From: Matthew Wilcox (Oracle) Date: Mon, 16 Oct 2023 20:11:00 +0000 (+0100) Subject: nilfs2: convert nilfs_mdt_forget_block() to use a folio X-Git-Tag: microblaze-v6.8~93^2~99 X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=1a846bf3884694b2f9ecbd70011927c2fb40f224;p=linux-2.6-microblaze.git nilfs2: convert nilfs_mdt_forget_block() to use a folio Remove a number of folio->page->folio conversions. Link: https://lkml.kernel.org/r/20231016201114.1928083-14-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) Acked-by: Ryusuke Konishi Cc: Andreas Gruenbacher Cc: Pankaj Raghav Signed-off-by: Andrew Morton --- diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c index db2260d6e44d..11b7cf4acc92 100644 --- a/fs/nilfs2/mdt.c +++ b/fs/nilfs2/mdt.c @@ -356,30 +356,28 @@ int nilfs_mdt_delete_block(struct inode *inode, unsigned long block) */ int nilfs_mdt_forget_block(struct inode *inode, unsigned long block) { - pgoff_t index = (pgoff_t)block >> - (PAGE_SHIFT - inode->i_blkbits); - struct page *page; - unsigned long first_block; + pgoff_t index = block >> (PAGE_SHIFT - inode->i_blkbits); + struct folio *folio; + struct buffer_head *bh; int ret = 0; int still_dirty; - page = find_lock_page(inode->i_mapping, index); - if (!page) + folio = filemap_lock_folio(inode->i_mapping, index); + if (IS_ERR(folio)) return -ENOENT; - wait_on_page_writeback(page); + folio_wait_writeback(folio); - first_block = (unsigned long)index << - (PAGE_SHIFT - inode->i_blkbits); - if (page_has_buffers(page)) { - struct buffer_head *bh; - - bh = nilfs_page_get_nth_block(page, block - first_block); + bh = folio_buffers(folio); + if (bh) { + unsigned long first_block = index << + (PAGE_SHIFT - inode->i_blkbits); + bh = get_nth_bh(bh, block - first_block); nilfs_forget_buffer(bh); } - still_dirty = PageDirty(page); - unlock_page(page); - put_page(page); + still_dirty = folio_test_dirty(folio); + folio_unlock(folio); + folio_put(folio); if (still_dirty || invalidate_inode_pages2_range(inode->i_mapping, index, index) != 0)