[PATCH 05/10] btrfs-progs: adjust function btrfs_lookup_first_block_group_kernel

From: damenly.su@gmail.com
To: linux-btrfs@vger.kernel.org
Cc: Su Yue <Damenly_Su@gmx.com>
Subject: [PATCH 05/10] btrfs-progs: adjust function btrfs_lookup_first_block_group_kernel
Date: Thu,  5 Dec 2019 12:29:16 +0800	[thread overview]
Message-ID: <20191205042921.25316-6-Damenly_Su@gmx.com> (raw)
In-Reply-To: <20191205042921.25316-1-Damenly_Su@gmx.com>

From: Su Yue <Damenly_Su@gmx.com>

The are different behavior of btrfs_lookup_first_block_group() and
btrfs_lookup_first_block_group_kernel(). Unify the latter' behavior.

Signed-off-by: Su Yue <Damenly_Su@gmx.com>
---
 extent-tree.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/extent-tree.c b/extent-tree.c
index 1d8535049eaf..274dfe540b1f 100644
--- a/extent-tree.c
+++ b/extent-tree.c
@@ -243,12 +243,13 @@ static struct btrfs_block_group_cache *block_group_cache_tree_search(
 }
 
 /*
- * Return the block group that starts at or after bytenr
+ * Return the block group that contains @bytenr, otherwise return the next one
+ * that starts after @bytenr
  */
 struct btrfs_block_group_cache *btrfs_lookup_first_block_group_kernel(
 		struct btrfs_fs_info *info, u64 bytenr)
 {
-	return block_group_cache_tree_search(info, bytenr, 0);
+	return block_group_cache_tree_search(info, bytenr, 2);
 }
 
 /*
-- 
2.21.0 (Apple Git-122)

