Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1428969

Re: [PATCH 6/8] nfs: don't use ->d_time

Path csiph.com!news.freedyn.net!aioe.org!bofh.it!news.nic.it!robomod
From Al Viro <viro@ZenIV.linux.org.uk>
Newsgroups linux.kernel
Subject Re: [PATCH 6/8] nfs: don't use ->d_time
Date Wed, 22 Jun 2016 18:50:01 +0200
Message-ID <rMTvH-5UI-9@gated-at.bofh.it> (permalink)
References <rMRtT-4E1-3@gated-at.bofh.it> <rMRtT-4E1-15@gated-at.bofh.it>
X-Original-To Miklos Szeredi <mszeredi@redhat.com>
MIME-Version 1.0
Content-Type text/plain; charset=us-ascii
Content-Disposition inline
User-Agent Mutt/1.6.0 (2016-04-01)
Sender robomod@news.nic.it
List-ID <linux-kernel.vger.kernel.org>
X-Mailing-List linux-kernel@vger.kernel.org
Approved robomod@news.nic.it
Lines 15
Organization linux.* mail to news gateway
X-Original-Cc linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Trond Myklebust <trond.myklebust@primarydata.com>
X-Original-Date Wed, 22 Jun 2016 17:48:06 +0100
X-Original-Message-ID <20160622164806.GQ14480@ZenIV.linux.org.uk>
X-Original-References <1466606110-24297-1-git-send-email-mszeredi@redhat.com> <1466606110-24297-7-git-send-email-mszeredi@redhat.com>
X-Original-Sender linux-kernel-owner@vger.kernel.org
Xref csiph.com linux.kernel:1428969

Show key headers only | View raw


On Wed, Jun 22, 2016 at 04:35:08PM +0200, Miklos Szeredi wrote:
>  static void nfs_d_release(struct dentry *dentry)
>  {
>  	/* free cached devname value, if it survived that far */
> -	if (unlikely(dentry->d_fsdata)) {
> +	if (unlikely(NFS_D(dentry)->devname)) {
>  		if (dentry->d_flags & DCACHE_NFSFS_RENAMED)
>  			WARN_ON(1);
>  		else
> -			kfree(dentry->d_fsdata);
> +			kfree(NFS_D(dentry)->devname);
>  	}
> +	kfree(dentry->d_fsdata);

Again, is that safe wrt RCU delays?

Back to linux.kernel | Previous | NextPrevious in thread | Find similar | Unroll thread


Thread

[PATCH 6/8] nfs: don't use ->d_time Miklos Szeredi <mszeredi@redhat.com> - 2016-06-22 16:40 +0200
  Re: [PATCH 6/8] nfs: don't use ->d_time Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-22 18:50 +0200

csiph-web