svn commit: r229828 - in head/sys: kern ufs/ufs
kostikbel at gmail.com
Mon Jan 9 12:38:50 UTC 2012
On Mon, Jan 09, 2012 at 12:55:06AM -0800, Doug Barton wrote:
> On 01/08/2012 15:06, Konstantin Belousov wrote:
> > Author: kib
> > Date: Sun Jan 8 23:06:53 2012
> > New Revision: 229828
> > URL: http://svn.freebsd.org/changeset/base/229828
> > Log:
> > Avoid LOR between vfs_busy() lock and covered vnode lock on quotaon().
> Does this mean that if we turn witness back on the ever-present VFS LORs
> will no longer be there, or does this only affect calls to quotaon()?
vfs_busy() lock is not accounted for by witness, so there shall be no
changes in the witness reports. The scenario affected only fired when
somebody did quotaon and unmount proceeded in parallel.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 196 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/svn-src-head/attachments/20120109/70db9137/attachment-0001.pgp
More information about the svn-src-head