Make dev_ref() require the dev_lock() to be held and use it from
devfs instead of directly frobbing the si_refcount.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=142232
@ -197,7 +197,7 @@ devfs_allocv(struct devfs_dirent *de, struct mount *mp, struct vnode **vpp, stru
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vp->v_type = VCHR;
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VI_LOCK(vp);
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dev_lock();
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dev->si_refcount++;
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dev_ref(dev);
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vp->v_rdev = dev;
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SLIST_INSERT_HEAD(&dev->si_hlist, vp, v_specnext);
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dev->si_usecount += vp->v_usecount;
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@ -81,9 +81,8 @@ void
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dev_ref(struct cdev *dev)
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{
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dev_lock();
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mtx_assert(&devmtx, MA_OWNED);
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dev->si_refcount++;
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dev_unlock();
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}
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void
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