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authorJulien Grall <julien.grall@citrix.com>2015-10-13 17:50:11 +0100
committerDavid Vrabel <david.vrabel@citrix.com>2015-10-23 14:20:46 +0100
commit9cce2914e2b21339dca12c91dc9f35790366cc4c (patch)
treef92428952bfd91dd0ff312608080e021e3f05190 /drivers/block
parentd5f985c834fbfdedcb629b009ba272ad50add5ac (diff)
downloadlinux-9cce2914e2b21339dca12c91dc9f35790366cc4c.tar.bz2
xen/xenbus: Rename *RING_PAGE* to *RING_GRANT*
Linux may use a different page size than the size of grant. So make clear that the order is actually in number of grant. Signed-off-by: Julien Grall <julien.grall@citrix.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/xen-blkback/blkback.c8
-rw-r--r--drivers/block/xen-blkback/xenbus.c2
-rw-r--r--drivers/block/xen-blkfront.c10
3 files changed, 10 insertions, 10 deletions
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index 809634ce3b67..f9099940c272 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -87,7 +87,7 @@ MODULE_PARM_DESC(max_persistent_grants,
* Maximum order of pages to be used for the shared ring between front and
* backend, 4KB page granularity is used.
*/
-unsigned int xen_blkif_max_ring_order = XENBUS_MAX_RING_PAGE_ORDER;
+unsigned int xen_blkif_max_ring_order = XENBUS_MAX_RING_GRANT_ORDER;
module_param_named(max_ring_page_order, xen_blkif_max_ring_order, int, S_IRUGO);
MODULE_PARM_DESC(max_ring_page_order, "Maximum order of pages to be used for the shared ring");
/*
@@ -1446,10 +1446,10 @@ static int __init xen_blkif_init(void)
if (!xen_domain())
return -ENODEV;
- if (xen_blkif_max_ring_order > XENBUS_MAX_RING_PAGE_ORDER) {
+ if (xen_blkif_max_ring_order > XENBUS_MAX_RING_GRANT_ORDER) {
pr_info("Invalid max_ring_order (%d), will use default max: %d.\n",
- xen_blkif_max_ring_order, XENBUS_MAX_RING_PAGE_ORDER);
- xen_blkif_max_ring_order = XENBUS_MAX_RING_PAGE_ORDER;
+ xen_blkif_max_ring_order, XENBUS_MAX_RING_GRANT_ORDER);
+ xen_blkif_max_ring_order = XENBUS_MAX_RING_GRANT_ORDER;
}
rc = xen_blkif_interface_init();
diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c
index 01c6b41de4e5..f53cff42f8da 100644
--- a/drivers/block/xen-blkback/xenbus.c
+++ b/drivers/block/xen-blkback/xenbus.c
@@ -829,7 +829,7 @@ again:
static int connect_ring(struct backend_info *be)
{
struct xenbus_device *dev = be->dev;
- unsigned int ring_ref[XENBUS_MAX_RING_PAGES];
+ unsigned int ring_ref[XENBUS_MAX_RING_GRANTS];
unsigned int evtchn, nr_grefs, ring_page_order;
unsigned int pers_grants;
char protocol[64] = "";
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 057e05da83d1..833955f32430 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -111,7 +111,7 @@ MODULE_PARM_DESC(max_ring_page_order, "Maximum order of pages to be used for the
__CONST_RING_SIZE(blkif, XEN_PAGE_SIZE * (info)->nr_ring_pages)
#define BLK_MAX_RING_SIZE \
- __CONST_RING_SIZE(blkif, XEN_PAGE_SIZE * XENBUS_MAX_RING_PAGES)
+ __CONST_RING_SIZE(blkif, XEN_PAGE_SIZE * XENBUS_MAX_RING_GRANTS)
/*
* ring-ref%i i=(-1UL) would take 11 characters + 'ring-ref' is 8, so 19
@@ -133,7 +133,7 @@ struct blkfront_info
int vdevice;
blkif_vdev_t handle;
enum blkif_state connected;
- int ring_ref[XENBUS_MAX_RING_PAGES];
+ int ring_ref[XENBUS_MAX_RING_GRANTS];
unsigned int nr_ring_pages;
struct blkif_front_ring ring;
unsigned int evtchn, irq;
@@ -1413,7 +1413,7 @@ static int setup_blkring(struct xenbus_device *dev,
struct blkif_sring *sring;
int err, i;
unsigned long ring_size = info->nr_ring_pages * XEN_PAGE_SIZE;
- grant_ref_t gref[XENBUS_MAX_RING_PAGES];
+ grant_ref_t gref[XENBUS_MAX_RING_GRANTS];
for (i = 0; i < info->nr_ring_pages; i++)
info->ring_ref[i] = GRANT_INVALID_REF;
@@ -2284,9 +2284,9 @@ static int __init xlblk_init(void)
if (!xen_domain())
return -ENODEV;
- if (xen_blkif_max_ring_order > XENBUS_MAX_RING_PAGE_ORDER) {
+ if (xen_blkif_max_ring_order > XENBUS_MAX_RING_GRANT_ORDER) {
pr_info("Invalid max_ring_order (%d), will use default max: %d.\n",
- xen_blkif_max_ring_order, XENBUS_MAX_RING_PAGE_ORDER);
+ xen_blkif_max_ring_order, XENBUS_MAX_RING_GRANT_ORDER);
xen_blkif_max_ring_order = 0;
}