Unionfs: ensure cache coherency in unionfs_fsync/fasync

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>

diff --git a/fs/unionfs/file.c b/fs/unionfs/file.c
index d08ef8ba3dc9d0b6de7580a1c1a0e1db9f898240..e9e63b78015e1fbe86f4ebff4df1241c1e5232e1 100644 (file)
--- a/fs/unionfs/file.c
+++ b/fs/unionfs/file.c
@@ -179,6 +179,8 @@ int unionfs_fsync(struct file *file, struct dentry *dentry, int datasync)
                        goto out;
        }
 
+       unionfs_copy_attr_times(inode);
+
 out:
        unionfs_read_unlock(file->f_path.dentry->d_sb);
        unionfs_check_file(file);
@@ -222,6 +224,8 @@ int unionfs_fasync(int fd, struct file *file, int flag)
                        goto out;
        }
 
+       unionfs_copy_attr_times(inode);
+
 out:
        unionfs_read_unlock(file->f_path.dentry->d_sb);
        unionfs_check_file(file);