On 2016-02-26 05:50, Vytautas D wrote:
Hi all,
Are there any known issues upgrading btrfs running ubuntu kernel 3.13
to 3.16 ? System was once converted from ext4 using btrfs-convert (
btrfs-progs 3.17 ).
The commit that worries me is following:
* Btrfs: incompatible format change to remove hole extents (+373/-56)
( http://linux-btrfs.vger.kernel.narkive.com/syNRZbHS/patch-btrfs-incompatible-format-change-to-remove-hole-extents-v3#post1
)
would this block me from reverting system with a snapshot back to kernel 3.13 ?
After upgrade would the system continue writing more metadata ?
That particular commit also added a flag to control whether or not newly
written metadata uses that feature. As long as you don't manually
enable this flag, you should be perfectly fine WRT that change.
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