[RFC PATCH 06/10] iomap: Pass a length to iomap_add_to_ioend()

["Matthew Wilcox (Oracle)" <willy@infradead.org>]

Allow the caller to specify how much of the page to add to the ioend
instead of assuming a single sector.  Somebody should probably enhance
iomap_writepage_map() to make one call per extent instead of one per
block.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 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 024e16fb95a8..5b69cea71f71 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -1304,12 +1304,12 @@ static bool iomap_can_add_to_ioend(struct iomap *iomap,
  * first; otherwise finish off the current ioend and start another.
  */
 static struct iomap_ioend *iomap_add_to_ioend(struct inode *inode,
-		loff_t pos, struct folio *folio, struct iomap_page *iop,
-		struct iomap *iomap, struct iomap_ioend *ioend,
-		struct writeback_control *wbc, struct list_head *iolist)
+		loff_t pos, size_t len, struct folio *folio,
+		struct iomap_page *iop, struct iomap *iomap,
+		struct iomap_ioend *ioend, struct writeback_control *wbc,
+		struct list_head *iolist)
 {
 	sector_t sector = iomap_sector(iomap, pos);
-	unsigned len = i_blocksize(inode);
 	size_t poff = offset_in_folio(folio, pos);
 
 	if (!ioend || !iomap_can_add_to_ioend(iomap, ioend, pos, sector)) {
@@ -1377,7 +1377,7 @@ iomap_writepage_map(struct iomap_writepage_ctx *wpc,
 			continue;
 		if (wpc->iomap.type == IOMAP_HOLE)
 			continue;
-		wpc->ioend = iomap_add_to_ioend(inode, pos, folio, iop,
+		wpc->ioend = iomap_add_to_ioend(inode, pos, len, folio, iop,
 				&wpc->iomap, wpc->ioend, wbc, &submit_list);
 		count++;
 	}
-- 
2.34.1