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OpenCloudOS-Kernel
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hv: delete vmbus_get_debug_info() 

It's only used once, only contains 2 function calls, so just make those
calls directly, deleting the function, and the now unneeded structure
entirely.

Tested-by: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2013-09-13 11:32:59 -07:00
parent 4947c7453b
commit 2c9be3eacc
3 changed files with 14 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/hv/channel.c
View File

@ -59,16 +59,6 @@ static void vmbus_setevent(struct vmbus_channel *channel)
}
}
/*
* vmbus_get_debug_info -Retrieve various channel debug info
*/
void vmbus_get_debug_info(struct vmbus_channel *channel,
struct vmbus_channel_debug_info *debuginfo)
{
hv_ringbuffer_get_debuginfo(&channel->inbound, &debuginfo->inbound);
hv_ringbuffer_get_debuginfo(&channel->outbound, &debuginfo->outbound);
}
/*
* vmbus_open - Open the specified channel.
*/

31
drivers/hv/vmbus_drv.c
View File

@ -63,29 +63,26 @@ static int vmbus_exists(void)
static void get_channel_info(struct hv_device *device,
struct hv_device_info *info)
{
struct vmbus_channel_debug_info debug_info;
struct hv_ring_buffer_debug_info inbound;
struct hv_ring_buffer_debug_info outbound;
if (!device->channel)
return;
vmbus_get_debug_info(device->channel, &debug_info);
hv_ringbuffer_get_debuginfo(&device->channel->inbound, &inbound);
hv_ringbuffer_get_debuginfo(&device->channel->outbound, &outbound);
info->inbound.int_mask = debug_info.inbound.current_interrupt_mask;
info->inbound.read_idx = debug_info.inbound.current_read_index;
info->inbound.write_idx = debug_info.inbound.current_write_index;
info->inbound.bytes_avail_toread =
debug_info.inbound.bytes_avail_toread;
info->inbound.bytes_avail_towrite =
debug_info.inbound.bytes_avail_towrite;
info->inbound.int_mask = inbound.current_interrupt_mask;
info->inbound.read_idx = inbound.current_read_index;
info->inbound.write_idx = inbound.current_write_index;
info->inbound.bytes_avail_toread = inbound.bytes_avail_toread;
info->inbound.bytes_avail_towrite = inbound.bytes_avail_towrite;
info->outbound.int_mask =
debug_info.outbound.current_interrupt_mask;
info->outbound.read_idx = debug_info.outbound.current_read_index;
info->outbound.write_idx = debug_info.outbound.current_write_index;
info->outbound.bytes_avail_toread =
debug_info.outbound.bytes_avail_toread;
info->outbound.bytes_avail_towrite =
debug_info.outbound.bytes_avail_towrite;
info->outbound.int_mask = outbound.current_interrupt_mask;
info->outbound.read_idx = outbound.current_read_index;
info->outbound.write_idx = outbound.current_write_index;
info->outbound.bytes_avail_toread = outbound.bytes_avail_toread;
info->outbound.bytes_avail_towrite = outbound.bytes_avail_towrite;
}
#define VMBUS_ALIAS_LEN ((sizeof((struct hv_vmbus_device_id *)0)->guid) * 2)

8
include/linux/hyperv.h
View File

@ -899,11 +899,6 @@ enum vmbus_channel_state {
CHANNEL_OPENED_STATE,
};
struct vmbus_channel_debug_info {
struct hv_ring_buffer_debug_info inbound;
struct hv_ring_buffer_debug_info outbound;
};
/*
* Represents each channel msg on the vmbus connection This is a
* variable-size data structure depending on the msg type itself
@ -1169,9 +1164,6 @@ extern int vmbus_recvpacket_raw(struct vmbus_channel *channel,
u64 *requestid);
extern void vmbus_get_debug_info(struct vmbus_channel *channel,
struct vmbus_channel_debug_info *debug);
extern void vmbus_ontimer(unsigned long data);
struct hv_dev_port_info {