From: Jared Hulbert <jaredeh@gmail.com>
To: "Artem B. Bityuckiy" <dedekind@infradead.org>
Cc: MTD List <linux-mtd@lists.infradead.org>
Subject: Re: JFFS3 & performance
Date: Fri, 21 Jan 2005 14:46:32 -0800 [thread overview]
Message-ID: <6934efce050121144619d2899d@mail.gmail.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0501191957090.8174@phoenix.infradead.org>
New idea.
Why should we waste time compressing the uncompressable? JFFS2
actually spent alot of time compressing.
I can think of a few possible mechanisms:
a) extension based
-Don't compress files with .mpg, .jpg, .avi, .gz, etc. User
defined list?
b) test first data
Compress the first X sized chunk of data to determine if the
file is compressable. Make determination and write data.
c) test node by node
If the last node didn't compress, stop compressing file.
next prev parent reply other threads:[~2005-01-21 22:46 UTC|newest]
Thread overview: 196+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-11 12:29 JFFS3 & performance Artem B. Bityuckiy
2005-01-11 14:37 ` Josh Boyer
2005-01-11 21:51 ` Jörn Engel
2005-01-12 0:06 ` Thomas Gleixner
2005-01-12 16:59 ` Jörn Engel
2005-01-12 17:37 ` Thomas Gleixner
2005-01-12 18:17 ` Jörn Engel
2005-01-12 9:15 ` Artem B. Bityuckiy
2005-01-12 16:41 ` Jared Hulbert
2005-01-12 17:02 ` Jörn Engel
2005-01-12 17:06 ` David Woodhouse
2005-01-12 17:11 ` Jörn Engel
2005-01-12 17:22 ` Jared Hulbert
2005-01-12 17:28 ` Artem B. Bityuckiy
2005-01-12 17:34 ` David Woodhouse
2005-01-12 17:45 ` Dan Post
2005-01-12 17:52 ` David Woodhouse
2005-01-12 17:14 ` Artem B. Bityuckiy
2005-01-12 22:30 ` Jared Hulbert
2005-01-12 22:43 ` Josh Boyer
2005-01-12 22:55 ` Jared Hulbert
2005-01-13 15:50 ` Josh Boyer
2005-01-13 18:30 ` Jared Hulbert
2005-01-13 18:36 ` David Woodhouse
2005-01-13 19:06 ` Jörn Engel
2005-01-13 19:22 ` Josh Boyer
2005-01-13 18:55 ` Artem B. Bityuckiy
2005-01-13 19:10 ` Brian Fox
2005-01-13 19:23 ` Artem B. Bityuckiy
2005-01-28 6:08 ` Eric W. Biederman
2005-01-13 7:54 ` David Woodhouse
2005-01-13 8:25 ` Artem B. Bityuckiy
2005-01-13 15:09 ` Jörn Engel
2005-01-12 18:10 ` Jörn Engel
2005-01-12 18:27 ` Thomas Gleixner
2005-01-12 18:40 ` Jörn Engel
2005-01-12 18:42 ` David Woodhouse
2005-01-12 18:43 ` Artem B. Bityuckiy
2005-01-12 19:16 ` Thomas Gleixner
2005-01-12 19:44 ` Jörn Engel
2005-01-12 19:53 ` Thomas Gleixner
2005-01-12 20:06 ` Jörn Engel
2005-01-12 18:33 ` Artem B. Bityuckiy
2005-01-12 18:43 ` Jörn Engel
2005-01-12 18:45 ` Artem B. Bityuckiy
2005-01-12 18:58 ` Artem B. Bityuckiy
2005-01-12 19:50 ` Jörn Engel
2005-01-13 14:49 ` Artem B. Bityuckiy
