From mboxrd@z Thu Jan 1 00:00:00 1970 From: Trond Myklebust Subject: [PATCH 15/24] NFS: Reduce stack footprint of nfs3_proc_readlink() Date: Fri, 16 Apr 2010 16:31:13 -0400 Message-ID: <1271449882-8580-16-git-send-email-Trond.Myklebust@netapp.com> References: <1271449882-8580-1-git-send-email-Trond.Myklebust@netapp.com> <1271449882-8580-2-git-send-email-Trond.Myklebust@netapp.com> <1271449882-8580-3-git-send-email-Trond.Myklebust@netapp.com> <1271449882-8580-4-git-send-email-Trond.Myklebust@netapp.com> <1271449882-8580-5-git-send-email-Trond.Myklebust@netapp.com> <1271449882-8580-6-git-send-email-Trond.Myklebust@netapp.com> <1271449882-8580-7-git-send-email-Trond.Myklebust@netapp.com> <1271449882-8580-8-git-send-email-Trond.Myklebust@netapp.com> <1271449882-8580-9-git-send-email-Trond.Myklebust@netapp.com> <1271449882-8580-10-git-send-email-Trond.Myklebust@netapp.com> <1271449882-8580-11-git-send-email-Trond.Myklebust@netapp.com> <1271449882-8580-12-git-send-email-Trond.Myklebust@netapp.com> <1271449882-8580-13-git-send-email-Trond.Myklebust@netapp.com> <1271449882-8580-14-git-send-email-Trond.Myklebust@netapp.com> <1271449882-8580-15-git-send-email-Trond.Myklebust@netapp.com> To: linux-nfs@vger.kernel.org Return-path: Received: from mx2.netapp.com ([216.240.18.37]:3308 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932475Ab0DPUbc (ORCPT ); Fri, 16 Apr 2010 16:31:32 -0400 Received: from localhost.localdomain (marilynd-lxp.hq.netapp.com [10.58.50.136] (may be forged)) by smtp1.corp.netapp.com (8.13.1/8.13.1/NTAP-1.6) with ESMTP id o3GKVMlA026251 for ; Fri, 16 Apr 2010 13:31:31 -0700 (PDT) In-Reply-To: <1271449882-8580-15-git-send-email-Trond.Myklebust@netapp.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: Signed-off-by: Trond Myklebust --- fs/nfs/nfs3proc.c | 15 ++++++++++----- 1 files changed, 10 insertions(+), 5 deletions(-) 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 @@ out: 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; } -- 1.6.6.1