[PATCH 05/15] ceph: Remove ceph_writepage()

["Matthew Wilcox (Oracle)" <willy@infradead.org>]

Now that we have a migrate_folio method, there is no need for a
writepage method.  All writeback will go through the writepages
method instead which is more efficient.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 fs/ceph/addr.c | 25 -------------------------
 1 file changed, 25 deletions(-)

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index a0a1fac1a0db..785f2983ac0e 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -795,30 +795,6 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc)
 	return err;
 }
 
-static int ceph_writepage(struct page *page, struct writeback_control *wbc)
-{
-	int err;
-	struct inode *inode = page->mapping->host;
-	BUG_ON(!inode);
-	ihold(inode);
-
-	if (wbc->sync_mode == WB_SYNC_NONE &&
-	    ceph_inode_to_client(inode)->write_congested)
-		return AOP_WRITEPAGE_ACTIVATE;
-
-	wait_on_page_fscache(page);
-
-	err = writepage_nounlock(page, wbc);
-	if (err == -ERESTARTSYS) {
-		/* direct memory reclaimer was killed by SIGKILL. return 0
-		 * to prevent caller from setting mapping/page error */
-		err = 0;
-	}
-	unlock_page(page);
-	iput(inode);
-	return err;
-}
-
 /*
  * async writeback completion handler.
  *
@@ -1555,7 +1531,6 @@ static int ceph_write_end(struct file *file, struct address_space *mapping,
 const struct address_space_operations ceph_aops = {
 	.read_folio = netfs_read_folio,
 	.readahead = netfs_readahead,
-	.writepage = ceph_writepage,
 	.writepages = ceph_writepages_start,
 	.write_begin = ceph_write_begin,
 	.write_end = ceph_write_end,
-- 
2.40.1