Document vholdl(9)
No longer refer to vbusy(9) or vfree(9)
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@ -38,13 +38,17 @@
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.Ft void
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.Ft void
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.Fn vhold "struct vnode *vp"
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.Fn vhold "struct vnode *vp"
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.Ft void
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.Ft void
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.Fn vholdl "struct vnode *vp"
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.Ft void
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.Fn vdrop "struct vnode *vp"
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.Fn vdrop "struct vnode *vp"
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.Ft void
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.Ft void
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.Fn vdropl "struct vnode *vp"
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.Fn vdropl "struct vnode *vp"
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.Sh DESCRIPTION
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.Sh DESCRIPTION
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The
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The
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.Fn vhold
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.Fn vhold
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function increments the
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and
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.Fn vholdl
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functions increment the
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.Va v_holdcnt
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.Va v_holdcnt
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of the given vnode.
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of the given vnode.
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If the vnode has already been added to the free list and is still referenced,
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If the vnode has already been added to the free list and is still referenced,
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@ -64,20 +68,16 @@ or
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the system will panic.
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the system will panic.
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If the vnode is no longer referenced, it will be freed.
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If the vnode is no longer referenced, it will be freed.
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.Pp
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.Pp
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The difference between
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.Fn vhold
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and
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.Fn vdrop
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.Fn vdrop
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lock the vnode interlock while
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.Fn vholdl
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and
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and
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.Fn vdropl
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.Fn vdropl
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is that
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expect the interlock to already be held.
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.Fn vdrop
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locks the vnode interlock and then calls
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.Fn vdropl
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while
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.Fn vdropl
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expects the interlock to already be locked.
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.Sh SEE ALSO
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.Sh SEE ALSO
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.Xr vbusy 9 ,
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.Xr vnode 9
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.Xr vfree 9
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.Sh AUTHORS
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.Sh AUTHORS
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This manual page was written by
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This manual page was written by
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.An Chad David Aq davidc@acns.ab.ca .
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.An Chad David Aq davidc@acns.ab.ca .
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