From: Wanpeng Li <wanpeng.li@linux.intel.com>
Date: Fri, 6 Mar 2015 07:00:54 +0000 (+0800)
Subject: f2fs: fix extent cache memory leak
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=fdf6c8be337af72b066548f325abcbcdf626dea8;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

f2fs: fix extent cache memory leak

extent tree/node slab cache is created during f2fs insmod,
how, it isn't destroyed during f2fs rmmod, this patch fix
it by destroy extent tree/node slab cache once rmmod f2fs.

Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com>
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index e649f21121d2..0b8a2d8efa72 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1323,6 +1323,7 @@ static void __exit exit_f2fs_fs(void)
 	remove_proc_entry("fs/f2fs", NULL);
 	f2fs_destroy_root_stats();
 	unregister_filesystem(&f2fs_fs_type);
+	destroy_extent_cache();
 	destroy_checkpoint_caches();
 	destroy_segment_manager_caches();
 	destroy_node_manager_caches();