btrfs: Refactor shrink_delalloc

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Add a couple of comments regarding the logic flow in shrink_delalloc.
Then, cease using max_reclaim as a temporary variable when calculating
nr_pages. Finally give max_reclaim a more becoming name, which
uneqivocally shows at what this variable really holds. No functional
changes.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Nikolay Borisov 2019-01-03 10:50:05 +02:00 • committed by David Sterba

parent 4546d17874

commit 420829d8ea

1 changed files with 22 additions and 11 deletions

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fs/btrfs/extent-tree.c

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