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| author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2010-11-02 16:55:58 +0100 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2010-11-02 18:46:46 +0100 |
| commit | dcb8baeceaa1c629bbd06f472cea023ad08a0c33 (patch) | |
| tree | 72145e182cac0705e80553565356db24a41387e6 /lib/swiotlb.c | |
| parent | xen/blkfront: Implement FUA with BLKIF_OP_WRITE_BARRIER (diff) | |
| download | linux-dcb8baeceaa1c629bbd06f472cea023ad08a0c33.tar.xz linux-dcb8baeceaa1c629bbd06f472cea023ad08a0c33.zip | |
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>
Diffstat (limited to 'lib/swiotlb.c')
0 files changed, 0 insertions, 0 deletions