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change qemu_iovec_to_buf() to match other to,from_buf functions

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It now allows specifying offset within qiov to start from and
amount of bytes to copy.  Actual implementation is just a call
to iov_to_buf().

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Michael Tokarev 2012-06-07 20:21:06 +04:00
parent 1b093c480a
commit d5e6b1619c
7 changed files with 10 additions and 15 deletions
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3
block/iscsi.c
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@ -240,8 +240,7 @@ iscsi_aio_writev(BlockDriverState *bs, int64_t sector_num,
/* this will allow us to get rid of 'buf' completely */
size = nb_sectors * BDRV_SECTOR_SIZE;
acb->buf = g_malloc(size);
qemu_iovec_to_buffer(acb->qiov, acb->buf);
qemu_iovec_to_buf(acb->qiov, 0, acb->buf, size);
acb->task = malloc(sizeof(struct scsi_task));
if (acb->task == NULL) {