diff options
| author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2013-01-14 18:30:30 +0000 |
|---|---|---|
| committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2013-01-14 18:30:30 +0000 |
| commit | 7e7b7cba16faa7b721b822fa9ed8bebafa35700f (patch) | |
| tree | a179e9a1d551c1264991a7777c50581d0ea5f179 /hw/xen_disk.c | |
| parent | 9e496d7458bb01b717afe22db10a724db57d53fd (diff) | |
xen_disk: implement BLKIF_OP_FLUSH_DISKCACHE, remove BLKIF_OP_WRITE_BARRIER
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Diffstat (limited to 'hw/xen_disk.c')
| -rw-r--r-- | hw/xen_disk.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/hw/xen_disk.c b/hw/xen_disk.c index 9ee72a0ded..7fea87156d 100644 --- a/hw/xen_disk.c +++ b/hw/xen_disk.c @@ -243,12 +243,11 @@ static int ioreq_parse(struct ioreq *ioreq) case BLKIF_OP_READ: ioreq->prot = PROT_WRITE; /* to memory */ break; - case BLKIF_OP_WRITE_BARRIER: + case BLKIF_OP_FLUSH_DISKCACHE: + ioreq->presync = 1; if (!ioreq->req.nr_segments) { - ioreq->presync = 1; return 0; } - ioreq->presync = ioreq->postsync = 1; /* fall through */ case BLKIF_OP_WRITE: ioreq->prot = PROT_READ; /* from memory */ @@ -509,7 +508,7 @@ static int ioreq_runio_qemu_aio(struct ioreq *ioreq) qemu_aio_complete, ioreq); break; case BLKIF_OP_WRITE: - case BLKIF_OP_WRITE_BARRIER: + case BLKIF_OP_FLUSH_DISKCACHE: if (!ioreq->req.nr_segments) { break; } @@ -794,7 +793,7 @@ static int blk_init(struct XenDevice *xendev) blkdev->file_size, blkdev->file_size >> 20); /* fill info */ - xenstore_write_be_int(&blkdev->xendev, "feature-barrier", 1); + xenstore_write_be_int(&blkdev->xendev, "feature-flush-cache", 1); xenstore_write_be_int(&blkdev->xendev, "feature-persistent", 1); xenstore_write_be_int(&blkdev->xendev, "info", info); xenstore_write_be_int(&blkdev->xendev, "sector-size", blkdev->file_blk); |