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Subject[PATCH 00/10] Introduce attach/detach_page_private to cleanup code
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Hell Andrew and Al,

Since no more feedback from RFC V3, I suppose the series could be ready
for merge. And Song has already acked the md patch, then all the rest
patches are for fs and mm.

So, if no further comments for the patchset, could you consider to queue
them from either of your tree to avoid potential build issue? Thank you!

RFC V3: https://lore.kernel.org/lkml/20200507214400.15785-1-guoqing.jiang@cloud.ionos.com/
RFC V3: https://lore.kernel.org/lkml/20200430214450.10662-1-guoqing.jiang@cloud.ionos.com/
RFC: https://lore.kernel.org/lkml/20200426214925.10970-1-guoqing.jiang@cloud.ionos.com/

Thanks,
Guoqing

No change since RFC V3.

RFC V2 -> RFC V3:
1. rename clear_page_private to detach_page_private.
2. Update the comments for attach/detach_page_private from Mattew.
3. add one patch to call new function in mm/migrate.c as suggested by Mattew, but
use the conservative way to keep the orginal semantics [2].


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/
[2]. https://lore.kernel.org/lkml/e4d5ddc0-877f-6499-f697-2b7c0ddbf386@cloud.ionos.com/

Guoqing Jiang (10):
include/linux/pagemap.h: introduce attach/detach_page_private
md: remove __clear_page_buffers and use attach/detach_page_private
btrfs: use attach/detach_page_private
fs/buffer.c: use attach/detach_page_private
f2fs: use attach/detach_page_private
iomap: use attach/detach_page_private
ntfs: replace attach_page_buffers with attach_page_private
orangefs: use attach/detach_page_private
buffer_head.h: remove attach_page_buffers
mm/migrate.c: call detach_page_private to cleanup code

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 | 37 +++++++++++++++++++++++++++++++++++++
mm/migrate.c | 5 +----
13 files changed, 70 insertions(+), 122 deletions(-)

--
2.17.1

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