tree 7c0bc0f4f0ab2d7424d3d162e56f394ef11c5584
parent 1d44952fc7f4de113eae892401e4d50ee476e82e
author Christoph Hellwig <hch@lst.de> 1263935739 +0100
committer Anthony Liguori <aliguori@us.ibm.com> 1263999100 -0600

block: prevent multiwrite_merge from creating too large iovecs

If we go over the maximum number of iovecs support by syscall we get
back EINVAL from the kernel which translate to I/O errors for the guest.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>