rqstp->rq_resused++]);
return xdr_argsize_check(rqstp, p);
}
* XDR encode functions
*/
int
-nfssvc_encode_void(struct svc_rqst *rqstp, u32 *p, void *dummy)
+nfssvc_encode_void(struct svc_rqst *rqstp, __be32 *p, void *dummy)
{
return xdr_ressize_check(rqstp, p);
}
int
-nfssvc_encode_attrstat(struct svc_rqst *rqstp, u32 *p,
+nfssvc_encode_attrstat(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_attrstat *resp)
{
- p = encode_fattr(rqstp, p, &resp->fh);
+ p = encode_fattr(rqstp, p, &resp->fh, &resp->stat);
return xdr_ressize_check(rqstp, p);
}
int
-nfssvc_encode_diropres(struct svc_rqst *rqstp, u32 *p,
+nfssvc_encode_diropres(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_diropres *resp)
{
p = encode_fh(p, &resp->fh);
- p = encode_fattr(rqstp, p, &resp->fh);
+ p = encode_fattr(rqstp, p, &resp->fh, &resp->stat);
return xdr_ressize_check(rqstp, p);
}
int
-nfssvc_encode_readlinkres(struct svc_rqst *rqstp, u32 *p,
+nfssvc_encode_readlinkres(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_readlinkres *resp)
{
*p++ = htonl(resp->len);
rqstp->rq_res.page_len = resp->len;
if (resp->len & 3) {
/* need to pad the tail */
- rqstp->rq_restailpage = 0;
rqstp->rq_res.tail[0].iov_base = p;
*p = 0;
rqstp->rq_res.tail[0].iov_len = 4 - (resp->len&3);
}
int
-nfssvc_encode_readres(struct svc_rqst *rqstp, u32 *p,
+nfssvc_encode_readres(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_readres *resp)
{
- p = encode_fattr(rqstp, p, &resp->fh);
+ p = encode_fattr(rqstp, p, &resp->fh, &resp->stat);
*p++ = htonl(resp->count);
xdr_ressize_check(rqstp, p);
rqstp->rq_res.page_len = resp->count;
if (resp->count & 3) {
/* need to pad the tail */
- rqstp->rq_restailpage = 0;
rqstp->rq_res.tail[0].iov_base = p;
*p = 0;
rqstp->rq_res.tail[0].iov_len = 4 - (resp->count&3);
}
int
-nfssvc_encode_readdirres(struct svc_rqst *rqstp, u32 *p,
+nfssvc_encode_readdirres(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_readdirres *resp)
{
xdr_ressize_check(rqstp, p);
}
int
-nfssvc_encode_statfsres(struct svc_rqst *rqstp, u32 *p,
+nfssvc_encode_statfsres(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_statfsres *resp)
{
struct kstatfs *stat = &resp->stats;
- *p++ = htonl(NFSSVC_MAXBLKSIZE); /* max transfer size */
+ *p++ = htonl(NFSSVC_MAXBLKSIZE_V2); /* max transfer size */
*p++ = htonl(stat->f_bsize);
*p++ = htonl(stat->f_blocks);
*p++ = htonl(stat->f_bfree);
}
int
-nfssvc_encode_entry(struct readdir_cd *ccd, const char *name,
- int namlen, loff_t offset, ino_t ino, unsigned int d_type)
+nfssvc_encode_entry(void *ccdv, const char *name,
+ int namlen, loff_t offset, u64 ino, unsigned int d_type)
{
+ struct readdir_cd *ccd = ccdv;
struct nfsd_readdirres *cd = container_of(ccd, struct nfsd_readdirres, common);
- u32 *p = cd->buffer;
+ __be32 *p = cd->buffer;
int buflen, slen;
/*
*p++ = htonl((u32) ino); /* file id */
p = xdr_encode_array(p, name, namlen);/* name length & name */
cd->offset = p; /* remember pointer */
- *p++ = ~(u32) 0; /* offset of next entry */
+ *p++ = htonl(~0U); /* offset of next entry */
cd->buflen = buflen;
cd->buffer = p;
* XDR release functions
*/
int
-nfssvc_release_fhandle(struct svc_rqst *rqstp, u32 *p,
+nfssvc_release_fhandle(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_fhandle *resp)
{
fh_put(&resp->fh);
git://git.onelab.eu / linux-2.6.git / blobdiff