From 6d6455b271ac99c5862691620e1217ed7b3b78b4 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Thu, 10 Dec 2015 16:15:21 +0100
Subject: [SERVER] Nullpad images virtually at runtime instead of padding the
 actual file

---
 src/server/globals.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/server/globals.h')

diff --git a/src/server/globals.h b/src/server/globals.h
index 9024a46..837fc2a 100644
--- a/src/server/globals.h
+++ b/src/server/globals.h
@@ -103,7 +103,8 @@ struct _dnbd3_image
 	uint32_t *crc32;       // list of crc32 checksums for each 16MiB block in image
 	uint32_t masterCrc32;  // CRC-32 of the crc-32 list
 	dnbd3_connection_t *uplink; // pointer to a server connection
-	uint64_t filesize;     // size of image
+	uint64_t virtualFilesize;   // virtual size of image (real size rounded up to multiple of 4k)
+	uint64_t realFilesize;      // actual file size on disk
 	int readFd;            // used to read the image. Used from multiple threads, so use atomic operations (pread et al)
 	int cacheFd;           // used to write to the image, in case it is relayed. ONLY USE FROM UPLINK THREAD!
 	int rid;               // revision of image
-- 
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