linux-kernel - [PATCH 2/4] block: make 'struct bvec_iter' not depend on CONFIG

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Message-Id: <1457436586-26833-3-git-send-email-ming.lei@canonical.com>
Date:	Tue,  8 Mar 2016 19:29:44 +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>,
	Ming Lei <ming.lei@...onical.com>
Subject: [PATCH 2/4] block: make 'struct bvec_iter' not depend on CONFIG_BLOCK

So that we can use bvec iterator to implement iterate_bvec(): lib/iov_iter.c.

Signed-off-by: Ming Lei <ming.lei@...onical.com>
---
 include/linux/blk_types.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 86a38ea..fd8527b 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -26,8 +26,6 @@ struct bio_vec {
 	unsigned int	bv_offset;
 };
 
-#ifdef CONFIG_BLOCK
-
 struct bvec_iter {
 	sector_t		bi_sector;	/* device address in 512 byte
 						   sectors */
@@ -39,6 +37,8 @@ struct bvec_iter {
 						   current bvec */
 };
 
+#ifdef CONFIG_BLOCK
+
 /*
  * main unit of I/O for the block layer and lower layers (ie drivers and
  * stacking drivers)
-- 
1.9.1