2005-01-13 15:05 ` Artem B. Bityuckiy
2005-01-13 15:17 ` Jörn Engel
2005-01-13 15:22 ` Artem B. Bityuckiy
2005-01-13 15:40 ` Jörn Engel
2005-01-13 15:49 ` David Woodhouse
2005-01-13 15:53 ` Artem B. Bityuckiy
2005-01-13 16:13 ` Jörn Engel
2005-01-13 16:16 ` Artem B. Bityuckiy
2005-01-13 16:21 ` Jörn Engel
2005-01-13 16:22 ` Artem B. Bityuckiy
2005-01-13 16:21 ` Artem B. Bityuckiy
2005-01-14 13:46 ` Jamey Hicks
2005-01-14 14:16 ` Artem B. Bityuckiy
2005-01-18 15:50 ` Joakim Tjernlund
2005-01-19 13:07 ` Artem B. Bityuckiy
2005-01-19 15:24 ` Jörn Engel
2005-01-19 15:27 ` Artem B. Bityuckiy
2005-01-19 15:32 ` Jörn Engel
2005-01-19 15:51 ` Artem B. Bityuckiy
2005-01-19 16:31 ` Jörn Engel
2005-01-19 19:58 ` Artem B. Bityuckiy
2005-01-20 14:35 ` Jörn Engel
2005-01-20 14:37 ` David Woodhouse
2005-01-20 14:40 ` Jörn Engel
2005-01-20 15:05 ` Artem B. Bityuckiy
2005-01-20 15:27 ` Jörn Engel
2005-01-20 15:37 ` Artem B. Bityuckiy
2005-01-20 16:13 ` Jörn Engel
2005-01-20 16:31 ` Artem B. Bityuckiy
2005-01-20 16:41 ` Jörn Engel
2005-01-20 17:08 ` Artem B. Bityuckiy
2005-01-20 17:33 ` Jörn Engel
2005-01-20 17:57 ` Artem B. Bityuckiy
2005-01-21 12:44 ` Jörn Engel
2005-01-21 13:13 ` Artem B. Bityuckiy
2005-01-21 13:42 ` Jörn Engel
2005-01-21 13:52 ` Artem B. Bityuckiy
2005-01-21 14:00 ` Jörn Engel
2005-01-21 14:04 ` Artem B. Bityuckiy
2005-01-25 10:51 ` Jörn Engel
2005-01-25 10:56 ` David Woodhouse
2005-01-25 11:13 ` Jörn Engel
2005-01-21 14:30 ` Josh Boyer
2005-01-21 22:33 ` Jared Hulbert
2005-01-21 22:46 ` Jared Hulbert [this message]
2005-01-21 23:54 ` Josh Boyer
2005-01-22 13:03 ` Artem B. Bityuckiy
2005-01-22 22:04 ` David Woodhouse
2005-01-23 10:03 ` Artem B. Bityuckiy
2005-01-23 10:08 ` Artem B. Bityuckiy
2005-01-23 11:04 ` David Woodhouse
2005-01-23 11:55 ` Artem B. Bityuckiy
-- strict thread matches above, loose matches on Subject: below --
2004-12-16 13:20 Joakim Tjernlund
2004-12-16 14:27 ` Artem B. Bityuckiy
2004-12-16 14:45 ` Joakim Tjernlund
2004-12-16 14:50 ` Artem B. Bityuckiy
2004-12-16 15:00 ` Joakim Tjernlund
2004-12-16 17:53 ` Jörn Engel
2004-12-16 18:42 ` Artem B. Bityuckiy
2004-12-16 19:15 ` Jörn Engel
2004-12-16 19:49 ` Jörn Engel
2004-12-16 19:58 ` Joakim Tjernlund
2004-12-16 20:46 ` Jörn Engel
2004-12-16 20:02 ` Joakim Tjernlund
2004-12-16 20:37 ` Thomas Gleixner
2004-12-16 20:51 ` Jörn Engel
2004-12-16 21:02 ` Thomas Gleixner
2004-12-16 21:06 ` Joakim Tjernlund
2004-12-16 21:22 ` Jörn Engel
2004-12-16 22:06 ` Joakim Tjernlund
2004-12-17 10:25 ` Jörn Engel
2004-12-17 10:44 ` Joakim Tjernlund
2004-12-17 10:56 ` Artem B. Bityuckiy
