direct-io: only inc/dec inode->i_dio_count for file systems

[mirror_ubuntu-artful-kernel.git] / fs / inode.c

diff --git a/fs/inode.c b/fs/inode.c
index 94886f9fbb0667dccc4ab1d1ca1dab27470375e0..ea37cd17b53f0c98b47e2e626b9ff2a9b6e5699b 100644 (file)
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -1945,20 +1945,6 @@ void inode_dio_wait(struct inode *inode)
 }
 EXPORT_SYMBOL(inode_dio_wait);
 
-/*
- * inode_dio_done - signal finish of a direct I/O requests
- * @inode: inode the direct I/O happens on
- *
- * This is called once we've finished processing a direct I/O request,
- * and is used to wake up callers waiting for direct I/O to be quiesced.
- */
-void inode_dio_done(struct inode *inode)
-{
-       if (atomic_dec_and_test(&inode->i_dio_count))
-               wake_up_bit(&inode->i_state, __I_DIO_WAKEUP);
-}
-EXPORT_SYMBOL(inode_dio_done);
-
 /*
  * inode_set_flags - atomically set some inode flags
  *