diff options
Diffstat (limited to 'sys/fs/specfs/spec_vnops.c')
| -rw-r--r-- | sys/fs/specfs/spec_vnops.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sys/fs/specfs/spec_vnops.c b/sys/fs/specfs/spec_vnops.c index 46b4eb5..7509c5e 100644 --- a/sys/fs/specfs/spec_vnops.c +++ b/sys/fs/specfs/spec_vnops.c @@ -158,7 +158,7 @@ spec_open(ap) struct proc *p = ap->a_p; struct vnode *bvp, *vp = ap->a_vp; dev_t bdev, dev = vp->v_rdev; - int error; + int error, maxio; struct cdevsw *dsw; /* @@ -233,8 +233,14 @@ spec_open(ap) if (vn_isdisk(vp)) { if (!dev->si_bsize_phys) dev->si_bsize_phys = DEV_BSIZE; - if (!dev->si_bsize_max) - dev->si_bsize_max = MAXBSIZE; + maxio = dev->si_iosize_max; + if (!maxio) + maxio = devsw(dev)->d_maxio; /* XXX */ + if (!maxio) + maxio = DFLTPHYS; + if (maxio > MAXPHYS) + maxio = MAXPHYS; + vp->v_maxio = maxio; } return (error); |
