From: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Date: Mon, 11 Nov 2013 04:29:11 +0000 (+0900)
Subject: mkfs: remove stale node blocks
X-Git-Tag: v1.3.0~13
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ffbada4298c7aed059bb99a8d553d6dd555963c0;p=platform%2Fupstream%2Ff2fs-tools.git

mkfs: remove stale node blocks

If the device does not support discard, we should write zero blocks
to avoid roll-forward recovery.

Reported-and-tested-by: Huajun Li <huajun.li@intel.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
---

diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_format.c
index 8234b00..18ded79 100644
--- a/mkfs/f2fs_format.c
+++ b/mkfs/f2fs_format.c
@@ -788,7 +788,12 @@ static int f2fs_write_root_inode(void)
 
 	memset(raw_node, 0xff, sizeof(struct f2fs_node));
 
-	main_area_node_seg_blk_offset += F2FS_BLKSIZE;
+	/* avoid power-off-recovery based on roll-forward policy */
+	main_area_node_seg_blk_offset = le32_to_cpu(super_block.main_blkaddr);
+	main_area_node_seg_blk_offset += config.cur_seg[CURSEG_WARM_NODE] *
+					config.blks_per_seg;
+        main_area_node_seg_blk_offset *= blk_size_bytes;
+
 	if (dev_write(raw_node, main_area_node_seg_blk_offset, F2FS_BLKSIZE)) {
 		MSG(1, "\tError: While writing the raw_node to disk!!!\n");
 		return -1;