On Tue, Dec 15, 2015 at 02:16:05PM +0100, Michał Pecio wrote: > Hi, > > I'm using XFS with bsize=4096 on RAID0 of two Intel 320 SSDs under > Linux 3.18 LTS. I'm wondering if it's correct to assume that discards > issued by XFS will always be multiples of 4k and 4k-aligned? Yes. Discards are only done on filesystem blocks, so will have filesystem block granularity/alignment. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs