NFS: Reduce stack footprint of nfs3_proc_readlink()
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index 982a81b..088dceb 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -234,7 +234,7 @@
static int nfs3_proc_readlink(struct inode *inode, struct page *page,
unsigned int pgbase, unsigned int pglen)
{
- struct nfs_fattr fattr;
+ struct nfs_fattr *fattr;
struct nfs3_readlinkargs args = {
.fh = NFS_FH(inode),
.pgbase = pgbase,
@@ -244,14 +244,19 @@
struct rpc_message msg = {
.rpc_proc = &nfs3_procedures[NFS3PROC_READLINK],
.rpc_argp = &args,
- .rpc_resp = &fattr,
};
- int status;
+ int status = -ENOMEM;
dprintk("NFS call readlink\n");
- nfs_fattr_init(&fattr);
+ fattr = nfs_alloc_fattr();
+ if (fattr == NULL)
+ goto out;
+ msg.rpc_resp = fattr;
+
status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
- nfs_refresh_inode(inode, &fattr);
+ nfs_refresh_inode(inode, fattr);
+ nfs_free_fattr(fattr);
+out:
dprintk("NFS reply readlink: %d\n", status);
return status;
}