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authorThomas Gleixner <tglx@linutronix.de>2010-05-10 11:59:37 +0200
committerThomas Gleixner <tglx@linutronix.de>2010-05-10 14:20:42 +0200
commitdbb6be6d5e974c42bbecd183effaa0df69e1dd8b (patch)
tree5735cb47e70853d057a9881dd0ce44b83e88fa63 /fs/sync.c
parent6a867a395558a7f882d041783e4cdea6744ca2bf (diff)
parentb57f95a38233a2e73b679bea4a5453a1cc2a1cc9 (diff)
Merge branch 'linus' into timers/core
Reason: Further posix_cpu_timer patches depend on mainline changes Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'fs/sync.c')
-rw-r--r--fs/sync.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/sync.c b/fs/sync.c
index f557d71cb09..92b228176f7 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -5,6 +5,7 @@
#include <linux/kernel.h>
#include <linux/file.h>
#include <linux/fs.h>
+#include <linux/slab.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/writeback.h>
@@ -13,6 +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| \
@@ -31,7 +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)