xfs: fix buffer state management in xrep_findroot_block

[uclinux-h8/linux.git] / fs / xfs / xfs_trans_buf.c

diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index fc40160..629f147 100644 (file)
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -350,6 +350,19 @@ xfs_trans_read_buf_map(
 
 }
 
+/* Has this buffer been dirtied by anyone? */
+bool
+xfs_trans_buf_is_dirty(
+       struct xfs_buf          *bp)
+{
+       struct xfs_buf_log_item *bip = bp->b_log_item;
+
+       if (!bip)
+               return false;
+       ASSERT(bip->bli_item.li_type == XFS_LI_BUF);
+       return test_bit(XFS_LI_DIRTY, &bip->bli_item.li_flags);
+}
+
 /*
  * Release a buffer previously joined to the transaction. If the buffer is
  * modified within this transaction, decrement the recursion count but do not