From: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Cc: Jaegeuk Kim <jaegeuk.kim@samsung.com>, linux-fsdevel@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net
Subject: [PATCH 03/15] f2fs: fix por_doing variable coverage
Date: Mon, 20 May 2013 12:32:17 +0900
Message-id: <1369020743-18520-3-git-send-email-jaegeuk.kim@samsung.com>
In-reply-to: <1369020743-18520-1-git-send-email-jaegeuk.kim@samsung.com>
References: <1369020743-18520-1-git-send-email-jaegeuk.kim@samsung.com>
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The reason of using sbi->por_doing is to alleviate data writes during the
recovery.
The find_fsync_dnodes() produces some dirty dentry pages, so we should
cover it too with sbi->por_doing.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
---
 fs/f2fs/recovery.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 993b601..f77aedd 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -377,6 +377,7 @@ int recover_fsync_data(struct f2fs_sb_info *sbi)
 	INIT_LIST_HEAD(&inode_list);
 
 	/* step #1: find fsynced inode numbers */
+	sbi->por_doing = 1;
 	err = find_fsync_dnodes(sbi, &inode_list);
 	if (err)
 		goto out;
@@ -385,13 +386,12 @@ int recover_fsync_data(struct f2fs_sb_info *sbi)
 		goto out;
 
 	/* step #2: recover data */
-	sbi->por_doing = 1;
 	err = recover_data(sbi, &inode_list, CURSEG_WARM_NODE);
-	sbi->por_doing = 0;
 	BUG_ON(!list_empty(&inode_list));
 out:
 	destroy_fsync_dnodes(sbi, &inode_list);
 	kmem_cache_destroy(fsync_entry_slab);
+	sbi->por_doing = 0;
 	write_checkpoint(sbi, false);
 	return err;
 }
-- 
1.8.1.3.566.gaa39828

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