mapping_read_folio_gfp() will return a folio, it should always be
uptodate, let's check folio uptodate status to detect any potenial
bug.
Signed-off-by: Chao Yu <c...@kernel.org>
---
fs/f2fs/super.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 0ee783224953..ea207a9edc10 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -2973,6 +2973,17 @@ static ssize_t f2fs_quota_read(struct super_block *sb,
int type, char *data,
goto repeat;
}
+ /*
+ * should never happen, just leave f2fs_bug_on() here to catch
+ * any potential bug.
+ */
+ if (unlikely(!folio_test_uptodate(folio))) {
+ f2fs_folio_put(folio, true);
+ set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR);
+ f2fs_bug_on(F2FS_SB(sb), 1);
+ return -EIO;
+ }
+
memcpy_from_folio(data, folio, offset, tocopy);
f2fs_folio_put(folio, true);
--
2.49.0
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