On Sun, Jan 26, 2014 at 10:32:18PM +0800, Wang Shilong wrote: > I can easily trigger the following warnings when enabling quota > in my virtual machine(running Opensuse), Steps are firstly creating > a subvolume full of fragment extents, and then create many snapshots > (500 in my test case).
Good one. You can try to increase the stress and find more of such stalls, any while() loop using qgroups inside is a good candidate. Sometimes the scheduling points are implied by called functions. > Cc: Josef Bacik <[email protected]> > Signed-off-by: Wang Shilong <[email protected]> Reviewed-by: David Sterba <[email protected]> -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
