From 7350968193f9b94c4a4b7d14d7a44333a322c5d7 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Thu, 20 Jan 2011 09:32:01 +0100 Subject: [PATCH] staging/hv/osd: don't reimplement ALIGN macro MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The ALIGN_DOWN macro was only used in NUM_PAGES_SPANNED. So make the latter easier and get rid of the former. Signed-off-by: Uwe Kleine-König Signed-off-by: Greg Kroah-Hartman --- drivers/staging/hv/blkvsc.c | 2 +- drivers/staging/hv/channel.c | 6 +++--- drivers/staging/hv/hv.c | 4 ++-- drivers/staging/hv/osd.h | 10 +++------- drivers/staging/hv/storvsc.c | 6 +++--- drivers/staging/hv/storvsc_drv.c | 4 ++-- 6 files changed, 14 insertions(+), 18 deletions(-) diff --git a/drivers/staging/hv/blkvsc.c b/drivers/staging/hv/blkvsc.c index bc16d9172eb2..11a2523a74e3 100644 --- a/drivers/staging/hv/blkvsc.c +++ b/drivers/staging/hv/blkvsc.c @@ -85,7 +85,7 @@ int blk_vsc_initialize(struct hv_driver *driver) */ stor_driver->max_outstanding_req_per_channel = ((stor_driver->ring_buffer_size - PAGE_SIZE) / - ALIGN_UP(MAX_MULTIPAGE_BUFFER_PACKET + + ALIGN(MAX_MULTIPAGE_BUFFER_PACKET + sizeof(struct vstor_packet) + sizeof(u64), sizeof(u64))); diff --git a/drivers/staging/hv/channel.c b/drivers/staging/hv/channel.c index 45a627d77b41..69e78568f359 100644 --- a/drivers/staging/hv/channel.c +++ b/drivers/staging/hv/channel.c @@ -726,7 +726,7 @@ int vmbus_sendpacket(struct vmbus_channel *channel, const void *buffer, { struct vmpacket_descriptor desc; u32 packetlen = sizeof(struct vmpacket_descriptor) + bufferlen; - u32 packetlen_aligned = ALIGN_UP(packetlen, sizeof(u64)); + u32 packetlen_aligned = ALIGN(packetlen, sizeof(u64)); struct scatterlist bufferlist[3]; u64 aligned_data = 0; int ret; @@ -793,7 +793,7 @@ int vmbus_sendpacket_pagebuffer(struct vmbus_channel *channel, ((MAX_PAGE_BUFFER_COUNT - pagecount) * sizeof(struct hv_page_buffer)); packetlen = descsize + bufferlen; - packetlen_aligned = ALIGN_UP(packetlen, sizeof(u64)); + packetlen_aligned = ALIGN(packetlen, sizeof(u64)); /* ASSERT((packetLenAligned - packetLen) < sizeof(u64)); */ @@ -862,7 +862,7 @@ int vmbus_sendpacket_multipagebuffer(struct vmbus_channel *channel, ((MAX_MULTIPAGE_BUFFER_COUNT - pfncount) * sizeof(u64)); packetlen = descsize + bufferlen; - packetlen_aligned = ALIGN_UP(packetlen, sizeof(u64)); + packetlen_aligned = ALIGN(packetlen, sizeof(u64)); /* ASSERT((packetLenAligned - packetLen) < sizeof(u64)); */ diff --git a/drivers/staging/hv/hv.c b/drivers/staging/hv/hv.c index a34d713d9c57..021acbaae247 100644 --- a/drivers/staging/hv/hv.c +++ b/drivers/staging/hv/hv.c @@ -267,7 +267,7 @@ int hv_init(void) hv_context.signal_event_param = (struct hv_input_signal_event *) - (ALIGN_UP((unsigned long) + (ALIGN((unsigned long) hv_context.signal_event_buffer, HV_HYPERCALL_PARAM_ALIGN)); hv_context.signal_event_param->connectionid.asu32 = 0; @@ -338,7 +338,7 @@ u16 hv_post_message(union