From ea4b63c25882603e3583921c4d18c448293b6125 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Wed, 11 Sep 2019 22:00:59 +0200
Subject: [SERVER] Make buffer when reading for crc check larger

---
 src/server/image.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/server/image.c b/src/server/image.c
index 822a710..6259e38 100644
--- a/src/server/image.c
+++ b/src/server/image.c
@@ -1643,7 +1643,7 @@ bool image_checkBlocksCrc32(const int fd, uint32_t *crc32list, const int *blocks
 static bool image_calcBlockCrc32(const int fd, const size_t block, const uint64_t realFilesize, uint32_t *crc)
 {
 	// Make buffer 4k aligned in case fd has O_DIRECT set
-#define BSIZE 262144
+#define BSIZE (512*1024)
 	char rawBuffer[BSIZE + DNBD3_BLOCK_SIZE];
 	char * const buffer = (char*)( ( (uintptr_t)rawBuffer + ( DNBD3_BLOCK_SIZE - 1 ) ) & ~( DNBD3_BLOCK_SIZE - 1 ) );
 	// How many bytes to read from the input file
-- 
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