From: Christoph Hellwig <hch@infradead.org>
To: Theodore Ts'o <tytso@mit.edu>
Cc: linux-fsdevel@vger.kernel.org,
Ext4 Developers List <linux-ext4@vger.kernel.org>,
linux-btrfs@vger.kernel.org, xfs@oss.sgi.com
Subject: Re: [PATCH 1/4] fs: split update_time() into update_time() and write_time()
Date: Mon, 24 Nov 2014 07:21:01 -0800 [thread overview]
Message-ID: <20141124152101.GA12575@infradead.org> (raw)
In-Reply-To: <1416599964-21892-2-git-send-email-tytso@mit.edu>
On Fri, Nov 21, 2014 at 02:59:21PM -0500, Theodore Ts'o wrote:
> We needed to preserve update_time() because btrfs wants to have a
> special btrfs_root_readonly() check; otherwise we could drop the
> update_time() inode operation entirely.
Can't btrfs just set the immutable flag on every inode that is read
when the root has the BTRFS_ROOT_SUBVOL_RDONLY flag? That would
cut down the places that need this check to the ioctl path so that
we prevent users from clearling the immutable flag.
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next prev parent reply other threads:[~2014-11-24 15:21 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-21 19:59 [PATCH 0/4] add support for a lazytime mount option Theodore Ts'o
2014-11-21 19:59 ` [PATCH 1/4] fs: split update_time() into update_time() and write_time() Theodore Ts'o
2014-11-21 20:08 ` Chris Mason
2014-11-21 21:42 ` Theodore Ts'o
2014-11-24 16:38 ` David Sterba
2014-11-24 17:22 ` Theodore Ts'o
2014-11-24 18:09 ` David Sterba
2014-11-24 15:21 ` Christoph Hellwig [this message]
2014-11-24 15:56 ` Theodore Ts'o
2014-11-24 17:34 ` David Sterba
2014-11-25 15:51 ` David Sterba
2014-11-25 17:01 ` Christoph Hellwig
2014-11-21 19:59 ` [PATCH 2/4] vfs: add support for a lazytime mount option Theodore Ts'o
2014-11-25 1:52 ` Dave Chinner
2014-11-25 4:33 ` Theodore Ts'o
2014-11-25 15:32 ` Boaz Harrosh
2014-11-25 17:19 ` Jan Kara
2014-11-25 17:57 ` Theodore Ts'o
2014-11-25 20:18 ` Jan Kara
2014-11-25 17:30 ` Jan Kara
2014-11-25 19:26 ` Theodore Ts'o
2014-11-26 0:24 ` Dave Chinner
2014-11-21 19:59 ` [PATCH 3/4] vfs: don't let the dirty time inodes get more than a day stale Theodore Ts'o
2014-11-21 20:19 ` Andreas Dilger
2014-11-21 21:36 ` Theodore Ts'o
2014-11-21 23:09 ` Andreas Dilger
2014-11-25 1:53 ` Dave Chinner
2014-11-25 4:45 ` Theodore Ts'o
2014-11-25 23:48 ` Dave Chinner
2014-11-26 10:20 ` Theodore Ts'o
2014-11-26 22:39 ` Dave Chinner
2014-11-25 17:31 ` Jan Kara
2014-11-21 19:59 ` [PATCH 4/4] ext4: add support for a lazytime mount option Theodore Ts'o
2014-11-25 17:34 ` Jan Kara
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