f2fs: update start nid only once each circle

Integrated a couple of minor changes for better readability suggested by
Chao Yu.

Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 8c1411060e7ec513b8c7fff0ce1a9493cea75376..77b61893fc8de57e51476ef53c6999fece9ebe3f 100644 (file)
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1875,11 +1875,9 @@ void destroy_node_manager(struct f2fs_sb_info *sbi)
        while ((found = __gang_lookup_nat_cache(nm_i,
                                        nid, NATVEC_SIZE, natvec))) {
                unsigned idx;
-               for (idx = 0; idx < found; idx++) {
-                       struct nat_entry *e = natvec[idx];
-                       nid = nat_get_nid(e) + 1;
-                       __del_from_nat_cache(nm_i, e);
-               }
+               nid = nat_get_nid(natvec[found - 1]) + 1;
+               for (idx = 0; idx < found; idx++)
+                       __del_from_nat_cache(nm_i, natvec[idx]);
        }
        f2fs_bug_on(nm_i->nat_cnt);
        write_unlock(&nm_i->nat_tree_lock);