[v9,87/96] iomap: Pass the iomap_page into iomap_set_range_uptodate

Commit Message

Matthew Wilcox May 5, 2021, 3:06 p.m. UTC

All but one caller already has the iomap_page, and we can avoid getting
it again.

Signed-off-by: Matthew Wilcox (Oracle) <[e-mail]>
---
 fs/iomap/buffered-io.c | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

Patch

diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index c36e16b87c45..f40a22a696c6 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -134,11 +134,9 @@  iomap_adjust_read_range(struct inode *inode, struct iomap_page *iop,
 	*lenp = plen;
 }
 
-static void
-iomap_iop_set_range_uptodate(struct page *page, unsigned off, unsigned len)
+static void iomap_iop_set_range_uptodate(struct page *page,
+		struct iomap_page *iop, unsigned off, unsigned len)
 {
-	struct folio *folio = page_folio(page);
-	struct iomap_page *iop = to_iomap_page(folio);
 	struct inode *inode = page->mapping->host;
 	unsigned first = off >> inode->i_blkbits;
 	unsigned last = (off + len - 1) >> inode->i_blkbits;
@@ -151,14 +149,14 @@  iomap_iop_set_range_uptodate(struct page *page, unsigned off, unsigned len)
 	spin_unlock_irqrestore(&iop->uptodate_lock, flags);
 }
 
-static void
-iomap_set_range_uptodate(struct page *page, unsigned off, unsigned len)
+static void iomap_set_range_uptodate(struct page *page,
+		struct iomap_page *iop, unsigned off, unsigned len)
 {
 	if (PageError(page))
 		return;
 
-	if (page_has_private(page))
-		iomap_iop_set_range_uptodate(page, off, len);
+	if (iop)
+		iomap_iop_set_range_uptodate(page, iop, off, len);
 	else
 		SetPageUptodate(page);
 }
@@ -174,7 +172,8 @@  iomap_read_page_end_io(struct bio_vec *bvec, int error)
 		ClearPageUptodate(page);
 		SetPageError(page);
 	} else {
-		iomap_set_range_uptodate(page, bvec->bv_offset, bvec->bv_len);
+		iomap_set_range_uptodate(page, iop, bvec->bv_offset,
+						bvec->bv_len);
 	}
 
 	if (!iop || atomic_sub_and_test(bvec->bv_len, &iop->read_bytes_pending))
@@ -254,7 +253,7 @@  iomap_readpage_actor(struct inode *inode, loff_t pos, loff_t length, void *data,
 
 	if (iomap_block_needs_zeroing(inode, iomap, pos)) {
 		zero_user(page, poff, plen);
-		iomap_set_range_uptodate(page, poff, plen);
+		iomap_set_range_uptodate(page, iop, poff, plen);
 		goto done;
 	}
 
@@ -583,7 +582,7 @@  __iomap_write_begin(struct inode *inode, loff_t pos, unsigned len, int flags,
 			if (status)
 				return status;
 		}
-		iomap_set_range_uptodate(page, poff, plen);
+		iomap_set_range_uptodate(page, iop, poff, plen);
 	} while ((block_start += plen) < block_end);
 
 	return 0;
@@ -670,6 +669,8 @@  EXPORT_SYMBOL_GPL(iomap_set_page_dirty);
 static size_t __iomap_write_end(struct inode *inode, loff_t pos, size_t len,
 		size_t copied, struct page *page)
 {
+	struct folio *folio = page_folio(page);
+	struct iomap_page *iop = to_iomap_page(folio);
 	flush_dcache_page(page);
 
 	/*
@@ -685,7 +686,7 @@  static size_t __iomap_write_end(struct inode *inode, loff_t pos, size_t len,
 	 */
 	if (unlikely(copied < len && !PageUptodate(page)))
 		return 0;
-	iomap_set_range_uptodate(page, offset_in_page(pos), len);
+	iomap_set_range_uptodate(page, iop, offset_in_page(pos), len);
 	iomap_set_page_dirty(page);
 	return copied;
 }