From 007c14af30fecae5038046d1ae80819364c5521a Mon Sep 17 00:00:00 2001
From: Ilya Dryomov <idryomov@gmail.com>
Date: Mon, 21 Jan 2013 15:15:56 +0200
Subject: [PATCH] --- yaml --- r: 349175 b: refs/heads/master c:
 a105bb88f46b60de2adf1ee98745bd59362b09ab h: refs/heads/master i:   349173:
 87c6421c0983b48baaae7532f80cbb2e2f715b8e   349171:
 76f598ea15cb84fe0010d2fc3ad069b2406c14be   349167:
 8da8d71c18b269d26372ed426232564f24266c6f v: v3

---
 [refs]                   | 2 +-
 trunk/fs/btrfs/volumes.c | 9 ++++++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index ea31d5392980..c45959cc1a28 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 83bfccb5c085658b0ad1450a6fc13b0bb5440970
+refs/heads/master: a105bb88f46b60de2adf1ee98745bd59362b09ab
diff --git a/trunk/fs/btrfs/volumes.c b/trunk/fs/btrfs/volumes.c
index 9c84dbe64f18..469609838913 100644
--- a/trunk/fs/btrfs/volumes.c
+++ b/trunk/fs/btrfs/volumes.c
@@ -2614,7 +2614,14 @@ static int chunk_usage_filter(struct btrfs_fs_info *fs_info, u64 chunk_offset,
 	cache = btrfs_lookup_block_group(fs_info, chunk_offset);
 	chunk_used = btrfs_block_group_used(&cache->item);
 
-	user_thresh = div_factor_fine(cache->key.offset, bargs->usage);
+	if (bargs->usage == 0)
+		user_thresh = 0;
+	else if (bargs->usage > 100)
+		user_thresh = cache->key.offset;
+	else
+		user_thresh = div_factor_fine(cache->key.offset,
+					      bargs->usage);
+
 	if (chunk_used < user_thresh)
 		ret = 0;