svn commit: r322413 - head/sys/sys

[Mark Johnston]

Author: markj
Date: Fri Aug 11 19:24:08 2017
New Revision: 322413
URL: https://svnweb.freebsd.org/changeset/base/322413

Log:
  Bump KERNELDUMP_BUFFER_SIZE to 4096.
  
  The encrypted kernel dump code writes data in blocks of this size. A buffer
  size of 4096 allows encrypted dumps to work with 4Kn drives.
  
  Reviewed by:	cem
  Sponsored by:	Dell EMC Isilon
  Differential Revision:	https://reviews.freebsd.org/D11870

Modified:
  head/sys/sys/kerneldump.h

Modified: head/sys/sys/kerneldump.h
==============================================================================
--- head/sys/sys/kerneldump.h	Fri Aug 11 19:21:40 2017	(r322412)
+++ head/sys/sys/kerneldump.h	Fri Aug 11 19:24:08 2017	(r322413)
@@ -58,7 +58,7 @@
 #define	KERNELDUMP_ENC_NONE		0
 #define	KERNELDUMP_ENC_AES_256_CBC	1
 
-#define	KERNELDUMP_BUFFER_SIZE		1024
+#define	KERNELDUMP_BUFFER_SIZE		4096
 #define	KERNELDUMP_IV_MAX_SIZE		32
 #define	KERNELDUMP_KEY_MAX_SIZE		64
 #define	KERNELDUMP_ENCKEY_MAX_SIZE	(16384 / 8)