From: Jaegeuk Kim jaegeuk@kernel.org
commit e6ecb142429183cef4835f31d4134050ae660032 upstream.
If block address is still alive, we should give a valid node block even after shutdown. Otherwise, we can see zero data when reading out a file.
Cc: stable@vger.kernel.org Fixes: 83a3bfdb5a8a ("f2fs: indicate shutdown f2fs to allow unmount successfully") Reviewed-by: Chao Yu chao@kernel.org Signed-off-by: Jaegeuk Kim jaegeuk@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/f2fs/node.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1357,8 +1357,7 @@ static int read_node_page(struct page *p return err;
/* NEW_ADDR can be seen, after cp_error drops some dirty node pages */ - if (unlikely(ni.blk_addr == NULL_ADDR || ni.blk_addr == NEW_ADDR) || - is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN)) { + if (unlikely(ni.blk_addr == NULL_ADDR || ni.blk_addr == NEW_ADDR)) { ClearPageUptodate(page); return -ENOENT; }