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Subject: Re: [PATCH 1/5] ocxl: Rename struct link to ocxl_link
To:     "Alastair D'Silva" <alastair@au1.ibm.com>, alastair@d-silva.org
Cc:     Greg Kurz <groug@kaod.org>,
        Frederic Barrat <fbarrat@linux.ibm.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
References: <20190227045741.21412-1-alastair@au1.ibm.com>
 <20190227045741.21412-2-alastair@au1.ibm.com>
From:   Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Date:   Wed, 27 Feb 2019 18:15:45 +1100
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On 27/2/19 3:57 pm, Alastair D'Silva wrote:
> From: Alastair D'Silva <alastair@d-silva.org>
> 
> The term 'link' is ambiguous (especially when the struct is used for a
> list), so rename it for clarity.
> 
> Signed-off-by: Alastair D'Silva <alastair@d-silva.org>
> Reviewed-by: Greg Kurz <groug@kaod.org>
> ---
>   drivers/misc/ocxl/file.c |  2 +-
>   drivers/misc/ocxl/link.c | 36 ++++++++++++++++++------------------
>   2 files changed, 19 insertions(+), 19 deletions(-)
> 
> diff --git a/drivers/misc/ocxl/file.c b/drivers/misc/ocxl/file.c
> index e6a607488f8a..16eb8a60d5c7 100644
> --- a/drivers/misc/ocxl/file.c
> +++ b/drivers/misc/ocxl/file.c
> @@ -152,7 +152,7 @@ static long afu_ioctl_enable_p9_wait(struct ocxl_context *ctx,
>   
>   		if (status == ATTACHED) {
>   			int rc;
> -			struct link *link = ctx->afu->fn->link;
> +			void *link = ctx->afu->fn->link;

This doesn't look like a rename...

