diff options
Diffstat (limited to 'fs/sync.c')
| -rw-r--r-- | fs/sync.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/sync.c b/fs/sync.c index f557d71cb097..92b228176f7c 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) |