linux-kernel - Re: [PATCH] idr: Remove unused ida_simple

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Date:   Wed, 23 Mar 2022 06:09:39 +0100
From:   Stephen Kitt <steve@....org>
To:     Matthew Wilcox <willy@...radead.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
CC:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] idr: Remove unused ida_simple_{get,remove}

On 22 March 2022 23:06:02 CET, Stephen Kitt <steve@....org> wrote:
>These are no longer used anywhere, remove them; update the
>nvmem-prodiver.h to refer to ida_alloc() which is what is used now
>(see drivers/nvmem/core.c).
>
>Signed-off-by: Stephen Kitt <steve@....org>
>---
> include/linux/idr.h            | 8 --------
> include/linux/nvmem-provider.h | 2 +-
> 2 files changed, 1 insertion(+), 9 deletions(-)
>
>diff --git a/include/linux/idr.h b/include/linux/idr.h
>index a0dce14090a9..273b2158a428 100644
>--- a/include/linux/idr.h
>+++ b/include/linux/idr.h
>@@ -314,14 +314,6 @@ static inline void ida_init(struct ida *ida)
> 	xa_init_flags(&ida->xa, IDA_INIT_FLAGS);
> }
> 
>-/*
>- * ida_simple_get() and ida_simple_remove() are deprecated. Use
>- * ida_alloc() and ida_free() instead respectively.
>- */
>-#define ida_simple_get(ida, start, end, gfp)	\
>-			ida_alloc_range(ida, start, (end) - 1, gfp)
>-#define ida_simple_remove(ida, id)	ida_free(ida, id)
>-
> static inline bool ida_is_empty(const struct ida *ida)
> {
> 	return xa_empty(&ida->xa);
>diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h
>index c9a3ac9efeaa..e957cdc56619 100644
>--- a/include/linux/nvmem-provider.h
>+++ b/include/linux/nvmem-provider.h
>@@ -75,7 +75,7 @@ struct nvmem_keepout {
>  *
>  * Note: A default "nvmem<id>" name will be assigned to the device if
>  * no name is specified in its configuration. In such case "<id>" is
>- * generated with ida_simple_get() and provided id field is ignored.
>+ * generated with ida_alloc() and provided id field is ignored.
>  *
>  * Note: Specifying name and setting id to -1 implies a unique device
>  * whose name is provided as-is (kept unaltered).
>
>base-commit: 5191290407668028179f2544a11ae9b57f0bcf07

Apologies for the waste of time, these are far from unused. I'm not sure why my searches didn't find anything yesterday...

Regards,

Stephen