From: Dave Chinner <david@fromorbit.com>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Christoph Hellwig <hch@infradead.org>, xfs@oss.sgi.com
Subject: Re: detecting case-insensitivity
Date: Tue, 1 May 2012 09:01:05 +1000 [thread overview]
Message-ID: <20120430230105.GL7015@dastard> (raw)
In-Reply-To: <20120430212649.GB22323@fieldses.org>
On Mon, Apr 30, 2012 at 05:26:49PM -0400, J. Bruce Fields wrote:
> On Wed, Apr 11, 2012 at 04:37:35PM -0400, J. Bruce Fields wrote:
> > On Wed, Apr 11, 2012 at 04:03:35PM -0400, Christoph Hellwig wrote:
> > > Can you add a new s_feature_flags instead of s_flags which is shared
> > > with the mount user ABI? MS_I_VERSION should also move there.
> >
> > I was wondering about that. Yes, that makes a lot more sense, I'll work
> > on it.
>
> Just something like this?
.....
> #define S_SYNC 1 /* Writes are synced at once */
> @@ -268,7 +271,7 @@ struct inodes_stat_t {
> ((inode)->i_flags & (S_SYNC|S_DIRSYNC)))
> #define IS_MANDLOCK(inode) __IS_FLG(inode, MS_MANDLOCK)
> #define IS_NOATIME(inode) __IS_FLG(inode, MS_RDONLY|MS_NOATIME)
> -#define IS_I_VERSION(inode) __IS_FLG(inode, MS_I_VERSION)
> +#define IS_I_VERSION(inode) ((inode)->i_sb->s_flags & SF_I_VERSION)
(inode)->i_sb->s_feature_flags?
> #define IS_NOQUOTA(inode) ((inode)->i_flags & S_NOQUOTA)
> #define IS_APPEND(inode) ((inode)->i_flags & S_APPEND)
> @@ -1428,7 +1431,8 @@ struct super_block {
> const struct dquot_operations *dq_op;
> const struct quotactl_ops *s_qcop;
> const struct export_operations *s_export_op;
> - unsigned long s_flags;
> + unsigned long s_flags; /* mount flags */
> + unsigned int s_feature_flags;
why not an unsigned long like s_flags?
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2012-04-30 23:01 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-07 14:00 detecting case-insensitivity J. Bruce Fields
2012-04-08 23:02 ` Dave Chinner
2012-04-11 20:03 ` Christoph Hellwig
2012-04-11 20:37 ` J. Bruce Fields
2012-04-30 21:26 ` J. Bruce Fields
2012-04-30 23:01 ` Dave Chinner [this message]
2012-05-03 20:22 ` J. Bruce Fields
-- strict thread matches above, loose matches on Subject: below --
2012-04-09 5:01 Vyacheslav Dubeyko
2012-04-09 21:28 ` J. Bruce Fields
2012-04-09 22:19 ` Dave Chinner
2012-04-09 22:27 ` J. Bruce Fields
2012-04-09 22:44 ` Dave Chinner
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