From dfd8b4fc76d5f7ae5663328b791c4acf222c4d39 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 31 Mar 2022 05:35:23 -0700 Subject: mm: remove the pages argument to read_pages This is always an empty list or NULL with the removal of the ->readahead support, so remove it. Signed-off-by: Christoph Hellwig Reviewed-by: Al Viro Acked-by: Al Viro Signed-off-by: Matthew Wilcox (Oracle) --- mm/readahead.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/mm/readahead.c b/mm/readahead.c index 297bd0719cda..05207a663801 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -142,8 +142,7 @@ file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping) } EXPORT_SYMBOL_GPL(file_ra_state_init); -static void read_pages(struct readahead_control *rac, struct list_head *pages, - bool skip_page) +static void read_pages(struct readahead_control *rac, bool skip_page) { const struct address_space_operations *aops = rac->mapping->a_ops; struct page *page; @@ -179,7 +178,6 @@ static void read_pages(struct readahead_control *rac, struct list_head *pages, blk_finish_plug(&plug); - BUG_ON(pages && !list_empty(pages)); BUG_ON(readahead_count(rac)); out: @@ -206,7 +204,6 @@ void page_cache_ra_unbounded(struct readahead_control *ractl, { struct address_space *mapping = ractl->mapping; unsigned long index = readahead_index(ractl); - LIST_HEAD(page_pool); gfp_t gfp_mask = readahead_gfp_mask(mapping); unsigned long i; @@ -238,7 +235,7 @@ void page_cache_ra_unbounded(struct readahead_control *ractl, * have a stable reference to this page, and it's * not worth getting one just for that. */ - read_pages(ractl, &page_pool, true); + read_pages(ractl, true); i = ractl->_index + ractl->_nr_pages - index - 1; continue; } @@ -249,7 +246,7 @@ void page_cache_ra_unbounded(struct readahead_control *ractl, if (filemap_add_folio(mapping, folio, index + i, gfp_mask) < 0) { folio_put(folio); - read_pages(ractl, &page_pool, true); + read_pages(ractl, true); i = ractl->_index + ractl->_nr_pages - index - 1; continue; } @@ -263,7 +260,7 @@ void page_cache_ra_unbounded(struct readahead_control *ractl, * uptodate then the caller will launch readpage again, and * will then handle the error. */ - read_pages(ractl, &page_pool, false); + read_pages(ractl, false); filemap_invalidate_unlock_shared(mapping); memalloc_nofs_restore(nofs); } @@ -537,7 +534,7 @@ void page_cache_ra_order(struct readahead_control *ractl, ra->async_size += index - limit - 1; } - read_pages(ractl, NULL, false); + read_pages(ractl, false); /* * If there were already pages in the page cache, then we may have -- cgit v1.2.3