Messages in this thread | | | Date | Tue, 13 Mar 2012 11:51:20 -0400 | From | Vivek Goyal <> | Subject | Re: [patch 6/7] blk: add plug for blkdev_issue_discard |
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On Mon, Mar 12, 2012 at 11:04:18AM +0800, Shaohua Li wrote: > In raid 0 case, a big discard request is divided into several small requests > in chunk_size unit. Such requests can be merged in low layer if we have > correct plug added. This should improve the performance a little bit.
Martin posted a patch to remove the support for allowing merging of discard requests. But this seems to be a reasonable use case for allowing mering discard requests. CCing Martin.
Thanks Vivek
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