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> --- v2: - just add f2fs_bug_on(), get rid of error handling. fs/f2fs/super.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 0ee783224953..8c77a625427c 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2973,6 +2973,12 @@ 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. + */ + f2fs_bug_on(sbi, !folio_test_uptodate(folio)); + memcpy_from_folio(data, folio, offset, tocopy); f2fs_folio_put(folio, true); -- 2.49.0 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel