On 17.07.10 17:45, Edward Tomasz Napierala wrote:
Author: trasz
Date: Sat Jul 17 15:45:20 2010
New Revision: 210194
URL: http://svn.freebsd.org/changeset/base/210194

Log:
   Remove updating process count by unionfs.  It serves no purpose, unionfs just
   needs root credentials for a moment.

Modified:
   head/sys/fs/unionfs/union_subr.c

Modified: head/sys/fs/unionfs/union_subr.c
==============================================================================
--- head/sys/fs/unionfs/union_subr.c    Sat Jul 17 13:34:01 2010        
(r210193)
+++ head/sys/fs/unionfs/union_subr.c    Sat Jul 17 15:45:20 2010        
(r210194)
@@ -50,7 +50,6 @@
  #include<sys/fcntl.h>
  #include<sys/filedesc.h>
  #include<sys/stat.h>
-#include<sys/resourcevar.h>

  #include<security/mac/mac_framework.h>

@@ -775,7 +774,6 @@ unionfs_mkshadowdir(struct unionfs_mount
        /* Authority change to root */
        rootinfo = uifind((uid_t)0);
        cred = crdup(cnp->cn_cred);
-       chgproccnt(cred->cr_ruidinfo, 1, 0);
        change_euid(cred, rootinfo);
        change_ruid(cred, rootinfo);
        change_svuid(cred, (uid_t)0);
@@ -825,7 +823,6 @@ unionfs_mkshadowdir_free_out:

  unionfs_mkshadowdir_abort:
        cnp->cn_cred = credbk;
-       chgproccnt(cred->cr_ruidinfo, -1, 0);
        crfree(cred);

        return (error);
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cc1: warnings being treated as errors
/export/devel/fbsd/head/src/sys/modules/unionfs/../../fs/unionfs/union_subr.c: In function 'unionfs_mkshadowdir': /export/devel/fbsd/head/src/sys/modules/unionfs/../../fs/unionfs/union_subr.c:775: warning: implicit declaration of function 'uifind' /export/devel/fbsd/head/src/sys/modules/unionfs/../../fs/unionfs/union_subr.c:775: warning: nested extern declaration of 'uifind' /export/devel/fbsd/head/src/sys/modules/unionfs/../../fs/unionfs/union_subr.c:775: warning: assignment makes pointer from integer without a cast /export/devel/fbsd/head/src/sys/modules/unionfs/../../fs/unionfs/union_subr.c:780: warning: implicit declaration of function 'uifree' /export/devel/fbsd/head/src/sys/modules/unionfs/../../fs/unionfs/union_subr.c:780: warning: nested extern declaration of 'uifree'

Hm, I'd like to include this one again:

[tc:fbsd/head/src] andreast% svn diff sys/fs/unionfs/union_subr.c
Index: sys/fs/unionfs/union_subr.c
===================================================================
--- sys/fs/unionfs/union_subr.c (revision 210200)
+++ sys/fs/unionfs/union_subr.c (working copy)
@@ -50,6 +50,7 @@
 #include <sys/fcntl.h>
 #include <sys/filedesc.h>
 #include <sys/stat.h>
+#include <sys/resourcevar.h>

 #include <security/mac/mac_framework.h>


Gruss,
Andreas

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