Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 8e9427a..d131c8e 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -261,6 +261,7 @@
 		}
 		truncate_setsize(inode, attr->ia_size);
 		hfsplus_file_truncate(inode);
+		inode->i_mtime = inode->i_ctime = current_time(inode);
 	}
 
 	setattr_copy(inode, attr);
@@ -269,6 +270,26 @@
 	return 0;
 }
 
+int hfsplus_getattr(const struct path *path, struct kstat *stat,
+		    u32 request_mask, unsigned int query_flags)
+{
+	struct inode *inode = d_inode(path->dentry);
+	struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
+
+	if (inode->i_flags & S_APPEND)
+		stat->attributes |= STATX_ATTR_APPEND;
+	if (inode->i_flags & S_IMMUTABLE)
+		stat->attributes |= STATX_ATTR_IMMUTABLE;
+	if (hip->userflags & HFSPLUS_FLG_NODUMP)
+		stat->attributes |= STATX_ATTR_NODUMP;
+
+	stat->attributes_mask |= STATX_ATTR_APPEND | STATX_ATTR_IMMUTABLE |
+				 STATX_ATTR_NODUMP;
+
+	generic_fillattr(inode, stat);
+	return 0;
+}
+
 int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
 		       int datasync)
 {
@@ -328,6 +349,7 @@
 
 static const struct inode_operations hfsplus_file_inode_operations = {
 	.setattr	= hfsplus_setattr,
+	.getattr	= hfsplus_getattr,
 	.listxattr	= hfsplus_listxattr,
 };