ovl: fsync after copy-up

[firefly-linux-kernel-4.4.55.git] / fs / overlayfs / copy_up.c

diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index ea0dd9ee138d2209cdd2017ff52070faf5116754..63a0d0ba36de11ef0a606c2d098663b750b2e282 100644 (file)
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -139,6 +139,8 @@ static int ovl_copy_up_data(struct path *old, struct path *new, loff_t len)
                len -= bytes;
        }
 
+       if (!error)
+               error = vfs_fsync(new_file, 0);
        fput(new_file);
 out_fput:
        fput(old_file);