Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[linux-2.6-omap-h63xx.git] / fs / nfsd / nfsxdr.c

diff --git a/fs/nfsd/nfsxdr.c b/fs/nfsd/nfsxdr.c
index e3a0797dd56ba16ef65fb2df1c348f4ae7e806e2..6555c50d9006966f37f659f39e837c30a53c7c03 100644 (file)
--- a/fs/nfsd/nfsxdr.c
+++ b/fs/nfsd/nfsxdr.c
@@ -1,5 +1,5 @@
 /*
- * linux/fs/nfsd/xdr.c
+ * linux/fs/nfsd/nfsxdr.c
  *
  * XDR support for nfsd
  *
@@ -18,11 +18,6 @@
 
 #define NFSDDBG_FACILITY               NFSDDBG_XDR
 
-
-#ifdef NFSD_OPTIMIZE_SPACE
-# define inline
-#endif
-
 /*
  * Mapping of S_IF* types to NFS file types
  */
@@ -37,8 +32,8 @@ static u32    nfs_ftypes[] = {
 /*
  * XDR functions for basic NFS types
  */
-static 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);
@@ -50,13 +45,13 @@ decode_fh(u32 *p, struct svc_fh *fhp)
 }
 
 /* Helper function for NFSv2 ACL code */
-u32 *nfs2svc_decode_fh(u32 *p, struct svc_fh *fhp)
+__be32 *nfs2svc_decode_fh(__be32 *p, struct svc_fh *fhp)
 {
        return decode_fh(p, fhp);
 }
 
-static inline u32 *
-encode_fh(u32 *p, struct svc_fh *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);
@@ -66,8 +61,8 @@ encode_fh(u32 *p, struct svc_fh *fhp)
  * 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;
@@ -82,8 +77,8 @@ decode_filename(u32 *p, char **namp, int *lenp)
        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;
@@ -98,8 +93,8 @@ decode_pathname(u32 *p, char **namp, int *lenp)
        return p;
 }
 
-static inline u32 *
-decode_sattr(u32 *p, struct iattr *iap)
+static __be32 *
+decode_sattr(__be32 *p, struct iattr *iap)
 {
        u32     tmp, tmp1;
 
@@ -151,8 +146,8 @@ decode_sattr(u32 *p, struct iattr *iap)
        return p;
 }
 
-static 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 dentry   *dentry = fhp->fh_dentry;
@@ -195,7 +190,7 @@ encode_fattr(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp,
 }
 
 /* Helper function for NFSv2 ACL code */
-u32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp)
+__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);
@@ -206,13 +201,13 @@ u32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, u32 *p, struct svc_fh *fhp)
  * 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;
@@ -220,7 +215,7 @@ nfssvc_decode_fhandle(struct svc_rqst *rqstp, u32 *p, struct nfsd_fhandle *args)
 }
 
 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))
@@ -231,7 +226,7 @@ nfssvc_decode_sattrargs(struct svc_rqst *rqstp, u32 *p,
 }
 
 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))
@@ -242,7 +237,7 @@ nfssvc_decode_diropargs(struct svc_rqst *rqstp, u32 *p,
 }
 
 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;
@@ -254,19 +249,18 @@ nfssvc_decode_readargs(struct svc_rqst *rqstp, u32 *p,
        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;
@@ -274,7 +268,7 @@ nfssvc_decode_readargs(struct svc_rqst *rqstp, u32 *p,
 }
 
 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;
@@ -286,25 +280,25 @@ nfssvc_decode_writeargs(struct svc_rqst *rqstp, u32 *p,
        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))
@@ -316,7 +310,7 @@ nfssvc_decode_createargs(struct svc_rqst *rqstp, u32 *p,
 }
 
 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))
@@ -329,18 +323,17 @@ nfssvc_decode_renameargs(struct svc_rqst *rqstp, u32 *p,
 }
 
 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))
@@ -352,7 +345,7 @@ nfssvc_decode_linkargs(struct svc_rqst *rqstp, u32 *p,
 }
 
 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))
@@ -365,7 +358,7 @@ nfssvc_decode_symlinkargs(struct svc_rqst *rqstp, u32 *p,
 }
 
 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)))
@@ -375,8 +368,7 @@ nfssvc_decode_readdirargs(struct svc_rqst *rqstp, u32 *p,
        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);
 }
@@ -385,13 +377,13 @@ nfssvc_decode_readdirargs(struct svc_rqst *rqstp, u32 *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, &resp->stat);
@@ -399,7 +391,7 @@ nfssvc_encode_attrstat(struct svc_rqst *rqstp, u32 *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);
@@ -408,7 +400,7 @@ nfssvc_encode_diropres(struct svc_rqst *rqstp, u32 *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);
@@ -416,7 +408,6 @@ nfssvc_encode_readlinkres(struct svc_rqst *rqstp, u32 *p,
        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);
@@ -425,7 +416,7 @@ nfssvc_encode_readlinkres(struct svc_rqst *rqstp, u32 *p,
 }
 
 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, &resp->stat);
@@ -436,7 +427,6 @@ nfssvc_encode_readres(struct svc_rqst *rqstp, u32 *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);
@@ -445,7 +435,7 @@ nfssvc_encode_readres(struct svc_rqst *rqstp, u32 *p,
 }
 
 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);
@@ -458,12 +448,12 @@ nfssvc_encode_readdirres(struct svc_rqst *rqstp, u32 *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);
@@ -472,11 +462,12 @@ nfssvc_encode_statfsres(struct svc_rqst *rqstp, u32 *p,
 }
 
 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;
 
        /*
@@ -502,7 +493,7 @@ nfssvc_encode_entry(struct readdir_cd *ccd, const char *name,
        *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;
@@ -514,7 +505,7 @@ nfssvc_encode_entry(struct readdir_cd *ccd, const char *name,
  * 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);