diff options
| author | Andy King <acking@vmware.com> | 2013-01-11 03:41:39 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-18 00:07:38 +0400 |
| commit | 42281d20cdf94a9d2aae67ee019f8bcc390ebed6 (patch) | |
| tree | 110c09fd3be68927b4404475ca53b07f5b859a0e /drivers/misc | |
| parent | bad7d9df274b03a0761913b6628fc7663ad3bfa6 (diff) | |
| download | linux-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.c | 28 |
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) { /* |