linux-kernel - [PATCH 8/8] block: bio: remove BIO_MAX

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Date:	Tue, 22 Mar 2016 14:12:29 +0800
From:	Ming Lei <ming.lei@...onical.com>
To:	Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org
Cc:	linux-block@...r.kernel.org, Christoph Hellwig <hch@...radead.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Anton Altaparmakov <anton@...era.com>, xfs@....sgi.com,
	Dave Chinner <david@...morbit.com>, drbd-dev@...ts.linbit.com,
	Philipp Reisner <philipp.reisner@...bit.com>,
	Lars Ellenberg <lars.ellenberg@...bit.com>,
	Boaz Harrosh <boaz@...xistor.com>,
	Ming Lei <ming.lei@...onical.com>
Subject: [PATCH 8/8] block: bio: remove BIO_MAX_SIZE

No one need this macro now, so remove it. The motivation is
for supporting multipage bvecs, in which we only know
what the max count of bvecs is supported in the bio,
instead of max bio size.

Signed-off-by: Ming Lei <ming.lei@...onical.com>
---
 include/linux/bvec_iter.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/linux/bvec_iter.h b/include/linux/bvec_iter.h
index a979690..8ddaacf 100644
--- a/include/linux/bvec_iter.h
+++ b/include/linux/bvec_iter.h
@@ -23,7 +23,6 @@
 #include <linux/blk_types.h>
 
 #define BIO_MAX_PAGES		256
-#define BIO_MAX_SIZE		(BIO_MAX_PAGES << PAGE_CACHE_SHIFT)
 
 /*
  * various member access, note that bio_data should of course not be used
-- 
1.9.1