From: Jan Kara <jack@suse.cz>
To: Ira Weiny <ira.weiny@intel.com>
Cc: Jan Kara <jack@suse.cz>,
linux-ext4@vger.kernel.org,
Andreas Dilger <adilger.kernel@dilger.ca>,
"Theodore Y. Ts'o" <tytso@mit.edu>,
Al Viro <viro@zeniv.linux.org.uk>,
Dan Williams <dan.j.williams@intel.com>,
Dave Chinner <david@fromorbit.com>,
Christoph Hellwig <hch@lst.de>, Jeff Moyer <jmoyer@redhat.com>,
"Darrick J. Wong" <darrick.wong@oracle.com>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 8/9] fs/ext4: Introduce DAX inode flag
Date: Thu, 14 May 2020 08:43:35 +0200 [thread overview]
Message-ID: <20200514064335.GB9569@quack2.suse.cz> (raw)
In-Reply-To: <20200513214154.GB2140786@iweiny-DESK2.sc.intel.com>
On Wed 13-05-20 14:41:55, Ira Weiny wrote:
> On Wed, May 13, 2020 at 04:47:06PM +0200, Jan Kara wrote:
> >
> > So I think you'll have to check
> > whether DAX flag is being changed,
>
> ext4_dax_dontcache() does check if the flag is being changed.
Yes, but if you call it after inode flags change, you cannot determine that
just from flags and EXT4_I(inode)->i_flags. So that logic needs to change.
Honza
--
Jan Kara <jack@suse.com>
SUSE Labs, CR
next prev parent reply other threads:[~2020-05-14 6:43 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-13 5:43 [PATCH 0/9] Enable ext4 support for per-file/directory DAX operations ira.weiny
2020-05-13 5:43 ` [PATCH 1/9] fs/ext4: Narrow scope of DAX check in setflags ira.weiny
2020-05-13 5:43 ` [PATCH 2/9] fs/ext4: Disallow verity if inode is DAX ira.weiny
2020-05-16 1:49 ` Eric Biggers
2020-05-18 5:32 ` Ira Weiny
2020-05-13 5:43 ` [PATCH 3/9] fs/ext4: Disallow encryption " ira.weiny
2020-05-16 2:02 ` Eric Biggers
2020-05-18 5:03 ` Ira Weiny
2020-05-18 16:24 ` Eric Biggers
2020-05-18 19:23 ` Ira Weiny
2020-05-18 19:44 ` Eric Biggers
2020-05-20 2:02 ` Ira Weiny
2020-05-20 13:11 ` Jan Kara
2020-05-13 5:43 ` [PATCH 4/9] fs/ext4: Change EXT4_MOUNT_DAX to EXT4_MOUNT_DAX_ALWAYS ira.weiny
2020-05-13 11:25 ` Jan Kara
2020-05-13 5:43 ` [PATCH 5/9] fs/ext4: Update ext4_should_use_dax() ira.weiny
2020-05-13 11:30 ` Jan Kara
2020-05-13 5:43 ` [PATCH 6/9] fs/ext4: Only change S_DAX on inode load ira.weiny
2020-05-13 11:33 ` Jan Kara
2020-05-13 5:43 ` [PATCH 7/9] fs/ext4: Make DAX mount option a tri-state ira.weiny
2020-05-13 14:35 ` Jan Kara
2020-05-13 18:17 ` Darrick J. Wong
2020-05-13 19:53 ` Ira Weiny
2020-05-13 5:43 ` [PATCH 8/9] fs/ext4: Introduce DAX inode flag ira.weiny
2020-05-13 14:47 ` Jan Kara
2020-05-13 21:41 ` Ira Weiny
2020-05-14 6:43 ` Jan Kara [this message]
2020-05-14 6:55 ` Ira Weiny
2020-05-13 5:43 ` [PATCH 9/9] Documentation/dax: Update DAX enablement for ext4 ira.weiny
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200514064335.GB9569@quack2.suse.cz \
--to=jack@suse.cz \
--cc=adilger.kernel@dilger.ca \
--cc=dan.j.williams@intel.com \
--cc=darrick.wong@oracle.com \
--cc=david@fromorbit.com \
--cc=hch@lst.de \
--cc=ira.weiny@intel.com \
--cc=jmoyer@redhat.com \
--cc=linux-ext4@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=tytso@mit.edu \
--cc=viro@zeniv.linux.org.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).