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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2021-03-10 11:04:19 -0500 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-01-04 13:15:34 -0500 |
| commit | 2fa4eeb800c0f8279f396abde010360f48b4b1d4 (patch) | |
| tree | 3e691cd6bf864240d25eab18b05c3df72720df13 /mm/filemap.c | |
| parent | a5d4ad098528f5753340e7df1bf903fa2c03f599 (diff) | |
| download | linux-2fa4eeb800c0f8279f396abde010360f48b4b1d4.tar.gz | |
filemap: Convert filemap_range_uptodate to folios
The only caller was already passing a head page, so this simply avoids
a call to compound_head().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index b044afef78efcb..c4f887c277d0fb 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2395,29 +2395,29 @@ static int filemap_read_folio(struct file *file, struct address_space *mapping, } static bool filemap_range_uptodate(struct address_space *mapping, - loff_t pos, struct iov_iter *iter, struct page *page) + loff_t pos, struct iov_iter *iter, struct folio *folio) { int count; - if (PageUptodate(page)) + if (folio_test_uptodate(folio)) return true; /* pipes can't handle partially uptodate pages */ if (iov_iter_is_pipe(iter)) return false; if (!mapping->a_ops->is_partially_uptodate) return false; - if (mapping->host->i_blkbits >= (PAGE_SHIFT + thp_order(page))) + if (mapping->host->i_blkbits >= folio_shift(folio)) return false; count = iter->count; - if (page_offset(page) > pos) { - count -= page_offset(page) - pos; + if (folio_pos(folio) > pos) { + count -= folio_pos(folio) - pos; pos = 0; } else { - pos -= page_offset(page); + pos -= folio_pos(folio); } - return mapping->a_ops->is_partially_uptodate(page, pos, count); + return mapping->a_ops->is_partially_uptodate(&folio->page, pos, count); } static int filemap_update_page(struct kiocb *iocb, @@ -2457,7 +2457,7 @@ static int filemap_update_page(struct kiocb *iocb, goto unlock; error = 0; - if (filemap_range_uptodate(mapping, iocb->ki_pos, iter, &folio->page)) + if (filemap_range_uptodate(mapping, iocb->ki_pos, iter, folio)) goto unlock; error = -EAGAIN; |