tree 0c63cb7a7f2af6a8cd87aa8e78e45ebdb625dd06
parent 45d8e033b2354e74a3f80cffec0b0b1aa099f4c7
author Naohiro Aota <naohiro.aota@wdc.com> 1582602986 +0900
committer David Sterba <dsterba@suse.com> 1584979311 +0100

btrfs: factor out prepare_allocation() for extent allocation

This function finally factor out prepare_allocation() form
find_free_extent(). This function is called before the allocation loop
and a specific allocator function like prepare_allocation_clustered()
should initialize their private information and can set proper hint_byte
to indicate where to start the allocation with.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>