[PATCH v5 8/9] iomap: Rename page_ops to folio_ops

Andreas Gruenbacher
2022-12-31T15:12:08Z

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@redhat.com>
---
fs/gfs2/bmap.c | 4 ++--
fs/iomap/buffered-io.c | 12 ++++++------
fs/xfs/xfs_iomap.c | 4 ++--
include/linux/iomap.h | 14 +++++++-------
4 files changed, 17 insertions(+), 17 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 df6fca11f18c..c4a7aef2a272 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 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);
@@ -627,7 +627,7 @@ 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;
@@ -642,8 +642,8 @@ 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->get_folio)
- folio = page_ops->get_folio(iter, pos, len);
+ if (folio_ops && folio_ops->get_folio)
+ folio = folio_ops->get_folio(iter, pos, len);
else
folio = iomap_get_folio(iter, pos);
if (IS_ERR(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 6f8e3321e475..2e2be828af86 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() */
};

@@ -126,10 +126,10 @@ 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
- * and put_folio 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,
+ * get_folio and put_folio 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 get_folio succeeds, put_folio will always be called to do any
* cleanup work necessary. put_folio is responsible for unlocking and putting
@@ -140,7 +140,7 @@ static inline bool iomap_inline_data_valid(const struct iomap *iomap)
* get_folio handler that the iomap is no longer up to date and needs to be
* refreshed, it can return ERR_PTR(-ESTALE) to trigger a retry.
*/
-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