On 2017年11月06日 23:28, David Sterba wrote: > On Tue, Oct 31, 2017 at 02:08:16PM +0800, Qu Wenruo wrote: >> btrfs_create_tree() will unconditionally generate UUID for any root. >> So for quota tree and data reloc tree created by kernel, they will have >> unique UUIDs. >> >> However UUID in root item is only referred by UUID tree, which only >> records UUID for fs trees. >> This makes unique UUIDs for quota/data reloc tree meaningless. >> >> Leave the UUID as zero for non-fs tree, making btrfs-debug-tree output >> less confusing. >> >> Reported-by: Misono Tomohiro <misono.tomohiro@xxxxxxxxxxxxxx> > > Can you please point me to the report? Here it is: https://marc.info/?l=linux-btrfs&m=150941856508074&w=2 Thanks, Qu > >> Signed-off-by: Qu Wenruo <wqu@xxxxxxxx> > > Reviewed-by: David Sterba <dsterba@xxxxxxxx> > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html >
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