On Wed, Jan 06, 2010 at 09:38:00AM -0500, Mikulas Patocka wrote: > Hi > > I uploaded new code for shared snapshots at > http://people.redhat.com/mpatocka/patches/kernel/new-snapshots/devel/ > > Changes: > - two queues, one for reads and one for writes, to improve read latency > when the device is write-congested > - limit number of reallocations in flight (VM subsystem sends all writes > at once and without limit it creates big lags). > - fixed one place where it didn't handle on-disk errors > - simplified bitmap creation, removed some unneeded code > - new macro for error reporting, as suggested by Zdenek > - some comments added > - DM_ prefix added to some macros > > Userspace for lvm 2.02.53 is at > http://people.redhat.com/mpatocka/patches/userspace/new-snapshots/lvm-2.02.54/ > > Please, someone, do offensive testing with this --- i.e. apply the > patches, try it, and try all possible lvm commands with it, try to stress > and crash it in various ways, etc. If we wait with testing until Alasdair > reads the code, it won't get much testing... > Sorry for a stupid question, but what does "shared" mean? Support for CLVM? -- Pasi -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
