mirror of
https://github.com/torvalds/linux.git
synced 2024-12-03 17:41:22 +00:00
bf06bad958
Return statements in functions returning bool should use true or false instead of an integer value. This code was detected with the help of Coccinelle. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
24 lines
625 B
C
24 lines
625 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <linux/bio.h>
|
|
#include <linux/io.h>
|
|
#include <linux/export.h>
|
|
#include <xen/page.h>
|
|
|
|
bool xen_biovec_phys_mergeable(const struct bio_vec *vec1,
|
|
const struct bio_vec *vec2)
|
|
{
|
|
#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));
|
|
|
|
return bfn1 + PFN_DOWN(vec1->bv_offset + vec1->bv_len) == bfn2;
|
|
#else
|
|
/*
|
|
* XXX: Add support for merging bio_vec when using different page
|
|
* size in Xen and Linux.
|
|
*/
|
|
return false;
|
|
#endif
|
|
}
|
|
EXPORT_SYMBOL(xen_biovec_phys_mergeable);
|