async_xor: Remove unused 'async_xor_val'

JIRA: https://issues.redhat.com/browse/RHEL-83988

commit 20238d4
Author: Dr. David Alan Gilbert <[email protected]>
Date:   Sun Sep 29 14:21:48 2024 +0100

    async_xor: Remove unused 'async_xor_val'

    async_xor_val has been unused since commit
    a7c224a ("md/raid5: convert to new xor compution interface")

    Remove it.

    Signed-off-by: Dr. David Alan Gilbert <[email protected]>
    Signed-off-by: Herbert Xu <[email protected]>

Signed-off-by: Nigel Croxon <[email protected]>

Author: ncroxon

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");

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,