diff options
| author |   Christoph Hellwig <hch@lst.de> | 2022-03-31 05:35:55 -0700 |
|---|---|---|
| committer |   Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-04-01 13:45:52 -0400 |
| commit | b4e089d705eef82364945abae325cd241c80e107 (patch) | |
| tree | b16f6dd1ea098f7d49a3f8fb3bb5598825515a31 /mm | |
| parent | mm: remove the pages argument to read_pages (diff) | |
| download | linux-dev-b4e089d705eef82364945abae325cd241c80e107.tar.xz linux-dev-b4e089d705eef82364945abae325cd241c80e107.zip | |
mm: remove the skip_page argument to read_pages
The skip_page argument to read_pages controls if rac->_index is
incremented before returning from the function. Just open code that in
the callers.
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>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/readahead.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/mm/readahead.c b/mm/readahead.c index 05207a663801..2e5c695b303d 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -142,14 +142,14 @@ 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, bool skip_page) +static void read_pages(struct readahead_control *rac) { const struct address_space_operations *aops = rac->mapping->a_ops; struct page *page; struct blk_plug plug; if (!readahead_count(rac)) - goto out; + return; blk_start_plug(&plug); @@ -179,10 +179,6 @@ static void read_pages(struct readahead_control *rac, bool skip_page) blk_finish_plug(&plug); BUG_ON(readahead_count(rac)); - -out: - if (skip_page) - rac->_index++; } /** @@ -235,7 +231,8 @@ 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, true); + read_pages(ractl); + ractl->_index++; i = ractl->_index + ractl->_nr_pages - index - 1; continue; } @@ -246,7 +243,8 @@ 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, true); + read_pages(ractl); + ractl->_index++; i = ractl->_index + ractl->_nr_pages - index - 1; continue; } @@ -260,7 +258,7 @@ 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, false); + read_pages(ractl); filemap_invalidate_unlock_shared(mapping); memalloc_nofs_restore(nofs); } @@ -534,7 +532,7 @@ void page_cache_ra_order(struct readahead_control *ractl, ra->async_size += index - limit - 1; } - read_pages(ractl, false); + read_pages(ractl); /* * If there were already pages in the page cache, then we may have |