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Commit 3b14d654 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

NFS: Reduce stack footprint of nfs3_proc_readlink() 



Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 136f2627

fs/nfs/nfs3proc.c

+10 −5
Original line number Diff line number Diff line
@@ -234,7 +234,7 @@ static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry) 
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 @@ static int nfs3_proc_readlink(struct inode *inode, struct page *page, 
	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;

}