[hurd] 73/87: libdiskfs: remove code counting cache misses

[Samuel Thibault]

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sthibault pushed a commit to branch upstream
in repository hurd.

commit 4f29d810cad03047c19e5de3c342c90df7193c8b
Author: Justus Winter <address@hidden>
Date:   Sun Sep 7 14:01:38 2014 +0200

    libdiskfs: remove code counting cache misses
    
    * libdiskfs/lookup.c (cache_misses): Remove.
    (cm_lock): Likewise.
    (diskfs_lookup): Do not count cache misses.
---
 libdiskfs/lookup.c | 31 -------------------------------
 1 file changed, 31 deletions(-)

diff --git a/libdiskfs/lookup.c b/libdiskfs/lookup.c
index bc2ad01..486fedc 100644
--- a/libdiskfs/lookup.c
+++ b/libdiskfs/lookup.c
@@ -21,17 +21,6 @@
 #include "priv.h"
 #include <string.h>
 
-static struct
-{
-  int present;
-  int absent;
-  int errors;
-  int dot;
-  int dotdot;
-} cache_misses;
-static pthread_spinlock_t cm_lock = PTHREAD_SPINLOCK_INITIALIZER;
-
-
 /* Lookup in directory DP (which is locked) the name NAME.  TYPE will
    either be LOOKUP, CREATE, RENAME, or REMOVE.  CRED identifies the
    user making the call.
@@ -175,26 +164,6 @@ diskfs_lookup (struct node *dp, const char *name, enum 
lookup_type type,
   else
     {
       err = diskfs_lookup_hard (dp, name, type, np, ds, cred);
-
-      pthread_spin_lock (&cm_lock);
-      if (type == LOOKUP)
-       {
-         if (err == ENOENT)
-           cache_misses.absent++;
-         else if (err)
-           cache_misses.errors++;
-         else
-           cache_misses.present++;
-         if (name[0] == '.')
-           {
-             if (name[1] == '\0')
-               cache_misses.dot++;
-             else if (name[1] == '.' && name[2] == '\0')
-               cache_misses.dotdot++;
-           }
-       }
-      pthread_spin_unlock (&cm_lock);
-
       if (err && err != ENOENT)
        return err;
 

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