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fb_defio: use a folio in fb_deferred_io_work()

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Replaces three calls to compound_head() with one, which removes last
caller of page_mkclean().

Link: https://lkml.kernel.org/r/20240604114822.2089819-4-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Helge Deller <deller@gmx.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Kefeng Wang 2024-06-04 19:48:21 +08:00 committed by Andrew Morton
parent 2669324b81
commit 645b1399fa
1 changed files with 5 additions and 4 deletions
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9
drivers/video/fbdev/core/fb_defio.c
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@ -244,10 +244,11 @@ static void fb_deferred_io_work(struct work_struct *work)
/* here we mkclean the pages, then do all deferred IO */
mutex_lock(&fbdefio->lock);
list_for_each_entry(pageref, &fbdefio->pagereflist, list) {
struct page *cur = pageref->page;
lock_page(cur);
page_mkclean(cur);
unlock_page(cur);
struct folio *folio = page_folio(pageref->page);
folio_lock(folio);
folio_mkclean(folio);
folio_unlock(folio);
}
/* driver's callback with pagereflist */