commit | dcb8baeceaa1c629bbd06f472cea023ad08a0c33 | [log] [tgz] |
---|---|---|
author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | Tue Nov 02 11:55:58 2010 -0400 |
committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | Tue Nov 02 13:46:46 2010 -0400 |
tree | 72145e182cac0705e80553565356db24a41387e6 | |
parent | be2f8373c188ed1f5d36003c9928e4d695213080 [diff] |
xen/blkfront: cope with backend that fail empty BLKIF_OP_WRITE_BARRIER requests Some(?) Xen block backends fail BLKIF_OP_WRITE_BARRIER requests, which Linux uses as a cache flush operation. In that case, disable use of FLUSH. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: Daniel Stodden <daniel.stodden@citrix.com>