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Re: [dm-devel] [PATCH 26/30] ext4: do not send discards as barriers
- From: Christoph Hellwig <hch lst de>
- To: Tejun Heo <tj kernel org>
- Cc: jeremy goop org, jack suse cz, snitzer redhat com, mst redhat com, linux-ide vger kernel org, dm-devel redhat com, James Bottomley suse de, konishi ryusuke lab ntt co jp, hch lst de, k-ueda ct jp nec com, vst vlnb net, linux-scsi vger kernel org, Christoph Hellwig <hch infradead org>, rusty rustcorp com au, linux-raid vger kernel org, swhiteho redhat com, chris mason oracle com, tytso mit edu, jaxboe fusionio com, linux-kernel vger kernel org, linux-fsdevel vger kernel org, rwheeler redhat com
- Subject: Re: [dm-devel] [PATCH 26/30] ext4: do not send discards as barriers
- Date: Wed, 25 Aug 2010 17:58:42 +0200
On Wed, Aug 25, 2010 at 05:47:43PM +0200, Tejun Heo wrote:
> From: Christoph Hellwig <hch infradead org>
>
> ext4 already uses synchronous discards, no need to add I/O barriers.
This needs the patch that Jan sent in reply to my initial version merged
into it.
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