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        Mon, 18 Dec 2017 07:33:30 -0500
From: Ming Lei <ming.lei@redhat.com>
To: Jens Axboe <axboe@fb.com>, Christoph Hellwig <hch@infradead.org>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        Kent Overstreet <kent.overstreet@gmail.com>
Cc: Huang Ying <ying.huang@intel.com>, linux-kernel@vger.kernel.org,
        linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        linux-mm@kvack.org, Theodore Ts'o <tytso@mit.edu>,
        "Darrick J . Wong" <darrick.wong@oracle.com>,
        Coly Li <colyli@suse.de>, Filipe Manana <fdmanana@gmail.com>,
        Ming Lei <ming.lei@redhat.com>
Subject: [PATCH V4 44/45] block: always define BIO_MAX_PAGES as 256
Date: Mon, 18 Dec 2017 20:22:46 +0800
Message-Id: <20171218122247.3488-45-ming.lei@redhat.com>
In-Reply-To: <20171218122247.3488-1-ming.lei@redhat.com>
References: <20171218122247.3488-1-ming.lei@redhat.com>
Sender: linux-block-owner@vger.kernel.org
List-Id: linux-block@vger.kernel.org

Now multipage bvec can cover CONFIG_THP_SWAP, so we don't need to
increase BIO_MAX_PAGES for it.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
---
 include/linux/bio.h | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/include/linux/bio.h b/include/linux/bio.h
index 5c5cd34c9fa3..2bf1e96c5157 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -38,15 +38,7 @@
 #define BIO_BUG_ON
 #endif
 
-#ifdef CONFIG_THP_SWAP
-#if HPAGE_PMD_NR > 256
-#define BIO_MAX_PAGES		HPAGE_PMD_NR
-#else
 #define BIO_MAX_PAGES		256
-#endif
-#else
-#define BIO_MAX_PAGES		256
-#endif
 
 #define bio_prio(bio)			(bio)->bi_ioprio
 #define bio_set_prio(bio, prio)		((bio)->bi_ioprio = prio)
-- 
2.9.5

From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <owner-linux-mm@kvack.org>
From: Ming Lei <ming.lei@redhat.com>
To: Jens Axboe <axboe@fb.com>,
	Christoph Hellwig <hch@infradead.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Kent Overstreet <kent.overstreet@gmail.com>
Cc: Huang Ying <ying.huang@intel.com>,
	linux-kernel@vger.kernel.org,
	linux-block@vger.kernel.org,
	linux-fsdevel@vger.kernel.org,
	linux-mm@kvack.org,
	Theodore Ts'o <tytso@mit.edu>,
	"Darrick J . Wong" <darrick.wong@oracle.com>,
	Coly Li <colyli@suse.de>,
	Filipe Manana <fdmanana@gmail.com>,
	Ming Lei <ming.lei@redhat.com>
Subject: [PATCH V4 44/45] block: always define BIO_MAX_PAGES as 256
Date: Mon, 18 Dec 2017 20:22:46 +0800
Message-Id: <20171218122247.3488-45-ming.lei@redhat.com>
In-Reply-To: <20171218122247.3488-1-ming.lei@redhat.com>
References: <20171218122247.3488-1-ming.lei@redhat.com>
Sender: owner-linux-mm@kvack.org
List-ID: <linux-fsdevel.vger.kernel.org>

Now multipage bvec can cover CONFIG_THP_SWAP, so we don't need to
increase BIO_MAX_PAGES for it.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
---
 include/linux/bio.h | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/include/linux/bio.h b/include/linux/bio.h
index 5c5cd34c9fa3..2bf1e96c5157 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -38,15 +38,7 @@
 #define BIO_BUG_ON
 #endif
 
-#ifdef CONFIG_THP_SWAP
-#if HPAGE_PMD_NR > 256
-#define BIO_MAX_PAGES		HPAGE_PMD_NR
-#else
 #define BIO_MAX_PAGES		256
-#endif
-#else
-#define BIO_MAX_PAGES		256
-#endif
 
 #define bio_prio(bio)			(bio)->bi_ioprio
 #define bio_set_prio(bio, prio)		((bio)->bi_ioprio = prio)
-- 
2.9.5

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