From: Miklos Szeredi <miklos@szeredi.hu>
To: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Raphael Hertzog <hertzog@debian.org>,
Miklos Szeredi <mszeredi@redhat.com>,
"linux-unionfs@vger.kernel.org" <linux-unionfs@vger.kernel.org>,
Guillem Jover <guillem@debian.org>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/3] ovl: redirect on rename-dir
Date: Mon, 7 Nov 2016 11:04:04 +0100 [thread overview]
Message-ID: <CAJfpeguB-RRFbuwy=csPxoByKC=FTxYyuvnm+rmfTUmkVX+K9w@mail.gmail.com> (raw)
In-Reply-To: <CALYGNiOfcuM55458mZoUd4r789z7nVs7Yj0vAA5Qo=BetTJA0Q@mail.gmail.com>
On Mon, Nov 7, 2016 at 10:58 AM, Konstantin Khlebnikov <koct9i@gmail.com> wrote:
> I've stumbled on somehow related problem - concurrent copy-ups are
> strictly serialized by rename locks.
> Obviously, file copying could be done in parallel: locks are required
> only for final rename.
> Because of that overlay slower that aufs for some workloads.
Easy to fix: for each copy up create a separate subdir of "work".
Then the contention is only for the time of creating the subdir, which
is very short.
Thanks,
Miklos
next prev parent reply other threads:[~2016-11-07 10:04 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-25 7:34 [PATCH 0/3] overlayfs: allow moving directory trees Miklos Szeredi
2016-10-25 7:34 ` [PATCH 1/3] ovl: check fs features Miklos Szeredi
2016-10-25 7:34 ` Miklos Szeredi
2016-10-25 11:24 ` Amir Goldstein
2016-11-05 20:40 ` Amir Goldstein
2016-10-25 7:34 ` [PATCH 2/3] vfs: export vfs_path_lookup() Miklos Szeredi
2016-10-25 7:34 ` [PATCH 3/3] ovl: redirect on rename-dir Miklos Szeredi
2016-10-25 11:57 ` Raphael Hertzog
2016-10-26 11:12 ` Miklos Szeredi
2016-10-28 12:56 ` Raphael Hertzog
2016-10-28 12:59 ` Miklos Szeredi
2016-11-06 19:14 ` Konstantin Khlebnikov
2016-11-07 8:07 ` Miklos Szeredi
2016-11-07 9:58 ` Konstantin Khlebnikov
2016-11-07 10:04 ` Miklos Szeredi [this message]
2016-11-07 10:08 ` Konstantin Khlebnikov
2016-11-07 13:38 ` Amir Goldstein
2016-11-10 22:56 ` Amir Goldstein
2016-11-11 9:46 ` Konstantin Khlebnikov
2016-11-11 10:06 ` Miklos Szeredi
2016-11-11 12:42 ` Amir Goldstein
2016-11-13 9:11 ` Amir Goldstein
2016-11-07 11:03 ` Raphael Hertzog
2016-11-07 11:31 ` Konstantin Khlebnikov
2016-11-07 13:42 ` Raphael Hertzog
2016-11-10 22:39 ` Miklos Szeredi
2016-11-11 9:41 ` Konstantin Khlebnikov
2016-11-13 10:00 ` Amir Goldstein
2016-11-14 16:25 ` Amir Goldstein
2016-11-16 22:00 ` Miklos Szeredi
2016-11-18 15:37 ` Amir Goldstein
2016-11-20 11:39 ` Amir Goldstein
2016-11-21 9:54 ` Miklos Szeredi
2016-11-21 10:13 ` Amir Goldstein
2016-11-21 10:16 ` Miklos Szeredi
2016-11-22 13:42 ` Amir Goldstein
2016-10-25 12:49 ` Amir Goldstein
2016-10-26 11:26 ` Miklos Szeredi
2016-10-26 12:11 ` Amir Goldstein
2016-10-26 12:51 ` Miklos Szeredi
2016-10-26 19:56 ` Amir Goldstein
2016-10-30 22:00 ` Amir Goldstein
2016-10-31 14:59 ` Miklos Szeredi
2016-10-31 15:02 ` Amir Goldstein
2016-10-28 16:15 ` Al Viro
2016-11-03 15:50 ` Miklos Szeredi
2016-11-04 9:29 ` Amir Goldstein
2016-11-04 13:48 ` Miklos Szeredi
2016-10-25 20:25 ` [PATCH 0/3] overlayfs: allow moving directory trees Amir Goldstein
2016-10-26 9:37 ` Amir Goldstein
2016-10-26 9:34 ` [PATCH] ovl: check for emptiness of redirect dir Amir Goldstein
2016-10-26 10:45 ` Miklos Szeredi
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