On Tue, 3 Jun 2014 14:18:53 -0700 Eivind Sarto <eivindsarto@xxxxxxxxx> wrote: > Raid0 only sets max_discard_sectors, but does not force alignment of discard requests. Discard request > will be broken up into chunk-sized REQ_DISCARD by blkdev_issue_discard(), but if the sector is not > chunk-aligned, each REQ_DISCARD to raid0 will all remain unaligned and raid0 will ned to split them all. > > This patch will prevent splitting of REQ_DISCARD requests. > > -eivind Which patch would that be, exactly. :-) NeilBrown
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