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authorChristoph Hellwig <hch@lst.de>2022-03-31 14:35:23 +0200
committerMatthew Wilcox (Oracle) <willy@infradead.org>2022-04-01 19:45:43 +0200
commitdfd8b4fc76d5f7ae5663328b791c4acf222c4d39 (patch)
tree233681aa5a0b9060f7d6676db7c4972a25abd8a3
parentfs: Remove ->readpages address space operation (diff)
downloadlinux-dfd8b4fc76d5f7ae5663328b791c4acf222c4d39.tar.xz
linux-dfd8b4fc76d5f7ae5663328b791c4acf222c4d39.zip
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 <hch@lst.de> Reviewed-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
-rw-r--r--mm/readahead.c13
1 files 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