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authorAndy King <acking@vmware.com>2013-01-10 23:41:39 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-17 20:07:38 (GMT)
commit42281d20cdf94a9d2aae67ee019f8bcc390ebed6 (patch)
tree110c09fd3be68927b4404475ca53b07f5b859a0e /drivers/misc
parentbad7d9df274b03a0761913b6628fc7663ad3bfa6 (diff)
downloadlinux-42281d20cdf94a9d2aae67ee019f8bcc390ebed6.tar.xz
VMCI: Remove dependency on BLOCK I/O
No need to bring in dm-mapper.h and along with it a dependency on BLOCK I/O just to use dm_div_up(). Just use the existing DIV_ROUND_UP(). Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Andy King <acking@vmware.com> Signed-off-by: Dmitry Torokhov <dtor@vmware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/vmw_vmci/vmci_queue_pair.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/misc/vmw_vmci/vmci_queue_pair.c b/drivers/misc/vmw_vmci/vmci_queue_pair.c
index 1123111b..da47e45 100644
--- a/drivers/misc/vmw_vmci/vmci_queue_pair.c
+++ b/drivers/misc/vmw_vmci/vmci_queue_pair.c
@@ -13,12 +13,16 @@
* for more details.
*/
-#include <linux/device-mapper.h>
#include <linux/vmw_vmci_defs.h>
#include <linux/vmw_vmci_api.h>
+#include <linux/highmem.h>
#include <linux/kernel.h>
+#include <linux/mm.h>
#include <linux/module.h>
#include <linux/mutex.h>
+#include <linux/pagemap.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
#include <linux/socket.h>
#include <linux/wait.h>
@@ -246,9 +250,9 @@ static struct qp_list qp_guest_endpoints = {
};
#define INVALID_VMCI_GUEST_MEM_ID 0
-#define QPE_NUM_PAGES(_QPE) ((u32) \
- (dm_div_up(_QPE.produce_size, PAGE_SIZE) + \
- dm_div_up(_QPE.consume_size, PAGE_SIZE) + 2))
+#define QPE_NUM_PAGES(_QPE) ((u32) \
+ (DIV_ROUND_UP(_QPE.produce_size, PAGE_SIZE) + \
+ DIV_ROUND_UP(_QPE.consume_size, PAGE_SIZE) + 2))
/*
@@ -260,7 +264,7 @@ static void qp_free_queue(void *q, u64 size)
struct vmci_queue *queue = q;
if (queue) {
- u64 i = dm_div_up(size, PAGE_SIZE);
+ u64 i = DIV_ROUND_UP(size, PAGE_SIZE);
if (queue->kernel_if->mapped) {
vunmap(queue->kernel_if->va);
@@ -289,7 +293,7 @@ static void *qp_alloc_queue(u64 size, u32 flags)
u64 i;
struct vmci_queue *queue;
struct vmci_queue_header *q_header;
- const u64 num_data_pages = dm_div_up(size, PAGE_SIZE);
+ const u64 num_data_pages = DIV_ROUND_UP(size, PAGE_SIZE);
const uint queue_size =
PAGE_SIZE +
sizeof(*queue) + sizeof(*(queue->kernel_if)) +
@@ -611,7 +615,7 @@ static int qp_memcpy_from_queue_iov(void *dest,
static struct vmci_queue *qp_host_alloc_queue(u64 size)
{
struct vmci_queue *queue;
- const size_t num_pages = dm_div_up(size, PAGE_SIZE) + 1;
+ const size_t num_pages = DIV_ROUND_UP(size, PAGE_SIZE) + 1;
const size_t queue_size = sizeof(*queue) + sizeof(*(queue->kernel_if));
const size_t queue_page_size =
num_pages * sizeof(*queue->kernel_if->page);
@@ -963,8 +967,8 @@ qp_guest_endpoint_create(struct vmci_handle handle,
int result;
struct qp_guest_endpoint *entry;
/* One page each for the queue headers. */
- const u64 num_ppns = dm_div_up(produce_size, PAGE_SIZE) +
- dm_div_up(consume_size, PAGE_SIZE) + 2;
+ const u64 num_ppns = DIV_ROUND_UP(produce_size, PAGE_SIZE) +
+ DIV_ROUND_UP(consume_size, PAGE_SIZE) + 2;
if (vmci_handle_is_invalid(handle)) {
u32 context_id = vmci_get_context_id();
@@ -1175,9 +1179,9 @@ static int qp_alloc_guest_work(struct vmci_handle *handle,
u32 priv_flags)
{
const u64 num_produce_pages =
- dm_div_up(produce_size, PAGE_SIZE) + 1;
+ DIV_ROUND_UP(produce_size, PAGE_SIZE) + 1;
const u64 num_consume_pages =
- dm_div_up(consume_size, PAGE_SIZE) + 1;
+ DIV_ROUND_UP(consume_size, PAGE_SIZE) + 1;
void *my_produce_q = NULL;
void *my_consume_q = NULL;
int result;
@@ -1456,7 +1460,7 @@ static int qp_broker_create(struct vmci_handle handle,
entry->state = VMCIQPB_CREATED_MEM;
entry->produce_q->q_header = entry->local_mem;
tmp = (u8 *)entry->local_mem + PAGE_SIZE *
- (dm_div_up(entry->qp.produce_size, PAGE_SIZE) + 1);
+ (DIV_ROUND_UP(entry->qp.produce_size, PAGE_SIZE) + 1);
entry->consume_q->q_header = (struct vmci_queue_header *)tmp;
} else if (page_store) {
/*