Re: [PATCH 02/48] fs/writeback: Convert inode_switch_wbs_work_fn to folios

[PATCH 00/48] Folios for 5.17 · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
[PATCH 03/48] mm/doc: Add documentation for folio_test_uptodate · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 03/48] mm/doc: Add documentation for folio_test_uptodate · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 04/48] mm/writeback: Improve __folio_mark_dirty() comment · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 04/48] mm/writeback: Improve __folio_mark_dirty() comment · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 05/48] pagevec: Add folio_batch · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 05/48] pagevec: Add folio_batch · Christoph Hellwig <hch@infradead.org> · 2021-12-23
Re: [PATCH 05/48] pagevec: Add folio_batch · Matthew Wilcox <willy@infradead.org> · 2021-12-23
Re: [PATCH 05/48] pagevec: Add folio_batch · Christoph Hellwig <hch@infradead.org> · 2021-12-24
[PATCH 06/48] iov_iter: Add copy_folio_to_iter() · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 06/48] iov_iter: Add copy_folio_to_iter() · Christoph Hellwig <hch@infradead.org> · 2021-12-23
Re: [PATCH 06/48] iov_iter: Add copy_folio_to_iter() · Matthew Wilcox <willy@infradead.org> · 2021-12-23
[PATCH 07/48] iov_iter: Convert iter_xarray to use folios · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 07/48] iov_iter: Convert iter_xarray to use folios · Christoph Hellwig <hch@infradead.org> · 2021-12-23
Re: [PATCH 07/48] iov_iter: Convert iter_xarray to use folios · Matthew Wilcox <willy@infradead.org> · 2021-12-23
Re: [PATCH 07/48] iov_iter: Convert iter_xarray to use folios · David Howells <dhowells@redhat.com> · 2021-12-23
Re: [PATCH 07/48] iov_iter: Convert iter_xarray to use folios · Christoph Hellwig <hch@infradead.org> · 2021-12-24
[PATCH 08/48] mm: Add folio_test_pmd_mappable() · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 08/48] mm: Add folio_test_pmd_mappable() · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 11/48] filemap: Add filemap_unaccount_folio() · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 11/48] filemap: Add filemap_unaccount_folio() · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 09/48] filemap: Add folio_put_wait_locked() · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 09/48] filemap: Add folio_put_wait_locked() · Christoph Hellwig <hch@infradead.org> · 2021-12-23
Re: [PATCH 09/48] filemap: Add folio_put_wait_locked() · Matthew Wilcox <willy@infradead.org> · 2021-12-23
[PATCH 12/48] filemap: Convert tracing of page cache operations to folio · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 12/48] filemap: Convert tracing of page cache operations to folio · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 10/48] filemap: Convert page_cache_delete to take a folio · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 10/48] filemap: Convert page_cache_delete to take a folio · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 13/48] filemap: Add filemap_remove_folio and __filemap_remove_folio · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 13/48] filemap: Add filemap_remove_folio and __filemap_remove_folio · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 15/48] filemap: Remove thp_contains() · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 15/48] filemap: Remove thp_contains() · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 18/48] filemap: Convert filemap_read_page to take a folio · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 18/48] filemap: Convert filemap_read_page to take a folio · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 14/48] filemap: Convert find_get_entry to return a folio · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 14/48] filemap: Convert find_get_entry to return a folio · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 29/48] filemap: Use a folio in filemap_map_pages · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
[PATCH 31/48] filemap: Add filemap_release_folio() · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
[PATCH 26/48] filemap: Convert filemap_get_pages to use folios · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 26/48] filemap: Convert filemap_get_pages to use folios · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 28/48] filemap: Use folios in next_uptodate_page · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
[PATCH 24/48] filemap: Convert filemap_fault to folio · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 24/48] filemap: Convert filemap_fault to folio · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 01/48] filemap: Remove PageHWPoison check from next_uptodate_page() · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 01/48] filemap: Remove PageHWPoison check from next_uptodate_page() · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 19/48] filemap: Convert filemap_create_page to folio · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 19/48] filemap: Convert filemap_create_page to folio · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 21/48] readahead: Convert page_cache_async_ra() to take a folio · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 21/48] readahead: Convert page_cache_async_ra() to take a folio · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 20/48] filemap: Convert filemap_range_uptodate to folios · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 20/48] filemap: Convert filemap_range_uptodate to folios · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 17/48] filemap: Convert find_get_pages_contig to folios · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 17/48] filemap: Convert find_get_pages_contig to folios · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 35/48] truncate,shmem: Add truncate_inode_folio() · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
