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Handle the bogus device that MFS uses as its VBLK device. We now don't

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try to VMIO open it on MFS mounts.  This will fix the mfs_badops
panic.
This commit is contained in:
John Dyson 1996-03-02 22:18:34 +00:00
parent dd1fd6c133
commit 847a3ba792
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=14345
1 changed files with 8 additions and 2 deletions
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10
sys/ufs/ffs/ffs_vfsops.c
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@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)ffs_vfsops.c 8.8 (Berkeley) 4/18/94
* $Id: ffs_vfsops.c,v 1.36 1996/02/25 20:12:36 bde Exp $
* $Id: ffs_vfsops.c,v 1.37 1996/03/02 03:45:12 dyson Exp $
*/
#include "opt_quota.h"
@ -584,7 +584,13 @@ ffs_mountfs(devvp, mp, p)
}
if (ronly == 0)
ffs_sbupdate(ump, MNT_WAIT);
vn_vmio_open(devvp, p, p->p_ucred);
/*
* Only VMIO the backing device if the backing device is a real
* block device. This excludes the original MFS implementation.
*/
if ((devvp->v_type == VBLK) && (major(devvp->v_rdev) < nblkdev)) {
vn_vmio_open(devvp, p, p->p_ucred);
}
return (0);
out:
if (bp)