5 files changed, 27 insertions, 22 deletions

diff --git a/fs/nfsd/nfs3proc.c b/fs/nfsd/nfs3proc.c
index 0c4fab018791..a5ebc7dbb384 100644
--- a/fs/nfsd/nfs3proc.c
+++ b/fs/nfsd/nfs3proc.c
@@ -160,6 +160,7 @@ nfsd3_proc_read(struct svc_rqst *rqstp, struct nfsd3_readargs *argp,
                                         struct nfsd3_readres  *resp)
 {
         int     nfserr;
+        u32     max_blocksize = svc_max_payload(rqstp);
 
         dprintk("nfsd: READ(3) %s %lu bytes at %lu\n",
                                 SVCFH_fmt(&argp->fh),
@@ -172,8 +173,8 @@ nfsd3_proc_read(struct svc_rqst *rqstp, struct nfsd3_readargs *argp,
          */
 
         resp->count = argp->count;
-        if (NFSSVC_MAXBLKSIZE < resp->count)
-                resp->count = NFSSVC_MAXBLKSIZE;
+        if (max_blocksize < resp->count)
+                resp->count = max_blocksize;
 
         svc_reserve(rqstp, ((1 + NFS3_POST_OP_ATTR_WORDS + 3)<<2) + resp->count +4);
 
@@ -538,15 +539,16 @@ nfsd3_proc_fsinfo(struct svc_rqst * rqstp, struct nfsd_fhandle    *argp,
                                            struct nfsd3_fsinfores *resp)
 {
         int     nfserr;
+        u32     max_blocksize = svc_max_payload(rqstp);
 
         dprintk("nfsd: FSINFO(3)   %s\n",
                                 SVCFH_fmt(&argp->fh));
 
-        resp->f_rtmax  = NFSSVC_MAXBLKSIZE;
-        resp->f_rtpref = NFSSVC_MAXBLKSIZE;
+        resp->f_rtmax  = max_blocksize;
+        resp->f_rtpref = max_blocksize;
         resp->f_rtmult = PAGE_SIZE;
-        resp->f_wtmax  = NFSSVC_MAXBLKSIZE;
-        resp->f_wtpref = NFSSVC_MAXBLKSIZE;
+        resp->f_wtmax  = max_blocksize;
+        resp->f_wtpref = max_blocksize;
         resp->f_wtmult = PAGE_SIZE;
         resp->f_dtpref = PAGE_SIZE;
         resp->f_maxfilesize = ~(u32) 0;
diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index 4b9aefbcc93c..247d518248bf 100644
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -330,6 +330,7 @@ nfs3svc_decode_readargs(struct svc_rqst *rqstp, u32 *p,
 {
         unsigned int len;
         int v,pn;
+        u32 max_blocksize = svc_max_payload(rqstp);
 
         if (!(p = decode_fh(p, &args->fh))
          || !(p = xdr_decode_hyper(p, &args->offset)))
@@ -337,8 +338,8 @@ nfs3svc_decode_readargs(struct svc_rqst *rqstp, u32 *p,
 
         len = args->count = ntohl(*p++);
 
-        if (len > NFSSVC_MAXBLKSIZE)
-                len = NFSSVC_MAXBLKSIZE;
+        if (len > max_blocksize)
+                len = max_blocksize;
 
         /* set up the kvec */
         v=0;
@@ -358,6 +359,7 @@ nfs3svc_decode_writeargs(struct svc_rqst *rqstp, u32 *p,
                                         struct nfsd3_writeargs *args)
 {
         unsigned int len, v, hdr;
+        u32 max_blocksize = svc_max_payload(rqstp);
 
         if (!(p = decode_fh(p, &args->fh))
          || !(p = xdr_decode_hyper(p, &args->offset)))
@@ -375,8 +377,8 @@ nfs3svc_decode_writeargs(struct svc_rqst *rqstp, u32 *p,
         rqstp->rq_vec[0].iov_base = (void*)p;
         rqstp->rq_vec[0].iov_len = rqstp->rq_arg.head[0].iov_len - hdr;
 
-        if (len > NFSSVC_MAXBLKSIZE)
-                len = NFSSVC_MAXBLKSIZE;
+        if (len > max_blocksize)
+                len = max_blocksize;
         v=  0;
         while (len > rqstp->rq_vec[v].iov_len) {
                 len -= rqstp->rq_vec[v].iov_len;
@@ -564,6 +566,7 @@ nfs3svc_decode_readdirplusargs(struct svc_rqst *rqstp, u32 *p,
                                         struct nfsd3_readdirargs *args)
 {
         int len, pn;
+        u32 max_blocksize = svc_max_payload(rqstp);
 
         if (!(p = decode_fh(p, &args->fh)))
                 return 0;
@@ -572,7 +575,7 @@ nfs3svc_decode_readdirplusargs(struct svc_rqst *rqstp, u32 *p,
         args->dircount = ntohl(*p++);
         args->count    = ntohl(*p++);
 
