From: Theodore Ts'o <tytso@mit.edu>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Dave Jones <davej@redhat.com>,
Markus Trippelsdorf <markus@trippelsdorf.de>,
"gnehzuil.liu" <gnehzuil.liu@gmail.com>,
Zheng Liu <wenqing.lz@taobao.com>, Borislav Petkov <bp@alien8.de>,
"linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [GIT PULL URGENT] ext4 regression fix for 3.9
Date: Sat, 2 Mar 2013 18:15:06 -0500 [thread overview]
Message-ID: <20130302231506.GH22941@thunk.org> (raw)
In-Reply-To: <CA+55aFxEfKTeGmX57R0s+2MaQwfgqvVnf+M3zkwNk0rN0j7Ksg@mail.gmail.com>
On Sat, Mar 02, 2013 at 11:54:37AM -0800, Linus Torvalds wrote:
>
> This needs to be fixed or reverted. I traced back some user
> interaction problems to this same issue. It literally gets so bad that
> the whole system is choppy, and a profile shows that a lot of time is
> being spent in the spin-lock protecting these data structures. Called
> from ext4_es_reclaim_extents_count, ext4_es_lru_add and
> ext4_es_shrink.
I'm doing final testing on a pull request that will fix these
problems. I'll send it to you later this evening.
- Ted
next prev parent reply other threads:[~2013-03-02 23:15 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-26 20:39 [GIT PULL] ext4 updates for 3.9 Theodore Ts'o
2013-02-27 12:47 ` Markus Trippelsdorf
2013-02-27 15:34 ` Theodore Ts'o
2013-02-27 15:44 ` Markus Trippelsdorf
2013-02-27 17:01 ` Markus Trippelsdorf
2013-02-27 17:10 ` gnehzuil.liu
2013-02-27 17:10 ` gnehzuil.liu
2013-02-27 17:22 ` Markus Trippelsdorf
2013-02-27 17:38 ` gnehzuil.liu
2013-02-27 17:38 ` gnehzuil.liu
2013-02-27 17:45 ` Markus Trippelsdorf
2013-02-27 17:52 ` Linus Torvalds
2013-02-27 18:49 ` Theodore Ts'o
2013-02-27 18:56 ` Markus Trippelsdorf
2013-02-27 19:19 ` Dave Jones
2013-02-27 19:27 ` Zheng Liu
2013-02-27 19:29 ` Theodore Ts'o
2013-02-27 20:12 ` [GIT PULL URGENT] ext4 regression fix " Linus Torvalds
2013-02-27 20:15 ` Theodore Ts'o
2013-02-27 20:23 ` Linus Torvalds
2013-02-27 20:41 ` Borislav Petkov
2013-03-01 3:30 ` Dave Jones
2013-03-01 4:00 ` Theodore Ts'o
2013-03-01 5:00 ` [PATCH] ext4: optimize ext4_es_shrink() Theodore Ts'o
2013-03-01 16:11 ` Dave Jones
2013-03-01 16:26 ` Theodore Ts'o
2013-03-01 16:40 ` Dave Jones
2013-03-01 16:40 ` Eric Sandeen
2013-03-01 16:42 ` [PATCH] ext4: use percpu counter for extent cache count Eric Sandeen
2013-03-01 18:00 ` Theodore Ts'o
2013-03-01 18:02 ` Eric Sandeen
2013-03-02 15:26 ` Theodore Ts'o
2013-03-03 16:39 ` Zheng Liu
2013-03-04 16:11 ` Eric Sandeen
2013-03-02 19:54 ` [GIT PULL URGENT] ext4 regression fix for 3.9 Linus Torvalds
2013-03-02 23:15 ` Theodore Ts'o [this message]
2013-02-27 20:14 ` Theodore Ts'o
2013-02-27 20:58 ` [GIT PULL] ext4 updates " Dmitry Monakhov
2013-02-27 21:30 ` Theodore Ts'o
2013-03-01 15:41 ` Eric Sandeen
2013-02-28 13:18 ` Dave Chinner
2013-02-27 18:57 ` Dave Jones
2013-02-27 19:04 ` Theodore Ts'o
2013-02-27 19:11 ` Dave Jones
2013-02-27 19:19 ` Theodore Ts'o
2013-02-27 18:59 ` Zheng Liu
2013-02-27 19:06 ` Borislav Petkov
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