2004-12-17 10:46 ` jasmine
2004-12-17 11:01 ` Artem B. Bityuckiy
2004-12-17 11:19 ` Joakim Tjernlund
2004-12-18 16:09 ` Jörn Engel
2004-12-18 16:26 ` Joakim Tjernlund
2004-12-18 16:52 ` Jörn Engel
2004-12-17 11:10 ` Joakim Tjernlund
2004-12-17 11:20 ` Artem B. Bityuckiy
2004-12-22 13:36 ` Artem B. Bityuckiy
2004-12-22 14:03 ` Jörn Engel
2004-12-22 14:44 ` Artem B. Bityuckiy
2004-12-22 15:14 ` Jörn Engel
2004-12-22 15:25 ` Artem B. Bityuckiy
2004-12-22 16:08 ` Jörn Engel
2004-12-22 20:22 ` xemc
2004-12-22 20:43 ` xemc
2004-12-22 20:49 ` Jasmine Strong
2004-12-22 15:30 ` Joakim Tjernlund
2004-12-22 15:37 ` Artem B. Bityuckiy
2004-12-22 15:47 ` Joakim Tjernlund
2004-12-22 15:56 ` Artem B. Bityuckiy
2004-12-22 16:09 ` Jörn Engel
2004-12-22 16:17 ` Artem B. Bityuckiy
2004-12-22 16:43 ` Joakim Tjernlund
2004-12-22 16:46 ` Artem B. Bityuckiy
2004-12-22 17:26 ` Jörn Engel
2004-12-22 18:14 ` xemc
2004-12-22 18:20 ` Artem B. Bityuckiy
2004-12-23 13:52 ` Jörn Engel
2004-12-23 17:02 ` Artem B. Bityuckiy
2005-01-07 11:10 ` Artem B. Bityuckiy
2005-01-07 11:09 ` David Woodhouse
2005-01-07 11:27 ` jasmine
2005-01-07 11:43 ` Artem B. Bityuckiy
2005-01-07 14:23 ` Artem B. Bityuckiy
2005-01-07 14:27 ` jasmine
2005-01-07 14:33 ` Artem B. Bityuckiy
2005-01-07 14:37 ` jasmine
2005-01-07 14:43 ` Artem B. Bityuckiy
2005-01-07 14:55 ` jasmine
2005-01-07 15:20 ` Artem B. Bityuckiy
2005-01-07 15:24 ` jasmine
2005-01-07 15:28 ` Artem B. Bityuckiy
2005-01-07 15:31 ` jasmine
2005-01-07 15:32 ` Artem B. Bityuckiy
2005-01-07 17:57 ` Artem B. Bityuckiy
2005-01-07 14:50 ` Artem B. Bityuckiy
2005-01-07 14:31 ` Artem B. Bityuckiy
2005-01-06 10:08 ` Artem B. Bityuckiy
2005-01-08 20:14 ` Jörn Engel
2005-01-09 11:39 ` Artem B. Bityuckiy
2005-01-10 14:24 ` Jörn Engel
2004-12-22 15:59 ` jasmine
2004-12-22 16:19 ` Jörn Engel
2004-12-22 16:21 ` Artem B. Bityuckiy
2004-12-22 15:56 ` Jörn Engel
2004-12-22 16:39 ` Joakim Tjernlund
2004-12-22 17:33 ` Jörn Engel
2004-12-17 11:20 ` Jörn Engel
2004-12-18 12:23 ` Artem B. Bityuckiy
2004-12-21 14:45 ` Artem B. Bityuckiy
2004-12-21 16:03 ` Jörn Engel
2004-12-17 11:33 ` David Vrabel
2004-12-17 15:34 ` Joakim Tjernlund
2004-12-18 16:14 ` Jörn Engel
2004-12-18 16:25 ` Joakim Tjernlund
2004-12-18 16:39 ` Jörn Engel
2004-12-18 17:10 ` Joakim Tjernlund
2004-12-18 17:19 ` Jörn Engel
2004-12-18 17:51 ` Joakim Tjernlund
2004-12-18 17:59 ` Jörn Engel
2004-12-18 18:13 ` Joakim Tjernlund
2004-12-19 3:05 ` Jörn Engel
2004-12-18 18:09 ` Joakim Tjernlund
2004-12-21 14:38 ` Jörn Engel
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