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Add IO priority handling. Currently all IO has equal priority, except the dircache scanning thread which is lower. This fixes the slow boot problem for me, with the added benefit that actual audio playback also starts faster.

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Lots of the changes are due to changing storage_(read|write)sectors() from macros to wrapper functions. This means that they have to be called with IF_MD2(drive,) again.

Flyspray: FS#11167
Author: Frank Gevaerts


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25459 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Frank Gevaerts 2010-04-03 22:02:09 +00:00
parent ba7501513a
commit 376d8d577f
10 changed files with 220 additions and 102 deletions
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8
firmware/usbstack/usb_storage.c
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@ -353,7 +353,7 @@ static bool check_disk_present(IF_MD_NONVOID(int volume))
return true;
#else
unsigned char sector[SECTOR_SIZE];
return storage_read_sectors(volume,0,1,sector) == 0;
return storage_read_sectors(IF_MD2(volume,)0,1,sector) == 0;
#endif
}
@ -537,7 +537,7 @@ void usb_storage_transfer_complete(int ep,int dir,int status,int length)
cur_cmd.data[cur_cmd.data_select],
MIN(WRITE_BUFFER_SIZE/SECTOR_SIZE, cur_cmd.count)*SECTOR_SIZE);
#else
int result = storage_write_sectors(cur_cmd.lun,
int result = storage_write_sectors(IF_MD2(cur_cmd.lun,)
cur_cmd.sector,
MIN(WRITE_BUFFER_SIZE/SECTOR_SIZE, cur_cmd.count),
cur_cmd.data[cur_cmd.data_select]);
@ -726,7 +726,7 @@ static void send_and_read_next(void)
ramdisk_buffer + cur_cmd.sector*SECTOR_SIZE,
MIN(READ_BUFFER_SIZE/SECTOR_SIZE, cur_cmd.count)*SECTOR_SIZE);
#else
cur_cmd.last_result = storage_read_sectors(cur_cmd.lun,
cur_cmd.last_result = storage_read_sectors(IF_MD2(cur_cmd.lun,)
cur_cmd.sector,
MIN(READ_BUFFER_SIZE/SECTOR_SIZE, cur_cmd.count),
cur_cmd.data[cur_cmd.data_select]);
@ -1070,7 +1070,7 @@ static void handle_scsi(struct command_block_wrapper* cbw)
ramdisk_buffer + cur_cmd.sector*SECTOR_SIZE,
MIN(READ_BUFFER_SIZE/SECTOR_SIZE,cur_cmd.count)*SECTOR_SIZE);
#else
cur_cmd.last_result = storage_read_sectors(cur_cmd.lun,
cur_cmd.last_result = storage_read_sectors(IF_MD2(cur_cmd.lun,)
cur_cmd.sector,
MIN(READ_BUFFER_SIZE/SECTOR_SIZE, cur_cmd.count),
cur_cmd.data[cur_cmd.data_select]);