f2fs: print message if fscorrupted was found in f2fs_new_node_page()

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>

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 7d904f2..0b900a7 100644 (file)
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1338,7 +1338,12 @@ 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