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From: Andrew Morton <akpm@linux-foundation.org>
To: Jan Kara <jack@suse.cz>
Cc: linux-kernel@vger.kernel.org, jack@suse.cz
Subject: Re: [PATCH] quota: Add a convenience macro for filesystems
Date: Wed, 30 Apr 2008 12:29:11 -0700	[thread overview]
Message-ID: <20080430122911.61945aa9.akpm@linux-foundation.org> (raw)
In-Reply-To: <12095679824183-git-send-email-jack@suse.cz>

On Wed, 30 Apr 2008 17:06:18 +0200
Jan Kara <jack@suse.cz> wrote:

> Note that it cannot be an inline function because we don't have struct
> super_block prototype...
> 

lame excuse ;)

> ---
>  include/linux/quota.h |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/include/linux/quota.h b/include/linux/quota.h
> index 52e49dc..dcddfb2 100644
> --- a/include/linux/quota.h
> +++ b/include/linux/quota.h
> @@ -347,6 +347,9 @@ struct quota_info {
>  	((type) == USRQUOTA ? (sb_dqopt(sb)->flags & DQUOT_USR_SUSPENDED) : \
>  			      (sb_dqopt(sb)->flags & DQUOT_GRP_SUSPENDED))
>  
> +#define sb_any_quota_suspended(sb) (sb_has_quota_suspended(sb, USRQUOTA) | \
> +				  sb_has_quota_suspended(sb, GRPQUOTA))
> +
>  int register_quota_format(struct quota_format_type *fmt);
>  void unregister_quota_format(struct quota_format_type *fmt);


Here's a fun exercise:

	sb = sb_orig;
	sb_any_quota_suspended(sb++);
	printk("%d\n", sb - sb_orig);

afaict this will print 44 or thereabouts.

ho hum.

  parent reply	other threads:[~2008-04-30 19:29 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-30 15:06 [PATCH] ext3: Fix synchronization of quota files in journal=data mode Jan Kara
2008-04-30 15:06 ` [PATCH] ext4: " Jan Kara
2008-04-30 15:06   ` [PATCH] reiserfs: " Jan Kara
2008-04-30 15:06     ` [PATCH] ext3: Fix typos in messages and comments (journalled -> journaled) Jan Kara
2008-04-30 15:06       ` [PATCH] ext4: " Jan Kara
2008-04-30 15:06         ` [PATCH] reiserfs: " Jan Kara
2008-04-30 15:06           ` [PATCH] quota: Add a convenience macro for filesystems Jan Kara
2008-04-30 15:06             ` [PATCH] ext3: Correct mount option parsing to detect when quota options can be changed Jan Kara
2008-04-30 15:06               ` [PATCH] ext4: " Jan Kara
2008-04-30 15:06                 ` [PATCH] reiserfs: " Jan Kara
2008-04-30 19:29             ` Andrew Morton [this message]
2008-05-05 10:01               ` [PATCH] quota: Add a convenience macro for filesystems Jan Kara
2008-04-30 17:43       ` [PATCH] ext3: Fix typos in messages and comments (journalled -> journaled) Andrew Morton
2008-04-30 20:27         ` Alan Cox
2008-04-30 22:02           ` Dave Kleikamp
2008-04-30 23:20             ` Alan Cox
2008-05-01  2:28               ` Dave Kleikamp
2008-05-01  9:47                 ` Alan Cox
2008-05-01 10:01               ` Joe Fegan
2008-05-03  6:32             ` SL Baur
2008-05-05 10:09         ` Jan Kara

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