vbatts/grub
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Rewrite blocklist functions in order to get progress when

Browse source 
reading large extents and decrease amount of blocklist hook calls.
This commit is contained in:
Vladimir Serbinenko 2013-11-01 23:28:03 +01:00
parent 896f913571
commit cb72aa1809
20 changed files with 220 additions and 181 deletions
Download patch file Download diff file Expand all files Collapse all files

15
grub-core/disk/ata.c
View file

@ -285,7 +285,6 @@ grub_ata_readwrite (grub_disk_t disk, grub_disk_addr_t sector,
if (addressing == GRUB_ATA_LBA48 && ((sector + size) >> 28) != 0)
{
batch = 65536;
if (ata->dma)
{
cmd = GRUB_ATA_CMD_READ_SECTORS_DMA_EXT;
@ -301,10 +300,6 @@ grub_ata_readwrite (grub_disk_t disk, grub_disk_addr_t sector,
{
if (addressing == GRUB_ATA_LBA48)
addressing = GRUB_ATA_LBA;
if (addressing != GRUB_ATA_CHS)
batch = 256;
else
batch = 1;
if (ata->dma)
{
cmd = GRUB_ATA_CMD_READ_SECTORS_DMA;
@ -317,8 +312,10 @@ grub_ata_readwrite (grub_disk_t disk, grub_disk_addr_t sector,
}
}
if (batch > (ata->maxbuffer >> ata->log_sector_size))
batch = (ata->maxbuffer >> ata->log_sector_size);
if (addressing != GRUB_ATA_CHS)
batch = 256;
else
batch = 1;
while (nsectors < size)
{
@ -464,6 +461,10 @@ grub_ata_open (const char *name, grub_disk_t disk)
return grub_error (GRUB_ERR_UNKNOWN_DEVICE, "not an ATA harddisk");
disk->total_sectors = ata->size;
disk->max_agglomerate = (ata->maxbuffer >> (GRUB_DISK_CACHE_BITS + GRUB_DISK_SECTOR_BITS));
if (disk->max_agglomerate > (256U >> (GRUB_DISK_CACHE_BITS + GRUB_DISK_SECTOR_BITS - ata->log_sector_size)))
disk->max_agglomerate = (256U >> (GRUB_DISK_CACHE_BITS + GRUB_DISK_SECTOR_BITS - ata->log_sector_size));
disk->log_sector_size = ata->log_sector_size;
disk->id = grub_make_scsi_id (id, bus, 0);