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mm/filemap: use folio_next_index() for start

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Use folio_next_index() instead of open-coding folio->index +
folio_nr_pages(folio) when updating @start in filemap_get_folios_contig(),
filemap_get_folios_tag(), and filemap_get_folios_dirty().

Link: https://lore.kernel.org/20260601110425.44784-1-tanze@kylinos.cn
Signed-off-by: tanze <tanze@kylinos.cn>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
tanze 2026-06-01 19:04:23 +08:00 committed by Andrew Morton
parent c55dd3b46c
commit a51cbdf02a
1 changed files with 3 additions and 6 deletions
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9
mm/filemap.c
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@ -2284,8 +2284,7 @@ unsigned filemap_get_folios_contig(struct address_space *mapping,
goto put_folio;
if (!folio_batch_add(fbatch, folio)) {
nr = folio_nr_pages(folio);
*start = folio->index + nr;
*start = folio_next_index(folio);
goto out;
}
xas_advance(&xas, folio_next_index(folio) - 1);
@ -2345,8 +2344,7 @@ unsigned filemap_get_folios_tag(struct address_space *mapping, pgoff_t *start,
if (xa_is_value(folio))
continue;
if (!folio_batch_add(fbatch, folio)) {
unsigned long nr = folio_nr_pages(folio);
*start = folio->index + nr;
*start = folio_next_index(folio);
goto out;
}
}
@ -2404,8 +2402,7 @@ unsigned filemap_get_folios_dirty(struct address_space *mapping, pgoff_t *start,
}
}
if (!folio_batch_add(fbatch, folio)) {
unsigned long nr = folio_nr_pages(folio);
*start = folio->index + nr;
*start = folio_next_index(folio);
goto out;
}
}