The patch titled Subject: nilfs2: convert nilfs_find_entry to use a folio has been added to the -mm mm-nonmm-unstable branch. Its filename is nilfs2-convert-nilfs_find_entry-to-use-a-folio.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/nilfs2-convert-nilfs_find_entry-to-use-a-folio.patch This patch will later appear in the mm-nonmm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> Subject: nilfs2: convert nilfs_find_entry to use a folio Date: Mon, 27 Nov 2023 23:30:30 +0900 Use the new folio APIs to remove calls to compound_head(). [konishi.ryusuke: resolved a conflict due to style warning correction] Link: https://lkml.kernel.org/r/20231127143036.2425-12-konishi.ryusuke@xxxxxxxxx Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/nilfs2/dir.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) --- a/fs/nilfs2/dir.c~nilfs2-convert-nilfs_find_entry-to-use-a-folio +++ a/fs/nilfs2/dir.c @@ -339,7 +339,7 @@ nilfs_find_entry(struct inode *dir, cons unsigned int reclen = NILFS_DIR_REC_LEN(namelen); unsigned long start, n; unsigned long npages = dir_pages(dir); - struct page *page = NULL; + struct folio *folio = NULL; struct nilfs_inode_info *ei = NILFS_I(dir); struct nilfs_dir_entry *de; @@ -354,7 +354,7 @@ nilfs_find_entry(struct inode *dir, cons start = 0; n = start; do { - char *kaddr = nilfs_get_page(dir, n, &page); + char *kaddr = nilfs_get_folio(dir, n, &folio); if (!IS_ERR(kaddr)) { de = (struct nilfs_dir_entry *)kaddr; @@ -363,18 +363,18 @@ nilfs_find_entry(struct inode *dir, cons if (de->rec_len == 0) { nilfs_error(dir->i_sb, "zero-length directory entry"); - unmap_and_put_page(page, kaddr); + folio_release_kmap(folio, kaddr); goto out; } if (nilfs_match(namelen, name, de)) goto found; de = nilfs_next_entry(de); } - unmap_and_put_page(page, kaddr); + folio_release_kmap(folio, kaddr); } if (++n >= npages) n = 0; - /* next page is past the blocks we've got */ + /* next folio is past the blocks we've got */ if (unlikely(n > (dir->i_blocks >> (PAGE_SHIFT - 9)))) { nilfs_error(dir->i_sb, "dir %lu size %lld exceeds block count %llu", @@ -387,7 +387,7 @@ out: return NULL; found: - *res_page = page; + *res_page = &folio->page; ei->i_dir_start_lookup = n; return de; } _ Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are mm-add-folio_zero_tail-and-use-it-in-ext4.patch mm-add-folio_fill_tail-and-use-it-in-iomap.patch gfs2-convert-stuffed_readpage-to-stuffed_read_folio.patch mm-remove-test_set_page_writeback.patch afs-do-not-test-the-return-value-of-folio_start_writeback.patch smb-do-not-test-the-return-value-of-folio_start_writeback.patch mm-return-void-from-folio_start_writeback-and-related-functions.patch mm-make-mapping_evict_folio-the-preferred-way-to-evict-clean-folios.patch mm-convert-__do_fault-to-use-a-folio.patch mm-use-mapping_evict_folio-in-truncate_error_page.patch mm-convert-soft_offline_in_use_page-to-use-a-folio.patch mm-convert-isolate_page-to-mf_isolate_folio.patch mm-remove-invalidate_inode_page.patch buffer-return-bool-from-grow_dev_folio.patch buffer-calculate-block-number-inside-folio_init_buffers.patch buffer-fix-grow_buffers-for-block-size-page_size.patch buffer-cast-block-to-loff_t-before-shifting-it.patch buffer-fix-various-functions-for-block-size-page_size.patch buffer-handle-large-folios-in-__block_write_begin_int.patch buffer-fix-more-functions-for-block-size-page_size.patch gfp-include-__gfp_nowarn-in-gfp_nowait.patch memory-failure-use-a-folio-in-me_pagecache_clean.patch memory-failure-use-a-folio-in-me_pagecache_dirty.patch memory-failure-convert-delete_from_lru_cache-to-take-a-folio.patch memory-failure-use-a-folio-in-me_huge_page.patch memory-failure-convert-truncate_error_page-to-truncate_error_folio.patch fs-convert-error_remove_page-to-error_remove_folio.patch nilfs2-add-nilfs_end_folio_io.patch nilfs2-convert-nilfs_abort_logs-to-use-folios.patch nilfs2-convert-nilfs_segctor_complete_write-to-use-folios.patch nilfs2-convert-nilfs_forget_buffer-to-use-a-folio.patch nilfs2-convert-to-nilfs_folio_buffers_clean.patch nilfs2-convert-nilfs_writepage-to-use-a-folio.patch nilfs2-convert-nilfs_mdt_write_page-to-use-a-folio.patch nilfs2-convert-to-nilfs_clear_folio_dirty.patch nilfs2-convert-to-__nilfs_clear_folio_dirty.patch nilfs2-convert-nilfs_segctor_prepare_write-to-use-folios.patch nilfs2-convert-nilfs_page_mkwrite-to-use-a-folio.patch nilfs2-convert-nilfs_mdt_create_block-to-use-a-folio.patch nilfs2-convert-nilfs_mdt_submit_block-to-use-a-folio.patch nilfs2-convert-nilfs_gccache_submit_read_data-to-use-a-folio.patch nilfs2-convert-nilfs_btnode_create_block-to-use-a-folio.patch nilfs2-convert-nilfs_btnode_submit_block-to-use-a-folio.patch nilfs2-convert-nilfs_btnode_delete-to-use-a-folio.patch nilfs2-convert-nilfs_btnode_prepare_change_key-to-use-a-folio.patch nilfs2-convert-nilfs_btnode_commit_change_key-to-use-a-folio.patch nilfs2-convert-nilfs_btnode_abort_change_key-to-use-a-folio.patch nilfs2-remove-page_address-from-nilfs_set_link.patch nilfs2-remove-page_address-from-nilfs_add_link.patch nilfs2-remove-page_address-from-nilfs_delete_entry.patch nilfs2-return-the-mapped-address-from-nilfs_get_page.patch nilfs2-pass-the-mapped-address-to-nilfs_check_page.patch nilfs2-switch-to-kmap_local-for-directory-handling.patch nilfs2-add-nilfs_get_folio.patch nilfs2-convert-nilfs_readdir-to-use-a-folio.patch nilfs2-convert-nilfs_find_entry-to-use-a-folio.patch nilfs2-convert-nilfs_rename-to-use-folios.patch nilfs2-convert-nilfs_add_link-to-use-a-folio.patch nilfs2-convert-nilfs_empty_dir-to-use-a-folio.patch nilfs2-convert-nilfs_make_empty-to-use-a-folio.patch nilfs2-convert-nilfs_prepare_chunk-and-nilfs_commit_chunk-to-folios.patch nilfs2-convert-nilfs_page_bug-to-nilfs_folio_bug.patch