From: Linus Torvalds <torvalds@linux-foundation.org>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: jens.axboe@oracle.com, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [rfc patch 3/4] splice: remove confirm from pipe_buf_operations
Date: Tue, 24 Jun 2008 11:31:33 -0700 (PDT) [thread overview]
Message-ID: <alpine.LFD.1.10.0806241129590.2926@woody.linux-foundation.org> (raw)
In-Reply-To: <E1KBDBg-0002XZ-DG@pomaz-ex.szeredi.hu>
On Tue, 24 Jun 2008, Miklos Szeredi wrote:
>
> OK. But currently we have an implementation that
>
> 1) doesn't do any of this, unless readahead is disabled
Sure. But removing even the conceptual support? Not a good idea.
> And in addition, splice-in and splice-out can return a short count or
> even zero count if the filesystem invalidates the cached pages during
> the splicing (data became stale for example). Are these the right
> semantics? I'm not sure.
What does that really have with splice() and removing the features? Why
don't you just fix that issue?
Linus
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next prev parent reply other threads:[~2008-06-24 18:31 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-21 15:46 [rfc patch 0/4] splice: cleanups and fixes Miklos Szeredi
2008-06-21 15:46 ` [rfc patch 1/4] splice: fix comment Miklos Szeredi, Miklos Szeredi
2008-06-21 15:46 ` [rfc patch 2/4] splice: remove steal from pipe_buf_operations Miklos Szeredi, Miklos Szeredi
2008-06-24 8:01 ` Jens Axboe
2008-06-24 8:50 ` Miklos Szeredi
2008-06-24 12:21 ` Nick Piggin
2008-06-21 15:46 ` [rfc patch 3/4] splice: remove confirm " Miklos Szeredi, Miklos Szeredi
2008-06-24 8:04 ` Jens Axboe
2008-06-24 8:54 ` Miklos Szeredi
2008-06-24 11:19 ` Jens Axboe
2008-06-24 11:36 ` Miklos Szeredi
2008-06-24 11:46 ` Evgeniy Polyakov
2008-06-24 12:02 ` Miklos Szeredi
2008-06-24 12:15 ` Evgeniy Polyakov
2008-06-24 12:16 ` Nick Piggin
2008-06-24 12:22 ` Jens Axboe
2008-06-24 13:00 ` Miklos Szeredi
2008-06-24 17:30 ` Linus Torvalds
2008-06-24 18:24 ` Miklos Szeredi
2008-06-24 18:31 ` Linus Torvalds [this message]
2008-06-24 19:05 ` Miklos Szeredi
2008-06-24 19:17 ` Linus Torvalds
2008-06-24 19:24 ` Miklos Szeredi
2008-06-24 19:26 ` Miklos Szeredi
2008-06-24 19:32 ` Miklos Szeredi
2008-06-24 19:47 ` Linus Torvalds
2008-06-24 20:06 ` Miklos Szeredi
2008-06-24 19:45 ` Linus Torvalds
2008-06-21 15:46 ` [rfc patch 4/4] splice: use do_generic_file_read() Miklos Szeredi, Miklos Szeredi
2008-06-24 8:05 ` Jens Axboe
2008-06-24 11:11 ` Miklos Szeredi
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