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Fill the spefified area with zeros.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Useful for debugging purposes.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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iov_to_buf() has an 'offset' parameter, iov_from_buf() hasn't.
This patch adds the missing parameter to iov_from_buf().
It also renames the 'offset' parameter to 'iov_off' to
emphasize it's the offset into the iovec and not the buffer.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The iov functions can be useful to other code as well.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
CC: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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