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mm: increase usage of folio_next_index() helper
Simplify code pattern of 'folio->index + folio_nr_pages(folio)' by using the existing helper folio_next_index(). Link: https://lkml.kernel.org/r/20230627174349.491803-1-sidhartha.kumar@oracle.com Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com> Suggested-by: Christoph Hellwig <hch@infradead.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Andreas Dilger <adilger.kernel@dilger.ca> Cc: Christoph Hellwig <hch@infradead.org> Cc: Hugh Dickins <hughd@google.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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@ -1569,7 +1569,7 @@ static void mpage_release_unused_pages(struct mpage_da_data *mpd,
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if (folio->index < mpd->first_page)
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continue;
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if (folio->index + folio_nr_pages(folio) - 1 > end)
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if (folio_next_index(folio) - 1 > end)
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continue;
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BUG_ON(!folio_test_locked(folio));
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BUG_ON(folio_test_writeback(folio));
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@ -2455,7 +2455,7 @@ static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd)
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if (mpd->map.m_len == 0)
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mpd->first_page = folio->index;
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mpd->next_page = folio->index + folio_nr_pages(folio);
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mpd->next_page = folio_next_index(folio);
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/*
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* Writeout when we cannot modify metadata is simple.
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* Just submit the page. For data=journal mode we
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@ -2075,7 +2075,7 @@ unsigned find_lock_entries(struct address_space *mapping, pgoff_t *start,
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if (!xa_is_value(folio)) {
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if (folio->index < *start)
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goto put;
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if (folio->index + folio_nr_pages(folio) - 1 > end)
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if (folio_next_index(folio) - 1 > end)
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goto put;
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if (!folio_trylock(folio))
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goto put;
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@ -2174,7 +2174,7 @@ bool folio_more_pages(struct folio *folio, pgoff_t index, pgoff_t max)
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return false;
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if (index >= max)
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return false;
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return index < folio->index + folio_nr_pages(folio) - 1;
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return index < folio_next_index(folio) - 1;
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}
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/**
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@ -2242,7 +2242,7 @@ update_start:
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if (folio_test_hugetlb(folio))
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*start = folio->index + 1;
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else
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*start = folio->index + folio_nr_pages(folio);
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*start = folio_next_index(folio);
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}
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out:
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rcu_read_unlock();
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@ -2359,7 +2359,7 @@ static void filemap_get_read_batch(struct address_space *mapping,
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break;
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if (folio_test_readahead(folio))
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break;
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xas_advance(&xas, folio->index + folio_nr_pages(folio) - 1);
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xas_advance(&xas, folio_next_index(folio) - 1);
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continue;
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put_folio:
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folio_put(folio);
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@ -3495,7 +3495,7 @@ void unmap_mapping_folio(struct folio *folio)
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VM_BUG_ON(!folio_test_locked(folio));
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first_index = folio->index;
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last_index = folio->index + folio_nr_pages(folio) - 1;
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last_index = folio_next_index(folio) - 1;
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details.even_cows = false;
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details.single_folio = folio;
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@ -970,7 +970,7 @@ static void shmem_undo_range(struct inode *inode, loff_t lstart, loff_t lend,
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same_folio = lend < folio_pos(folio) + folio_size(folio);
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folio_mark_dirty(folio);
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if (!truncate_inode_partial_folio(folio, lstart, lend)) {
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start = folio->index + folio_nr_pages(folio);
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start = folio_next_index(folio);
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if (same_folio)
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end = folio->index;
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}
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@ -378,7 +378,7 @@ void truncate_inode_pages_range(struct address_space *mapping,
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if (!IS_ERR(folio)) {
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same_folio = lend < folio_pos(folio) + folio_size(folio);
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if (!truncate_inode_partial_folio(folio, lstart, lend)) {
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start = folio->index + folio_nr_pages(folio);
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start = folio_next_index(folio);
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if (same_folio)
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end = folio->index;
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}
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