From 8c62f0523e8e7f6b9b18db3def3a0f34b18a81f7 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 1 Oct 2009 13:30:47 -0700
Subject: [PATCH] kclient: backport sync_page_range change

---
 src/kernel/file.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/kernel/file.c b/src/kernel/file.c
index 9c222af6b12df..7668ace1b7077 100644
--- a/src/kernel/file.c
+++ b/src/kernel/file.c
@@ -826,8 +826,12 @@ retry_snap:
 		if ((ret >= 0 || ret == -EIOCBQUEUED) &&
 		    ((file->f_flags & O_SYNC) || IS_SYNC(file->f_mapping->host)
 		     || ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_NEARFULL)))
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 32)
 			ret = vfs_fsync_range(file, file->f_path.dentry,
 					      pos, pos + ret - 1, 1);
+#else
+			ret = sync_page_range(inode, &inode->i_data, pos, ret);
+#endif
 	}
 	if (ret >= 0) {
 		spin_lock(&inode->i_lock);
-- 
2.39.5