Index: linux-2.6.27.29-0.1/include/linux/blkdev.h
===================================================================
--- linux-2.6.27.29-0.1.orig/include/linux/blkdev.h
+++ linux-2.6.27.29-0.1/include/linux/blkdev.h
@@ -901,10 +901,10 @@ extern int blk_verify_command(struct blk
 			      unsigned char *cmd, int has_write_perm);
 extern void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter);
 
-#define MAX_PHYS_SEGMENTS 128
-#define MAX_HW_SEGMENTS 128
+#define MAX_PHYS_SEGMENTS 256
+#define MAX_HW_SEGMENTS 256
 #define SAFE_MAX_SECTORS 255
-#define BLK_DEF_MAX_SECTORS 1024
+#define BLK_DEF_MAX_SECTORS 2048
 
 #define MAX_SEGMENT_SIZE	65536
 
Index: linux-2.6.27.29-0.1/include/scsi/scsi.h
===================================================================
--- linux-2.6.27.29-0.1.orig/include/scsi/scsi.h
+++ linux-2.6.27.29-0.1/include/scsi/scsi.h
@@ -18,7 +18,7 @@
  * to SG_MAX_SINGLE_ALLOC to pack correctly at the highest order.  The
  * minimum value is 32
  */
-#define SCSI_MAX_SG_SEGMENTS	128
+#define SCSI_MAX_SG_SEGMENTS	256
 
 /*
  * Like SCSI_MAX_SG_SEGMENTS, but for archs that have sg chaining. This limit