linux-ext4 - [RFC v6 07/10] iomap: Rename page_prepare handler to get

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Message-Id: <20230108194034.1444764-8-agruenba@redhat.com>
Date:   Sun,  8 Jan 2023 20:40:31 +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 07/10] iomap: Rename page_prepare handler to get_folio

The ->page_prepare() handler in struct iomap_page_ops is now somewhat
misnamed, so rename it to ->get_folio().

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         | 6 +++---
 fs/iomap/buffered-io.c | 4 ++--
 include/linux/iomap.h  | 6 +++---
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 41349e09558b..d3adb715ac8c 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -957,7 +957,7 @@ static int __gfs2_iomap_get(struct inode *inode, loff_t pos, loff_t length,
 }
 
 static struct folio *
-gfs2_iomap_page_prepare(struct iomap_iter *iter, loff_t pos, unsigned len)
+gfs2_iomap_get_folio(struct iomap_iter *iter, loff_t pos, unsigned len)
 {
 	struct inode *inode = iter->inode;
 	unsigned int blockmask = i_blocksize(inode) - 1;
@@ -998,7 +998,7 @@ static void gfs2_iomap_put_folio(struct inode *inode, loff_t pos,
 }
 
 static const struct iomap_page_ops gfs2_iomap_page_ops = {
-	.page_prepare = gfs2_iomap_page_prepare,
+	.get_folio = gfs2_iomap_get_folio,
 	.put_folio = gfs2_iomap_put_folio,
 };
 
@@ -1291,7 +1291,7 @@ int gfs2_alloc_extent(struct inode *inode, u64 lblock, u64 *dblock,
 /*
  * NOTE: Never call gfs2_block_zero_range with an open transaction because it
  * uses iomap write to perform its actions, which begin their own transactions
- * (iomap_begin, page_prepare, etc.)
+ * (iomap_begin, get_folio, etc.)
  */
 static int gfs2_block_zero_range(struct inode *inode, loff_t from,
 				 unsigned int length)
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 666107c3a385..006ddf933948 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -607,8 +607,8 @@ static struct folio *__iomap_get_folio(struct iomap_iter *iter, loff_t pos,
 {
 	const struct iomap_page_ops *page_ops = iter->iomap.page_ops;
 
-	if (page_ops && page_ops->page_prepare)
-		return page_ops->page_prepare(iter, pos, len);
+	if (page_ops && page_ops->get_folio)
+		return page_ops->get_folio(iter, pos, len);
 	else
 		return iomap_get_folio(iter, pos);
 }
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index d50501781856..da226032aedc 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -126,17 +126,17 @@ static inline bool iomap_inline_data_valid(const struct iomap *iomap)
 }
 
 /*
- * When a filesystem sets page_ops in an iomap mapping it returns, page_prepare
+ * When a filesystem sets page_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.
  *
- * When page_prepare succeeds, put_folio will always be called to do any
+ * When get_folio succeeds, put_folio will always be called to do any
  * cleanup work necessary.  put_folio is responsible for unlocking and putting
  * @folio.
  */
 struct iomap_page_ops {
-	struct folio *(*page_prepare)(struct iomap_iter *iter, loff_t pos,
+	struct folio *(*get_folio)(struct iomap_iter *iter, loff_t pos,
 			unsigned len);
 	void (*put_folio)(struct inode *inode, loff_t pos, unsigned copied,
 			struct folio *folio);
-- 
2.38.1