[PATCH v3 08/10] fuse: use the folio based vmstat helpers

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In order to make it easier to switch to folios in the fuse_args_pages
update the places where we update the vmstat counters for writeback to
use the folio related helpers.  On the inc side this is easy as we
already have the folio, on the dec side we have to page_folio() the
pages for now.

Reviewed-by: Joanne Koong <joannelkoong@xxxxxxxxx>
Signed-off-by: Josef Bacik <josef@xxxxxxxxxxxxxx>
---
 fs/fuse/file.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index e02093fe539a..4c6eb724212d 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1794,12 +1794,12 @@ static void fuse_writepage_free(struct fuse_writepage_args *wpa)
 	kfree(wpa);
 }
 
-static void fuse_writepage_finish_stat(struct inode *inode, struct page *page)
+static void fuse_writepage_finish_stat(struct inode *inode, struct folio *folio)
 {
 	struct backing_dev_info *bdi = inode_to_bdi(inode);
 
 	dec_wb_stat(&bdi->wb, WB_WRITEBACK);
-	dec_node_page_state(page, NR_WRITEBACK_TEMP);
+	node_stat_sub_folio(folio, NR_WRITEBACK_TEMP);
 	wb_writeout_inc(&bdi->wb);
 }
 
@@ -1811,7 +1811,7 @@ static void fuse_writepage_finish(struct fuse_writepage_args *wpa)
 	int i;
 
 	for (i = 0; i < ap->num_pages; i++)
-		fuse_writepage_finish_stat(inode, ap->pages[i]);
+		fuse_writepage_finish_stat(inode, page_folio(ap->pages[i]));
 
 	wake_up(&fi->page_waitq);
 }
@@ -1866,7 +1866,8 @@ __acquires(fi->lock)
 	for (aux = wpa->next; aux; aux = next) {
 		next = aux->next;
 		aux->next = NULL;
-		fuse_writepage_finish_stat(aux->inode, aux->ia.ap.pages[0]);
+		fuse_writepage_finish_stat(aux->inode,
+					   page_folio(aux->ia.ap.pages[0]));
 		fuse_writepage_free(aux);
 	}
 
@@ -2086,7 +2087,7 @@ static void fuse_writepage_args_page_fill(struct fuse_writepage_args *wpa, struc
 	ap->descs[page_index].length = PAGE_SIZE;
 
 	inc_wb_stat(&inode_to_bdi(inode)->wb, WB_WRITEBACK);
-	inc_node_page_state(&tmp_folio->page, NR_WRITEBACK_TEMP);
+	node_stat_add_folio(tmp_folio, NR_WRITEBACK_TEMP);
 }
 
 static struct fuse_writepage_args *fuse_writepage_args_setup(struct folio *folio,
@@ -2260,7 +2261,8 @@ static bool fuse_writepage_add(struct fuse_writepage_args *new_wpa,
 	spin_unlock(&fi->lock);
 
 	if (tmp) {
-		fuse_writepage_finish_stat(new_wpa->inode, new_ap->pages[0]);
+		fuse_writepage_finish_stat(new_wpa->inode,
+					   page_folio(new_ap->pages[0]));
 		fuse_writepage_free(new_wpa);
 	}
 
-- 
2.43.0





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