On Thu, Jul 13, 2017 at 11:42:59AM -0400, Brian Foster wrote: > On Thu, Jul 13, 2017 at 03:12:08PM +0200, Carlos Maiolino wrote: > > With thin devices, it's possible to have a virtual device larger than > > the physical device itself, and such situation can cause problems to > > filesystems, once the filesystem 'believe' to have more space than it > > actually has. > > > > This can lead the filesystem to several weird behaviors. The one tested > > here is filesystem lockup. > > > > In case of XFS, it locks up when trying to writeback AIL metadata back > > to the filesystem, but, once there is no physical space available, XFS > > locks up and do not gracefuly handle this case. > > > > Other filesystems usually are remounted as read-only, so they already > > have this situation covered. > > > > Signed-off-by: Carlos Maiolino <cmaiolino@xxxxxxxxxx> Thanks for the update! > > --- > > Looks good to me. Any lingering concerns from Eryu aside: > > Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx> Looks good to me too, thanks for the review! Eryu -- To unsubscribe from this list: send the line "unsubscribe fstests" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
