Commit e6ecb142 authored Nov 08, 2022 by Jaegeuk Kim

f2fs: allow to read node block after shutdown



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: 83a3bfdb ("f2fs: indicate shutdown f2fs to allow unmount successfully")
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

parent 3b21b794

fs/f2fs/node.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -1360,8 +1360,7 @@ static int read_node_page(struct page *page, blk_opf_t op_flags)
		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;
		}