linux-kernel - Re: [PATCH] reiserfs: discard prealloc in reiserfs_delete

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Date:	Fri, 11 Jul 2008 15:23:37 -0400
From:	Jeff Mahoney <jeffm@...e.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	ReiserFS Mailing List <reiserfs-devel@...r.kernel.org>,
	Greg KH <gregkh@...e.de>
Subject: Re: [PATCH] reiserfs: discard prealloc in reiserfs_delete_inode

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Andrew Morton wrote:
> On Tue, 08 Jul 2008 14:37:06 -0400 Jeff Mahoney <jeffm@...e.com> wrote:
> 
>>  With the removal of struct file from the xattr code, reiserfs_file_release()
>>  isn't used anymore, so the prealloc isn't discarded. This causes hangs
>>  later down the line.
>>
>>  This patch adds it to reiserfs_delete_inode. In most cases it will be
>>  a no-op due to it already having been called, but will avoid hangs with xattrs.
>>
>> Signed-off-by: Jeff Mahoney <jeffm@...e.com>
>> ---
>>  fs/reiserfs/inode.c |    2 ++
>>  1 file changed, 2 insertions(+)
>>
>> --- a/fs/reiserfs/inode.c
>> +++ b/fs/reiserfs/inode.c
>> @@ -45,6 +45,8 @@ void reiserfs_delete_inode(struct inode
>>  			goto out;
>>  		reiserfs_update_inode_transaction(inode);
>>  
>> +		reiserfs_discard_prealloc(&th, inode);
>> +
>>  		err = reiserfs_delete_object(&th, inode);
>>  
>>  		/* Do quota update inside a transaction for journaled quotas. We must do that
> 
> Can you please remind us when "the removal of struct file from the xattr
> code" happened?
> 
> Because hangs aren't good, and 2.6.25 might want this.

You're right. It was added in 2.6.25-rc7. I'll ping Greg about including
it in the stable tree.

- -Jeff

- --
Jeff Mahoney
SUSE Labs
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