From: Dave Chinner <david@fromorbit.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH 4/9] xfs: move v1 inode conversion to xfs_inode_from_disk
Date: Tue, 9 Feb 2016 06:44:18 +1100 [thread overview]
Message-ID: <20160208194418.GF27429@dastard> (raw)
In-Reply-To: <20160208093150.GD28146@infradead.org>
On Mon, Feb 08, 2016 at 01:31:50AM -0800, Christoph Hellwig wrote:
> Looks fine,
>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
>
> Shouldn't we be able to kill off di_version as well? version 3 inodes
> only happen on crc enabled file systems, and version 2 only on
> version 4 file systems.
In theory, yes, though there is a lot of code that checks the
di_version field and the superblock version checks are more
heavyweight.
I think it's also a cleaner design to base general inode
formatting decisions on the inode version number and it's internal
flags, because then we don't have to rely on external code to
determine exactly what to do. e.g. in userspace there is no
guarantee we have a superblock context we can access, even if we
have a struct xfs_inode or a struct xfs_icdinode...
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2016-02-08 19:44 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-08 4:24 [PATCH v3 0/9] xfs: gut the struct xfs_icdinode Dave Chinner
2016-02-08 4:24 ` [PATCH 1/9] xfs: introduce inode log format object Dave Chinner
2016-02-08 9:23 ` Christoph Hellwig
2016-02-08 19:28 ` Dave Chinner
2016-02-08 4:24 ` [PATCH 2/9] xfs: remove timestamps from incore inode Dave Chinner
2016-02-08 9:28 ` Christoph Hellwig
2016-02-08 4:24 ` [PATCH 3/9] xfs: cull unnecessary icdinode fields Dave Chinner
2016-02-08 9:29 ` Christoph Hellwig
2016-02-08 15:29 ` Brian Foster
2016-02-08 4:24 ` [PATCH 4/9] xfs: move v1 inode conversion to xfs_inode_from_disk Dave Chinner
2016-02-08 9:31 ` Christoph Hellwig
2016-02-08 19:44 ` Dave Chinner [this message]
2016-02-08 4:24 ` [PATCH 5/9] xfs: reinitialise recycled VFS inode correctly Dave Chinner
2016-02-08 9:33 ` Christoph Hellwig
2016-02-08 15:29 ` Brian Foster
2016-02-08 4:24 ` [PATCH 6/9] xfs: use vfs inode nlink field everywhere Dave Chinner
2016-02-08 9:40 ` Christoph Hellwig
2016-02-08 19:47 ` Dave Chinner
2016-02-08 15:29 ` Brian Foster
2016-02-08 4:24 ` [PATCH 7/9] xfs: move inode generation count to VFS inode Dave Chinner
2016-02-08 9:40 ` Christoph Hellwig
2016-02-08 15:29 ` Brian Foster
2016-02-08 4:24 ` [PATCH 8/9] xfs: move di_changecount " Dave Chinner
2016-02-08 9:41 ` Christoph Hellwig
2016-02-08 4:24 ` [PATCH 9/9] xfs: mode di_mode to vfs inode Dave Chinner
2016-02-08 9:42 ` Christoph Hellwig
2016-02-08 19:50 ` Dave Chinner
2016-02-08 15:29 ` Brian Foster
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