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nfs: Convert nfs to read_folio

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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>
This commit is contained in:
Matthew Wilcox (Oracle) 2022-04-29 11:12:16 -04:00
parent bb8e283a64
commit 65d023af7f
3 changed files with 5 additions and 4 deletions
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4
fs/nfs/file.c
View file

@ -337,7 +337,7 @@ start:
} 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,

3
fs/nfs/read.c
View file

@ -333,8 +333,9 @@ out:
* - 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;

2
include/linux/nfs_fs.h
View file

@ -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 *);
/*