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f2fs: improve print log in f2fs_sanity_check_ckpt() 

As Park Ju Hyung suggested:

"I'd like to suggest to write down an actual version of f2fs-tools
here as we've seen older versions of fsck doing even more damage
and the users might not have the latest f2fs-tools installed."

This patch give a more detailed info of how we fix such corruption
to user to avoid damageable repair with low version fsck.

Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2019-07-11 09:29:15 +08:00 committed by Jaegeuk Kim
parent 56f3ce6751
commit 2d008835ec
1 changed files with 3 additions and 1 deletions
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4
fs/f2fs/super.c
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@ -2688,7 +2688,9 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
if (__is_set_ckpt_flags(ckpt, CP_LARGE_NAT_BITMAP_FLAG) &&
le32_to_cpu(ckpt->checksum_offset) != CP_MIN_CHKSUM_OFFSET) {
f2fs_warn(sbi, "layout of large_nat_bitmap is deprecated, run fsck to repair, chksum_offset: %u",
f2fs_warn(sbi, "using deprecated layout of large_nat_bitmap, "
"please run fsck v1.13.0 or higher to repair, chksum_offset: %u, "
"fixed with patch: \"f2fs-tools: relocate chksum_offset for large_nat_bitmap feature\"",
le32_to_cpu(ckpt->checksum_offset));
return 1;
}