On Thu, Jul 04, 2019 at 06:16:54AM +0800, Anand Jain wrote: > > > > On 4 Jul 2019, at 12:09 AM, David Sterba <dsterba@xxxxxxx> wrote: > > > > On Wed, Jun 26, 2019 at 01:30:17AM -0700, Anand Jain wrote: > >> From: Anand Jain <Anand.Jain@xxxxxxxxxx> > >> > >> The cli 'btrfs inspect dump-tree <dev>' will scan for the partner devices > >> if any by default. > >> > >> So as of now you can not inspect each mirrored device independently. > >> > >> This patch adds noscan option, which when used won't scan the system for > >> the partner devices, instead it just uses the devices provided in the > >> argument. > >> > >> For example: > >> btrfs inspect dump-tree --noscan <dev> [<dev>..] > >> > >> This helps to debug degraded raid1 and raid10. > >> > >> Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx> > > > > This makes misc-test/021-image-multi-devices fail > > > > ====== RUN CHECK root_helper mount /dev/loop2 .../btrfs-progs/tests//mnt > > ====== RUN CHECK md5sum .../btrfs-progs/tests//mnt/foobar > > md5sum: .../btrfs-progs/tests//mnt/foobar: Input/output error > > failed: md5sum .../btrfs-progs/tests//mnt/foobar > > ====== RUN CHECK root_helper umount .../btrfs-progs/tests//mnt > > ====== RUN CHECK root_helper losetup -d /dev/loop2 > > ====== RUN CHECK root_helper losetup -d /dev/loop3 > > > > note the md5sum error, that does not happen otherwise > > > I am on devel. It runs fine. Test-misc/021 doesn’t use dump-tree at all. > Its strange that mnt/foobar fails to read in your case. Sorry, I replied to the wrong patch, it's the other one "btrfs-progs: dump-tree: add noscan option".
