[PATCHv1, RFC 18/33] HACK: block: bump BIO_MAX_PAGES

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We are going to do IO a huge page a time. For x86-64, it's 512 pages, so
we need to double current BIO_MAX_PAGES.

To be portable to other archtectures we need more generic solution.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
---
 include/linux/bio.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/bio.h b/include/linux/bio.h
index b7e1a00810f2..e10c67f21366 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -40,7 +40,7 @@
 #define BIO_BUG_ON
 #endif
 
-#define BIO_MAX_PAGES		256
+#define BIO_MAX_PAGES		512
 
 #define bio_prio(bio)			(bio)->bi_ioprio
 #define bio_set_prio(bio, prio)		((bio)->bi_ioprio = prio)
-- 
2.8.1

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