btrfs: remove clone_backref_node() from relocation

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Since we no longer maintain backref cache across transactions, and this
is only called when we're creating the reloc root for a newly created
snapshot in the transaction critical section, we will end up doing a
bunch of work that will just get thrown away when we start the
transaction in the relocation loop.  Delete this code as it no longer
does anything for us.

Reviewed-by: Boris Burkov <boris@bur.io>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Josef Bacik 2024-10-03 11:43:07 -04:00 • committed by David Sterba

parent 551d04a32a

commit 0097422c0d

1 changed files with 1 additions and 90 deletions

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fs/btrfs/relocation.c

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