Commit f84262b0 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: avoid infinite loop in f2fs_alloc_nid 



If we have an error in f2fs_build_free_nids, we're able to fall into a loop
to find free nids.

Suggested-by: default avatarChao Yu <chao@kernel.org>
Reviewed-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent a7d10cf3

fs/f2fs/node.c

+3 −2
Original line number Diff line number Diff line
@@ -2350,8 +2350,9 @@ bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid) 
	spin_unlock(&nm_i->nid_list_lock);



	/* Let's scan nat pages and its caches to get free nids */

	f2fs_build_free_nids(sbi, true, false);

	if (!f2fs_build_free_nids(sbi, true, false))

		goto retry;

	return false;

}



/*