diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-09-02 20:46:36 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-10-03 14:02:52 -0700 |
| commit | 71fa1a533d2e027a3df98fd065605bebab42d7bf (patch) | |
| tree | 0034f070901afe829a3b0d66bb811934adcda459 /mm | |
| parent | aedd74d4397a2b1a4882215b6169b47d139c0319 (diff) | |
| download | linux-71fa1a533d2e027a3df98fd065605bebab42d7bf.tar.bz2 | |
swap: convert swap_writepage() to use a folio
Removes many calls to compound_head().
Link: https://lkml.kernel.org/r/20220902194653.1739778-41-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page_io.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/mm/page_io.c b/mm/page_io.c index fc6b3fb1f7c5..2af34dd8fa4d 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -180,29 +180,30 @@ bad_bmap: */ int swap_writepage(struct page *page, struct writeback_control *wbc) { + struct folio *folio = page_folio(page); int ret = 0; - if (try_to_free_swap(page)) { - unlock_page(page); + if (folio_free_swap(folio)) { + folio_unlock(folio); goto out; } /* * Arch code may have to preserve more data than just the page * contents, e.g. memory tags. */ - ret = arch_prepare_to_swap(page); + ret = arch_prepare_to_swap(&folio->page); if (ret) { - set_page_dirty(page); - unlock_page(page); + folio_mark_dirty(folio); + folio_unlock(folio); goto out; } - if (frontswap_store(page) == 0) { - set_page_writeback(page); - unlock_page(page); - end_page_writeback(page); + if (frontswap_store(&folio->page) == 0) { + folio_start_writeback(folio); + folio_unlock(folio); + folio_end_writeback(folio); goto out; } - ret = __swap_writepage(page, wbc); + ret = __swap_writepage(&folio->page, wbc); out: return ret; } |