diff options
| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-05-05 01:07:27 +0400 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-05-05 21:43:24 +0400 |
| commit | 24f567f952aa308c3352f3340b9d296fc72bd066 (patch) | |
| tree | 6cbc385ed612254b9eb0a77c0934804f85697e94 /drivers/block/xen-blkback/common.h | |
| parent | 73d842af27b863cbc816e75003edbc287bf57130 (diff) | |
| download | linux-24f567f952aa308c3352f3340b9d296fc72bd066.tar.xz | |
xen/blkback: Add support for BLKIF_OP_FLUSH_DISKCACHE and drop BLKIF_OP_WRITE_BARRIER.
We drop the support for 'feature-barrier' and add in the support
for the 'feature-flush-cache' if the real backend storage supports
flushing.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/block/xen-blkback/common.h')
| -rw-r--r-- | drivers/block/xen-blkback/common.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index 16af388268e7..af93837e1295 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -53,6 +53,7 @@ struct vbd { u32 pdevice; /* phys device that this vbd maps to */ struct block_device *bdev; sector_t size; /* Cached size parameter */ + bool flush_support; }; struct backend_info; @@ -85,7 +86,7 @@ struct blkif_st { int st_rd_req; int st_wr_req; int st_oo_req; - int st_br_req; + int st_f_req; int st_rd_sect; int st_wr_sect; @@ -120,8 +121,8 @@ int xen_blkif_xenbus_init(void); irqreturn_t xen_blkif_be_int(int irq, void *dev_id); int xen_blkif_schedule(void *arg); -int xen_blkbk_barrier(struct xenbus_transaction xbt, - struct backend_info *be, int state); +int xen_blkbk_flush_diskcache(struct xenbus_transaction xbt, + struct backend_info *be, int state); struct xenbus_device *xen_blkbk_xenbus(struct backend_info *be); |