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fs: Remove aops->invalidatepage

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With all users migrated to ->invalidate_folio, remove the old operation.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Tested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Tested-by: Mike Marshall <hubcap@omnibond.com> # orangefs
Tested-by: David Howells <dhowells@redhat.com> # afs
This commit is contained in:
Matthew Wilcox (Oracle) 2022-02-09 20:21:51 +00:00
parent 58a2fdb61b
commit f50015a596
4 changed files with 3 additions and 15 deletions
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2
Documentation/filesystems/locking.rst
View File

@ -251,7 +251,6 @@ prototypes::
struct page *page, void *fsdata);
sector_t (*bmap)(struct address_space *, sector_t);
void (*invalidate_folio) (struct folio *, size_t start, size_t len);
void (*invalidatepage) (struct page *, unsigned int, unsigned int);
int (*releasepage) (struct page *, int);
void (*freepage)(struct page *);
int (*direct_IO)(struct kiocb *, struct iov_iter *iter);
@ -280,7 +279,6 @@ write_begin: locks the page exclusive
write_end: yes, unlocks exclusive
bmap:
invalidate_folio: yes exclusive
invalidatepage: yes exclusive
releasepage: yes
freepage: yes
direct_IO:

1
Documentation/filesystems/vfs.rst
View File

@ -736,7 +736,6 @@ cache in your filesystem. The following members are defined:
struct page *page, void *fsdata);
sector_t (*bmap)(struct address_space *, sector_t);
void (*invalidate_folio) (struct folio *, size_t start, size_t len);
void (*invalidatepage) (struct page *, unsigned int, unsigned int);
int (*releasepage) (struct page *, int);
void (*freepage)(struct page *);
ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *iter);

1
include/linux/fs.h
View File

@ -388,7 +388,6 @@ struct address_space_operations {
/* Unfortunately this kludge is needed for FIBMAP. Don't use it */
sector_t (*bmap)(struct address_space *, sector_t);
void (*invalidate_folio) (struct folio *, size_t offset, size_t len);
void (*invalidatepage) (struct page *, unsigned int, unsigned int);
int (*releasepage) (struct page *, gfp_t);
void (*freepage)(struct page *);
ssize_t (*direct_IO)(struct kiocb *, struct iov_iter *iter);

14
mm/truncate.c
View File

@ -19,8 +19,7 @@
#include <linux/highmem.h>
#include <linux/pagevec.h>
#include <linux/task_io_accounting_ops.h>
#include <linux/buffer_head.h> /* grr. try_to_release_page,
do_invalidatepage */
#include <linux/buffer_head.h> /* grr. try_to_release_page */
#include <linux/shmem_fs.h>
#include <linux/rmap.h>
#include "internal.h"
@ -155,16 +154,9 @@ static int invalidate_exceptional_entry2(struct address_space *mapping,
void folio_invalidate(struct folio *folio, size_t offset, size_t length)
{
const struct address_space_operations *aops = folio->mapping->a_ops;
void (*invalidatepage)(struct page *, unsigned int, unsigned int);
if (aops->invalidate_folio) {
if (aops->invalidate_folio)
aops->invalidate_folio(folio, offset, length);
return;
}
invalidatepage = aops->invalidatepage;
if (invalidatepage)
(*invalidatepage)(&folio->page, offset, length);
}
EXPORT_SYMBOL_GPL(folio_invalidate);
@ -334,7 +326,7 @@ int invalidate_inode_page(struct page *page)
* mapping is large, it is probably the case that the final pages are the most
* recently touched, and freeing happens in ascending file offset order.
*
* Note that since ->invalidatepage() accepts range to invalidate
* Note that since ->invalidate_folio() accepts range to invalidate
* truncate_inode_pages_range is able to handle cases where lend + 1 is not
* page aligned properly.
*/