btrfs: factor out do_allocation() for extent allocation

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Factor out do_allocation() from find_free_extent(). This function do an
actual extent allocation in a given block group. The ffe_ctl->policy is
used to determine the actual allocator function to use.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.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>

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Naohiro Aota 2020-02-25 12:56:19 +09:00 • committed by David Sterba

parent c10859be9b

commit c668690dc0

1 changed files with 44 additions and 31 deletions

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75

fs/btrfs/extent-tree.c

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