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Commit 002d2680 authored by Surbhi Palande's avatar Surbhi Palande Committed by Greg Kroah-Hartman
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f2fs: check all the data segments against all node ones 



[ Upstream commit 1166c1f2f69117ad254189ca781287afa6e550b6 ]

As a part of the sanity checking while mounting, distinct segment number
assignment to data and node segments is verified. Fixing a small bug in
this verification between node and data segments. We need to check all
the data segments with all the node segments.

Fixes: 042be0f849e5f ("f2fs: fix to do sanity check with current segment number")
Signed-off-by: default avatarSurbhi Palande <csurbhi@gmail.com>
Reviewed-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 9f4f1df8

fs/f2fs/super.c

+2 −2
Original line number Diff line number Diff line
@@ -1557,11 +1557,11 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi) 
		}

	}

	for (i = 0; i < NR_CURSEG_NODE_TYPE; i++) {

		for (j = i; j < NR_CURSEG_DATA_TYPE; j++) {

		for (j = 0; j < NR_CURSEG_DATA_TYPE; j++) {

			if (le32_to_cpu(ckpt->cur_node_segno[i]) ==

				le32_to_cpu(ckpt->cur_data_segno[j])) {

				f2fs_msg(sbi->sb, KERN_ERR,

					"Data segment (%u) and Data segment (%u)"

					"Node segment (%u) and Data segment (%u)"

					" has the same segno: %u", i, j,

					le32_to_cpu(ckpt->cur_node_segno[i]));

				return 1;