[PATCH 02/48] fs/writeback: Convert inode_switch_wbs_work_fn to folios · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 02/48] fs/writeback: Convert inode_switch_wbs_work_fn to folios · Christoph Hellwig <hch@infradead.org> · 2021-12-23
Re: [PATCH 02/48] fs/writeback: Convert inode_switch_wbs_work_fn to folios · Matthew Wilcox <willy@infradead.org> · 2021-12-23
[PATCH 40/48] filemap: Convert filemap_get_read_batch() to use a folio_batch · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
[PATCH 39/48] filemap: Convert filemap_read() to use a folio · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
[PATCH 37/48] truncate: Convert invalidate_inode_pages2_range() to use a folio · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
[PATCH 38/48] truncate: Add invalidate_complete_folio2() · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
[PATCH 45/48] truncate: Convert invalidate_inode_pages2_range to folios · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
[PATCH 41/48] filemap: Return only folios from find_get_entries() · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
[PATCH 43/48] mm: Remove pagevec_remove_exceptionals() · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
[PATCH 46/48] truncate,shmem: Handle truncates that split large folios · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 46/48] truncate,shmem: Handle truncates that split large folios · Matthew Wilcox <willy@infradead.org> · 2021-12-08
[PATCH 36/48] truncate: Skip known-truncated indices · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
[PATCH 34/48] shmem: Convert part of shmem_undo_range() to use a folio · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 34/48] shmem: Convert part of shmem_undo_range() to use a folio · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 32/48] truncate: Add truncate_cleanup_folio() · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
[PATCH 33/48] mm: Add unmap_mapping_folio() · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 33/48] mm: Add unmap_mapping_folio() · Christoph Hellwig <hch@infradead.org> · 2021-12-23
Re: [PATCH 33/48] mm: Add unmap_mapping_folio() · Matthew Wilcox <willy@infradead.org> · 2022-01-02
Re: [PATCH 33/48] mm: Add unmap_mapping_folio() · Christoph Hellwig <hch@infradead.org> · 2022-01-03
[PATCH 30/48] filemap: Use a folio in filemap_page_mkwrite · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
[PATCH 27/48] filemap: Convert page_cache_delete_batch to folios · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 27/48] filemap: Convert page_cache_delete_batch to folios · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 48/48] mm: Use multi-index entries in the page cache · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
[PATCH 47/48] XArray: Add xas_advance() · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
[PATCH 44/48] fs: Convert vfs_dedupe_file_range_compare to folios · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
[PATCH 42/48] mm: Convert find_lock_entries() to use a folio_batch · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 42/48] mm: Convert find_lock_entries() to use a folio_batch · kernel test robot <hidden> · 2021-12-08
Re: [PATCH 42/48] mm: Convert find_lock_entries() to use a folio_batch · Matthew Wilcox <willy@infradead.org> · 2021-12-08
[PATCH 25/48] filemap: Add read_cache_folio and read_mapping_folio · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 25/48] filemap: Add read_cache_folio and read_mapping_folio · Christoph Hellwig <hch@infradead.org> · 2021-12-23
Re: [PATCH 25/48] filemap: Add read_cache_folio and read_mapping_folio · Matthew Wilcox <willy@infradead.org> · 2021-12-23
Re: [PATCH 25/48] filemap: Add read_cache_folio and read_mapping_folio · Matthew Wilcox <willy@infradead.org> · 2021-12-23
Re: [PATCH 25/48] filemap: Add read_cache_folio and read_mapping_folio · Matthew Wilcox <willy@infradead.org> · 2021-12-23
[PATCH 23/48] filemap: Convert do_async_mmap_readahead to take a folio · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 23/48] filemap: Convert do_async_mmap_readahead to take a folio · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 22/48] readahead: Convert page_cache_ra_unbounded to folios · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 22/48] readahead: Convert page_cache_ra_unbounded to folios · Christoph Hellwig <hch@infradead.org> · 2021-12-23
[PATCH 16/48] filemap: Convert filemap_get_read_batch to use folios · "Matthew Wilcox (Oracle)" <willy@infradead.org> · 2021-12-08
Re: [PATCH 16/48] filemap: Convert filemap_get_read_batch to use folios · Christoph Hellwig <hch@infradead.org> · 2021-12-23
Re: [PATCH 00/48] Folios for 5.17 · William Kucharski <hidden> · 2021-12-26
Re: [PATCH 00/48] Folios for 5.17 · Matthew Wilcox <willy@infradead.org> · 2022-01-03
Re: [PATCH 00/48] Folios for 5.17 · William Kucharski <hidden> · 2022-01-03
Re: [PATCH 00/48] Folios for 5.17 · Matthew Wilcox <willy@infradead.org> · 2022-01-02
Re: [PATCH 00/48] Folios for 5.17 · William Kucharski <hidden> · 2022-01-02
Re: [PATCH 00/48] Folios for 5.17 · Hugh Dickins <hughd@google.com> · 2022-01-03
Re: [PATCH 00/48] Folios for 5.17 · Matthew Wilcox <willy@infradead.org> · 2022-01-03
Re: [PATCH 00/48] Folios for 5.17 · Christoph Hellwig <hch@infradead.org> · 2022-01-03
Re: [PATCH 00/48] Folios for 5.17 · Matthew Wilcox <willy@infradead.org> · 2022-01-08
Re: [PATCH 00/48] Folios for 5.17 · Hugh Dickins <hughd@google.com> · 2022-01-08
Re: [PATCH 00/48] Folios for 5.17 · Matthew Wilcox <willy@infradead.org> · 2022-01-08
Re: [PATCH 00/48] Folios for 5.17 · Hugh Dickins <hughd@google.com> · 2022-01-08

From: Christoph Hellwig <hch@infradead.org>
Date: 2021-12-23 06:50:22
Also in: linux-fsdevel

On Wed, Dec 08, 2021 at 04:22:10AM +0000, Matthew Wilcox (Oracle) wrote:

This gets the statistics correct by modifying the counters by the
number of pages in the folio instead of by 1.

We can't actually hit this for a multi-page folio yet, can we?
So this should be more of a prep patch?

Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>

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