Author: gibbs
Date: Tue Sep 3 13:49:00 2013
New Revision: 255179
URL: http://svnweb.freebsd.org/changeset/base/255179
Log:
sys/dev/xen/blkback/blkback.c:
Initialize the request id for requests in xbb_get_resources()
instead of its previous location in xbb_dispatch_io(). This
guarantees that all request types (e.g. BLKIF_OP_FLUSH_DISKCACHE)
have the front-end specified id recorded.
Submitted by: Roger Pau Monné
Sponsored by: Citrix Systems R&D
Modified:
head/sys/dev/xen/blkback/blkback.c
Modified: head/sys/dev/xen/blkback/blkback.c
==============================================================================
--- head/sys/dev/xen/blkback/blkback.c Tue Sep 3 13:40:24 2013
(r255178)
+++ head/sys/dev/xen/blkback/blkback.c Tue Sep 3 13:49:00 2013
(r255179)
@@ -1239,6 +1239,7 @@ xbb_get_resources(struct xbb_softc *xbb,
nreq->reqlist = *reqlist;
nreq->req_ring_idx = ring_idx;
+ nreq->id = ring_req->id;
if (xbb->abi != BLKIF_PROTOCOL_NATIVE) {
bcopy(ring_req, &nreq->ring_req_storage, sizeof(*ring_req));
@@ -1608,7 +1609,6 @@ xbb_dispatch_io(struct xbb_softc *xbb, s
req_ring_idx = nreq->req_ring_idx;
nr_sects = 0;
nseg = ring_req->nr_segments;
- nreq->id = ring_req->id;
nreq->nr_pages = nseg;
nreq->nr_512b_sectors = 0;
req_seg_idx = 0;
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