From: Dave Chinner <david@fromorbit.com>
To: ira.weiny@intel.com
Cc: linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org,
"Darrick J. Wong" <darrick.wong@oracle.com>,
Al Viro <viro@zeniv.linux.org.uk>, Jan Kara <jack@suse.cz>,
Dan Williams <dan.j.williams@intel.com>,
Christoph Hellwig <hch@lst.de>,
"Theodore Y. Ts'o" <tytso@mit.edu>,
Jeff Moyer <jmoyer@redhat.com>,
linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-api@vger.kernel.org
Subject: Re: [PATCH V10 09/11] fs: Lift XFS_IDONTCACHE to the VFS layer
Date: Fri, 24 Apr 2020 08:38:29 +1000 [thread overview]
Message-ID: <20200423223829.GX27860@dread.disaster.area> (raw)
In-Reply-To: <20200422212102.3757660-10-ira.weiny@intel.com>
On Wed, Apr 22, 2020 at 02:21:00PM -0700, ira.weiny@intel.com wrote:
> From: Ira Weiny <ira.weiny@intel.com>
>
> DAX effective mode (S_DAX) changes requires inode eviction.
>
> XFS has an advisory flag (XFS_IDONTCACHE) to prevent caching of the
> inode if no other additional references are taken. We lift this flag to
> the VFS layer and change the behavior slightly by allowing the flag to
> remain even if multiple references are taken.
>
> This will expedite the eviction of inodes to change S_DAX.
>
> Cc: Al Viro <viro@zeniv.linux.org.uk>
> Reviewed-by: Jan Kara <jack@suse.cz>
> Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Looks good.
Reviewed-by: Dave Chinner <dchinner@redhat.com>
--
Dave Chinner
david@fromorbit.com
next prev parent reply other threads:[~2020-04-23 22:38 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-22 21:20 [PATCH V10 00/11] XFS - Enable per-file/per-directory DAX operations V10 ira.weiny
2020-04-22 21:20 ` [PATCH V10 01/11] fs/xfs: Remove unnecessary initialization of i_rwsem ira.weiny
2020-04-22 21:20 ` [PATCH V10 02/11] fs: Remove unneeded IS_DAX() check in io_is_direct() ira.weiny
2020-04-23 21:41 ` Dave Chinner
2020-04-22 21:20 ` [PATCH V10 03/11] fs/stat: Define DAX statx attribute ira.weiny
2020-04-22 21:20 ` [PATCH V10 04/11] Documentation/dax: Update Usage section ira.weiny
2020-04-23 2:33 ` Yasunori Goto
2020-04-23 5:05 ` Ira Weiny
2020-04-23 22:27 ` Dave Chinner
2020-04-23 23:25 ` Ira Weiny
2020-04-24 2:15 ` Dave Chinner
2020-04-24 5:55 ` Ira Weiny
2020-04-22 21:20 ` [PATCH V10 05/11] fs/xfs: Change XFS_MOUNT_DAX to XFS_MOUNT_DAX_ALWAYS ira.weiny
2020-04-23 22:27 ` Dave Chinner
2020-04-22 21:20 ` [PATCH V10 06/11] fs/xfs: Make DAX mount option a tri-state ira.weiny
2020-04-23 22:35 ` Dave Chinner
2020-04-23 23:33 ` Ira Weiny
2020-04-22 21:20 ` [PATCH V10 07/11] fs/xfs: Create function xfs_inode_should_enable_dax() ira.weiny
2020-04-23 22:36 ` Dave Chinner
2020-04-22 21:20 ` [PATCH V10 08/11] fs/xfs: Combine xfs_diflags_to_linux() and xfs_diflags_to_iflags() ira.weiny
2020-04-23 22:37 ` Dave Chinner
2020-04-22 21:21 ` [PATCH V10 09/11] fs: Lift XFS_IDONTCACHE to the VFS layer ira.weiny
2020-04-23 22:38 ` Dave Chinner [this message]
2020-04-22 21:21 ` [PATCH V10 10/11] fs: Introduce DCACHE_DONTCACHE ira.weiny
2020-04-23 8:40 ` Jan Kara
2020-04-23 22:57 ` Dave Chinner
2020-04-23 23:38 ` Ira Weiny
2020-04-22 21:21 ` [PATCH V10 11/11] fs/xfs: Update xfs_ioctl_setattr_dax_invalidate() ira.weiny
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