NFS: Use cached page as buffer for NFS symlink requests
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>
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index d85ac42..f8688ea 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -544,8 +544,8 @@
}
static int
-nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct qstr *path,
- struct iattr *sattr)
+nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page,
+ unsigned int len, struct iattr *sattr)
{
struct nfs_fh fhandle;
struct nfs_fattr fattr, dir_attr;
@@ -553,8 +553,8 @@
.fromfh = NFS_FH(dir),
.fromname = dentry->d_name.name,
.fromlen = dentry->d_name.len,
- .topath = path->name,
- .tolen = path->len,
+ .pages = &page,
+ .pathlen = len,
.sattr = sattr
};
struct nfs3_diropres res = {
@@ -569,11 +569,11 @@
};
int status;
- if (path->len > NFS3_MAXPATHLEN)
+ if (len > NFS3_MAXPATHLEN)
return -ENAMETOOLONG;
- dprintk("NFS call symlink %s -> %s\n", dentry->d_name.name,
- path->name);
+ dprintk("NFS call symlink %s\n", dentry->d_name.name);
+
nfs_fattr_init(&dir_attr);
nfs_fattr_init(&fattr);
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);