static size_t bdev_read(struct file_desc *desc, void *buf, size_t size) {
int n_read = block_dev_read_buffered((block_dev_t *) desc->node->nas->fi->privdata,
buf, size, desc->cursor);
if (n_read > 0) {
desc->cursor += n_read;
}
return n_read;
}
static int flash_emu_read (struct flash_dev *dev,
uint32_t base, void* data, size_t len) {
block_dev_t *bdev;
bdev = dev->privdata;
if(NULL == bdev) {
return -ENODEV;
}
return block_dev_read_buffered(bdev, (char *) data,
len, (uint32_t) base);
}
static int tmpfs_read_sector(struct nas *nas, char *buffer,
uint32_t count, uint32_t sector) {
struct tmpfs_fs_info *fsi;
fsi = nas->fs->fsi;
if(0 > block_dev_read_buffered(nas->fs->bdev, buffer,
count * fsi->block_size, sector * fsi->block_size)) {
return -1;
}
else {
return count;
}
}
