Re: [PATCH V3] Btrfs: device_list_add() should not update list when mounted

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 As mentioned in the other thread.. we expect user to check the devices
 before / after mount and wipefs the disks which should not belong to
 the fsid.

 my bad. I just realized that unmount and wipefs may not be an
 viable choice in case of btrfs as root fs.

For the case you mentioned, I think the behavior is OK,
always use the device with *current* largest generation is a acceptable
strategy, since the only things we can depend on the devices we
*current* see...

 Yeah. let me do that approach as well to take care of picking
 the correct disk when FS is _unmounted_.

 And, when FS is mounted we should NOT kick out device paths
 invariably. which means we still need the patch.

   Btrfs: device_list_add() should not update list when mounted

Thanks, Anand


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