From 1a89694f7899d39aa58cc6f061e97a17089ac025 Mon Sep 17 00:00:00 2001
From: Ming Lei <ming.lei@canonical.com>
Date: Fri, 10 Jun 2016 11:27:12 +0800
Subject: block: bio: kill BIO_MAX_SIZE

No one need this macro now, so remove it. Basically
only how many bvecs in one bio matters instead
of how many bytes in this bio.

The motivation is for supporting multipage bvecs, in
which we only know what the max count of bvecs is supported
in the bio.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/include/linux/bio.h b/include/linux/bio.h
index b64a3d9..b7e1a008 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -41,7 +41,6 @@
 #endif
 
 #define BIO_MAX_PAGES		256
-#define BIO_MAX_SIZE		(BIO_MAX_PAGES << PAGE_SHIFT)
 
 #define bio_prio(bio)			(bio)->bi_ioprio
 #define bio_set_prio(bio, prio)		((bio)->bi_ioprio = prio)
-- 
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