For filesystems with encoding (i.e. with case-insensitive support), set
the dentry operations for the super block with generic_set_sb_d_ops().
Also, use the upper layer encoding as the ovl super block encoding.
Signed-off-by: André Almeida <andrealmeid@xxxxxxxxxx>
---
fs/overlayfs/super.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index cfe8010616414a5ec0421b9ac5947596bfd0a5bd..5d55a287a8c0f69aeaf2ada862c59bd7eb7b10f2 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -1423,6 +1423,16 @@ int ovl_fill_super(struct super_block *sb, struct fs_context *fc)
sb->s_stack_depth = upper_sb->s_stack_depth;
sb->s_time_gran = upper_sb->s_time_gran;
+
+#if IS_ENABLED(CONFIG_UNICODE)
+ if (sb_has_encoding(upper_sb)) {
+ sb->s_encoding = upper_sb->s_encoding;
+ sb->s_encoding_flags = upper_sb->s_encoding_flags;
+ }
+
+ generic_set_sb_d_ops(sb);
+#endif
+
}
oe = ovl_get_lowerstack(sb, ctx, ofs, layers);
err = PTR_ERR(oe);
--
2.50.1
