diff options
| author | Julien Grall <julien.grall@citrix.com> | 2015-10-13 17:50:11 +0100 |
|---|---|---|
| committer | David Vrabel <david.vrabel@citrix.com> | 2015-10-23 14:20:46 +0100 |
| commit | 9cce2914e2b21339dca12c91dc9f35790366cc4c (patch) | |
| tree | f92428952bfd91dd0ff312608080e021e3f05190 /drivers/block | |
| parent | d5f985c834fbfdedcb629b009ba272ad50add5ac (diff) | |
| download | linux-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.c | 8 | ||||
| -rw-r--r-- | drivers/block/xen-blkback/xenbus.c | 2 | ||||
| -rw-r--r-- | drivers/block/xen-blkfront.c | 10 |
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; } |