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From: Matthew Wilcox <willy@infradead.org>
To: Greg Ungerer <gregungerer@westnet.com.au>
Cc: Christian Brauner <brauner@kernel.org>, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 12/16] romfs: Convert romfs_read_folio() to use a folio
Date: Mon, 12 Aug 2024 04:30:06 +0100	[thread overview]
Message-ID: <ZrmBvo6c1N7YnJ6y@casper.infradead.org> (raw)
In-Reply-To: <597dd1bb-43ee-4531-8869-c46b38df56bd@westnet.com.au>

On Mon, Aug 12, 2024 at 11:46:34AM +1000, Greg Ungerer wrote:
> > @@ -125,20 +121,14 @@ static int romfs_read_folio(struct file *file, struct folio *folio)
> >   		ret = romfs_dev_read(inode->i_sb, pos, buf, fillsize);
> >   		if (ret < 0) {
> > -			SetPageError(page);
> >   			fillsize = 0;
> >   			ret = -EIO;
> >   		}
> >   	}
> > -	if (fillsize < PAGE_SIZE)
> > -		memset(buf + fillsize, 0, PAGE_SIZE - fillsize);
> > -	if (ret == 0)
> > -		SetPageUptodate(page);
> > -
> > -	flush_dcache_page(page);
> > -	kunmap(page);
> > -	unlock_page(page);
> > +	buf = folio_zero_tail(folio, fillsize, buf);

I think this should have been:

	buf = folio_zero_tail(folio, fillsize, buf + fillsize);

Can you give that a try?

  reply	other threads:[~2024-08-12  3:30 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-30 20:20 [PATCH 00/16] Prepare to remove PG_error Matthew Wilcox (Oracle)
2024-05-30 20:20 ` [PATCH 01/16] befs: Convert befs_symlink_read_folio() to use folio_end_read() Matthew Wilcox (Oracle)
2024-05-30 20:20 ` [PATCH 02/16] coda: Convert coda_symlink_filler() " Matthew Wilcox (Oracle)
2024-05-30 20:20 ` [PATCH 03/16] cramfs: Convert cramfs_read_folio to use a folio Matthew Wilcox (Oracle)
2024-05-30 20:20 ` [PATCH 04/16] efs: Convert efs_symlink_read_folio " Matthew Wilcox (Oracle)
2024-05-30 20:20 ` [PATCH 05/16] hpfs: Convert hpfs_symlink_read_folio " Matthew Wilcox (Oracle)
2024-05-30 20:20 ` [PATCH 06/16] isofs: Convert rock_ridge_symlink_read_folio " Matthew Wilcox (Oracle)
2024-05-30 20:20 ` [PATCH 07/16] hostfs: Convert hostfs_read_folio() " Matthew Wilcox (Oracle)
2024-05-30 20:21 ` [PATCH 08/16] jffs2: Remove calls to set/clear the folio error flag Matthew Wilcox (Oracle)
2024-05-30 20:21 ` [PATCH 09/16] nfs: Remove calls to folio_set_error Matthew Wilcox (Oracle)
2024-05-30 20:21 ` [PATCH 10/16] orangefs: Remove calls to set/clear the error flag Matthew Wilcox (Oracle)
2024-05-30 20:21 ` [PATCH 11/16] reiserfs: Remove call to folio_set_error() Matthew Wilcox (Oracle)
2024-05-30 20:21 ` [PATCH 12/16] romfs: Convert romfs_read_folio() to use a folio Matthew Wilcox (Oracle)
2024-08-12  1:46   ` Greg Ungerer
2024-08-12  3:30     ` Matthew Wilcox [this message]
2024-08-12  4:36       ` Greg Ungerer
2024-08-14 19:32         ` Matthew Wilcox
2024-08-15 12:42           ` Christian Brauner
2024-08-26  1:34             ` Greg Ungerer
2024-08-26 10:42               ` Christian Brauner
2024-05-30 20:21 ` [PATCH 13/16] ufs: Remove call to set the folio error flag Matthew Wilcox (Oracle)
2024-05-30 20:21 ` [PATCH 14/16] vboxsf: Convert vboxsf_read_folio() to use a folio Matthew Wilcox (Oracle)
2024-05-30 20:21 ` [PATCH 15/16] iomap: Remove calls to set and clear folio error flag Matthew Wilcox (Oracle)
2024-05-30 20:21 ` [PATCH 16/16] buffer: Remove calls to set and clear the " Matthew Wilcox (Oracle)
2024-05-31 10:34 ` [PATCH 00/16] Prepare to remove PG_error Christian Brauner

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