[PATCH v2 21/28] iomap: Convert iomap_write_end_inline to take a folio
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: 2021-11-08 04:59:36
Also in:
linux-fsdevel, linux-xfs, lkml
Subsystem:
filesystems (vfs and infrastructure), filesystems [iomap], the rest · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds
This conversion is only safe because iomap only supports writes to inline data which starts at the beginning of the file. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de> --- fs/iomap/buffered-io.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index f4ae200adc4c..6b73d070e3a1 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c@@ -672,16 +672,16 @@ static size_t __iomap_write_end(struct inode *inode, loff_t pos, size_t len, } static size_t iomap_write_end_inline(const struct iomap_iter *iter, - struct page *page, loff_t pos, size_t copied) + struct folio *folio, loff_t pos, size_t copied) { const struct iomap *iomap = &iter->iomap; void *addr; - WARN_ON_ONCE(!PageUptodate(page)); + WARN_ON_ONCE(!folio_test_uptodate(folio)); BUG_ON(!iomap_inline_data_valid(iomap)); - flush_dcache_page(page); - addr = kmap_local_page(page) + pos; + flush_dcache_folio(folio); + addr = kmap_local_folio(folio, pos); memcpy(iomap_inline_data(iomap, pos), addr, copied); kunmap_local(addr);
@@ -699,7 +699,7 @@ static size_t iomap_write_end(struct iomap_iter *iter, loff_t pos, size_t len, size_t ret; if (srcmap->type == IOMAP_INLINE) { - ret = iomap_write_end_inline(iter, page, pos, copied); + ret = iomap_write_end_inline(iter, folio, pos, copied); } else if (srcmap->flags & IOMAP_F_BUFFER_HEAD) { ret = block_write_end(NULL, iter->inode->i_mapping, pos, len, copied, &folio->page, NULL);
--
2.33.0