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Message-Id: <20100304100352.d7bd75fb.rdunlap@xenotime.net>
Date: Thu, 4 Mar 2010 10:03:52 -0800
From: Randy Dunlap <rdunlap@...otime.net>
To: Hank Janssen <hjanssen@...rosoft.com>
Cc: "'linux-kernel@...r.kernel.org'" <linux-kernel@...r.kernel.org>,
"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
"virtualization@...ts.osdl.org" <virtualization@...ts.osdl.org>,
Greg KH <greg@...ah.com>,
Haiyang Zhang <haiyangz@...rosoft.com>,
Hashir Abdi <habdi@...rosoft.com>
Subject: Re: [PATCH 1/1] Stage: hv: Corrected all header comments to follow
kernel-doc format
On Thu, 4 Mar 2010 17:48:18 +0000 Hank Janssen wrote:
>
> From: Hank Janssen <hjanssen@...rosoft.com>
>
> Removed kerneldoc /** from functions that should not have them.
> Added proper kerneldoc headers to functions that should have them.
Hi,
Most of the patch looks good. I found a few nits to pick.
Please see below.
> Cc: Greg Kroah-Hartman <gregkh@...e.de>
> Signed-off-by: Hank Janssen <hjanssen@...rosoft.com>
> Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
>
> ---
> drivers/staging/hv/Channel.c | 49 ++++++++++++++-----------
> drivers/staging/hv/ChannelMgmt.c | 33 +++++++++--------
> drivers/staging/hv/Connection.c | 14 ++++----
> drivers/staging/hv/Hv.c | 18 +++++-----
> drivers/staging/hv/NetVsc.c | 8 ++--
> drivers/staging/hv/StorVsc.c | 10 +++---
> drivers/staging/hv/TODO | 1 -
> drivers/staging/hv/Vmbus.c | 26 +++++++-------
> drivers/staging/hv/VmbusApi.h | 19 ++++++++++
> drivers/staging/hv/blkvsc_drv.c | 6 ++--
> drivers/staging/hv/netvsc_drv.c | 4 +-
> drivers/staging/hv/osd.c | 70 +++++++++++++++++++++++++++++++++++
> drivers/staging/hv/storvsc_drv.c | 14 ++++----
> drivers/staging/hv/vmbus_drv.c | 74 +++++++++++++++++++++++++------------
> 14 files changed, 233 insertions(+), 113 deletions(-)
diff --git a/drivers/staging/hv/VmbusApi.h b/drivers/staging/hv/VmbusApi.h index d089bb1..2e3a3b8 100644
> --- a/drivers/staging/hv/VmbusApi.h
> +++ b/drivers/staging/hv/VmbusApi.h
> @@ -84,6 +84,25 @@ struct hv_device_info {
> struct hv_dev_port_info Outbound;
> };
>
> +/**
> + * struct vmbus_channel_interface - Contains member functions for vmbus channel
> + * @Open: Open the channel
> + * @Close: Close the channel
> + * @SendPacket: Send a packet over the channel
> + * @SendPacketPageBuffer: Send a single page buffer over the channel
> + * @SendPacketMultiPageBuffer: Send a multiple page buffers
> + * @RecvPacket: Receive packet
> + * @RecvPacketRaw: Receive Raw packet
> + * @EstablishGpadl: Set up GPADL for ringbuffer
> + * @TeardownGpadl: Teardown GPADL for ringbuffer
> + * @GetInfo: Get info about the channel
> + *
> + * This structure contains function pointer to control vmbus channel
> + * behavior.
> + * None of these functions is externally callable, but they are used
> +for normal
There appears to be some unwanted line breaking ^here^.
> + * vmbus channel internal behavior.
> + * Only used by Hyper-V drivers.
> + */
> struct vmbus_channel_interface {
> int (*Open)(struct hv_device *Device, u32 SendBufferSize,
> u32 RecvRingBufferSize, void *UserData, u32 UserDataLen, diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c index abeac12..c90a6aa 100644
and why are those 2 lines above joined/merged?
