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Viewing: mm-wait_for_stable_page-should-check-for-bdev-rhel8.6.patch

Index: linux-4.18.0-372.32.1.el8_6/mm/page-writeback.c
===================================================================
--- linux-4.18.0-372.32.1.el8_6.orig/mm/page-writeback.c
+++ linux-4.18.0-372.32.1.el8_6/mm/page-writeback.c
@@ -2894,7 +2894,12 @@ EXPORT_SYMBOL_GPL(wait_on_page_writeback
  */
 void wait_for_stable_page(struct page *page)
 {
-	if (page->mapping->host->i_sb->s_iflags & SB_I_STABLE_WRITES)
+	struct inode *inode = page->mapping->host;
+	struct super_block *sb = inode->i_sb;
+
+	if ((sb->s_iflags & SB_I_STABLE_WRITES) ||
+	    (sb_is_blkdev_sb(sb) &&
+	     blk_queue_stable_writes(I_BDEV(inode)->bd_disk->queue)))
 		wait_on_page_writeback(page);
 }
 EXPORT_SYMBOL_GPL(wait_for_stable_page);