Author: ambrisko
Date: Tue Nov 18 18:21:36 2008
New Revision: 185054
URL: http://svn.freebsd.org/changeset/base/185054

Log:
  MFC 184934:
  
  For now on every 10 cyclinder groups flush the buffer cache to free
  up space.  If the buffer cache fills up then the disk systems can
  grind to a halt.
  
  PR:           128832
  Approved by:  re (kensmith)

Modified:
  stable/7/sys/   (props changed)
  stable/7/sys/ufs/ffs/ffs_snapshot.c

Modified: stable/7/sys/ufs/ffs/ffs_snapshot.c
==============================================================================
--- stable/7/sys/ufs/ffs/ffs_snapshot.c Tue Nov 18 15:48:23 2008        
(r185053)
+++ stable/7/sys/ufs/ffs/ffs_snapshot.c Tue Nov 18 18:21:36 2008        
(r185054)
@@ -345,6 +345,8 @@ restart:
                if (error)
                        goto out;
                bawrite(nbp);
+               if (cg % 10 == 0)
+                       ffs_syncvnode(vp, MNT_WAIT);
        }
        /*
         * Copy all the cylinder group maps. Although the
@@ -366,6 +368,8 @@ restart:
                        goto out;
                error = cgaccount(cg, vp, nbp, 1);
                bawrite(nbp);
+               if (cg % 10 == 0)
+                       ffs_syncvnode(vp, MNT_WAIT);
                if (error)
                        goto out;
        }
_______________________________________________
svn-src-all@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "[EMAIL PROTECTED]"

Reply via email to