Date: Fri, 23 Aug 2013 15:26:23 -0700 From: Kirk McKusick <mckusick@mckusick.com> To: Alfred Perlstein <alfred@ixsystems.com> Cc: fs@freebsd.org Subject: Re: expand vfsops for compat Message-ID: <201308232226.r7NMQNnT003092@chez.mckusick.com> In-Reply-To: <5217DF01.4070504@ixsystems.com>
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> Date: Fri, 23 Aug 2013 15:15:29 -0700 > From: Alfred Perlstein <alfred@ixsystems.com> > To: fs@freebsd.org > Subject: expand vfsops for compat > > Folks, > > I'd like to grow some spares into the VFSOPS table before 10.x, see > attached. > > This will allow us to grow the vfsops during the 10.x cycle without > breaking filesystems. > > > -- > Alfred Perlstein > > > --------------040403050509020903050101 > Content-Type: text/plain; charset=UTF-8; x-mac-type="0"; x-mac-creator="0"; > name="more_vfs_ops.diff" > Content-Transfer-Encoding: 7bit > Content-Disposition: attachment; > filename="more_vfs_ops.diff" > > Index: sys/mount.h > =================================================================== > --- sys/mount.h (revision 254717) > +++ sys/mount.h (working copy) > @@ -628,6 +628,12 @@ > vfs_susp_clean_t *vfs_susp_clean; > vfs_notify_lowervp_t *vfs_reclaim_lowervp; > vfs_notify_lowervp_t *vfs_unlink_lowervp; > + vfs_mount_t *vfs_spare1; > + vfs_mount_t *vfs_spare2; > + vfs_mount_t *vfs_spare3; > + vfs_mount_t *vfs_spare4; > + vfs_mount_t *vfs_spare5; > + vfs_mount_t *vfs_spare6; > }; > > vfs_statfs_t __vfs_statfs; > This seems sensible to me. Kirk McKusick
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