linux-kernel - [PATCH 14/14] iomap: pass a struct page to iomap_finish_page

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Date:   Thu, 17 Oct 2019 19:56:24 +0200
From:   Christoph Hellwig <hch@....de>
To:     "Darrick J . Wong" <darrick.wong@...cle.com>
Cc:     Damien Le Moal <Damien.LeMoal@....com>,
        Andreas Gruenbacher <agruenba@...hat.com>,
        linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 14/14] iomap: pass a struct page to iomap_finish_page_writeback

No need to pass the full bio_vec.

Signed-off-by: Christoph Hellwig <hch@....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 bb96499c352f..755b75424a97 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -1110,13 +1110,13 @@ vm_fault_t iomap_page_mkwrite(struct vm_fault *vmf, const struct iomap_ops *ops)
 EXPORT_SYMBOL_GPL(iomap_page_mkwrite);
 
 static void
-iomap_finish_page_writeback(struct inode *inode, struct bio_vec *bvec,
+iomap_finish_page_writeback(struct inode *inode, struct page *page,
 		int error)
 {
-	struct iomap_page *iop = to_iomap_page(bvec->bv_page);
+	struct iomap_page *iop = to_iomap_page(page);
 
 	if (error) {
-		SetPageError(bvec->bv_page);
+		SetPageError(page);
 		mapping_set_error(inode->i_mapping, -EIO);
 	}
 
@@ -1124,7 +1124,7 @@ iomap_finish_page_writeback(struct inode *inode, struct bio_vec *bvec,
 	WARN_ON_ONCE(iop && atomic_read(&iop->write_count) <= 0);
 
 	if (!iop || atomic_dec_and_test(&iop->write_count))
-		end_page_writeback(bvec->bv_page);
+		end_page_writeback(page);
 }
 
 /*
@@ -1156,7 +1156,7 @@ iomap_finish_ioend(struct iomap_ioend *ioend, int error)
 
 		/* walk each page on bio, ending page IO on them */
 		bio_for_each_segment_all(bv, bio, iter_all)
-			iomap_finish_page_writeback(inode, bv, error);
+			iomap_finish_page_writeback(inode, bv->bv_page, error);
 		bio_put(bio);
 	}
 
-- 
2.20.1