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Message-Id: <20221218221054.3946886-8-agruenba@redhat.com>
Date: Sun, 18 Dec 2022 23:10:54 +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
Subject: [RFC v4 7/7] 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, ->page_prepare() to
->folio_prepare(), and ->page_done() to ->folio_done().
Signed-off-by: Andreas Gruenbacher <agruenba@...hat.com>
---
fs/gfs2/bmap.c | 16 ++++++++--------
fs/iomap/buffered-io.c | 12 ++++++------
fs/xfs/xfs_iomap.c | 8 ++++----
include/linux/iomap.h | 22 +++++++++++-----------
4 files changed, 29 insertions(+), 29 deletions(-)
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index ed8ceed64100..57282e3720be 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -960,7 +960,7 @@ 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_folio_prepare(struct iomap_iter *iter, loff_t pos, unsigned len)
{
struct inode *inode = iter->inode;
unsigned int blockmask = i_blocksize(inode) - 1;
@@ -980,8 +980,8 @@ gfs2_iomap_page_prepare(struct iomap_iter *iter, loff_t pos, unsigned len)
return folio;
}
-static void gfs2_iomap_page_done(struct inode *inode, loff_t pos,
- unsigned copied, struct folio *folio)
+static void gfs2_iomap_folio_done(struct inode *inode, loff_t pos,
+ unsigned copied, struct folio *folio)
{
struct gfs2_trans *tr = current->journal_info;
struct gfs2_inode *ip = GFS2_I(inode);
@@ -1005,9 +1005,9 @@ static void gfs2_iomap_page_done(struct inode *inode, loff_t pos,
gfs2_trans_end(sdp);
}
-static const struct iomap_page_ops gfs2_iomap_page_ops = {
- .page_prepare = gfs2_iomap_page_prepare,
- .page_done = gfs2_iomap_page_done,
+static const struct iomap_folio_ops gfs2_iomap_folio_ops = {
+ .folio_prepare = gfs2_iomap_folio_prepare,
+ .folio_done = gfs2_iomap_folio_done,
};
static int gfs2_iomap_begin_write(struct inode *inode, loff_t pos,
@@ -1083,7 +1083,7 @@ 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:
@@ -1299,7 +1299,7 @@ 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, folio_prepare, 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 32a2a287d32c..1d1ca1fb4a88 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -603,10 +603,10 @@ static int __iomap_write_begin(const struct iomap_iter *iter, loff_t pos,
static void iomap_folio_done(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->page_done) {
- page_ops->page_done(iter->inode, pos, ret, folio);
+ if (folio_ops && folio_ops->folio_done) {
+ folio_ops->folio_done(iter->inode, pos, ret, folio);
} else {
folio_unlock(folio);
folio_put(folio);
@@ -625,7 +625,7 @@ static int iomap_write_begin_inline(const struct iomap_iter *iter,
static int iomap_write_begin(struct iomap_iter *iter, loff_t pos,
size_t len, struct folio **foliop)
{
- const struct iomap_page_ops *page_ops = iter->iomap.page_ops;
+ const struct iomap_folio_ops *folio_ops = iter->iomap.folio_ops;
const struct iomap *srcmap = iomap_iter_srcmap(iter);
struct folio *folio;
int status;
@@ -640,8 +640,8 @@ static int iomap_write_begin(struct iomap_iter *iter, loff_t pos,
if (!mapping_large_folio_support(iter->inode->i_mapping))
len = min_t(size_t, len, PAGE_SIZE - offset_in_page(pos));
- if (page_ops && page_ops->page_prepare)
- folio = page_ops->page_prepare(iter, pos, len);
+ if (folio_ops && folio_ops->folio_prepare)
+ folio = folio_ops->folio_prepare(iter, pos, len);
else
folio = iomap_folio_prepare(iter, pos);
if (IS_ERR(folio)) {
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index ae83cb89279d..04ba368395cc 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -63,7 +63,7 @@ xfs_iomap_inode_sequence(
}
static struct folio *
-xfs_page_prepare(
+xfs_folio_prepare(
struct iomap_iter *iter,
loff_t pos,
unsigned len)
@@ -99,8 +99,8 @@ xfs_page_prepare(
return folio;
}
-const struct iomap_page_ops xfs_iomap_page_ops = {
- .page_prepare = xfs_page_prepare,
+const struct iomap_folio_ops xfs_iomap_folio_ops = {
+ .folio_prepare = xfs_folio_prepare,
};
int
@@ -149,7 +149,7 @@ 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 1c8b9a04b0bb..85d360881851 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() */
};
@@ -126,19 +126,19 @@ 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
- * and page_done will be called for each page written to. This only applies to
- * buffered writes as unbuffered writes will not typically have pages
- * associated with them.
+ * When a filesystem sets folio_ops in an iomap mapping it returns,
+ * folio_prepare and folio_done will be called for each page written to. This
+ * only applies to buffered writes as unbuffered writes will not typically have
+ * pages associated with them.
*
- * When page_prepare succeeds, page_done will always be called to do any
- * cleanup work necessary. page_done is responsible for unlocking and putting
+ * When folio_prepare succeeds, folio_done will always be called to do any
+ * cleanup work necessary. folio_done is responsible for unlocking and putting
* @folio.
*/
-struct iomap_page_ops {
- struct folio *(*page_prepare)(struct iomap_iter *iter, loff_t pos,
+struct iomap_folio_ops {
+ struct folio *(*folio_prepare)(struct iomap_iter *iter, loff_t pos,
unsigned len);
- void (*page_done)(struct inode *inode, loff_t pos, unsigned copied,
+ void (*folio_done)(struct inode *inode, loff_t pos, unsigned copied,
struct folio *folio);
};
--
2.38.1
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