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Initial variable sector size support

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Vladimir 'phcoder' Serbinenko committed 2011-03-29 02:02:55 +02:00
1 parent f329eda79e
commit 09573499ff
7 files changed
+155 -96
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include/grub/disk.h
+7 -3
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@@ -100,6 +100,9 @@ struct grub_disk
/* The total number of sectors. */
grub_uint64_t total_sectors;
/* Logarithm of sector size. */
unsigned int log_sector_size;
/* The id used by the disk cache manager. */
unsigned long id;
@@ -132,9 +135,10 @@ typedef struct grub_disk_memberlist *grub_disk_memberlist_t;
/* The maximum number of disk caches. */
#define GRUB_DISK_CACHE_NUM 1021
/* The size of a disk cache in sector units. */
#define GRUB_DISK_CACHE_SIZE 8
#define GRUB_DISK_CACHE_BITS 3
/* 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
#define GRUB_DISK_CACHE_SIZE (1 << GRUB_DISK_CACHE_BITS)
/* Return value of grub_disk_get_size() in case disk size is unknown. */
#define GRUB_DISK_SIZE_UNKNOWN 0xffffffffffffffffULL