hv_connection_id connection_id, return -1; aligned_msg = (struct hv_input_post_message *) - (ALIGN_UP(addr, HV_HYPERCALL_PARAM_ALIGN)); + (ALIGN(addr, HV_HYPERCALL_PARAM_ALIGN)); aligned_msg->connectionid = connection_id; aligned_msg->message_type = message_type; diff --git a/drivers/staging/hv/osd.h b/drivers/staging/hv/osd.h index 870ef0768833..f7871614b983 100644 --- a/drivers/staging/hv/osd.h +++ b/drivers/staging/hv/osd.h @@ -25,16 +25,12 @@ #ifndef _OSD_H_ #define _OSD_H_ +#include #include /* Defines */ -#define ALIGN_UP(value, align) (((value) & (align-1)) ? \ - (((value) + (align-1)) & ~(align-1)) : \ - (value)) -#define ALIGN_DOWN(value, align) ((value) & ~(align-1)) -#define NUM_PAGES_SPANNED(addr, len) ((ALIGN_UP(addr+len, PAGE_SIZE) - \ - ALIGN_DOWN(addr, PAGE_SIZE)) >> \ - PAGE_SHIFT) +#define NUM_PAGES_SPANNED(addr, len) ((PAGE_ALIGN(addr + len) >> PAGE_SHIFT) - \ + (addr >> PAGE_SHIFT)) #define LOWORD(dw) ((unsigned short)(dw)) #define HIWORD(dw) ((unsigned short)(((unsigned int) (dw) >> 16) & 0xFFFF)) diff --git a/drivers/staging/hv/storvsc.c b/drivers/staging/hv/storvsc.c index 9295113e09b9..5680fb06532d 100644 --- a/drivers/staging/hv/storvsc.c +++ b/drivers/staging/hv/storvsc.c @@ -437,7 +437,7 @@ static void stor_vsc_on_channel_callback(void *context) struct storvsc_device *stor_device; u32 bytes_recvd; u64 request_id; - unsigned char packet[ALIGN_UP(sizeof(struct vstor_packet), 8)]; + unsigned char packet[ALIGN(sizeof(struct vstor_packet), 8)]; struct storvsc_request_extension *request; int ret; @@ -452,7 +452,7 @@ static void stor_vsc_on_channel_callback(void *context) do { ret = vmbus_recvpacket(device->channel, packet, - ALIGN_UP(sizeof(struct vstor_packet), 8), + ALIGN(sizeof(struct vstor_packet), 8), &bytes_recvd, &request_id); if (ret == 0 && bytes_recvd > 0) { DPRINT_DBG(STORVSC, "receive %d bytes - tid %llx", @@ -802,7 +802,7 @@ int stor_vsc_initialize(struct hv_driver *driver) */ stor_driver->max_outstanding_req_per_channel = ((stor_driver->ring_buffer_size - PAGE_SIZE) / - ALIGN_UP(MAX_MULTIPAGE_BUFFER_PACKET + + ALIGN(MAX_MULTIPAGE_BUFFER_PACKET + sizeof(struct vstor_packet) + sizeof(u64), sizeof(u64))); diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c index 17f1b344fbc5..7651ca2accc7 100644 --- a/drivers/staging/hv/storvsc_drv.c +++ b/drivers/staging/hv/storvsc_drv.c @@ -434,7 +434,7 @@ static struct scatterlist *create_bounce_buffer(struct scatterlist *sgl, struct scatterlist *bounce_sgl; struct page *page_buf; - num_pages = ALIGN_UP(len, PAGE_SIZE) >> PAGE_SHIFT; + num_pages = ALIGN(len, PAGE_SIZE) >> PAGE_SHIFT; bounce_sgl = kcalloc(num_pages, sizeof(struct scatterlist), GFP_ATOMIC); if (!bounce_sgl) @@ -720,7 +720,7 @@ static int storvsc_queuecommand_lck(struct scsi_cmnd *scmnd, } cmd_request->bounce_sgl_count = - ALIGN_UP(scsi_bufflen(scmnd), PAGE_SIZE) >> + ALIGN(scsi_bufflen(scmnd), PAGE_SIZE) >> PAGE_SHIFT; /* -- 2.39.2