On 20.11.19 г. 20:24 ч., Omar Sandoval wrote: > From: Omar Sandoval <osandov@xxxxxx> > > Snapshot-aware defrag has been disabled since commit 8101c8dbf624 > ("Btrfs: disable snapshot aware defrag for now") almost 6 years ago. > Let's remove the dead code. If someone is up to the task of bringing it > back, they can dig it up from git. > > This is logically a revert of commit 38c227d87c49 ("Btrfs: > snapshot-aware defrag") except that now we have to clear the > EXTENT_DEFRAG bit to avoid need_force_cow() returning true forever. > > Signed-off-by: Omar Sandoval <osandov@xxxxxx> Reviewed-by: Nikolay Borisov <nborisov@xxxxxxxx>