return 0;
do {
size_t chunk = min_t(size_t, n, PAGE_SIZE - r);
- char *p = kmap_atomic(pipe->bufs[i_head & p_mask].page);
+ char *p = kmap_local_page(pipe->bufs[i_head & p_mask].page);
sum = csum_and_memcpy(p + r, addr, chunk, sum, off);
- kunmap_atomic(p);
+ kunmap_local(p);
i->head = i_head;
i->iov_offset = r + chunk;
n -= chunk;
}
iterate_and_advance(i, bytes, base, len, off, ({
next = csum_and_copy_from_user(base, addr + off, len);
- if (next)
- sum = csum_block_add(sum, next, off);
+ sum = csum_block_add(sum, next, off);
next ? 0 : len;
}), ({
sum = csum_and_memcpy(addr + off, base, len, sum, off);
}
iterate_and_advance(i, bytes, base, len, off, ({
next = csum_and_copy_to_user(addr + off, base, len);
- if (next)
- sum = csum_block_add(sum, next, off);
+ sum = csum_block_add(sum, next, off);
next ? 0 : len;
}), ({
sum = csum_and_memcpy(base, addr + off, len, sum, off);