From: Kent Overstreet <kent.overstreet@gmail.com>
Date: Tue, 21 Aug 2018 19:19:33 +0000 (-0400)
Subject: bcachefs: Prioritize fragmentation in bucket allocator
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f84306a5700fba38050ad14ab46ed86aea321aba;p=linux.git

bcachefs: Prioritize fragmentation in bucket allocator

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---

diff --git a/fs/bcachefs/alloc.c b/fs/bcachefs/alloc.c
index 82f27a57dc610..73c11f808edcd 100644
--- a/fs/bcachefs/alloc.c
+++ b/fs/bcachefs/alloc.c
@@ -610,7 +610,7 @@ static unsigned long bucket_sort_key(struct bch_fs *c, struct bch_dev *ca,
 
 	return  (data_wantness << 9) |
 		(needs_journal_commit << 8) |
-		bucket_gc_gen(ca, b);
+		(bucket_gc_gen(ca, b) / 16);
 }
 
 static inline int bucket_alloc_cmp(alloc_heap *h,