nfs: Convert nfs to read_folio
This is a "weak" conversion which converts straight back to using pages.
A full conversion should be performed at some point, hopefully by
someone familiar with the filesystem.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index f05c4b1..4f6d1f9 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -337,7 +337,7 @@ static int nfs_write_begin(struct file *file, struct address_space *mapping,
} else if (!once_thru &&
nfs_want_read_modify_write(file, page, pos, len)) {
once_thru = 1;
- ret = nfs_readpage(file, page);
+ ret = nfs_read_folio(file, page_folio(page));
put_page(page);
if (!ret)
goto start;
@@ -514,7 +514,7 @@ static void nfs_swap_deactivate(struct file *file)
}
const struct address_space_operations nfs_file_aops = {
- .readpage = nfs_readpage,
+ .read_folio = nfs_read_folio,
.readahead = nfs_readahead,
.dirty_folio = filemap_dirty_folio,
.writepage = nfs_writepage,
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 5e76573..5a9b043 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -333,8 +333,9 @@ readpage_async_filler(struct nfs_readdesc *desc, struct page *page)
* - The error flag is set for this page. This happens only when a
* previous async read operation failed.
*/
-int nfs_readpage(struct file *file, struct page *page)
+int nfs_read_folio(struct file *file, struct folio *folio)
{
+ struct page *page = &folio->page;
struct nfs_readdesc desc;
struct inode *inode = page_file_mapping(page)->host;
int ret;
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index b48b925..1bba717 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -594,7 +594,7 @@ static inline bool nfs_have_writebacks(const struct inode *inode)
/*
* linux/fs/nfs/read.c
*/
-extern int nfs_readpage(struct file *, struct page *);
+int nfs_read_folio(struct file *, struct folio *);
void nfs_readahead(struct readahead_control *);
/*