The patch titled
Subject: md: remove __clear_page_buffers and use attach/detach_page_private
has been added to the -mm tree. Its filename is
md-remove-__clear_page_buffers-and-use-attach-detach_page_private.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/md-remove-__clear_page_buffers-and-use-attach-detach_page_private.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/md-remove-__clear_page_buffers-and-use-attach-detach_page_private.patch
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The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Guoqing Jiang <guoqing.jiang@xxxxxxxxxxxxxxx>
Subject: md: remove __clear_page_buffers and use attach/detach_page_private
After introduction attach/detach_page_private in pagemap.h, we can remove
the duplicated code and call the new functions.
Link: http://lkml.kernel.org/r/20200517214718.468-3-guoqing.jiang@xxxxxxxxxxxxxxx
Signed-off-by: Guoqing Jiang <guoqing.jiang@xxxxxxxxxxxxxxx>
Acked-by: Song Liu <song@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/md/md-bitmap.c | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
--- a/drivers/md/md-bitmap.c~md-remove-__clear_page_buffers-and-use-attach-detach_page_private
+++ a/drivers/md/md-bitmap.c
@@ -324,14 +324,6 @@ static void end_bitmap_write(struct buff
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 *pa
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,
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;
_
Patches currently in -mm which might be from guoqing.jiang@xxxxxxxxxxxxxxx are
include-linux-pagemaph-introduce-attach-detach_page_private.patch
md-remove-__clear_page_buffers-and-use-attach-detach_page_private.patch
btrfs-use-attach-detach_page_private.patch
fs-bufferc-use-attach-detach_page_private.patch
f2fs-use-attach-detach_page_private.patch
iomap-use-attach-detach_page_private.patch
ntfs-replace-attach_page_buffers-with-attach_page_private.patch
orangefs-use-attach-detach_page_private.patch
buffer_headh-remove-attach_page_buffers.patch
mm-migratec-call-detach_page_private-to-cleanup-code.patch
