fsck.f2fs: read nat block if nat entry is invalid

fsck will cache all valid nat entries in memory. But when we try to
get a nat entry which is not cached, for example allocate a new nid
during reconnecting files, we need to read the uncached nat entry
from nat block again.

Signed-off-by: Sheng Yong <shengyong1@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fsck/mount.c b/fsck/mount.c
index 19853e3..ab60a9b 100644 (file)
--- a/fsck/mount.c
+++ b/fsck/mount.c
@@ -1610,7 +1610,9 @@ void get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni)
        ni->nid = nid;
        if (c.func == FSCK) {
                node_info_from_raw_nat(ni, &(F2FS_FSCK(sbi)->entries[nid]));
-               return;
+               if (ni->blk_addr)
+                       return;
+               /* nat entry is not cached, read it */
        }
 
        get_nat_entry(sbi, nid, &raw_nat);