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Description: Bump the values of GRUB_DISK_CACHE_SIZE and GRUB_DISK_CACHE_BITS
on EFI systems (and only on EFI sytems) to dramatically reduce the load times
for vmlinux and initrd. Forwarding this isn't required as upstream trunk
has completely rewritten how this all works.
Author: Adam Conrad <adconrad@debian.org>
Origin: other, http://blog.fpmurphy.com/2010/03/grub2-efi-support.html
Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/944347
Forwarded: not-needed
Last-Update: 2012-03-05
Index: b/include/grub/disk.h
===================================================================
--- a/include/grub/disk.h
+++ b/include/grub/disk.h
@@ -137,7 +137,11 @@
/* The size of a disk cache in 512B units. Must be at least as big as the
largest supported sector size, currently 16K. */
+#ifdef GRUB_MACHINE_EFI
+#define GRUB_DISK_CACHE_BITS 10
+#else
#define GRUB_DISK_CACHE_BITS 6
+#endif
#define GRUB_DISK_CACHE_SIZE (1 << GRUB_DISK_CACHE_BITS)
/* Return value of grub_disk_get_size() in case disk size is unknown. */
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