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Message-Id: <20200430214450.10662-1-guoqing.jiang@cloud.ionos.com>
Date: Thu, 30 Apr 2020 23:44:41 +0200
From: Guoqing Jiang <guoqing.jiang@...ud.ionos.com>
To: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: hch@...radead.org, david@...morbit.com, willy@...radead.org,
Guoqing Jiang <guoqing.jiang@...ud.ionos.com>
Subject: [RFC PATCH V2 0/9] Introduce attach/clear_page_private to cleanup code
Hi,
Based on the previous thread [1], this patchset introduces attach_page_private
and clear_page_private to replace attach_page_buffers and __clear_page_buffers.
Thanks a lot for the constructive suggestions and comments from Christoph,
Matthew and Dave.
And sorry for cross post to different lists since it modifies different subsystems.
RFC -> RFC V2:
1. rename the new functions and add comments for them.
2. change the return type of attach_page_private.
3. call attach_page_private(newpage, clear_page_private(page)) to cleanup code further.
4. avoid potential use-after-free in orangefs.
[1]. https://lore.kernel.org/linux-fsdevel/20200420221424.GH5820@bombadil.infradead.org/
Thanks,
Guoqing
Guoqing Jiang (9):
include/linux/pagemap.h: introduce attach/clear_page_private
md: remove __clear_page_buffers and use attach/clear_page_private
btrfs: use attach/clear_page_private
fs/buffer.c: use attach/clear_page_private
f2fs: use attach/clear_page_private
iomap: use attach/clear_page_private
ntfs: replace attach_page_buffers with attach_page_private
orangefs: use attach/clear_page_private
buffer_head.h: remove attach_page_buffers
drivers/md/md-bitmap.c | 12 ++----------
fs/btrfs/disk-io.c | 4 +---
fs/btrfs/extent_io.c | 21 ++++++---------------
fs/btrfs/inode.c | 23 +++++------------------
fs/buffer.c | 16 ++++------------
fs/f2fs/f2fs.h | 11 ++---------
fs/iomap/buffered-io.c | 19 ++++---------------
fs/ntfs/aops.c | 2 +-
fs/ntfs/mft.c | 2 +-
fs/orangefs/inode.c | 32 ++++++--------------------------
include/linux/buffer_head.h | 8 --------
include/linux/pagemap.h | 35 +++++++++++++++++++++++++++++++++++
12 files changed, 67 insertions(+), 118 deletions(-)
--
2.17.1
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