I suspect that it will be a bit difficult for Greg to apply this patch.
diff --git a/drivers/staging/hv/osd.c b/drivers/staging/hv/osd.c index 3a4793a..5afa94e 100644
> --- a/drivers/staging/hv/osd.c
> +++ b/drivers/staging/hv/osd.c
> @@ -77,6 +86,14 @@ void *osd_PageAlloc(unsigned int count) } EXPORT_SYMBOL_GPL(osd_PageAlloc);
>
> +/**
> + * osd_PageFree() - Free pages
> + * @page: Pointer to the first page to be freed
> + * @count: Total number of Kernel pages you free
> + *
> + * Frees the pages allocated by osd_PageAlloc()
> + * Mainly used by Hyper-V drivers.
> + */
> void osd_PageFree(void *page, unsigned int count) {
> free_pages((unsigned long)page, get_order(count * PAGE_SIZE)); @@ -85,6 +102,17 @@ void osd_PageFree(void *page, unsigned int count) } EXPORT_SYMBOL_GPL(osd_PageFree);
>
> +/**
> + * osd_WaitEventCreate() - Create the event queue
> + *
> + * Allocates memory for a &struct osd_waitevent. And than calls
aha. Correct struct reference, using '&'. :)
> + * init_waitqueue_head to set up the wait queue for the event.
> + * This structure is usually part of a another structure that contains
> + * the actual Hyper-V device driver structure.
> + *
> + * Returns pointer to &struct osd_waitevent
> + * Mainly used by Hyper-V drivers.
> + */
> struct osd_waitevent *osd_WaitEventCreate(void) {
> struct osd_waitevent *wait = kmalloc(sizeof(struct osd_waitevent), @@ -98,6 +126,19 @@ struct osd_waitevent *osd_WaitEventCreate(void) } EXPORT_SYMBOL_GPL(osd_WaitEventCreate);
>
> +
> +/**
> + * osd_WaitEventSet() - Wake up the process
> + * @waitEvent: Structure to event to be woken up
> + *
> + * @waitevent is of type @struct osd_waitevent
Use '&' here also.
> + *
> + * Wake up the sleeping process so it can do some work.
> + * And set condition indicator in struct osd_waitevent to indicate
> + * the process is in a woken state.
> + *
> + * Only used by Network and Storage Hyper-V drivers.
> + */
> void osd_WaitEventSet(struct osd_waitevent *waitEvent) {
> waitEvent->condition = 1;
> @@ -105,6 +146,20 @@ void osd_WaitEventSet(struct osd_waitevent *waitEvent) } EXPORT_SYMBOL_GPL(osd_WaitEventSet);
>
> +/**
> + * osd_WaitEventWait() - Wait for event till condition is true
> + * @waitEvent: Structure to event to be put to sleep
> + *
> + * @waitevent is of type @struct osd_waitevent
Use '&' here also.
> + *
> + * Set up the process to sleep until waitEvent->condition get true.
> + * And set condition indicator in struct osd_waitevent to indicate
> + * the process is in a sleeping state.
> + *
> + * Returns the status of 'wait_event_interruptible()' system call
> + *
> + * Mainly used by Hyper-V drivers.
> + */
> int osd_WaitEventWait(struct osd_waitevent *waitEvent) {
> int ret = 0;
> @@ -116,6 +171,21 @@ int osd_WaitEventWait(struct osd_waitevent *waitEvent) } EXPORT_SYMBOL_GPL(osd_WaitEventWait);
>
> +/**
> + * osd_WaitEventWaitEx() - Wait for event or timeout for process wakeup
> + * @waitEvent: Structure to event to be put to sleep
> + * @TimeoutInMs: Total number of Milliseconds to wait before waking up
> + *
> + * @waitevent is of type @struct osd_waitevent
Use '&' here also.
> + * Set up the process to sleep until @waitEvent->condition get true or
> + * @TimeoutInMs (Time out in Milliseconds) has been reached.
> + * And set condition indicator in struct osd_waitevent to indicate
> + * the process is in a sleeping state.
> + *
> + * Returns the status of 'wait_event_interruptible_timeout()' system
> +call
> + *
> + * Mainly used by Hyper-V drivers.
> + */
> int osd_WaitEventWaitEx(struct osd_waitevent *waitEvent, u32 TimeoutInMs) {
> int ret = 0;
---
~Randy
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