Am 12.03.2012 20:14, schrieb Michael Tokarev: > Similar to > qemu_iovec_memset(QEMUIOVector *qiov, size_t offset, > int c, size_t bytes); > the new prototype is: > qemu_iovec_from_buf(QEMUIOVector *qiov, size_t offset, > const void *buf, size_t bytes); > > The processing starts at offset bytes within qiov. > > This way, we may copy a bounce buffer directly to > a middle of qiov. > > This is exactly the same function as iov_from_buf() from > iov.c, so use the existing implementation and rename it > to qemu_iovec_from_buf() to be shorter and to match the > utility function. > > As with utility implementation, we now assert that the > offset is inside actual iovec. Nothing changed for > current callers, because `offset' parameter is new. > > While at it, stop using "bounce-qiov" in block/qcow2.c > and copy decrypted data directly from cluster_data > instead of recreating a temp qiov for doing that > (Cc'ing kwolf for this change).
Looks good to me. Kevin
