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From: Alexander Bokovoy <a.bokovoy@sam-solutions.net>
To: devel@altlinux.ru
Subject: Re: [devel] I: XFS current situation
Date: Fri, 29 Mar 2002 12:06:42 +0200
Message-ID: <20020329100642.GE20239@sam-solutions.net> (raw)
In-Reply-To: <20020329123057.0112b51c.goldhead@altlinux.ru>

On Fri, Mar 29, 2002 at 12:30:57PM +0300, Konstantin Volckov wrote:
> On Fri, 29 Mar 2002 11:22:32 +0200
> Alexander Bokovoy <a.bokovoy@sam-solutions.net> wrote:
> 
> > On Fri, Mar 29, 2002 at 12:05:47PM +0300, Konstantin Volckov wrote:
> 
> Hi!
> 
> > > > Забыл:
> > > > 
> > > >   3. Текущая версия XFS имеет проблемы с mmap() и, соответственно,
> > > >   приложениями, которые используют эту функцию. Требуется пересборка
> > > >   приложений без нее. Разработчики пытаются проблему решить, но пока
> > > >   продвижения нет.
> > > 
> > > Так я же зафиксил эту проблему и отправил им патч - ответа до сих пор
> > > нет...
> > Напомни название патча в нашем ядре, я сегодня буду разговаривать со
> > Стивом Лордом.
> Патч приложен.
Эта функция переписана с нуля:

STATIC int
linvfs_write_full_page(
	struct page	*page)
{
	int		flagset = 0;
	int		error;
	struct vnode	*vp;
	struct inode	*inode;

	if ((current->flags & PF_FSTRANS) && DelallocPage(page))
		goto out_fail;

	if ((current->flags & (PF_FSTRANS|PF_NOIO)) &&
	    (!page->buffers || buffer_delay(page->buffers)))
		goto out_fail;

	if (!page->buffers || buffer_delay(page->buffers)) {
		current->flags |= PF_NOIO;
		flagset = 1;
	}

	inode = page->mapping->host;
	vp = LINVFS_GET_VP(inode);
	VOP_WRITE_FULL_PAGE(vp, page, error);

	if (flagset)
		current->flags &= ~PF_NOIO;
	return error;

out_fail:
	SetPageDirty(page);
	UnlockPage(page);
	return 0;
}

-- 
/ Alexander Bokovoy
Software architect and analyst             // SaM-Solutions Ltd.
---
People respond to people who respond.



      reply	other threads:[~2002-03-29 10:06 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-03-28 18:46 Alexander Bokovoy
2002-03-28 19:05 ` Alexander Bokovoy
2002-03-29  9:05   ` Konstantin Volckov
2002-03-29  9:22     ` Alexander Bokovoy
2002-03-29  9:30       ` Konstantin Volckov
2002-03-29 10:06         ` Alexander Bokovoy [this message]

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