On Mon, Apr 15, 2013 at 10:08:45AM -0400, Joe Lawrence wrote: >Hello, > >Chris Dunlop has discovered that a few block layer changes have made it >into stable without a corresponding MD RAID change: > > http://thread.gmane.org/gmane.linux.raid/42416 > >WRITE SAME was broken in MD RAID 1/10 up until: > > c8dc9c6 md: raid1,10: Handle REQ_WRITE_SAME flag in write bios > >and should be present in any kernel that includes the block layer >WRITE SAME commits: > > 4363ac7 block: Implement support for WRITE SAME > 579e8f3 block: Make blkdev_issue_zeroout use WRITE SAME FWIW, Fedora has had confirmation that adding c8dc9c6 on top of 3.8.8 fixes a degraded raid array issue that cropped up during the 3.8.x stable series. https://bugzilla.redhat.com/show_bug.cgi?id=947539 josh -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html