+ nilfs2-convert-nilfs_btnode_delete-to-use-a-folio.patch added to mm-nonmm-unstable branch

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The patch titled
     Subject: nilfs2: convert nilfs_btnode_delete to use a folio
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     nilfs2-convert-nilfs_btnode_delete-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_btnode_delete-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

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------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: nilfs2: convert nilfs_btnode_delete to use a folio
Date: Tue, 14 Nov 2023 17:44:33 +0900

Saves six calls to compound_head().

Link: https://lkml.kernel.org/r/20231114084436.2755-18-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/btnode.c |   18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

--- a/fs/nilfs2/btnode.c~nilfs2-convert-nilfs_btnode_delete-to-use-a-folio
+++ a/fs/nilfs2/btnode.c
@@ -145,19 +145,19 @@ out_locked:
 void nilfs_btnode_delete(struct buffer_head *bh)
 {
 	struct address_space *mapping;
-	struct page *page = bh->b_page;
-	pgoff_t index = page_index(page);
+	struct folio *folio = bh->b_folio;
+	pgoff_t index = folio->index;
 	int still_dirty;
 
-	get_page(page);
-	lock_page(page);
-	wait_on_page_writeback(page);
+	folio_get(folio);
+	folio_lock(folio);
+	folio_wait_writeback(folio);
 
 	nilfs_forget_buffer(bh);
-	still_dirty = PageDirty(page);
-	mapping = page->mapping;
-	unlock_page(page);
-	put_page(page);
+	still_dirty = folio_test_dirty(folio);
+	mapping = folio->mapping;
+	folio_unlock(folio);
+	folio_put(folio);
 
 	if (!still_dirty && mapping)
 		invalidate_inode_pages2_range(mapping, index, index);
_

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
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




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