btrfs: qgroup: use qgroup_iterator in __qgroup_excl_accounting()

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With the new qgroup_iterator_add() and qgroup_iterator_clean(), we can
get rid of the ulist and its GFP_ATOMIC memory allocation.

Furthermore we can merge the code handling the initial and parent
qgroups into one loop, and drop the @tmp ulist parameter for involved
call sites.

Reviewed-by: Boris Burkov <boris@bur.io>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Qu Wenruo 2023-09-02 08:13:55 +08:00 • committed by David Sterba

parent 0913445082

commit a0bdc04b07

1 changed files with 17 additions and 64 deletions

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fs/btrfs/qgroup.c

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