Date: Thu, 13 Nov 2008 19:47:40 +0200 From: Kostik Belousov <kostikbel@gmail.com> To: Doug Ambrisko <ambrisko@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r184934 - head/sys/ufs/ffs Message-ID: <20081113174740.GV47073@deviant.kiev.zoral.com.ua> In-Reply-To: <200811131740.mADHeMDr065039@svn.freebsd.org> References: <200811131740.mADHeMDr065039@svn.freebsd.org>
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[-- Attachment #1 --] On Thu, Nov 13, 2008 at 05:40:21PM +0000, Doug Ambrisko wrote: > Author: ambrisko > Date: Thu Nov 13 17:40:21 2008 > New Revision: 184934 > URL: http://svn.freebsd.org/changeset/base/184934 > > Log: > 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. Better tuning can be figured out later. > > Tested by: Tim, others and work > Reviewed by: Kostik Belousov > PR: 128832 > > Modified: > head/sys/ufs/ffs/ffs_snapshot.c > > Modified: head/sys/ufs/ffs/ffs_snapshot.c > ============================================================================== > --- head/sys/ufs/ffs/ffs_snapshot.c Thu Nov 13 17:13:16 2008 (r184933) > +++ head/sys/ufs/ffs/ffs_snapshot.c Thu Nov 13 17:40:21 2008 (r184934) > @@ -351,6 +351,8 @@ restart: > if (error) > goto out; > bawrite(nbp); > + if (cg % 10 == 0) > + ffs_syncvnode(vp, MNT_WAIT); > } > /* > * Copy all the cylinder group maps. Although the > @@ -372,6 +374,8 @@ restart: > goto out; > error = cgaccount(cg, vp, nbp, 1); > bawrite(nbp); > + if (cg % 10 == 0) > + ffs_syncvnode(vp, MNT_WAIT); > if (error) > goto out; > } Thank you ! Please, MFC it for 7.1. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEUEARECAAYFAkkcaDwACgkQC3+MBN1Mb4jRogCdHwD5VwFVd3hUd/sBp7izsbLU A6wAmLBdCZZgZQMDyXajf0CewBKxbqM= =2KHl -----END PGP SIGNATURE-----
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