linux-ext4 - [RFC v6 09/10] iomap: Rename page_ops to folio

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Message-Id: <20230108194034.1444764-10-agruenba@redhat.com>
Date:   Sun,  8 Jan 2023 20:40:33 +0100
From:   Andreas Gruenbacher <agruenba@...hat.com>
To:     Christoph Hellwig <hch@...radead.org>,
        "Darrick J . Wong" <djwong@...nel.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Matthew Wilcox <willy@...radead.org>
Cc:     Andreas Gruenbacher <agruenba@...hat.com>,
        linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-ext4@...r.kernel.org, cluster-devel@...hat.com,
        Christoph Hellwig <hch@....de>
Subject: [RFC v6 09/10] iomap: Rename page_ops to folio_ops

The operations in struct page_ops all operate on folios, so rename
struct page_ops to struct folio_ops.

Signed-off-by: Andreas Gruenbacher <agruenba@...hat.com>
Reviewed-by: Darrick J. Wong <djwong@...nel.org>
Reviewed-by: Christoph Hellwig <hch@....de>
---
 fs/gfs2/bmap.c         |  4 ++--
 fs/iomap/buffered-io.c | 12 ++++++------
 fs/xfs/xfs_iomap.c     |  4 ++--
 include/linux/iomap.h  |  8 ++++----
 4 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index d3adb715ac8c..e191ecfb1fde 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -997,7 +997,7 @@ static void gfs2_iomap_put_folio(struct inode *inode, loff_t pos,
 	gfs2_trans_end(sdp);
 }
 
-static const struct iomap_page_ops gfs2_iomap_page_ops = {
+static const struct iomap_folio_ops gfs2_iomap_folio_ops = {
 	.get_folio = gfs2_iomap_get_folio,
 	.put_folio = gfs2_iomap_put_folio,
 };
@@ -1075,7 +1075,7 @@ static int gfs2_iomap_begin_write(struct inode *inode, loff_t pos,
 	}
 
 	if (gfs2_is_stuffed(ip) || gfs2_is_jdata(ip))
-		iomap->page_ops = &gfs2_iomap_page_ops;
+		iomap->folio_ops = &gfs2_iomap_folio_ops;
 	return 0;
 
 out_trans_end:
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 72dfbc3cb086..dacc7c80b20d 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -605,10 +605,10 @@ static int __iomap_write_begin(const struct iomap_iter *iter, loff_t pos,
 static struct folio *__iomap_get_folio(struct iomap_iter *iter, loff_t pos,
 		size_t len)
 {
-	const struct iomap_page_ops *page_ops = iter->iomap.page_ops;
+	const struct iomap_folio_ops *folio_ops = iter->iomap.folio_ops;
 
-	if (page_ops && page_ops->get_folio)
-		return page_ops->get_folio(iter, pos, len);
+	if (folio_ops && folio_ops->get_folio)
+		return folio_ops->get_folio(iter, pos, len);
 	else
 		return iomap_get_folio(iter, pos);
 }
@@ -616,10 +616,10 @@ static struct folio *__iomap_get_folio(struct iomap_iter *iter, loff_t pos,
 static void __iomap_put_folio(struct iomap_iter *iter, loff_t pos, size_t ret,
 		struct folio *folio)
 {
-	const struct iomap_page_ops *page_ops = iter->iomap.page_ops;
+	const struct iomap_folio_ops *folio_ops = iter->iomap.folio_ops;
 
-	if (page_ops && page_ops->put_folio) {
-		page_ops->put_folio(iter->inode, pos, ret, folio);
+	if (folio_ops && folio_ops->put_folio) {
+		folio_ops->put_folio(iter->inode, pos, ret, folio);
 	} else {
 		folio_unlock(folio);
 		folio_put(folio);
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index d0bf99539180..5bddf31e21eb 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -98,7 +98,7 @@ xfs_get_folio(
 	return folio;
 }
 
-const struct iomap_page_ops xfs_iomap_page_ops = {
+const struct iomap_folio_ops xfs_iomap_folio_ops = {
 	.get_folio		= xfs_get_folio,
 };
 
@@ -148,7 +148,7 @@ xfs_bmbt_to_iomap(
 		iomap->flags |= IOMAP_F_DIRTY;
 
 	iomap->validity_cookie = sequence_cookie;
-	iomap->page_ops = &xfs_iomap_page_ops;
+	iomap->folio_ops = &xfs_iomap_folio_ops;
 	return 0;
 }
 
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index 0ae2cddbedd6..3e6c34b03c89 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -86,7 +86,7 @@ struct vm_fault;
  */
 #define IOMAP_NULL_ADDR -1ULL	/* addr is not valid */
 
-struct iomap_page_ops;
+struct iomap_folio_ops;
 
 struct iomap {
 	u64			addr; /* disk offset of mapping, bytes */
@@ -98,7 +98,7 @@ struct iomap {
 	struct dax_device	*dax_dev; /* dax_dev for dax operations */
 	void			*inline_data;
 	void			*private; /* filesystem private */
-	const struct iomap_page_ops *page_ops;
+	const struct iomap_folio_ops *folio_ops;
 	u64			validity_cookie; /* used with .iomap_valid() */
 };
 
@@ -126,7 +126,7 @@ static inline bool iomap_inline_data_valid(const struct iomap *iomap)
 }
 
 /*
- * When a filesystem sets page_ops in an iomap mapping it returns, get_folio
+ * When a filesystem sets folio_ops in an iomap mapping it returns, get_folio
  * and put_folio will be called for each folio written to.  This only applies
  * to buffered writes as unbuffered writes will not typically have folios
  * associated with them.
@@ -141,7 +141,7 @@ static inline bool iomap_inline_data_valid(const struct iomap *iomap)
  * it is no longer up to date.  In that case, the function should return
  * ERR_PTR(-ESTALE) to retry the operation with a fresh mapping.
  */
-struct iomap_page_ops {
+struct iomap_folio_ops {
 	struct folio *(*get_folio)(struct iomap_iter *iter, loff_t pos,
 			unsigned len);
 	void (*put_folio)(struct inode *inode, loff_t pos, unsigned copied,
-- 
2.38.1