fs/ntfs3: Add headers and misc files

This adds headers and misc files

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>

fs/ntfs3/debug.h

@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ *
+ * Copyright (C) 2019-2021 Paragon Software GmbH, All rights reserved.
+ *
+ * useful functions for debuging
+ */
+
+// clang-format off
+#ifndef Add2Ptr
+#define Add2Ptr(P, I)		((void *)((u8 *)(P) + (I)))
+#define PtrOffset(B, O)		((size_t)((size_t)(O) - (size_t)(B)))
+#endif
+
+#define QuadAlign(n)		(((n) + 7u) & (~7u))
+#define IsQuadAligned(n)	(!((size_t)(n)&7u))
+#define Quad2Align(n)		(((n) + 15u) & (~15u))
+#define IsQuad2Aligned(n)	(!((size_t)(n)&15u))
+#define Quad4Align(n)		(((n) + 31u) & (~31u))
+#define IsSizeTAligned(n)	(!((size_t)(n) & (sizeof(size_t) - 1)))
+#define DwordAlign(n)		(((n) + 3u) & (~3u))
+#define IsDwordAligned(n)	(!((size_t)(n)&3u))
+#define WordAlign(n)		(((n) + 1u) & (~1u))
+#define IsWordAligned(n)	(!((size_t)(n)&1u))
+
+#ifdef CONFIG_PRINTK
+__printf(2, 3)
+void ntfs_printk(const struct super_block *sb, const char *fmt, ...);
+__printf(2, 3)
+void ntfs_inode_printk(struct inode *inode, const char *fmt, ...);
+#else
+static inline __printf(2, 3)
+void ntfs_printk(const struct super_block *sb, const char *fmt, ...)
+{
+}
+
+static inline __printf(2, 3)
+void ntfs_inode_printk(struct inode *inode, const char *fmt, ...)
+{
+}
+#endif
+
+/*
+ * Logging macros ( thanks Joe Perches <joe@perches.com> for implementation )
+ */
+
+#define ntfs_err(sb, fmt, ...)  ntfs_printk(sb, KERN_ERR fmt, ##__VA_ARGS__)
+#define ntfs_warn(sb, fmt, ...) ntfs_printk(sb, KERN_WARNING fmt, ##__VA_ARGS__)
+#define ntfs_info(sb, fmt, ...) ntfs_printk(sb, KERN_INFO fmt, ##__VA_ARGS__)
+#define ntfs_notice(sb, fmt, ...)                                              \
+	ntfs_printk(sb, KERN_NOTICE fmt, ##__VA_ARGS__)
+
+#define ntfs_inode_err(inode, fmt, ...)                                        \
+	ntfs_inode_printk(inode, KERN_ERR fmt, ##__VA_ARGS__)
+#define ntfs_inode_warn(inode, fmt, ...)                                       \
+	ntfs_inode_printk(inode, KERN_WARNING fmt, ##__VA_ARGS__)
+
+#define ntfs_malloc(s)		kmalloc(s, GFP_NOFS)
+#define ntfs_zalloc(s)		kzalloc(s, GFP_NOFS)
+#define ntfs_vmalloc(s)		kvmalloc(s, GFP_KERNEL)
+#define ntfs_free(p)		kfree(p)
+#define ntfs_vfree(p)		kvfree(p)
+#define ntfs_memdup(src, len)	kmemdup(src, len, GFP_NOFS)
+// clang-format on