From: "Lukáš Czerner" <czerner.lukas@gmail.com>
To: Eric Sandeen <sandeen@redhat.com>
Cc: Andreas Dilger <aedilger@gmail.com>,
"Amir G." <amir73il@users.sourceforge.net>,
Lukas Czerner <lczerner@redhat.com>,
"linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org>,
"tytso@mit.edu" <tytso@mit.edu>
Subject: Re: [PATCH RFC 00/30] Ext4 snapshots - core patches
Date: Mon, 06 Jun 2011 21:58:45 +0200 [thread overview]
Message-ID: <4DED3175.70806@gmail.com> (raw)
In-Reply-To: <4DED035B.9090107@redhat.com>
Dne 6.6.2011 18:42, Eric Sandeen napsal(a):
>>> Take for example dioread_nolock caveats:
>>>
>>> "However this does not work with nobh
>>> option and the mount will fail.
>> Does anyone actually use nobh? I recall it was a performance tweak
>> fir ext3, but i think it was eclipsed by other improvements in ext4.
>> If nobody is using it anymore, we might consider removing it
>> entirely, since it was only a mount-time option and did not affect
>> the on-disk format.
> As Lukas said, removing old cruft would help a fair bit, and this would
> seem reasonable to remove.
Nobh has been nooped already quite a long time ago with
206f7ab4f49a2021fcb8687f25395be77711ddee so we should remove it from
documentation as well.
And what about other options ? Any idea what else we can remove ? Most
of the options does not get any testing at all!
Thanks!
-Lukas
next prev parent reply other threads:[~2011-06-06 19:58 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-09 16:41 [PATCH RFC 00/30] Ext4 snapshots - core patches amir73il
2011-05-09 16:41 ` [PATCH RFC 01/30] ext4: EXT4 snapshots (Experimental) amir73il
2011-06-06 14:50 ` Lukas Czerner
2011-06-07 9:28 ` Amir G.
2011-06-07 10:42 ` Lukas Czerner
2011-06-07 13:20 ` Amir G.
2011-05-09 16:41 ` [PATCH RFC 02/30] ext4: snapshot debugging support amir73il
2011-06-06 15:08 ` Lukas Czerner
2011-06-07 9:59 ` Amir G.
2011-06-07 10:49 ` Lukas Czerner
2011-05-09 16:41 ` [PATCH RFC 03/30] ext4: snapshot hooks - inside JBD hooks amir73il
2011-06-06 15:53 ` Lukas Czerner
2011-06-06 16:08 ` Amir G.
2011-06-06 19:01 ` Amir G.
2011-05-09 16:41 ` [PATCH RFC 04/30] ext4: snapshot hooks - block bitmap access amir73il
2011-05-09 16:41 ` [PATCH RFC 05/30] ext4: snapshot hooks - delete blocks amir73il
2011-06-07 11:24 ` Lukas Czerner
2011-06-07 13:24 ` Amir G.
2011-06-07 13:32 ` Lukas Czerner
2011-05-09 16:41 ` [PATCH RFC 06/30] ext4: snapshot hooks - move data blocks amir73il
2011-05-09 16:41 ` [PATCH RFC 07/30] ext4: snapshot hooks - direct I/O amir73il
2011-05-09 16:41 ` [PATCH RFC 08/30] ext4: snapshot hooks - move extent file data blocks amir73il
2011-05-09 16:41 ` [PATCH RFC 09/30] ext4: snapshot file amir73il
2011-06-02 11:52 ` Amir G.
2011-05-09 16:41 ` [PATCH RFC 10/30] ext4: snapshot file - read through to block device amir73il
2011-05-09 16:41 ` [PATCH RFC 11/30] ext4: snapshot file - permissions amir73il
2011-05-09 16:41 ` [PATCH RFC 12/30] ext4: snapshot file - store on disk amir73il
2011-05-09 16:41 ` [PATCH RFC 13/30] ext4: snapshot file - increase maximum file size limit to 16TB amir73il
2011-06-02 11:47 ` Amir G.
2011-06-03 0:48 ` Ted Ts'o
2011-06-03 4:45 ` Amir G.
2011-05-09 16:41 ` [PATCH RFC 14/30] ext4: snapshot block operations amir73il
2011-05-09 16:41 ` [PATCH RFC 15/30] ext4: snapshot block operation - copy blocks to snapshot amir73il
2011-05-09 16:41 ` [PATCH RFC 16/30] ext4: snapshot block operation - move " amir73il
2011-05-09 16:41 ` [PATCH RFC 17/30] ext4: snapshot control amir73il
2011-05-09 16:41 ` [PATCH RFC 18/30] ext4: snapshot control - fix new snapshot amir73il
2011-05-09 16:41 ` [PATCH RFC 19/30] ext4: snapshot control - reserve disk space for snapshot amir73il
2011-05-09 16:41 ` [PATCH RFC 20/30] ext4: snapshot journaled - increase transaction credits amir73il
2011-05-09 16:41 ` [PATCH RFC 21/30] ext4: snapshot journaled - implement journal_release_buffer() amir73il
2011-05-09 16:41 ` [PATCH RFC 22/30] ext4: snapshot journaled - bypass to save credits amir73il
2011-05-09 16:41 ` [PATCH RFC 23/30] ext4: snapshot journaled - trace COW/buffer credits amir73il
2011-05-09 16:41 ` [PATCH RFC 24/30] ext4: snapshot list support amir73il
2011-05-09 16:41 ` [PATCH RFC 25/30] ext4: snapshot race conditions - concurrent COW operations amir73il
2011-05-09 16:41 ` [PATCH RFC 26/30] ext4: snapshot race conditions - tracked reads amir73il
2011-05-09 16:41 ` [PATCH RFC 27/30] ext4: snapshot exclude - the exclude bitmap amir73il
2011-05-09 16:41 ` [PATCH RFC 28/30] ext4: snapshot cleanup amir73il
2011-05-09 16:41 ` [PATCH RFC 29/30] ext4: snapshot cleanup - shrink deleted snapshots amir73il
2011-05-09 16:41 ` [PATCH RFC 30/30] ext4: snapshot rocompat - enable rw mount amir73il
2011-06-06 13:08 ` [PATCH RFC 00/30] Ext4 snapshots - core patches Lukas Czerner
2011-06-06 14:32 ` Amir G.
2011-06-06 15:31 ` Eric Sandeen
2011-06-06 16:05 ` Lukas Czerner
2011-06-06 20:40 ` Ted Ts'o
2011-06-07 13:59 ` Ric Wheeler
2011-06-07 15:37 ` Ted Ts'o
2011-06-06 16:33 ` Andreas Dilger
2011-06-06 16:42 ` Eric Sandeen
2011-06-06 19:58 ` Lukáš Czerner [this message]
2011-06-06 18:25 ` Amir G.
2011-06-06 20:55 ` Ted Ts'o
2011-06-07 5:17 ` Andreas Dilger
2011-06-07 5:58 ` Amir G.
2011-06-07 10:09 ` Lukas Czerner
2011-06-07 13:01 ` Amir G.
2011-06-07 13:50 ` Ric Wheeler
2011-06-07 14:39 ` Amir G.
2011-06-07 6:40 ` Amir G.
2011-06-07 15:26 ` Josef Bacik
2011-06-07 16:46 ` Amir G.
2011-06-07 16:54 ` Josef Bacik
2011-06-07 18:22 ` Amir G.
2011-06-07 17:14 ` Sunil Mushran
2011-06-07 17:30 ` Ted Ts'o
2011-06-07 17:54 ` Amir G.
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