X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fllite%2Fxattr_cache.c;h=64bcbc1a4bd6b52c0e3121b0f957e1dafa63fd2a;hb=0fab7dc89f4756538f8b67e7736abd6f225abae8;hp=f961f984f294e548c38aac8d484e5922eae25fd3;hpb=003df3c38fe74a092f75569793edd6ec5a387d5c;p=fs%2Flustre-release.git

diff --git a/lustre/llite/xattr_cache.c b/lustre/llite/xattr_cache.c
index f961f98..64bcbc1 100644
--- a/lustre/llite/xattr_cache.c
+++ b/lustre/llite/xattr_cache.c
@@ -24,6 +24,8 @@
 /*
  * Copyright 2012 Xyratex Technology Limited
  *
+ * Copyright (c) 2013, 2014, Intel Corporation.
+ *
  * Author: Andrew Perepechko <Andrew_Perepechko@xyratex.com>
  *
  */
@@ -34,7 +36,6 @@
 #include <linux/sched.h>
 #include <linux/mm.h>
 #include <obd_support.h>
-#include <lustre_lite.h>
 #include <lustre_dlm.h>
 #include <lustre_ver.h>
 #include "llite_internal.h"
@@ -327,13 +328,18 @@ static int ll_xattr_find_get_lock(struct inode *inode,
 	ENTRY;
 
 	mutex_lock(&lli->lli_xattrs_enq_lock);
-	/* Try matching first. */
-	mode = ll_take_md_lock(inode, MDS_INODELOCK_XATTR, &lockh, 0, LCK_PR);
-	if (mode != 0) {
-		/* fake oit in mdc_revalidate_lock() manner */
-		oit->d.lustre.it_lock_handle = lockh.cookie;
-		oit->d.lustre.it_lock_mode = mode;
-		goto out;
+	/* inode may have been shrunk and recreated, so data is gone, match lock
+	 * only when data exists. */
+	if (ll_xattr_cache_valid(lli)) {
+		/* Try matching first. */
+		mode = ll_take_md_lock(inode, MDS_INODELOCK_XATTR, &lockh, 0,
+					LCK_PR);
+		if (mode != 0) {
+			/* fake oit in mdc_revalidate_lock() manner */
+			oit->d.lustre.it_lock_handle = lockh.cookie;
+			oit->d.lustre.it_lock_mode = mode;
+			goto out;
+		}
 	}
 
 	/* Enqueue if the lock isn't cached locally. */