From: Sage Weil <sage@newdream.net>
Date: Thu, 26 Feb 2009 17:23:34 +0000 (-0800)
Subject: kclient: zero_user_segments doesn't appear until 2.6.25
X-Git-Tag: v0.7~139
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=6ff39baa45310b028ba8832e583419386ddefe27;p=ceph.git

kclient: zero_user_segments doesn't appear until 2.6.25
---

diff --git a/src/kernel/addr.c b/src/kernel/addr.c
index fa0722416e0a..8d6243a81eff 100644
--- a/src/kernel/addr.c
+++ b/src/kernel/addr.c
@@ -909,9 +909,13 @@ retry_locked:
 	if (page_off >= i_size ||
 	    (pos_in_page == 0 && (pos+len) >= i_size &&
 	     end_in_page - pos_in_page != PAGE_CACHE_SIZE)) {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)
 		zero_user_segments(page,
 				   0, pos_in_page,
 				   end_in_page, PAGE_CACHE_SIZE);
+#else
+		simple_prepare_write(file, page, pos_in_page, end_in_page);
+#endif
 		return 0;
 	}