Below is a version of your patch on top of v5.13 which has passed some
local testing here.
Thanks,
Andreas
--
iomap: Permit pages without an iop to enter writeback
Permit pages without an iop to enter writeback and create an iop *then*. This
allows filesystems to mark pages dirty without having to worry about how the
iop block tracking is implemented.
Suggested-by: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Signed-off-by: Andreas Gruenbacher <agruenba@xxxxxxxxxx>
---
fs/iomap/buffered-io.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 03537ecb2a94..6330dabc451e 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -1336,14 +1336,13 @@ iomap_writepage_map(struct iomap_writepage_ctx *wpc,
struct writeback_control *wbc, struct inode *inode,
struct page *page, u64 end_offset)
{
- struct iomap_page *iop = to_iomap_page(page);
+ struct iomap_page *iop = iomap_page_create(inode, page);
struct iomap_ioend *ioend, *next;
unsigned len = i_blocksize(inode);
u64 file_offset; /* file offset of page */
int error = 0, count = 0, i;
LIST_HEAD(submit_list);
- WARN_ON_ONCE(i_blocks_per_page(inode, page) > 1 && !iop);
WARN_ON_ONCE(iop && atomic_read(&iop->write_bytes_pending) != 0);
/*
--
2.26.3
