linux-ext4 - Re: [PATCH v2 00/29] Convert most of ext4 to folios

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Message-Id: <168152543814.510202.15297028468620459894.b4-ty@mit.edu>
Date:   Fri, 14 Apr 2023 22:29:57 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     adilger.kernel@...ger.ca,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     "Theodore Ts'o" <tytso@....edu>, linux-ext4@...r.kernel.org,
        linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH v2 00/29] Convert most of ext4 to folios


On Fri, 24 Mar 2023 18:01:00 +0000, Matthew Wilcox (Oracle) wrote:
> On top of next-20230321, this converts most of ext4 to use folios instead
> of pages.  It does not enable large folios although it fixes some places
> that will need to be fixed before they can be enabled for ext4.  It does
> not convert mballoc to use folios.  write_begin() and write_end() still
> take a page parameter instead of a folio.
> 
> It does convert a lot of code away from the page APIs that we're trying
> to remove.  It does remove a lot of calls to compound_head().  I'd like
> to see it land in 6.4.
> 
> [...]

Applied, thanks!

[01/29] fs: Add FGP_WRITEBEGIN
        commit: e999a5c5a19cf3b679f3d93c49ad5f5c04e4806c
[02/29] fscrypt: Add some folio helper functions
        commit: c76e14dc13bcf89f3b55fd9dcd036a453a822d79
[03/29] ext4: Convert ext4_bio_write_page() to use a folio
        commit: cd57b77197a434709aec0e7fb8b2e6ec8479aa4e
[04/29] ext4: Convert ext4_finish_bio() to use folios
        commit: bb64c08bff6a6edbd85786c92a2cb980ed99b29f
[05/29] ext4: Turn mpage_process_page() into mpage_process_folio()
        commit: 4da2f6e3c45999e904de1edcd06c8533715cc1b5
[06/29] ext4: Convert mpage_submit_page() to mpage_submit_folio()
        commit: 81a0d3e126a0bb4300d1db259d89b839124f2cff
[07/29] ext4: Convert mpage_page_done() to mpage_folio_done()
        commit: 33483b3b6ee4328f37c3dcf702ba979e6a00bf8f
[08/29] ext4: Convert ext4_bio_write_page() to ext4_bio_write_folio()
        commit: e8d6062c50acbf1aba88ca6adaa1bcda058abeab
[09/29] ext4: Convert ext4_readpage_inline() to take a folio
        commit: 3edde93e07954a8860d67be4a2165514a083b6e8
[10/29] ext4: Convert ext4_convert_inline_data_to_extent() to use a folio
        commit: 83eba701cf6e582afa92987e34abc0b0dbcb690e
[11/29] ext4: Convert ext4_try_to_write_inline_data() to use a folio
        commit: f8f8c89f59f7ab037bfca8797e2cc613a5684f21
[12/29] ext4: Convert ext4_da_convert_inline_data_to_extent() to use a folio
        commit: 4ed9b598ac30913987ab46e0069620e6e8af82f0
[13/29] ext4: Convert ext4_da_write_inline_data_begin() to use a folio
        commit: 9a9d01f081ea29a5a8afc4504b1bc48daffa5cc1
[14/29] ext4: Convert ext4_read_inline_page() to ext4_read_inline_folio()
        commit: 6b87fbe4155007c3ab8e950c72db657f6cd990c6
[15/29] ext4: Convert ext4_write_inline_data_end() to use a folio
        commit: 6b90d4130ac8ee9cf2a179a617cfced71a18d252
[16/29] ext4: Convert ext4_write_begin() to use a folio
        commit: 4d934a5e6caa6dcdd3fbee7b96fe512a455863b6
[17/29] ext4: Convert ext4_write_end() to use a folio
        commit: 64fb31367598188a0a230b81c6f4397fa71fd033
[18/29] ext4: Use a folio in ext4_journalled_write_end()
        commit: feb22b77b855a6529675b4e998970ab461c0f446
[19/29] ext4: Convert ext4_journalled_zero_new_buffers() to use a folio
        commit: 86324a21627a40f949bf787b55c45b9856523f9d
[20/29] ext4: Convert __ext4_block_zero_page_range() to use a folio
        commit: 9d3973de9a3745ea9d38bdfb953a4c4bee81ac2a
[21/29] ext4: Convert ext4_page_nomap_can_writeout to ext4_folio_nomap_can_writeout
        commit: 02e4b04c56d03a518b958783900b22f33c6643d6
[22/29] ext4: Use a folio in ext4_da_write_begin()
        commit: 0b5a254395dc6db5c38d89e606c0298ed4c9e984
[23/29] ext4: Convert ext4_mpage_readpages() to work on folios
        commit: c0be8e6f081b3e966e21f52679b2f809b7df10b8
[24/29] ext4: Convert ext4_block_write_begin() to take a folio
        commit: 86b38c273cc68ce7b50649447d8ac0ddf3228026
[25/29] ext4: Use a folio in ext4_page_mkwrite()
        commit: 9ea0e45bd2f6cbfba787360f5ba8e18deabb7671
[26/29] ext4: Use a folio iterator in __read_end_io()
        commit: f2b229a8c6c2633c35cb7446cfabea5a6f721edc
[27/29] ext4: Convert mext_page_mkuptodate() to take a folio
        commit: 3060b6ef05603cf3c05b2b746f739b0169bd75f9
[28/29] ext4: Convert pagecache_read() to use a folio
        commit: b23fb762785babc1d6194770c88432da037c8a64
[29/29] ext4: Use a folio in ext4_read_merkle_tree_page
        commit: e9ebecf266c6657de5865a02a47c0d6b2460c526

Best regards,
-- 
Theodore Ts'o <tytso@....edu>