From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Fri, 29 Jun 2018 02:34:40 +0000 (-0700)
Subject: f2fs: flush journal nat entries for nat_bits during unmount
X-Git-Tag: rel_imx_4.19.35_1.1.0~9425^2~88
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=7f2ecdd837ae0a27149a0387b2534e11d955c5f8;p=linux.git

f2fs: flush journal nat entries for nat_bits during unmount

Let's flush journal nat entries for speed up in the next run.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 10643b11bd59..b0267d3823b4 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -2582,6 +2582,13 @@ void f2fs_flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc)
 	nid_t set_idx = 0;
 	LIST_HEAD(sets);
 
+	/* during unmount, let's flush nat_bits before checking dirty_nat_cnt */
+	if (enabled_nat_bits(sbi, cpc)) {
+		down_write(&nm_i->nat_tree_lock);
+		remove_nats_in_journal(sbi);
+		up_write(&nm_i->nat_tree_lock);
+	}
+
 	if (!nm_i->dirty_nat_cnt)
 		return;