linux-ext4 - Re: [PATCH 2/2] ext3: Allow quota file use root reservation

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Date:	Fri, 21 Oct 2011 01:36:21 +0200
From:	Jan Kara <jack@...e.cz>
To:	Dmitry Monakhov <dmonakhov@...nvz.org>
Cc:	jack@...e.cz, linux-ext4@...r.kernel.org
Subject: Re: [PATCH 2/2] ext3: Allow quota file use root reservation

On Wed 19-10-11 14:16:23, Dmitry Monakhov wrote:
> Quota file is fs's metadata, so it is reasonable  to permit use
> root resevation if necessary. This patch fix 265'th xfstest failure
> 
> Signed-off-by: Dmitry Monakhov <dmonakhov@...nvz.org>
> ---
>  fs/ext3/balloc.c |    8 ++++----
>  1 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
> index 6386d76..5430559 100644
> --- a/fs/ext3/balloc.c
> +++ b/fs/ext3/balloc.c
...
> @@ -1546,7 +1546,7 @@ ext3_fsblk_t ext3_new_blocks(handle_t *handle, struct inode *inode,
>  	if (block_i && ((windowsz = block_i->rsv_window_node.rsv_goal_size) > 0))
>  		my_rsv = &block_i->rsv_window_node;
>  
> -	if (!ext3_has_free_blocks(sbi)) {
> +	if (!ext3_has_free_blocks(sbi, IS_NOQUOTA(inode))) {
>  		*errp = -ENOSPC;
>  		goto out;
>  	}
  Hmph, using IS_NOQUOTA() for a detection of quota files is a hack. But if
we look at it like "if a file is extempted from quota, it can be as well
allowed to use reserved blocks" then it makes some sense. So I'll take the
patch. Thanks.

								Honza
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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