X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=fs%2Fnfs%2Fproc.c;h=ae9500199b2d098114a1260454e49a50e8d007c2;hb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;hp=8dc6a981c586292d2dd326d8e4bb9c155909752c;hpb=a2c21200f1c81b08cb55e417b68150bba439b646;p=linux-2.6.git

diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index 8dc6a981c..ae9500199 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -49,18 +49,6 @@
 
 extern struct rpc_procinfo nfs_procedures[];
 
-static struct rpc_cred *
-nfs_cred(struct inode *inode, struct file *filp)
-{
-	struct rpc_cred *cred = NULL;
-
-	if (filp)
-		cred = (struct rpc_cred *)filp->private_data;
-	if (!cred)
-		cred = NFS_I(inode)->mm_cred;
-	return cred;
-}
-
 /*
  * Bare-bones access to getattr: this is for nfs_read_super.
  */
@@ -99,14 +87,15 @@ nfs_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
  * One function for each procedure in the NFS protocol.
  */
 static int
-nfs_proc_getattr(struct inode *inode, struct nfs_fattr *fattr)
+nfs_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
+		struct nfs_fattr *fattr)
 {
 	int	status;
 
 	dprintk("NFS call  getattr\n");
 	fattr->valid = 0;
-	status = rpc_call(NFS_CLIENT(inode), NFSPROC_GETATTR,
-				NFS_FH(inode), fattr, 0);
+	status = rpc_call(server->client, NFSPROC_GETATTR,
+				fhandle, fattr, 0);
 	dprintk("NFS reply getattr\n");
 	return status;
 }
@@ -151,12 +140,13 @@ nfs_proc_lookup(struct inode *dir, struct qstr *name,
 	return status;
 }
 
-static int
-nfs_proc_readlink(struct inode *inode, struct page *page)
+static int nfs_proc_readlink(struct inode *inode, struct page *page,
+		unsigned int pgbase, unsigned int pglen)
 {
 	struct nfs_readlinkargs	args = {
 		.fh		= NFS_FH(inode),
-		.count		= PAGE_CACHE_SIZE,
+		.pgbase		= pgbase,
+		.pglen		= pglen,
 		.pages		= &page
 	};
 	int			status;
@@ -167,8 +157,7 @@ nfs_proc_readlink(struct inode *inode, struct page *page)
 	return status;
 }
 
-static int
-nfs_proc_read(struct nfs_read_data *rdata, struct file *filp)
+static int nfs_proc_read(struct nfs_read_data *rdata)
 {
 	int			flags = rdata->flags;
 	struct inode *		inode = rdata->inode;
@@ -177,15 +166,14 @@ nfs_proc_read(struct nfs_read_data *rdata, struct file *filp)
 		.rpc_proc	= &nfs_procedures[NFSPROC_READ],
 		.rpc_argp	= &rdata->args,
 		.rpc_resp	= &rdata->res,
+		.rpc_cred	= rdata->cred,
 	};
 	int			status;
 
 	dprintk("NFS call  read %d @ %Ld\n", rdata->args.count,
 			(long long) rdata->args.offset);
 	fattr->valid = 0;
-	msg.rpc_cred = nfs_cred(inode, filp);
 	status = rpc_call_sync(NFS_CLIENT(inode), &msg, flags);
-
 	if (status >= 0) {
 		nfs_refresh_inode(inode, fattr);
 		/* Emulate the eof flag, which isn't normally needed in NFSv2
@@ -198,8 +186,7 @@ nfs_proc_read(struct nfs_read_data *rdata, struct file *filp)
 	return status;
 }
 
-static int
-nfs_proc_write(struct nfs_write_data *wdata, struct file *filp)
+static int nfs_proc_write(struct nfs_write_data *wdata)
 {
 	int			flags = wdata->flags;
 	struct inode *		inode = wdata->inode;
@@ -208,13 +195,13 @@ nfs_proc_write(struct nfs_write_data *wdata, struct file *filp)
 		.rpc_proc	= &nfs_procedures[NFSPROC_WRITE],
 		.rpc_argp	= &wdata->args,
 		.rpc_resp	= &wdata->res,
+		.rpc_cred	= wdata->cred,
 	};
 	int			status;
 
 	dprintk("NFS call  write %d @ %Ld\n", wdata->args.count,
 			(long long) wdata->args.offset);
 	fattr->valid = 0;
-	msg.rpc_cred = nfs_cred(inode, filp);
 	status = rpc_call_sync(NFS_CLIENT(inode), &msg, flags);
 	if (status >= 0) {
 		nfs_refresh_inode(inode, fattr);
@@ -400,8 +387,11 @@ nfs_proc_symlink(struct inode *dir, struct qstr *name, struct qstr *path,
 	};
 	int			status;
 
+	if (path->len > NFS2_MAXPATHLEN)
+		return -ENAMETOOLONG;
 	dprintk("NFS call  symlink %s -> %s\n", name->name, path->name);
 	fattr->valid = 0;
+	fhandle->size = 0;
 	status = rpc_call(NFS_CLIENT(dir), NFSPROC_SYMLINK, &arg, NULL, 0);
 	dprintk("NFS reply symlink: %d\n", status);
 	return status;
@@ -619,27 +609,6 @@ nfs_proc_commit_setup(struct nfs_write_data *data, int how)
 	BUG();
 }
 
-/*
- * Set up the nfspage struct with the right credentials
- */
-static void
-nfs_request_init(struct nfs_page *req, struct file *filp)
-{
-	req->wb_cred = get_rpccred(nfs_cred(req->wb_inode, filp));
-}
-
-static int
-nfs_request_compatible(struct nfs_page *req, struct file *filp, struct page *page)
-{
-	if (req->wb_file != filp)
-		return 0;
-	if (req->wb_page != page)
-		return 0;
-	if (req->wb_cred != nfs_file_cred(filp))
-		return 0;
-	return 1;
-}
-
 static int
 nfs_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
 {
@@ -680,7 +649,5 @@ struct nfs_rpc_ops	nfs_v2_clientops = {
 	.commit_setup	= nfs_proc_commit_setup,
 	.file_open	= nfs_open,
 	.file_release	= nfs_release,
-	.request_init	= nfs_request_init,
-	.request_compatible = nfs_request_compatible,
 	.lock		= nfs_proc_lock,
 };