Remove a couple of folio->page conversions in the callers, and two
calls to compound_head() in the function itself.  Rename it from
__gfs2_jdata_writepage() to __gfs2_jdata_write_folio().

Signed-off-by: Matthew Wilcox (Oracle) <wi...@infradead.org>
Tested-by: Bob Peterson <rpete...@redhat.com>
Reviewed-by: Bob Peterson <rpete...@redhat.com>
---
 fs/gfs2/aops.c | 31 ++++++++++++++++---------------
 1 file changed, 16 insertions(+), 15 deletions(-)

diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 0518861df783..749135252d52 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -113,30 +113,31 @@ static int gfs2_write_jdata_page(struct page *page,
 }
 
 /**
- * __gfs2_jdata_writepage - The core of jdata writepage
- * @page: The page to write
+ * __gfs2_jdata_write_folio - The core of jdata writepage
+ * @folio: The folio to write
  * @wbc: The writeback control
  *
  * This is shared between writepage and writepages and implements the
  * core of the writepage operation. If a transaction is required then
- * PageChecked will have been set and the transaction will have
+ * the checked flag will have been set and the transaction will have
  * already been started before this is called.
  */
-
-static int __gfs2_jdata_writepage(struct page *page, struct writeback_control 
*wbc)
+static int __gfs2_jdata_write_folio(struct folio *folio,
+               struct writeback_control *wbc)
 {
-       struct inode *inode = page->mapping->host;
+       struct inode *inode = folio->mapping->host;
        struct gfs2_inode *ip = GFS2_I(inode);
 
-       if (PageChecked(page)) {
-               ClearPageChecked(page);
-               if (!page_has_buffers(page)) {
-                       create_empty_buffers(page, inode->i_sb->s_blocksize,
-                                            BIT(BH_Dirty)|BIT(BH_Uptodate));
+       if (folio_test_checked(folio)) {
+               folio_clear_checked(folio);
+               if (!folio_buffers(folio)) {
+                       folio_create_empty_buffers(folio,
+                                       inode->i_sb->s_blocksize,
+                                       BIT(BH_Dirty)|BIT(BH_Uptodate));
                }
-               gfs2_trans_add_databufs(ip, page_folio(page), 0, PAGE_SIZE);
+               gfs2_trans_add_databufs(ip, folio, 0, folio_size(folio));
        }
-       return gfs2_write_jdata_page(page, wbc);
+       return gfs2_write_jdata_page(&folio->page, wbc);
 }
 
 /**
@@ -159,7 +160,7 @@ static int gfs2_jdata_writepage(struct page *page, struct 
writeback_control *wbc
                goto out;
        if (folio_test_checked(folio) || current->journal_info)
                goto out_ignore;
-       return __gfs2_jdata_writepage(&folio->page, wbc);
+       return __gfs2_jdata_write_folio(folio, wbc);
 
 out_ignore:
        folio_redirty_for_writepage(wbc, folio);
@@ -256,7 +257,7 @@ static int gfs2_write_jdata_batch(struct address_space 
*mapping,
 
                trace_wbc_writepage(wbc, inode_to_bdi(inode));
 
-               ret = __gfs2_jdata_writepage(&folio->page, wbc);
+               ret = __gfs2_jdata_write_folio(folio, wbc);
                if (unlikely(ret)) {
                        if (ret == AOP_WRITEPAGE_ACTIVATE) {
                                folio_unlock(folio);
-- 
2.39.2

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