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>

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 1123111ba1bf..da47e457e158 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) {
                 /*