From a5b47a40bed8b19e956872fb55097d676a68f59e Mon Sep 17 00:00:00 2001
From: Damien Le Moal <damien.lemoal@wdc.com>
Date: Thu, 27 Jun 2019 11:59:41 +0900
Subject: [PATCH] block: Remove unused code
bio_flush_dcache_pages() is unused. Remove it.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
block/bio.c | 12 ------------
include/linux/bio.h | 11 -----------
2 files changed, 23 deletions(-)
diff --git a/block/bio.c b/block/bio.c
index ad9c3aa9bf7df..bb55b94bb3612 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1760,18 +1760,6 @@ void generic_end_io_acct(struct request_queue *q, int req_op,
}
EXPORT_SYMBOL(generic_end_io_acct);
-#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
-void bio_flush_dcache_pages(struct bio *bi)
-{
- struct bio_vec bvec;
- struct bvec_iter iter;
-
- bio_for_each_segment(bvec, bi, iter)
- flush_dcache_page(bvec.bv_page);
-}
-EXPORT_SYMBOL(bio_flush_dcache_pages);
-#endif
-
static inline bool bio_remaining_done(struct bio *bio)
{
/*
diff --git a/include/linux/bio.h b/include/linux/bio.h
index ee11c43247515..5a8ae56e09ff8 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -443,17 +443,6 @@ void generic_end_io_acct(struct request_queue *q, int op,
struct hd_struct *part,
unsigned long start_time);
-#ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
-# error "You should define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE for your platform"
-#endif
-#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
-extern void bio_flush_dcache_pages(struct bio *bi);
-#else
-static inline void bio_flush_dcache_pages(struct bio *bi)
-{
-}
-#endif
-
extern void bio_copy_data_iter(struct bio *dst, struct bvec_iter *dst_iter,
struct bio *src, struct bvec_iter *src_iter);
extern void bio_copy_data(struct bio *dst, struct bio *src);
--
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