Message-ID: <486CE247.5020904@linux.vnet.ibm.com>
Date: Thu, 03 Jul 2008 11:29:27 -0300
From: Breno Leitao <leitao@linux.vnet.ibm.com>
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To: Artem.Bityutskiy@nokia.com
CC: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Christoph Hellwig <hch@infradead.org>, linux-fsdevel@vger.kernel.org,
       Hunter Adrian <ext-Adrian.Hunter@nokia.com>
Subject: Re: Is VFS behavior fine?
References: <486B419F.7050407@nokia.com>
In-Reply-To: <486B419F.7050407@nokia.com>
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Artem Bityutskiy wrote:
> The result of it was that the '->delete_inode()' operation for
> the 'xxx' directory inode is not called. It is not called even
> after 'cd /'. However, if we do not do the 'touch tmp' command
> (which actually fails), '->delete_inode()' _is_ called for 'xxx'.
>
> So 'touch tmp' has a side effect. You may notice this by watching
> 'cat /proc/slabinfo | grep dentry' while running the following
> script:
I tried to reproduce this on my system using an EXT3 filesystem, leaving 
the script running the entire night. When I wake up I found that the 
system disk was full. So, besides the memory issue, this problem also 
consume some bytes on your filesystem.
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