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Re: [RFC 0/7] [RFC] cramfs: fake write support
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From:
Arnd Bergmann <arnd@...>
To: Phillip Lougher <phillip@...>
Cc: David Newall <davidn@...>, <linux-fsdevel@...>, <linux-kernel@...>, <hch@...>
Subject:
Re: [RFC 0/7] [RFC] cramfs: fake write support
Date: Sunday, June 1, 2008 - 4:52 am
On Sunday 01 June 2008, Phillip Lougher wrote:
quoted text
> If I read the patches correctly, when a file page is written to, only > that page gets copied into the page cache and locked, the other pages > continue to be read off disk from cramfs? With Unionfs a page write > causes the entire file to be copied up to the r/w tmpfs and locked into > the page cache causing unnecessary RAM overhead.
Yes, that's right. Arnd <>< --
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Messages in current thread:
[RFC 0/7] [RFC] cramfs: fake write support
,
, (Sat May 31, 11:37 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Phillip Lougher
, (Sat May 31, 11:19 pm)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, David Newall
, (Sat May 31, 2:56 pm)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Arnd Bergmann
, (Sat May 31, 4:40 pm)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, David Newall
, (Sun Jun 1, 2:02 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Jörn
, (Sun Jun 1, 12:25 pm)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Jan Engelhardt
, (Sun Jun 1, 5:11 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Phillip Lougher
, (Sat May 31, 11:54 pm)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Jamie Lokier
, (Sun Jun 1, 8:28 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Arnd Bergmann
, (Sun Jun 1, 5:49 pm)
Re: [RFC 0/7] [RFC] cramfs: fake write support
,
, (Sun Jun 1, 10:48 pm)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Arnd Bergmann
, (Mon Jun 2, 3:12 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Erez Zadok
, (Mon Jun 2, 11:35 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
,
, (Mon Jun 2, 6:36 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Arnd Bergmann
, (Mon Jun 2, 7:15 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Evgeniy Polyakov
, (Mon Jun 2, 10:54 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Arnd Bergmann
, (Mon Jun 2, 1:42 pm)
Re: [RFC 0/7] [RFC] cramfs: fake write support
,
, (Mon Jun 2, 8:56 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Arnd Bergmann
, (Mon Jun 2, 10:13 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
,
, (Mon Jun 2, 10:33 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Arnd Bergmann
, (Mon Jun 2, 11:01 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
,
, (Tue Jun 3, 7:04 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Erez Zadok
, (Mon Jun 2, 12:37 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Jan Engelhardt
, (Mon Jun 2, 3:17 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Bharata B Rao
, (Mon Jun 2, 2:07 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Erez Zadok
, (Sun Jun 1, 11:51 pm)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Jamie Lokier
, (Mon Jun 2, 7:07 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Erez Zadok
, (Sun Jun 1, 11:25 pm)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Arnd Bergmann
, (Mon Jun 2, 3:51 am)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Erez Zadok
, (Mon Jun 2, 2:13 pm)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Phillip Lougher
, (Mon Jun 2, 10:02 pm)
Re: [RFC 0/7] [RFC] cramfs: fake write support
, Arnd Bergmann
, (Sun Jun 1, 4:52 am)
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