| commit | a5b365a652206ca300256974ed9301a7d241a6ed | [log] [tgz] |
|---|---|---|
| author | Christoph Hellwig <hch@lst.de> | Tue May 25 14:17:54 2010 +0200 |
| committer | Rusty Russell <rusty@rustcorp.com.au> | Thu Jun 03 22:39:18 2010 +0930 |
| tree | 1898846dcce5b1815f8e13d7b0b610c83be1da7f | |
| parent | aef4b9aaae1decc775778903922bd0075cce7a88 [diff] |
virtio-blk: fix minimum number of S/G elements We need at least one S/G element to operate properly, as does the block layer which increments it to one anyway. We hit this due to a qemu bug which advertises a sg_elements of 0 under some circumstances. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (tweaked logic)