Re: [PATCHSETS] v14 fsdax-rmap + v11 fsdax-reflink

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On Sun, May 08, 2022 at 10:36:06PM +0800, Shiyang Ruan wrote:
> This is a combination of two patchsets:
>  1.fsdax-rmap: https://lore.kernel.org/linux-xfs/20220419045045.1664996-1-ruansy.fnst@xxxxxxxxxxx/
>  2.fsdax-reflink: https://lore.kernel.org/linux-xfs/20210928062311.4012070-1-ruansy.fnst@xxxxxxxxxxx/
> 
>  Changes since v13 of fsdax-rmap:
>   1. Fixed mistakes during rebasing code to latest next-
>   2. Rebased to next-20220504
> 
>  Changes since v10 of fsdax-reflink:
>   1. Rebased to next-20220504 and fsdax-rmap
>   2. Dropped a needless cleanup patch: 'fsdax: Convert dax_iomap_zero to
>       iter model'
>   3. Fixed many conflicts during rebasing
>   4. Fixed a dedupe bug in Patch 05: the actuall length to compare could be
>       shorter than smap->length or dmap->length.
>   PS: There are many changes during rebasing.  I think it's better to
>       review again.
> 
> ==
> Shiyang Ruan (14):
>   fsdax-rmap:
>     dax: Introduce holder for dax_device
>     mm: factor helpers for memory_failure_dev_pagemap
>     pagemap,pmem: Introduce ->memory_failure()
>     fsdax: Introduce dax_lock_mapping_entry()
>     mm: Introduce mf_dax_kill_procs() for fsdax case

Hmm.  This patchset touches at least the dax, pagecache, and xfs
subsystems.  Assuming it's too late for 5.19, how should we stage this
for 5.20?

I could just add the entire series to iomap-5.20-merge and base the
xfs-5.20-merge off of that?  But I'm not sure what else might be landing
in the other subsystems, so I'm open to input.

--D

>     xfs: Implement ->notify_failure() for XFS
>     fsdax: set a CoW flag when associate reflink mappings
>   fsdax-reflink:
>     fsdax: Output address in dax_iomap_pfn() and rename it
>     fsdax: Introduce dax_iomap_cow_copy()
>     fsdax: Replace mmap entry in case of CoW
>     fsdax: Add dax_iomap_cow_copy() for dax zero
>     fsdax: Dedup file range to use a compare function
>     xfs: support CoW in fsdax mode
>     xfs: Add dax dedupe support
> 
>  drivers/dax/super.c         |  67 +++++-
>  drivers/md/dm.c             |   2 +-
>  drivers/nvdimm/pmem.c       |  17 ++
>  fs/dax.c                    | 398 ++++++++++++++++++++++++++++++------
>  fs/erofs/super.c            |  13 +-
>  fs/ext2/super.c             |   7 +-
>  fs/ext4/super.c             |   9 +-
>  fs/remap_range.c            |  31 ++-
>  fs/xfs/Makefile             |   5 +
>  fs/xfs/xfs_buf.c            |  10 +-
>  fs/xfs/xfs_file.c           |   9 +-
>  fs/xfs/xfs_fsops.c          |   3 +
>  fs/xfs/xfs_inode.c          |  69 ++++++-
>  fs/xfs/xfs_inode.h          |   1 +
>  fs/xfs/xfs_iomap.c          |  46 ++++-
>  fs/xfs/xfs_iomap.h          |   3 +
>  fs/xfs/xfs_mount.h          |   1 +
>  fs/xfs/xfs_notify_failure.c | 220 ++++++++++++++++++++
>  fs/xfs/xfs_reflink.c        |  12 +-
>  fs/xfs/xfs_super.h          |   1 +
>  include/linux/dax.h         |  56 ++++-
>  include/linux/fs.h          |  12 +-
>  include/linux/memremap.h    |  12 ++
>  include/linux/mm.h          |   2 +
>  include/linux/page-flags.h  |   6 +
>  mm/memory-failure.c         | 257 ++++++++++++++++-------
>  26 files changed, 1087 insertions(+), 182 deletions(-)
>  create mode 100644 fs/xfs/xfs_notify_failure.c
> 
> -- 
> 2.35.1
> 
> 
> 



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