From ea08eeccae9297f7aabd2ef7f0c2517ac4549acc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:18:26 +0000
Subject: [PATCH] write in 30M
---
kernel/drivers/xen/biomerge.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/kernel/drivers/xen/biomerge.c b/kernel/drivers/xen/biomerge.c
index 55ed80c..05a286d 100644
--- a/kernel/drivers/xen/biomerge.c
+++ b/kernel/drivers/xen/biomerge.c
@@ -1,15 +1,16 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/bio.h>
-#include <linux/io.h>
#include <linux/export.h>
+#include <xen/xen.h>
#include <xen/page.h>
+/* check if @page can be merged with 'vec1' */
bool xen_biovec_phys_mergeable(const struct bio_vec *vec1,
- const struct bio_vec *vec2)
+ const struct page *page)
{
#if XEN_PAGE_SIZE == PAGE_SIZE
unsigned long bfn1 = pfn_to_bfn(page_to_pfn(vec1->bv_page));
- unsigned long bfn2 = pfn_to_bfn(page_to_pfn(vec2->bv_page));
+ unsigned long bfn2 = pfn_to_bfn(page_to_pfn(page));
return bfn1 + PFN_DOWN(vec1->bv_offset + vec1->bv_len) == bfn2;
#else
@@ -20,4 +21,3 @@
return false;
#endif
}
-EXPORT_SYMBOL(xen_biovec_phys_mergeable);
--
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