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From: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: david@fromorbit.com, hch@infradead.org, willy@infradead.org,
	Guoqing Jiang <guoqing.jiang@cloud.ionos.com>,
	Song Liu <song@kernel.org>,
	linux-raid@vger.kernel.org
Subject: [RFC PATCH V3 02/10] md: remove __clear_page_buffers and use attach/detach_page_private
Date: Thu,  7 May 2020 23:43:52 +0200	[thread overview]
Message-ID: <20200507214400.15785-3-guoqing.jiang@cloud.ionos.com> (raw)
In-Reply-To: <20200507214400.15785-1-guoqing.jiang@cloud.ionos.com>

After introduce attach/detach_page_private in pagemap.h, we can remove
the duplicat code and call the new functions.

Cc: Song Liu <song@kernel.org>
Cc: linux-raid@vger.kernel.org
Signed-off-by: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
---
RFC V2 -> RFC V3
1. rename clear_page_private to detach_page_private.

RFC -> RFC V2
1. change the name of new functions to attach/clear_page_private.

 drivers/md/md-bitmap.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index b952bd45bd6a..95a5f3757fa3 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -324,14 +324,6 @@ static void end_bitmap_write(struct buffer_head *bh, int uptodate)
 		wake_up(&bitmap->write_wait);
 }
 
-/* copied from buffer.c */
-static void
-__clear_page_buffers(struct page *page)
-{
-	ClearPagePrivate(page);
-	set_page_private(page, 0);
-	put_page(page);
-}
 static void free_buffers(struct page *page)
 {
 	struct buffer_head *bh;
@@ -345,7 +337,7 @@ static void free_buffers(struct page *page)
 		free_buffer_head(bh);
 		bh = next;
 	}
-	__clear_page_buffers(page);
+	detach_page_private(page);
 	put_page(page);
 }
 
@@ -374,7 +366,7 @@ static int read_page(struct file *file, unsigned long index,
 		ret = -ENOMEM;
 		goto out;
 	}
-	attach_page_buffers(page, bh);
+	attach_page_private(page, bh);
 	blk_cur = index << (PAGE_SHIFT - inode->i_blkbits);
 	while (bh) {
 		block = blk_cur;
-- 
2.17.1


  parent reply	other threads:[~2020-05-07 21:44 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-07 21:43 [RFC PATCH V3 0/9] Introduce attach/detach_page_private to cleanup code Guoqing Jiang
2020-05-07 21:43 ` [RFC PATCH V3 01/10] include/linux/pagemap.h: introduce attach/detach_page_private Guoqing Jiang
2020-05-07 21:43 ` Guoqing Jiang [this message]
2020-05-08  0:47   ` [RFC PATCH V3 02/10] md: remove __clear_page_buffers and use attach/detach_page_private Song Liu
2020-05-07 21:43 ` [RFC PATCH V3 03/10] btrfs: " Guoqing Jiang
2020-05-07 21:43 ` [RFC PATCH V3 04/10] fs/buffer.c: " Guoqing Jiang
2020-05-07 21:43 ` [RFC PATCH V3 05/10] f2fs: " Guoqing Jiang
2020-05-07 21:43 ` [RFC PATCH V3 06/10] iomap: " Guoqing Jiang
2020-05-07 21:43 ` [RFC PATCH V3 07/10] ntfs: replace attach_page_buffers with attach_page_private Guoqing Jiang
2020-05-07 21:43 ` [RFC PATCH V3 08/10] orangefs: use attach/detach_page_private Guoqing Jiang
2020-05-07 21:43 ` [RFC PATCH V3 09/10] buffer_head.h: remove attach_page_buffers Guoqing Jiang
2020-05-07 21:44 ` [RFC PATCH V3 10/10] mm/migrate.c: call detach_page_private to cleanup code Guoqing Jiang

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