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@xxxxxxxxxxxxx>
---
fs/iomap/buffered-io.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 2b89c43aedd7..eb068e21d3bb 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -1276,12 +1276,12 @@ 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 page *page, 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 page *page,
+ 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);
unsigned poff = offset_in_page(pos);
if (!ioend || !iomap_can_add_to_ioend(iomap, ioend, pos, sector)) {
@@ -1350,8 +1350,9 @@ iomap_writepage_map(struct iomap_writepage_ctx *wpc,
continue;
if (wpc->iomap.type == IOMAP_HOLE)
continue;
- wpc->ioend = iomap_add_to_ioend(inode, file_offset, page, iop,
- &wpc->iomap, wpc->ioend, wbc, &submit_list);
+ wpc->ioend = iomap_add_to_ioend(inode, file_offset, len, page,
+ iop, &wpc->iomap, wpc->ioend, wbc,
+ &submit_list);
count++;
}
--
2.30.2
