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From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Jan Engelhardt <jengelh@computergmbh.de>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Theodore Ts'o <tytso@mit.edu>
Subject: Re: [patch][rfc] rewrite ramdisk
Date: Tue, 16 Oct 2007 18:26:55 +1000	[thread overview]
Message-ID: <200710161826.55834.nickpiggin@yahoo.com.au> (raw)
In-Reply-To: <Pine.LNX.4.64.0710161015310.10197@fbirervta.pbzchgretzou.qr>

On Tuesday 16 October 2007 18:17, Jan Engelhardt wrote:
> On Oct 16 2007 18:07, Nick Piggin wrote:
> >Changed. But it will hopefully just completely replace rd.c,
> >so I will probably just rename it to rd.c at some point (and
> >change .config options to stay compatible). Unless someone
> >sees a problem with that?
>
> I do not see a problem with keeping brd either.

Just doesn't seem to be any point in making it a new and different
module, assuming it can support exactly the same semantics. I'm
only doing so in these first diffs so that they are easier to read
and also easier to do a side by side comparison / builds with the
old rd.c


> >> It also does not seem needed, since it did not exist before.
> >> It should go, you can set the variable with brd.rd_nr=XXX (same
> >> goes for ramdisk_size).
> >
> >But only if it's a module?
>
> Attributes always work. Try vt.default_red=0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
> and you will see.

Ah, nice. (I don't use them much!). Still, backward compat I
think is needed if we are to replace rd.c.

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  reply	other threads:[~2007-10-16  8:26 UTC|newest]

Thread overview: 77+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-15  8:28 [PATCH resend] ramdisk: fix zeroed ramdisk pages on memory pressure Christian Borntraeger
2007-10-15 14:06 ` Nick Piggin
2007-10-15  9:05   ` Christian Borntraeger
2007-10-15 14:38     ` Nick Piggin
2007-10-15 18:38       ` Eric W. Biederman
2007-10-15 22:37         ` Eric W. Biederman
2007-10-15 22:40           ` [PATCH] rd: Preserve the dirty bit in init_page_buffers() Eric W. Biederman
2007-10-15 22:42             ` [PATCH] rd: Mark ramdisk buffers heads dirty Eric W. Biederman
2007-10-16  7:56               ` Christian Borntraeger
2007-10-16  9:22                 ` Eric W. Biederman
2007-10-17 16:14                 ` Christian Borntraeger
2007-10-17 17:57                   ` Eric W. Biederman
2007-10-17 19:14                     ` Chris Mason
2007-10-17 20:29                       ` Eric W. Biederman
2007-10-17 20:54                         ` Chris Mason
2007-10-17 21:30                           ` Eric W. Biederman
2007-10-17 22:58                             ` Chris Mason
2007-10-17 23:28                               ` Eric W. Biederman
2007-10-18  0:03                                 ` Chris Mason
2007-10-18  3:27                                   ` Eric W. Biederman
2007-10-18  3:59                                   ` [RFC][PATCH] block: Isolate the buffer cache in it's own mappings Eric W. Biederman
2007-10-18  4:32                                     ` Andrew Morton
2007-10-19 21:27                                       ` Eric W. Biederman
2007-10-21  4:24                                         ` Nick Piggin
2007-10-21  4:53                                           ` Eric W. Biederman
2007-10-21  5:36                                             ` Nick Piggin
2007-10-21  7:09                                               ` Eric W. Biederman
2007-10-22  0:15                                           ` David Chinner
2007-10-18  5:10                                     ` Nick Piggin
2007-10-19 21:35                                       ` Eric W. Biederman
2007-10-17 21:48                     ` [PATCH] rd: Mark ramdisk buffers heads dirty Christian Borntraeger
2007-10-17 22:22                       ` Eric W. Biederman
2007-10-18  9:26                         ` Christian Borntraeger
2007-10-19 22:46                           ` Eric W. Biederman
2007-10-19 22:51                           ` [PATCH] rd: Use a private inode for backing storage Eric W. Biederman
2007-10-21  4:28                             ` Nick Piggin
2007-10-21  5:10                               ` Eric W. Biederman
2007-10-21  5:24                                 ` Nick Piggin
2007-10-21  6:48                                   ` Eric W. Biederman
2007-10-21  7:28                                     ` Christian Borntraeger
2007-10-21  8:23                                       ` Eric W. Biederman
2007-10-21  9:56                                         ` Nick Piggin
2007-10-21 18:39                                           ` Eric W. Biederman
2007-10-22  1:56                                             ` Nick Piggin
2007-10-22 13:11                                             ` Chris Mason
2007-10-21  9:39                                     ` Nick Piggin
2007-10-21 17:56                                       ` Eric W. Biederman
2007-10-22  0:29                                         ` Nick Piggin
2007-10-16  8:19               ` [PATCH] rd: Mark ramdisk buffers heads dirty Nick Piggin
2007-10-16  8:48                 ` Christian Borntraeger
2007-10-16 19:06                 ` Eric W. Biederman
2007-10-16 22:06                   ` Nick Piggin
2007-10-16  8:12             ` [PATCH] rd: Preserve the dirty bit in init_page_buffers() Nick Piggin
2007-10-16  9:35               ` Eric W. Biederman
2007-10-15  9:16   ` [PATCH resend] ramdisk: fix zeroed ramdisk pages on memory pressure Andrew Morton
2007-10-15 15:23     ` Nick Piggin
2007-10-16  3:14       ` Eric W. Biederman
2007-10-16  6:45         ` Nick Piggin
2007-10-16  4:57           ` Eric W. Biederman
2007-10-16  8:08             ` Nick Piggin
2007-10-16  7:47               ` [patch][rfc] rewrite ramdisk Nick Piggin
2007-10-16  7:52                 ` Jan Engelhardt
2007-10-16  8:07                   ` Nick Piggin
2007-10-16  8:17                     ` Jan Engelhardt
2007-10-16  8:26                       ` Nick Piggin [this message]
2007-10-16  8:53                         ` Jan Engelhardt
2007-10-16  9:08                 ` Eric W. Biederman
2007-10-16 21:28                 ` Theodore Tso
2007-10-16 22:08                   ` Nick Piggin
2007-10-16 23:48                     ` Eric W. Biederman
2007-10-17  0:28                       ` Nick Piggin
2007-10-17  1:13                         ` Eric W. Biederman
2007-10-17  1:47                           ` Nick Piggin
2007-10-17 10:30                 ` Eric W. Biederman
2007-10-17 12:49                   ` Nick Piggin
2007-10-17 18:45                     ` Eric W. Biederman
2007-10-18  1:06                       ` Nick Piggin

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