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-rw-r--r--drivers/mtd/ubi/cdev.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index 191f3bb3c41a..3320a50ba4f0 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -189,12 +189,16 @@ static loff_t vol_cdev_llseek(struct file *file, loff_t offset, int origin)
return new_offset;
}
-static int vol_cdev_fsync(struct file *file, int datasync)
+static int vol_cdev_fsync(struct file *file, loff_t start, loff_t end, int datasync)
{
struct ubi_volume_desc *desc = file->private_data;
struct ubi_device *ubi = desc->vol->ubi;
-
- return ubi_sync(ubi->ubi_num);
+ struct inode *inode = file->f_path.dentry->d_inode;
+ int err;
+ mutex_lock(&inode->i_mutex);
+ err = ubi_sync(ubi->ubi_num);
+ mutex_unlock(&inode->i_mutex);
+ return err;
}