On Mon, Feb 14, 2011 at 02:58:45PM -0500, Ted Ts'o wrote: > -lsf-pc, -linux-fsdevel > > On Mon, Feb 14, 2011 at 09:00:58PM +0200, Amir Goldstein wrote: > > Yes, of course. Upgraders won't be the ones using snapshots. > > My intension was to state that those people installing new systems to test > > snapshots would be functioning as testers for "ext3 mode", because: > > 1. when no snapshots exists it boils down to testing "ext3 mode". > > 2. it is unlikely that snapshots will mask "ext3 mode" bugs. > > > > So my claim is that "ext3 mode" would benefit from a transition > > period in which snapshots and (extens,delalloc) are mutually > > exclusive in ext4. > > Here are the requirements that I think are critical before we do this: > > 1) We need to solve the testing matrix problem. Right now "ext3 mode" > in ext4 doesn't get enough testing as it is. Part of the solution is > (a) deciding on the modes that need testing, and (b) writing some > shell scripts so that xfstests can be automatically run in all of the > right modes. And then it will be having some number of people > (hopefully not just me) running said tests and reporting failures. What scripts are needed? xfstests has the $MKFS_OPTIONS and $MOUNT_OPTIONS environment variables for customising your mkfs and mount parameters for each test run, so isn't testing ext3 filesystems with the ext4 code should just be a matter of setting these appropriately? Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
