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Don't give disks special treatment, they don't come this way anymore.

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This commit is contained in:
Poul-Henning Kamp 2004-10-29 11:10:55 +00:00
parent f8e47eb0cd
commit 4cea3289da
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=137047
1 changed files with 0 additions and 37 deletions
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37
sys/fs/devfs/devfs_vnops.c
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@ -710,38 +710,6 @@ devfs_open(ap)
if (dev->si_iosize_max == 0)
dev->si_iosize_max = DFLTPHYS;
/*
* XXX: Disks get special billing here, but it is mostly wrong.
* XXX: Disk partitions can overlap and the real checks should
* XXX: take this into account, and consequently they need to
* XXX: live in the disk slice code. Some checks do.
*/
if (vn_isdisk(vp, NULL) && ap->a_cred != FSCRED &&
(ap->a_mode & FWRITE)) {
/*
* Never allow opens for write if the disk is mounted R/W.
*/
if (vp->v_rdev->si_mountpoint != NULL &&
!(vp->v_rdev->si_mountpoint->mnt_flag & MNT_RDONLY))
return (EBUSY);
/*
* When running in secure mode, do not allow opens
* for writing if the disk is mounted.
*/
error = securelevel_ge(td->td_ucred, 1);
if (error && vfs_mountedon(vp))
return (error);
/*
* When running in very secure mode, do not allow
* opens for writing of any disks.
*/
error = securelevel_ge(td->td_ucred, 2);
if (error)
return (error);
}
dsw = dev_refthread(dev);
if (dsw == NULL)
return (ENXIO);
@ -771,11 +739,6 @@ devfs_open(ap)
if (error)
return (error);
if (vn_isdisk(vp, NULL)) {
if (!dev->si_bsize_phys)
dev->si_bsize_phys = DEV_BSIZE;
vp->v_bufobj.bo_bsize = dev->si_bsize_phys;
}
return (error);
}