From: Andi Kleen <andi@firstfloor.org>
To: linux-kernel@vger.kernel.org, sqlite-users@sqlite.org,
linux-fsdevel@vger.kernel.org, drh@hwaci.com
Subject: light weight write barriers
Date: Wed, 10 Oct 2012 10:17:23 -0700 [thread overview]
Message-ID: <m2fw5mtffg.fsf_-_@firstfloor.org> (raw)
In-Reply-To: <CALwJ=MzHjAOs4J4kGH6HLdwP8E88StDWyAPVumNg9zCWpS9Tdg@mail.gmail.com> (Richard Hipp's message of "Wed, 10 Oct 2012 08:47:02 -0400")
Richard Hipp writes:
>
> We would really, really love to have some kind of write-barrier that is
> lighter than fsync(). If there is some method other than fsync() for
> forcing a write-barrier on Linux that we don't know about, please enlighten
> us.
Could you list the requirements of such a light weight barrier?
i.e. what would it need to do minimally, what's different from
fsync/fdatasync ?
-Andi
--
ak@linux.intel.com -- Speaking for myself only
next parent reply other threads:[~2012-10-10 17:17 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CALwJ=MzHjAOs4J4kGH6HLdwP8E88StDWyAPVumNg9zCWpS9Tdg@mail.gmail.com>
2012-10-10 17:17 ` Andi Kleen [this message]
2012-10-11 16:32 ` [sqlite] light weight write barriers 杨苏立 Yang Su Li
2012-10-11 17:41 ` Christoph Hellwig
2012-10-23 19:53 ` Vladislav Bolkhovitin
2012-10-24 21:17 ` Nico Williams
2012-10-24 22:03 ` david
2012-10-25 0:20 ` Nico Williams
2012-10-25 1:04 ` david
2012-10-25 5:18 ` Nico Williams
2012-10-25 6:02 ` Theodore Ts'o
2012-10-25 6:58 ` david
2012-10-25 14:03 ` Theodore Ts'o
2012-10-25 18:03 ` david
2012-10-25 18:29 ` Theodore Ts'o
2012-11-05 20:03 ` Pavel Machek
2012-11-05 22:04 ` Theodore Ts'o
[not found] ` <CALwJ=Mx-uEFLXK2wywekk=0dwrwVFb68wocnH9bjXJmHRsJx3w@mail.gmail.com>
2012-11-05 23:00 ` Theodore Ts'o
2012-10-30 23:49 ` Nico Williams
2012-10-25 5:42 ` Theodore Ts'o
2012-10-25 7:11 ` david
2012-10-27 1:52 ` Vladislav Bolkhovitin
2012-10-25 5:14 ` Theodore Ts'o
2012-10-25 13:03 ` Alan Cox
2012-10-25 13:50 ` Theodore Ts'o
2012-10-27 1:55 ` Vladislav Bolkhovitin
2012-10-27 1:54 ` Vladislav Bolkhovitin
2012-10-27 4:44 ` Theodore Ts'o
2012-10-30 22:22 ` Vladislav Bolkhovitin
2012-10-31 9:54 ` Alan Cox
2012-11-01 20:18 ` Vladislav Bolkhovitin
2012-11-01 21:24 ` Alan Cox
2012-11-02 0:15 ` Vladislav Bolkhovitin
2012-11-02 0:38 ` Howard Chu
2012-11-02 12:33 ` Alan Cox
2012-11-13 3:41 ` Vladislav Bolkhovitin
2012-11-13 17:40 ` Alan Cox
2012-11-13 19:13 ` Nico Williams
2012-11-15 1:17 ` Vladislav Bolkhovitin
2012-11-15 12:07 ` David Lang
2012-11-16 15:06 ` Howard Chu
2012-11-16 15:31 ` Ric Wheeler
2012-11-16 15:54 ` Howard Chu
2012-11-16 18:03 ` Ric Wheeler
2012-11-16 19:14 ` David Lang
2012-11-17 5:02 ` Vladislav Bolkhovitin
[not found] ` <CABK4GYNGrbes2Yhig4ioh-37OXg6iy6gqb3u8A2P2_dqNpMqoQ@mail.gmail.com>
2012-11-17 5:02 ` Vladislav Bolkhovitin
2012-11-15 17:06 ` Ryan Johnson
2012-11-15 22:35 ` Chris Friesen
2012-11-17 5:02 ` Vladislav Bolkhovitin
2012-11-20 1:23 ` Vladislav Bolkhovitin
2012-11-26 20:05 ` Nico Williams
2012-11-29 2:15 ` Vladislav Bolkhovitin
2012-11-15 1:16 ` Vladislav Bolkhovitin
2012-11-13 3:37 ` Vladislav Bolkhovitin
[not found] ` <CALwJ=MwtFAz7uby+YzPPp2eBG-y+TUTOu9E9tEJbygDQW+s_tg@mail.gmail.com>
2012-11-13 3:41 ` Vladislav Bolkhovitin
[not found] ` <CABK4GYMmigmi7YM9A5Aga21ZWoMKgUe3eX-AhPzLw9CnYhpcGA@mail.gmail.com>
2012-11-13 3:42 ` Vladislav Bolkhovitin
[not found] ` <CALwJ=MyR+nU3zqi3V3JMuEGNwd8FUsw9xLACJvd0HoBv3kRi0w@mail.gmail.com>
2012-10-11 16:38 ` Nico Williams
2012-10-11 16:48 ` Nico Williams
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