Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
nilfs2: convert nilfs_btnode_delete to use a folio
Saves six calls to compound_head().
Link: https://lkml.kernel.org/r/20231114084436.2755-18-konishi.ryusuke@gmail.com
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
authored by
Matthew Wilcox (Oracle)
and committed by
Andrew Morton
cf62eb2c
10c6cca9
+9
-9
+9
-9
fs/nilfs2/btnode.c
+9
-9
fs/nilfs2/btnode.c
···
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void nilfs_btnode_delete(struct buffer_head *bh)
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{
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struct address_space *mapping;
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-
struct page *page = bh->b_page;
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-
pgoff_t index = page_index(page);
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+
struct folio *folio = bh->b_folio;
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+
pgoff_t index = folio->index;
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int still_dirty;
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-
get_page(page);
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lock_page(page);
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-
wait_on_page_writeback(page);
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+
folio_get(folio);
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+
folio_lock(folio);
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+
folio_wait_writeback(folio);
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nilfs_forget_buffer(bh);
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-
still_dirty = PageDirty(page);
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-
mapping = page->mapping;
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-
unlock_page(page);
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-
put_page(page);
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+
still_dirty = folio_test_dirty(folio);
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mapping = folio->mapping;
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folio_unlock(folio);
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folio_put(folio);
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if (!still_dirty && mapping)
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invalidate_inode_pages2_range(mapping, index, index);