linux-kernel - [PATCH v2 00/19] Convert aops->migratepage to aops->migrate

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Message-Id: <20220608150249.3033815-1-willy@infradead.org>
Date:   Wed,  8 Jun 2022 16:02:30 +0100
From:   "Matthew Wilcox (Oracle)" <willy@...radead.org>
To:     linux-fsdevel@...r.kernel.org
Cc:     "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        linux-aio@...ck.org, linux-btrfs@...r.kernel.org,
        linux-ext4@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net,
        cluster-devel@...hat.com, linux-mm@...ck.org,
        linux-xfs@...r.kernel.org, linux-nfs@...r.kernel.org,
        linux-ntfs-dev@...ts.sourceforge.net, ocfs2-devel@....oracle.com,
        linux-mtd@...ts.infradead.org,
        virtualization@...ts.linux-foundation.org
Subject: [PATCH v2 00/19] Convert aops->migratepage to aops->migrate_folio

We're getting to the last aops that take a struct page.  The only
remaining ones are ->writepage, ->write_begin, ->write_end and
->error_remove_page.

Changes from v1:
 - Remove ->isolate_page from secretmem
 - Split the movable_operations from address_space_operations
 - Drop the conversions of balloon, zsmalloc and z3fold
 - Fix the build errors with hugetlbfs
 - Fix the kerneldoc errors
 - Fix the ;; typo

Matthew Wilcox (Oracle) (19):
  secretmem: Remove isolate_page
  mm: Convert all PageMovable users to movable_operations
  fs: Add aops->migrate_folio
  mm/migrate: Convert fallback_migrate_page() to
    fallback_migrate_folio()
  mm/migrate: Convert writeout() to take a folio
  mm/migrate: Convert buffer_migrate_page() to buffer_migrate_folio()
  mm/migrate: Convert expected_page_refs() to folio_expected_refs()
  btrfs: Convert btree_migratepage to migrate_folio
  nfs: Convert to migrate_folio
  mm/migrate: Convert migrate_page() to migrate_folio()
  mm/migrate: Add filemap_migrate_folio()
  btrfs: Convert btrfs_migratepage to migrate_folio
  ubifs: Convert to filemap_migrate_folio()
  f2fs: Convert to filemap_migrate_folio()
  aio: Convert to migrate_folio
  hugetlb: Convert to migrate_folio
  secretmem: Convert to migrate_folio
  fs: Remove aops->migratepage()
  mm/folio-compat: Remove migration compatibility functions

 Documentation/filesystems/locking.rst       |   5 +-
 Documentation/filesystems/vfs.rst           |  13 +-
 Documentation/vm/page_migration.rst         |  33 +--
 arch/powerpc/platforms/pseries/cmm.c        |  60 +----
 block/fops.c                                |   2 +-
 drivers/gpu/drm/i915/gem/i915_gem_userptr.c |   4 +-
 drivers/misc/vmw_balloon.c                  |  61 +----
 drivers/virtio/virtio_balloon.c             |  47 +---
 fs/aio.c                                    |  36 +--
 fs/btrfs/disk-io.c                          |  22 +-
 fs/btrfs/inode.c                            |  26 +--
 fs/ext2/inode.c                             |   4 +-
 fs/ext4/inode.c                             |   4 +-
 fs/f2fs/checkpoint.c                        |   4 +-
 fs/f2fs/data.c                              |  40 +---
 fs/f2fs/f2fs.h                              |   4 -
 fs/f2fs/node.c                              |   4 +-
 fs/gfs2/aops.c                              |   2 +-
 fs/hugetlbfs/inode.c                        |  23 +-
 fs/iomap/buffered-io.c                      |  25 --
 fs/nfs/file.c                               |   4 +-
 fs/nfs/internal.h                           |   6 +-
 fs/nfs/write.c                              |  16 +-
 fs/ntfs/aops.c                              |   6 +-
 fs/ocfs2/aops.c                             |   2 +-
 fs/ubifs/file.c                             |  29 +--
 fs/xfs/xfs_aops.c                           |   2 +-
 fs/zonefs/super.c                           |   2 +-
 include/linux/balloon_compaction.h          |   6 +-
 include/linux/buffer_head.h                 |  10 +
 include/linux/fs.h                          |  20 +-
 include/linux/iomap.h                       |   6 -
 include/linux/migrate.h                     |  48 ++--
 include/linux/page-flags.h                  |   2 +-
 include/linux/pagemap.h                     |   6 +
 include/uapi/linux/magic.h                  |   4 -
 mm/balloon_compaction.c                     |  10 +-
 mm/compaction.c                             |  34 ++-
 mm/folio-compat.c                           |  22 --
 mm/ksm.c                                    |   2 +-
 mm/migrate.c                                | 238 ++++++++++++--------
 mm/migrate_device.c                         |   3 +-
 mm/secretmem.c                              |  13 +-
 mm/shmem.c                                  |   2 +-
 mm/swap_state.c                             |   2 +-
 mm/util.c                                   |   4 +-
 mm/z3fold.c                                 |  82 +------
 mm/zsmalloc.c                               | 102 ++-------
 48 files changed, 367 insertions(+), 735 deletions(-)

-- 
2.35.1