[merged] fs-bufferc-use-attach-detach_page_private.patch removed from -mm tree

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The patch titled
     Subject: fs/buffer.c: use attach/detach_page_private
has been removed from the -mm tree.  Its filename was
     fs-bufferc-use-attach-detach_page_private.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Guoqing Jiang <guoqing.jiang@xxxxxxxxxxxxxxx>
Subject: fs/buffer.c: use attach/detach_page_private

Since the new pair function is introduced, we can call them to clean the
code in buffer.c.

Link: http://lkml.kernel.org/r/20200517214718.468-5-guoqing.jiang@xxxxxxxxxxxxxxx
Signed-off-by: Guoqing Jiang <guoqing.jiang@xxxxxxxxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 fs/buffer.c |   16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

--- a/fs/buffer.c~fs-bufferc-use-attach-detach_page_private
+++ a/fs/buffer.c
@@ -123,14 +123,6 @@ void __wait_on_buffer(struct buffer_head
 }
 EXPORT_SYMBOL(__wait_on_buffer);
 
-static void
-__clear_page_buffers(struct page *page)
-{
-	ClearPagePrivate(page);
-	set_page_private(page, 0);
-	put_page(page);
-}
-
 static void buffer_io_error(struct buffer_head *bh, char *msg)
 {
 	if (!test_bit(BH_Quiet, &bh->b_state))
@@ -906,7 +898,7 @@ link_dev_buffers(struct page *page, stru
 		bh = bh->b_this_page;
 	} while (bh);
 	tail->b_this_page = head;
-	attach_page_buffers(page, head);
+	attach_page_private(page, head);
 }
 
 static sector_t blkdev_max_block(struct block_device *bdev, unsigned int size)
@@ -1587,7 +1579,7 @@ void create_empty_buffers(struct page *p
 			bh = bh->b_this_page;
 		} while (bh != head);
 	}
-	attach_page_buffers(page, head);
+	attach_page_private(page, head);
 	spin_unlock(&page->mapping->private_lock);
 }
 EXPORT_SYMBOL(create_empty_buffers);
@@ -2574,7 +2566,7 @@ static void attach_nobh_buffers(struct p
 			bh->b_this_page = head;
 		bh = bh->b_this_page;
 	} while (bh != head);
-	attach_page_buffers(page, head);
+	attach_page_private(page, head);
 	spin_unlock(&page->mapping->private_lock);
 }
 
@@ -3234,7 +3226,7 @@ drop_buffers(struct page *page, struct b
 		bh = next;
 	} while (bh != head);
 	*buffers_to_free = head;
-	__clear_page_buffers(page);
+	detach_page_private(page);
 	return 1;
 failed:
 	return 0;
_

Patches currently in -mm which might be from guoqing.jiang@xxxxxxxxxxxxxxx are





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