>   
>   			rc = ocxl_link_update_pe(link, ctx->pasid, ctx->tidr);
>   			if (rc)
> diff --git a/drivers/misc/ocxl/link.c b/drivers/misc/ocxl/link.c
> index d50b861d7e57..8d2690a1a9de 100644
> --- a/drivers/misc/ocxl/link.c
> +++ b/drivers/misc/ocxl/link.c
> @@ -76,7 +76,7 @@ struct spa {
>    * limited number of opencapi slots on a system and lookup is only
>    * done when the device is probed
>    */
> -struct link {
> +struct ocxl_link {
>   	struct list_head list;
>   	struct kref ref;
>   	int domain;
> @@ -179,7 +179,7 @@ static void xsl_fault_handler_bh(struct work_struct *fault_work)
>   
>   static irqreturn_t xsl_fault_handler(int irq, void *data)
>   {
> -	struct link *link = (struct link *) data;
> +	struct ocxl_link *link = (struct ocxl_link *) data;
>   	struct spa *spa = link->spa;
>   	u64 dsisr, dar, pe_handle;
>   	struct pe_data *pe_data;
> @@ -256,7 +256,7 @@ static int map_irq_registers(struct pci_dev *dev, struct spa *spa)
>   				&spa->reg_tfc, &spa->reg_pe_handle);
>   }
>   
> -static int setup_xsl_irq(struct pci_dev *dev, struct link *link)
> +static int setup_xsl_irq(struct pci_dev *dev, struct ocxl_link *link)
>   {
>   	struct spa *spa = link->spa;
>   	int rc;
> @@ -311,7 +311,7 @@ static int setup_xsl_irq(struct pci_dev *dev, struct link *link)
>   	return rc;
>   }
>   
> -static void release_xsl_irq(struct link *link)
> +static void release_xsl_irq(struct ocxl_link *link)
>   {
>   	struct spa *spa = link->spa;
>   
> @@ -323,7 +323,7 @@ static void release_xsl_irq(struct link *link)
>   	unmap_irq_registers(spa);
>   }
>   
> -static int alloc_spa(struct pci_dev *dev, struct link *link)
> +static int alloc_spa(struct pci_dev *dev, struct ocxl_link *link)
>   {
>   	struct spa *spa;
>   
> @@ -350,7 +350,7 @@ static int alloc_spa(struct pci_dev *dev, struct link *link)
>   	return 0;
>   }
>   
> -static void free_spa(struct link *link)
> +static void free_spa(struct ocxl_link *link)
>   {
>   	struct spa *spa = link->spa;
>   
> @@ -364,12 +364,12 @@ static void free_spa(struct link *link)
>   	}
>   }
>   
> -static int alloc_link(struct pci_dev *dev, int PE_mask, struct link **out_link)
> +static int alloc_link(struct pci_dev *dev, int PE_mask, struct ocxl_link **out_link)
>   {
> -	struct link *link;
> +	struct ocxl_link *link;
>   	int rc;
>   
> -	link = kzalloc(sizeof(struct link), GFP_KERNEL);
> +	link = kzalloc(sizeof(struct ocxl_link), GFP_KERNEL);
>   	if (!link)
>   		return -ENOMEM;
>   
> @@ -405,7 +405,7 @@ static int alloc_link(struct pci_dev *dev, int PE_mask, struct link **out_link)
>   	return rc;
>   }
>   
> -static void free_link(struct link *link)
> +static void free_link(struct ocxl_link *link)
>   {
>   	release_xsl_irq(link);
>   	free_spa(link);
> @@ -415,7 +415,7 @@ static void free_link(struct link *link)
>   int ocxl_link_setup(struct pci_dev *dev, int PE_mask, void **link_handle)
>   {
>   	int rc = 0;
> -	struct link *link;
> +	struct ocxl_link *link;
>   
>   	mutex_lock(&links_list_lock);
>   	list_for_each_entry(link, &links_list, list) {
> @@ -442,7 +442,7 @@ EXPORT_SYMBOL_GPL(ocxl_link_setup);
>   
>   static void release_xsl(struct kref *ref)
>   {
> -	struct link *link = container_of(ref, struct link, ref);
> +	struct ocxl_link *link = container_of(ref, struct ocxl_link, ref);
>   
>   	list_del(&link->list);
>   	/* call platform code before releasing data */
> @@ -452,7 +452,7 @@ static void release_xsl(struct kref *ref)
>   
>   void ocxl_link_release(struct pci_dev *dev, void *link_handle)
>   {
> -	struct link *link = (struct link *) link_handle;
> +	struct ocxl_link *link = (struct ocxl_link *) link_handle;
>   
>   	mutex_lock(&links_list_lock);
>   	kref_put(&link->ref, release_xsl);
> @@ -488,7 +488,7 @@ int ocxl_link_add_pe(void *link_handle, int pasid, u32 pidr, u32 tidr,
>   		void (*xsl_err_cb)(void *data, u64 addr, u64 dsisr),
>   		void *xsl_err_data)
>   {
> -	struct link *link = (struct link *) link_handle;
> +	struct ocxl_link *link = (struct ocxl_link *) link_handle;
>   	struct spa *spa = link->spa;
>   	struct ocxl_process_element *pe;
>   	int pe_handle, rc = 0;
> @@ -558,7 +558,7 @@ EXPORT_SYMBOL_GPL(ocxl_link_add_pe);
>   
>   int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid)
>   {
> -	struct link *link = (struct link *) link_handle;
> +	struct ocxl_link *link = (struct ocxl_link *) link_handle;
>   	struct spa *spa = link->spa;
>   	struct ocxl_process_element *pe;
>   	int pe_handle, rc;
> @@ -594,7 +594,7 @@ int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid)
>   
>   int ocxl_link_remove_pe(void *link_handle, int pasid)
>   {
> -	struct link *link = (struct link *) link_handle;
> +	struct ocxl_link *link = (struct ocxl_link *) link_handle;
>   	struct spa *spa = link->spa;
>   	struct ocxl_process_element *pe;
>   	struct pe_data *pe_data;
> @@ -666,7 +666,7 @@ EXPORT_SYMBOL_GPL(ocxl_link_remove_pe);
>   
>   int ocxl_link_irq_alloc(void *link_handle, int *hw_irq, u64 *trigger_addr)
>   {
> -	struct link *link = (struct link *) link_handle;
> +	struct ocxl_link *link = (struct ocxl_link *) link_handle;
>   	int rc, irq;
>   	u64 addr;
>   
> @@ -687,7 +687,7 @@ EXPORT_SYMBOL_GPL(ocxl_link_irq_alloc);
>   
>   void ocxl_link_free_irq(void *link_handle, int hw_irq)
>   {
> -	struct link *link = (struct link *) link_handle;
> +	struct ocxl_link *link = (struct ocxl_link *) link_handle;
>   
>   	pnv_ocxl_free_xive_irq(hw_irq);
>   	atomic_inc(&link->irq_available);
> 

-- 
Andrew Donnellan              OzLabs, ADL Canberra
andrew.donnellan@au1.ibm.com  IBM Australia Limited