linux-kernel - [PATCH] async_xor: Remove unused 'async_xor

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Message-ID: <20240929132148.44792-1-linux@treblig.org>
Date: Sun, 29 Sep 2024 14:21:48 +0100
From: linux@...blig.org
To: dan.j.williams@...el.com,
	herbert@...dor.apana.org.au
Cc: linux-crypto@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"Dr. David Alan Gilbert" <linux@...blig.org>
Subject: [PATCH] async_xor: Remove unused 'async_xor_val'

From: "Dr. David Alan Gilbert" <linux@...blig.org>

async_xor_val has been unused since commit
a7c224a820c3 ("md/raid5: convert to new xor compution interface")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@...blig.org>
---
 crypto/async_tx/async_xor.c | 26 --------------------------
 include/linux/async_tx.h    |  5 -----
 2 files changed, 31 deletions(-)

diff --git a/crypto/async_tx/async_xor.c b/crypto/async_tx/async_xor.c
index 1a3855284091..2c499654a36c 100644
--- a/crypto/async_tx/async_xor.c
+++ b/crypto/async_tx/async_xor.c
@@ -389,32 +389,6 @@ async_xor_val_offs(struct page *dest, unsigned int offset,
 }
 EXPORT_SYMBOL_GPL(async_xor_val_offs);
 
-/**
- * async_xor_val - attempt a xor parity check with a dma engine.
- * @dest: destination page used if the xor is performed synchronously
- * @src_list: array of source pages
- * @offset: offset in pages to start transaction
- * @src_cnt: number of source pages
- * @len: length in bytes
- * @result: 0 if sum == 0 else non-zero
- * @submit: submission / completion modifiers
- *
- * honored flags: ASYNC_TX_ACK
- *
- * src_list note: if the dest is also a source it must be at index zero.
- * The contents of this array will be overwritten if a scribble region
- * is not specified.
- */
-struct dma_async_tx_descriptor *
-async_xor_val(struct page *dest, struct page **src_list, unsigned int offset,
-	      int src_cnt, size_t len, enum sum_check_flags *result,
-	      struct async_submit_ctl *submit)
-{
-	return async_xor_val_offs(dest, offset, src_list, NULL, src_cnt,
-			len, result, submit);
-}
-EXPORT_SYMBOL_GPL(async_xor_val);
-
 MODULE_AUTHOR("Intel Corporation");
 MODULE_DESCRIPTION("asynchronous xor/xor-zero-sum api");
 MODULE_LICENSE("GPL");
diff --git a/include/linux/async_tx.h b/include/linux/async_tx.h
index 5cc73d7e5b52..1ca9f9e05f4f 100644
--- a/include/linux/async_tx.h
+++ b/include/linux/async_tx.h
@@ -167,11 +167,6 @@ async_xor_offs(struct page *dest, unsigned int offset,
 		struct page **src_list, unsigned int *src_offset,
 		int src_cnt, size_t len, struct async_submit_ctl *submit);
 
-struct dma_async_tx_descriptor *
-async_xor_val(struct page *dest, struct page **src_list, unsigned int offset,
-	      int src_cnt, size_t len, enum sum_check_flags *result,
-	      struct async_submit_ctl *submit);
-
 struct dma_async_tx_descriptor *
 async_xor_val_offs(struct page *dest, unsigned int offset,
 		struct page **src_list, unsigned int *src_offset,
-- 
2.46.2