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authorPaul Durrant <paul.durrant@citrix.com>2019-01-31 15:33:16 +0000
committerAnthony PERARD <anthony.perard@citrix.com>2019-02-04 11:04:49 +0000
commit3149f183d7ca448b1dc30fe3d4acb9e367de01bf (patch)
treec4e73f03d718d1f3fdaa97a67fa1f7aa7f201019 /hw/block/dataplane
parent67bc8e00f7c44b7ac35ee75e1716ad18baa77126 (diff)
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xen-block: handle resize callback
Some frontend drivers will handle dynamic resizing of PV disks, so set up the BlockDevOps resize_cb() method during xen_block_realize() to allow this to be done. Signed-off-by: Paul Durrant <paul.durrant@citrix.com> Reviewed-by: Anthony PERARD <anthony.perard@citrix.com> Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Diffstat (limited to 'hw/block/dataplane')
-rw-r--r--hw/block/dataplane/xen-block.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/hw/block/dataplane/xen-block.c b/hw/block/dataplane/xen-block.c
index d0d8905..c6a15da 100644
--- a/hw/block/dataplane/xen-block.c
+++ b/hw/block/dataplane/xen-block.c
@@ -50,7 +50,6 @@ struct XenBlockDataPlane {
unsigned int nr_ring_ref;
void *sring;
int64_t file_blk;
- int64_t file_size;
int protocol;
blkif_back_rings_t rings;
int more_work;
@@ -189,7 +188,7 @@ static int xen_block_parse_request(XenBlockRequest *request)
request->req.seg[i].first_sect + 1) * dataplane->file_blk;
request->size += len;
}
- if (request->start + request->size > dataplane->file_size) {
+ if (request->start + request->size > blk_getlength(dataplane->blk)) {
error_report("error: access beyond end of file");
goto err;
}
@@ -638,7 +637,6 @@ XenBlockDataPlane *xen_block_dataplane_create(XenDevice *xendev,
dataplane->xendev = xendev;
dataplane->file_blk = conf->logical_block_size;
dataplane->blk = conf->blk;
- dataplane->file_size = blk_getlength(dataplane->blk);
QLIST_INIT(&dataplane->inflight);
QLIST_INIT(&dataplane->freelist);