From 86324a21627a40f949bf787b55c45b9856523f9d Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Fri, 24 Mar 2023 18:01:19 +0000 Subject: [PATCH] ext4: Convert ext4_journalled_zero_new_buffers() to use a folio Remove a call to compound_head(). Signed-off-by: Matthew Wilcox (Oracle) Link: https://lore.kernel.org/r/20230324180129.1220691-20-willy@infradead.org Signed-off-by: Theodore Ts'o --- fs/ext4/inode.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 9cf3daa11534..8d3b0742428d 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1359,24 +1359,24 @@ static int ext4_write_end(struct file *file, */ static void ext4_journalled_zero_new_buffers(handle_t *handle, struct inode *inode, - struct page *page, + struct folio *folio, unsigned from, unsigned to) { unsigned int block_start = 0, block_end; struct buffer_head *head, *bh; - bh = head = page_buffers(page); + bh = head = folio_buffers(folio); do { block_end = block_start + bh->b_size; if (buffer_new(bh)) { if (block_end > from && block_start < to) { - if (!PageUptodate(page)) { + if (!folio_test_uptodate(folio)) { unsigned start, size; start = max(from, block_start); size = min(to, block_end) - start; - zero_user(page, start, size); + folio_zero_range(folio, start, size); write_end_fn(handle, inode, bh); } clear_buffer_new(bh); @@ -1413,10 +1413,11 @@ static int ext4_journalled_write_end(struct file *file, if (unlikely(copied < len) && !folio_test_uptodate(folio)) { copied = 0; - ext4_journalled_zero_new_buffers(handle, inode, page, from, to); + ext4_journalled_zero_new_buffers(handle, inode, folio, + from, to); } else { if (unlikely(copied < len)) - ext4_journalled_zero_new_buffers(handle, inode, page, + ext4_journalled_zero_new_buffers(handle, inode, folio, from + copied, to); ret = ext4_walk_page_buffers(handle, inode, folio_buffers(folio), -- 2.50.1