block: Relax a check in blk_start_queue()

[pandora-kernel.git] / fs / xfs / xfs_attr_leaf.h

diff --git a/fs/xfs/xfs_attr_leaf.h b/fs/xfs/xfs_attr_leaf.h
index 9c7d22f..c782906 100644 (file)
--- a/fs/xfs/xfs_attr_leaf.h
+++ b/fs/xfs/xfs_attr_leaf.h
@@ -111,8 +111,15 @@ typedef struct xfs_attr_leaf_name_remote {
 typedef struct xfs_attr_leafblock {
        xfs_attr_leaf_hdr_t     hdr;    /* constant-structure header block */
        xfs_attr_leaf_entry_t   entries[1];     /* sorted on key, not name */
-       xfs_attr_leaf_name_local_t namelist;    /* grows from bottom of buf */
-       xfs_attr_leaf_name_remote_t valuelist;  /* grows from bottom of buf */
+       /*
+        * The rest of the block contains the following structures after the
+        * leaf entries, growing from the bottom up. The variables are never
+        * referenced and definining them can actually make gcc optimize away
+        * accesses to the 'entries' array above index 0 so don't do that.
+        *
+        * xfs_attr_leaf_name_local_t namelist;
+        * xfs_attr_leaf_name_remote_t valuelist;
+        */
 } xfs_attr_leafblock_t;
 
 /*