From: Christoph Hellwig <hch@infradead.org>
To: Jan Kara <jack@suse.cz>
Cc: linux-ext4@vger.kernel.org, tytso@mit.edu,
linux-ntfs-dev@lists.sourceforge.net,
LKML <linux-kernel@vger.kernel.org>,
Joel Becker <joel.becker@oracle.com>,
Christoph Hellwig <hch@infradead.org>,
Anton Altaparmakov <aia21@cantab.net>,
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>,
Evgeniy Polyakov <zbr@ioremap.net>,
xfs@oss.sgi.com, ocfs2-devel@oss.oracle.com
Subject: Re: [PATCH 07/17] vfs: Introduce new helpers for syncing after writing to O_SYNC file or IS_SYNC inode
Date: Fri, 21 Aug 2009 11:32:35 -0400 [thread overview]
Message-ID: <20090821153235.GA5874@infradead.org> (raw)
In-Reply-To: <20090821152339.GD3007@duck.novell.com>
On Fri, Aug 21, 2009 at 05:23:39PM +0200, Jan Kara wrote:
> Hmm, I can imagine it would buy us something in two cases (but looking at
> the code, neither is implemented in such a way that it would really help
> us in any way):
> 1) when an inode and it's data are stored in one block (e.g. OCFS2 or UDF) do
> this.
> In the first case we would wait for block with data to be written only to
> submit it again because inode was still dirty.
But we would not actually store in the pagecache or at least never
writeback it via the pacache in that case, but always just write it as
part of the inode.
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next prev parent reply other threads:[~2009-08-21 15:35 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1250697884-22288-1-git-send-email-jack@suse.cz>
2009-08-19 16:04 ` [PATCH 03/17] vfs: Remove syncing from generic_file_direct_write() and generic_file_buffered_write() Jan Kara
2009-08-19 16:18 ` Christoph Hellwig
2009-08-20 13:31 ` Jan Kara
2009-08-19 16:04 ` [PATCH 07/17] vfs: Introduce new helpers for syncing after writing to O_SYNC file or IS_SYNC inode Jan Kara
2009-08-19 16:26 ` Christoph Hellwig
2009-08-20 12:15 ` Jan Kara
2009-08-20 16:27 ` Christoph Hellwig
2009-08-21 15:23 ` Jan Kara
2009-08-21 15:32 ` Christoph Hellwig [this message]
2009-08-21 15:48 ` Jan Kara
2009-08-26 18:22 ` Christoph Hellwig
2009-08-27 0:04 ` Christoph Hellwig
2009-08-19 16:04 ` [PATCH 14/17] xfs: Use new syncing helper Jan Kara
2009-08-19 16:33 ` Christoph Hellwig
2009-08-20 12:22 ` Jan Kara
[not found] <1250874001-15483-1-git-send-email-jack@suse.cz>
2009-08-21 16:59 ` [PATCH 07/17] vfs: Introduce new helpers for syncing after writing to O_SYNC file or IS_SYNC inode Jan Kara
[not found] <1250875447-15622-1-git-send-email-jack@suse.cz>
2009-08-21 17:23 ` Jan Kara
2009-08-27 17:35 ` Christoph Hellwig
2009-08-30 16:35 ` Jamie Lokier
2009-08-30 16:39 ` Christoph Hellwig
2009-08-30 17:29 ` Jamie Lokier
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