fuse: convert fuse_do_readpage to use folios

Now that the buffered write path is using folios, convert
fuse_do_readpage() to take a folio instead of a page, update it to use
the appropriate folio helpers, and update the callers to pass in the
folio directly instead of a page.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Joanne Koong <joannelkoong@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Josef Bacik 2024-09-30 09:45:14 -04:00 committed by Miklos Szeredi
parent e6befec5e9
commit 65fe891d90

View File

@ -865,12 +865,13 @@ static void fuse_short_read(struct inode *inode, u64 attr_ver, size_t num_read,
}
}
static int fuse_do_readpage(struct file *file, struct page *page)
static int fuse_do_readfolio(struct file *file, struct folio *folio)
{
struct inode *inode = page->mapping->host;
struct inode *inode = folio->mapping->host;
struct fuse_mount *fm = get_fuse_mount(inode);
loff_t pos = page_offset(page);
loff_t pos = folio_pos(folio);
struct fuse_page_desc desc = { .length = PAGE_SIZE };
struct page *page = &folio->page;
struct fuse_io_args ia = {
.ap.args.page_zeroing = true,
.ap.args.out_pages = true,
@ -882,11 +883,11 @@ static int fuse_do_readpage(struct file *file, struct page *page)
u64 attr_ver;
/*
* Page writeback can extend beyond the lifetime of the
* page-cache page, so make sure we read a properly synced
* page.
* With the temporary pages that are used to complete writeback, we can
* have writeback that extends beyond the lifetime of the folio. So
* make sure we read a properly synced folio.
*/
fuse_wait_on_page_writeback(inode, page->index);
fuse_wait_on_folio_writeback(inode, folio);
attr_ver = fuse_get_attr_version(fm->fc);
@ -904,25 +905,24 @@ static int fuse_do_readpage(struct file *file, struct page *page)
if (res < desc.length)
fuse_short_read(inode, attr_ver, res, &ia.ap);
SetPageUptodate(page);
folio_mark_uptodate(folio);
return 0;
}
static int fuse_read_folio(struct file *file, struct folio *folio)
{
struct page *page = &folio->page;
struct inode *inode = page->mapping->host;
struct inode *inode = folio->mapping->host;
int err;
err = -EIO;
if (fuse_is_bad(inode))
goto out;
err = fuse_do_readpage(file, page);
err = fuse_do_readfolio(file, folio);
fuse_invalidate_atime(inode);
out:
unlock_page(page);
folio_unlock(folio);
return err;
}
@ -2475,7 +2475,7 @@ static int fuse_write_begin(struct file *file, struct address_space *mapping,
folio_zero_segment(folio, 0, off);
goto success;
}
err = fuse_do_readpage(file, &folio->page);
err = fuse_do_readfolio(file, folio);
if (err)
goto cleanup;
success: