f2fs: do sanity check on inode footer in f2fs_get_inode_page()

This patch introduces a new wrapper f2fs_get_inode_page(), then, caller
can use it to load inode block to page cache, meanwhile it will do sanity
check on inode footer.

Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h
index 281d53c95c9a..5079c6a2298d 100644
--- a/fs/f2fs/node.h
+++ b/fs/f2fs/node.h
@@ -52,6 +52,12 @@ enum {
 	IS_PREALLOC,		/* nat entry is preallocated */
 };
 
+/* For node type in __get_node_folio() */
+enum node_type {
+	NODE_TYPE_REGULAR,
+	NODE_TYPE_INODE,
+};
+
 /*
  * For node information
  */