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Make dev_ref() require the dev_lock() to be held and use it from

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devfs instead of directly frobbing the si_refcount.
This commit is contained in:
Poul-Henning Kamp 2005-02-22 14:41:04 +00:00
parent f5cc6677c1
commit 1a1457d427
2 changed files with 2 additions and 3 deletions
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2
sys/fs/devfs/devfs_vnops.c
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@ -197,7 +197,7 @@ devfs_allocv(struct devfs_dirent *de, struct mount *mp, struct vnode **vpp, stru
vp->v_type = VCHR;
VI_LOCK(vp);
dev_lock();
dev->si_refcount++;
dev_ref(dev);
vp->v_rdev = dev;
SLIST_INSERT_HEAD(&dev->si_hlist, vp, v_specnext);
dev->si_usecount += vp->v_usecount;

3
sys/kern/kern_conf.c
View File

@ -81,9 +81,8 @@ void
dev_ref(struct cdev *dev)
{
dev_lock();
mtx_assert(&devmtx, MA_OWNED);
dev->si_refcount++;
dev_unlock();
}
void