[PATCH AUTOSEL 6.12 13/15] f2fs: print message if fscorrupted was found in f2fs_new_node_page()

Sasha Levin
2024-12-04T17:11:52Z

From: Chao Yu <chao@kernel.org>

[ Upstream commit 81520c684ca67aea6a589461a3caebb9b11dcc90 ]

If fs corruption occurs in f2fs_new_node_page(), let's print
more information about corrupted metadata into kernel log.

Meanwhile, it updates to record ERROR_INCONSISTENT_NAT instead
of ERROR_INVALID_BLKADDR if blkaddr in nat entry is not
NULL_ADDR which means nat bitmap and nat entry is inconsistent.

Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/f2fs/node.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 59b13ff243fa8..601ae810349fe 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1331,7 +1331,12 @@ struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs)
err = -EFSCORRUPTED;
dec_valid_node_count(sbi, dn->inode, !ofs);
set_sbi_flag(sbi, SBI_NEED_FSCK);
- f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
+ f2fs_warn_ratelimited(sbi,
+ "f2fs_new_node_page: inconsistent nat entry, "
+ "ino:%u, nid:%u, blkaddr:%u, ver:%u, flag:%u",
+ new_ni.ino, new_ni.nid, new_ni.blk_addr,
+ new_ni.version, new_ni.flag);
+ f2fs_handle_error(sbi, ERROR_INCONSISTENT_NAT);
goto fail;
}
#endif
--
2.43.0