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NFS: Use cached page as buffer for NFS symlink requests

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Now that we have a copy of the symlink path in the page cache, we can pass
a struct page down to the XDR routines instead of a string buffer.

Test plan:
Connectathon, all NFS versions.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever
2006-08-22 20:06:23 -04:00
committed by Trond Myklebust
parent 873101b337
commit 94a6d75320
8 changed files with 59 additions and 42 deletions
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7
fs/nfs/nfs3xdr.c
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@@ -56,7 +56,7 @@
#define NFS3_writeargs_sz (NFS3_fh_sz+5)
#define NFS3_createargs_sz (NFS3_diropargs_sz+NFS3_sattr_sz)
#define NFS3_mkdirargs_sz (NFS3_diropargs_sz+NFS3_sattr_sz)
#define NFS3_symlinkargs_sz (NFS3_diropargs_sz+NFS3_path_sz+NFS3_sattr_sz)
#define NFS3_symlinkargs_sz (NFS3_diropargs_sz+1+NFS3_sattr_sz)
#define NFS3_mknodargs_sz (NFS3_diropargs_sz+2+NFS3_sattr_sz)
#define NFS3_renameargs_sz (NFS3_diropargs_sz+NFS3_diropargs_sz)
#define NFS3_linkargs_sz (NFS3_fh_sz+NFS3_diropargs_sz)
@@ -398,8 +398,11 @@ nfs3_xdr_symlinkargs(struct rpc_rqst *req, u32 *p, struct nfs3_symlinkargs *args
p = xdr_encode_fhandle(p, args->fromfh);
p = xdr_encode_array(p, args->fromname, args->fromlen);
p = xdr_encode_sattr(p, args->sattr);
p = xdr_encode_array(p, args->topath, args->tolen);
*p++ = htonl(args->pathlen);
req->rq_slen = xdr_adjust_iovec(req->rq_svec, p);
/* Copy the page */
xdr_encode_pages(&req->rq_snd_buf, args->pages, 0, args->pathlen);
return 0;
}