-        len = (args->count > NFSSVC_MAXBLKSIZE) ? NFSSVC_MAXBLKSIZE :
+        len = (args->count > max_blocksize) ? max_blocksize :
                                                   args->count;
         args->count = len;
 
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index df341956254e..4cfacc557b40 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1536,12 +1536,12 @@ out_acl:
         if (bmval0 & FATTR4_WORD0_MAXREAD) {
                 if ((buflen -= 8) < 0)
                         goto out_resource;
-                WRITE64((u64) NFSSVC_MAXBLKSIZE);
+                WRITE64((u64) svc_max_payload(rqstp));
         }
         if (bmval0 & FATTR4_WORD0_MAXWRITE) {
                 if ((buflen -= 8) < 0)
                         goto out_resource;
-                WRITE64((u64) NFSSVC_MAXBLKSIZE);
+                WRITE64((u64) svc_max_payload(rqstp));
         }
         if (bmval1 & FATTR4_WORD1_MODE) {
                 if ((buflen -= 4) < 0)
@@ -2055,7 +2055,7 @@ nfsd4_encode_read(struct nfsd4_compoundres *resp, int nfserr,
 
         RESERVE_SPACE(8); /* eof flag and byte count */
 
-        maxcount = NFSSVC_MAXBLKSIZE;
+        maxcount = svc_max_payload(resp->rqstp);
         if (maxcount > read->rd_length)
                 maxcount = read->rd_length;
 
diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c
index ca4973150218..9ee1dab5d44a 100644
--- a/fs/nfsd/nfsproc.c
+++ b/fs/nfsd/nfsproc.c
@@ -146,13 +146,13 @@ nfsd_proc_read(struct svc_rqst *rqstp, struct nfsd_readargs *argp,
          * status, 17 words for fattr, and 1 word for the byte count.
          */
 
-        if (NFSSVC_MAXBLKSIZE < argp->count) {
+        if (NFSSVC_MAXBLKSIZE_V2 < argp->count) {
                 printk(KERN_NOTICE
                         "oversized read request from %u.%u.%u.%u:%d (%d bytes)\n",
                                 NIPQUAD(rqstp->rq_addr.sin_addr.s_addr),
                                 ntohs(rqstp->rq_addr.sin_port),
                                 argp->count);
-                argp->count = NFSSVC_MAXBLKSIZE;
+                argp->count = NFSSVC_MAXBLKSIZE_V2;
         }
         svc_reserve(rqstp, (19<<2) + argp->count + 4);
 
@@ -553,7 +553,7 @@ static struct svc_procedure		nfsd_procedures2[18] = {
   PROC(none,     void,          void,           none,           RC_NOCACHE, ST),
   PROC(lookup,   diropargs,     diropres,       fhandle,        RC_NOCACHE, ST+FH+AT),
   PROC(readlink, readlinkargs,  readlinkres,    none,           RC_NOCACHE, ST+1+NFS_MAXPATHLEN/4),
-  PROC(read,     readargs,      readres,        fhandle,        RC_NOCACHE, ST+AT+1+NFSSVC_MAXBLKSIZE/4),
+  PROC(read,     readargs,      readres,        fhandle,        RC_NOCACHE, ST+AT+1+NFSSVC_MAXBLKSIZE_V2/4),
   PROC(none,     void,          void,           none,           RC_NOCACHE, ST),
   PROC(write,    writeargs,     attrstat,       fhandle,        RC_REPLBUFF, ST+AT),
   PROC(create,   createargs,    diropres,       fhandle,        RC_REPLBUFF, ST+FH+AT),
diff --git a/fs/nfsd/nfsxdr.c b/fs/nfsd/nfsxdr.c
index ab6745e78d16..1135c0d14557 100644
--- a/fs/nfsd/nfsxdr.c
+++ b/fs/nfsd/nfsxdr.c
@@ -254,8 +254,8 @@ 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
@@ -288,8 +288,8 @@ nfssvc_decode_writeargs(struct svc_rqst *rqstp, u32 *p,
         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 > rqstp->rq_vec[v].iov_len) {
                 len -= rqstp->rq_vec[v].iov_len;
@@ -458,7 +458,7 @@ nfssvc_encode_statfsres(struct svc_rqst *rqstp, u32 *p,
 {
         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);