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authorIngo Molnar <mingo@elte.hu>2010-05-07 11:27:54 +0200
committerIngo Molnar <mingo@elte.hu>2010-05-07 11:27:54 +0200
commit48652ced1533c3372f996a0d83b6e73b1f1c9381 (patch)
tree5e17729cfcdc97bf798a17b57cdb888b4ded65b0 /fs/sync.c
parent99bd5e2f245d8cd17d040c82d40becdb3efd9b69 (diff)
parent66f41d4c5c8a5deed66fdcc84509376c9a0bf9d8 (diff)
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Merge commit 'v2.6.34-rc6' into sched/core
Diffstat (limited to 'fs/sync.c')
-rw-r--r--fs/sync.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/sync.c b/fs/sync.c
index fc5c3d75cf3c..92b228176f7c 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -14,6 +14,7 @@
#include <linux/pagemap.h>
#include <linux/quotaops.h>
#include <linux/buffer_head.h>
+#include <linux/backing-dev.h>
#include "internal.h"
#define VALID_FLAGS (SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE| \
@@ -32,7 +33,7 @@ static int __sync_filesystem(struct super_block *sb, int wait)
* This should be safe, as we require bdi backing to actually
* write out data in the first place
*/
- if (!sb->s_bdi)
+ if (!sb->s_bdi || sb->s_bdi == &noop_backing_dev_info)
return 0;
if (sb->s_qcop && sb->s_qcop->quota_sync)