diff options
Diffstat (limited to 'block.c')
| -rw-r--r-- | block.c | 32 |
1 files changed, 0 insertions, 32 deletions
@@ -527,14 +527,6 @@ int bdrv_read(BlockDriverState *bs, int64_t sector_num, if (!drv) return -ENOMEDIUM; - if (sector_num == 0 && bs->boot_sector_enabled && nb_sectors > 0) { - memcpy(buf, bs->boot_sector_data, 512); - sector_num++; - nb_sectors--; - buf += 512; - if (nb_sectors == 0) - return 0; - } if (drv->bdrv_pread) { int ret, len; len = nb_sectors * 512; @@ -567,9 +559,6 @@ int bdrv_write(BlockDriverState *bs, int64_t sector_num, return -ENOMEDIUM; if (bs->read_only) return -EACCES; - if (sector_num == 0 && bs->boot_sector_enabled && nb_sectors > 0) { - memcpy(bs->boot_sector_data, buf, 512); - } if (drv->bdrv_pwrite) { int ret, len; len = nb_sectors * 512; @@ -750,16 +739,6 @@ void bdrv_get_geometry(BlockDriverState *bs, uint64_t *nb_sectors_ptr) *nb_sectors_ptr = length; } -/* force a given boot sector. */ -void bdrv_set_boot_sector(BlockDriverState *bs, const uint8_t *data, int size) -{ - bs->boot_sector_enabled = 1; - if (size > 512) - size = 512; - memcpy(bs->boot_sector_data, data, size); - memset(bs->boot_sector_data + size, 0, 512 - size); -} - void bdrv_set_geometry_hint(BlockDriverState *bs, int cyls, int heads, int secs) { @@ -1155,14 +1134,6 @@ BlockDriverAIOCB *bdrv_aio_read(BlockDriverState *bs, int64_t sector_num, if (!drv) return NULL; - /* XXX: we assume that nb_sectors == 0 is suppored by the async read */ - if (sector_num == 0 && bs->boot_sector_enabled && nb_sectors > 0) { - memcpy(buf, bs->boot_sector_data, 512); - sector_num++; - nb_sectors--; - buf += 512; - } - ret = drv->bdrv_aio_read(bs, sector_num, buf, nb_sectors, cb, opaque); if (ret) { @@ -1185,9 +1156,6 @@ BlockDriverAIOCB *bdrv_aio_write(BlockDriverState *bs, int64_t sector_num, return NULL; if (bs->read_only) return NULL; - if (sector_num == 0 && bs->boot_sector_enabled && nb_sectors > 0) { - memcpy(bs->boot_sector_data, buf, 512); - } ret = drv->bdrv_aio_write(bs, sector_num, buf, nb_sectors, cb, opaque); |