[PATCH 2/2] disk: increase sector size up to 127 for LBA reads

[ValdikSS]

According to Wikipedia and various sources, the recommended
value for LBA read using IBM/MS INT13 Extensions is 127 sectors.
---
 include/grub/disk.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/grub/disk.h b/include/grub/disk.h
index be032a72c..608deb034 100644
--- a/include/grub/disk.h
+++ b/include/grub/disk.h
@@ -184,14 +184,14 @@ typedef struct grub_disk_memberlist 
*grub_disk_memberlist_t;
 #define GRUB_MDRAID_MAX_DISKS  4096
 
 /* The size of a disk cache in 512B units. Must be at least as big as the
-   largest supported sector size, currently 16K.  */
-#define GRUB_DISK_CACHE_BITS   6
+   largest supported sector size, currently 64K.  */
+#define GRUB_DISK_CACHE_BITS   7
 #define GRUB_DISK_CACHE_SIZE   (1 << GRUB_DISK_CACHE_BITS)
 
 #define GRUB_DISK_MAX_MAX_AGGLOMERATE ((1 << (30 - GRUB_DISK_CACHE_BITS - 
GRUB_DISK_SECTOR_BITS)) - 1)
 
 /* Maximum number of sectors to read in LBA mode at once */
-#define GRUB_DISK_MAX_LBA_SECTORS 63
+#define GRUB_DISK_MAX_LBA_SECTORS 127
 
 /* Return value of grub_disk_native_sectors() in case disk size is unknown. */
 #define GRUB_DISK_SIZE_UNKNOWN  0xffffffffffffffffULL
-- 
2.41.0