Am Montag, 29. Dezember 2014, 02:08:21 schrieb Duncan: > Martin Steigerwald posted on Sun, 28 Dec 2014 17:58:17 +0100 as excerpted: > > > The fstrim on /home returns immediately. It does not even seem to trim > > anything. What could be the cause for that? > > While I don't know your mapper layout, trim working on the others but not > on /home sounds to me like either one of the physical devices on which > /home is located doesn't support trim, or they all do, but somewhere > along the line that information is being lost, so it doesn't believe trim > can actually work on that filesystem. Typical shortcut "the information > available says that can't work, simply return before trying" behavior.
Duncan, it did trim before. Its on two SSDs that definately support trim. Anyway, I got an hint about it of list with a patch to test. -- Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html