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[PATCH 2/8] block: make 'struct bvec_iter' not depend on CONFIG_BLOCK

To: Jens Axboe <axboe@xxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx
Subject: [PATCH 2/8] block: make 'struct bvec_iter' not depend on CONFIG_BLOCK
From: Ming Lei <ming.lei@xxxxxxxxxxxxx>
Date: Tue, 22 Mar 2016 14:12:23 +0800
Cc: linux-block@xxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Anton Altaparmakov <anton@xxxxxxxxxx>, xfs@xxxxxxxxxxx, Dave Chinner <david@xxxxxxxxxxxxx>, drbd-dev@xxxxxxxxxxxxxxxx, Philipp Reisner <philipp.reisner@xxxxxxxxxx>, Lars Ellenberg <lars.ellenberg@xxxxxxxxxx>, Boaz Harrosh <boaz@xxxxxxxxxxxxx>, Ming Lei <ming.lei@xxxxxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <1458627149-12988-1-git-send-email-ming.lei@xxxxxxxxxxxxx>
References: <1458627149-12988-1-git-send-email-ming.lei@xxxxxxxxxxxxx>
We will use bvec iterator to implement iterate_bvec(): lib/iov_iter.c.

Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxxxxx>
---
 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

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