From: Li Zefan <lizf@cn.fujitsu.com>
Date: Mon, 25 Apr 2011 23:43:52 +0000 (-0400)
Subject: Btrfs: Free free_space item properly in btrfs_trim_block_group()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f789b684bdb96e7ec2fce79445555d4fd55fb94c;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

Btrfs: Free free_space item properly in btrfs_trim_block_group()

Since commit dc89e9824464e91fa0b06267864ceabe3186fd8b, we've changed
to use a specific slab for alocation of free_space items.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 11d2e9cea09e..13c29b12a213 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -2301,7 +2301,7 @@ int btrfs_trim_block_group(struct btrfs_block_group_cache *block_group,
 			start = entry->offset;
 			bytes = min(entry->bytes, end - start);
 			unlink_free_space(block_group, entry);
-			kfree(entry);
+			kmem_cache_free(btrfs_free_space_cachep, entry);
 		}
 
 		spin_unlock(&block_group->tree_lock);