f2fs: introduce and spread verify_blkaddr
This patch introduces verify_blkaddr to check meta/data block address
with valid range to detect bug earlier.
In addition, once we encounter an invalid blkaddr, notice user to run
fsck to fix, and let the kernel panic.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 221fa92..bb97cd4 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1919,7 +1919,7 @@
struct seg_entry *se;
bool is_cp = false;
- if (!is_valid_blkaddr(blkaddr))
+ if (!is_valid_data_blkaddr(sbi, blkaddr))
return true;
down_read(&sit_i->sentry_lock);
@@ -2994,7 +2994,7 @@
{
struct page *cpage;
- if (!is_valid_blkaddr(blkaddr))
+ if (!is_valid_data_blkaddr(sbi, blkaddr))
return;
cpage = find_lock_page(META_MAPPING(sbi), blkaddr);