linux-kernel - [PATCH 11/12] iomap: move struct iomap

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Message-Id: <20191015154345.13052-12-hch@lst.de>
Date:   Tue, 15 Oct 2019 17:43:44 +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,
        Carlos Maiolino <cmaiolino@...hat.com>
Subject: [PATCH 11/12] iomap: move struct iomap_page out of iomap.h

Now that all the writepage code is in the iomap code there is no
need to keep this structure public.

Signed-off-by: Christoph Hellwig <hch@....de>
Reviewed-by: Carlos Maiolino <cmaiolino@...hat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@...cle.com>
---
 fs/iomap/buffered-io.c | 17 +++++++++++++++++
 include/linux/iomap.h  | 17 -----------------
 2 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 76e72576f307..c57acc3d3120 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -21,6 +21,23 @@
 
 #include "../internal.h"
 
+/*
+ * Structure allocated for each page when block size < PAGE_SIZE to track
+ * sub-page uptodate status and I/O completions.
+ */
+struct iomap_page {
+	atomic_t		read_count;
+	atomic_t		write_count;
+	DECLARE_BITMAP(uptodate, PAGE_SIZE / 512);
+};
+
+static inline struct iomap_page *to_iomap_page(struct page *page)
+{
+	if (page_has_private(page))
+		return (struct iomap_page *)page_private(page);
+	return NULL;
+}
+
 static struct bio_set iomap_ioend_bioset;
 
 static struct iomap_page *
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index 0b399718c387..46ce730b1590 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -134,23 +134,6 @@ loff_t iomap_apply(struct inode *inode, loff_t pos, loff_t length,
 		unsigned flags, const struct iomap_ops *ops, void *data,
 		iomap_actor_t actor);
 
-/*
- * Structure allocate for each page when block size < PAGE_SIZE to track
- * sub-page uptodate status and I/O completions.
- */
-struct iomap_page {
-	atomic_t		read_count;
-	atomic_t		write_count;
-	DECLARE_BITMAP(uptodate, PAGE_SIZE / 512);
-};
-
-static inline struct iomap_page *to_iomap_page(struct page *page)
-{
-	if (page_has_private(page))
-		return (struct iomap_page *)page_private(page);
-	return NULL;
-}
-
 ssize_t iomap_file_buffered_write(struct kiocb *iocb, struct iov_iter *from,
 		const struct iomap_ops *ops);
 int iomap_readpage(struct page *page, const struct iomap_ops *ops);
-- 
2.20.1