first commit

1 files changed, 27 insertions, 0 deletions

diff --git a/include/linux/lz4k.h b/include/linux/lz4k.h
new file mode 100644
index 000000000..e31c5042f
--- /dev/null
+++ b/include/linux/lz4k.h
@@ -0,0 +1,27 @@
+
+#ifndef __LZ4K_H__
+#define __LZ4K_H__
+
+#include <linux/types.h>
+#include <linux/lzo.h>
+
+#define LZ4K_TAG 1261722188	/* "LZ4K" */
+
+#ifndef CONFIG_64BIT
+#define LZ4K_MEM_COMPRESS LZO1X_MEM_COMPRESS
+#else
+#define LZ4K_MEM_COMPRESS (LZO1X_MEM_COMPRESS << 1)
+#endif
+
+int lz4k_compress(const unsigned char *src, size_t src_len,
+		  unsigned char *dst, size_t *dst_len, void *wrkmem);
+
+int lz4k_decompress_safe(const unsigned char *src, size_t src_len,
+			 unsigned char *dst, size_t *dst_len);
+
+#ifdef CONFIG_UBIFS_FS
+int lz4k_decompress_ubifs(const unsigned char *src, size_t src_len,
+			  unsigned char *dst, size_t *dst_len);
+#endif				/* CONFIG_UBIFS_FS */
+
+#endif				/* __LZ4K_H__ */