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98820a7e24
The UUID change by btrfstune sets SUPER_FLAG_CHANGING_FSID and resets it only when changing fsid is complete. Its not a good idea to mount the device anything in between, reading metadata blocks would fail with UUID mismatch. This patch doesn't add SUPER_FLAG_CHANGING_FSID into BTRFS_SUPER_FLAG_SUPP list, so mount will fail (along with the fix in the next patch) when SUPER_FLAG_CHANGING_FSID is set. Signed-off-by: Anand Jain <anand.jain@oracle.com> Reviewed-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> [ update changelog ] Signed-off-by: David Sterba <dsterba@suse.com> |
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