| From: "Matthew Wilcox (Oracle)" <willy@infradead.org> |
| Subject: nilfs2: convert nilfs_writepage() to use a folio |
| Date: Tue, 14 Nov 2023 17:44:22 +0900 |
| |
| Convert the incoming page to a folio. Replaces three calls to |
| compound_head() with one. |
| |
| Link: https://lkml.kernel.org/r/20231114084436.2755-7-konishi.ryusuke@gmail.com |
| Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> |
| Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com> |
| Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
| --- |
| |
| fs/nilfs2/inode.c | 9 +++++---- |
| 1 file changed, 5 insertions(+), 4 deletions(-) |
| |
| --- a/fs/nilfs2/inode.c~nilfs2-convert-nilfs_writepage-to-use-a-folio |
| +++ a/fs/nilfs2/inode.c |
| @@ -175,7 +175,8 @@ static int nilfs_writepages(struct addre |
| |
| static int nilfs_writepage(struct page *page, struct writeback_control *wbc) |
| { |
| - struct inode *inode = page->mapping->host; |
| + struct folio *folio = page_folio(page); |
| + struct inode *inode = folio->mapping->host; |
| int err; |
| |
| if (sb_rdonly(inode->i_sb)) { |
| @@ -186,12 +187,12 @@ static int nilfs_writepage(struct page * |
| * So, here we simply discard this dirty page. |
| */ |
| nilfs_clear_dirty_page(page, false); |
| - unlock_page(page); |
| + folio_unlock(folio); |
| return -EROFS; |
| } |
| |
| - redirty_page_for_writepage(wbc, page); |
| - unlock_page(page); |
| + folio_redirty_for_writepage(wbc, folio); |
| + folio_unlock(folio); |
| |
| if (wbc->sync_mode == WB_SYNC_ALL) { |
| err = nilfs_construct_segment(inode->i_sb); |
| _ |
