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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@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
[djwong: port around not removing iomap_valid]
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
This commit is contained in:
Andreas Gruenbacher 2023-01-15 08:50:44 -08:00 committed by Darrick J. Wong
parent c82abc2394
commit 471859f57d
4 changed files with 18 additions and 18 deletions
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4
fs/gfs2/bmap.c
View File

@ -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:

20
fs/iomap/buffered-io.c
View File

@ -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);
@ -638,7 +638,7 @@ 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 = 0;
@ -667,9 +667,9 @@ static int iomap_write_begin(struct iomap_iter *iter, loff_t pos,
* could do the wrong thing here (zero a page range incorrectly or fail
* to zero) and corrupt data.
*/
if (page_ops && page_ops->iomap_valid) {
bool iomap_valid = page_ops->iomap_valid(iter->inode,
&iter->iomap);
if (folio_ops && folio_ops->iomap_valid) {
bool iomap_valid = folio_ops->iomap_valid(iter->inode,
&iter->iomap);
if (!iomap_valid) {
iter->iomap.flags |= IOMAP_F_STALE;
status = 0;

4
fs/xfs/xfs_iomap.c
View File

@ -83,7 +83,7 @@ xfs_iomap_valid(
return true;
}
static const struct iomap_page_ops xfs_iomap_page_ops = {
static const struct iomap_folio_ops xfs_iomap_folio_ops = {
.iomap_valid = xfs_iomap_valid,
};
@ -133,7 +133,7 @@ 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;
}

8
include/linux/iomap.h
View File

@ -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.
@ -135,7 +135,7 @@ static inline bool iomap_inline_data_valid(const struct iomap *iomap)
* cleanup work necessary. put_folio is responsible for unlocking and putting
* @folio.
*/
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,