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m_extadd does not appear to do the right thing for the case of clusters

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allocated from UMA - add m_cljset to correspond to m_cljget

MFC after: 3 days
This commit is contained in:
Kip Macy 2007-04-04 04:08:57 +00:00
parent a6a026d5f8
commit e0bfe940a4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=168350
1 changed files with 39 additions and 0 deletions
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39
sys/sys/mbuf.h
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@ -533,6 +533,45 @@ m_cljget(struct mbuf *m, int how, int size)
return (uma_zalloc_arg(zone, m, how));
}
static __inline void
m_cljset(struct mbuf *m, void *cl, int type)
{
uma_zone_t zone;
int size;
switch (type) {
case EXT_CLUSTER:
size = MCLBYTES;
zone = zone_clust;
break;
#if MJUMPAGESIZE != MCLBYTES
case EXT_JUMBOP:
size = MJUMPAGESIZE;
zone = zone_jumbop;
break;
#endif
case EXT_JUMBO9:
size = MJUM9BYTES;
zone = zone_jumbo9;
break;
case EXT_JUMBO16:
size = MJUM16BYTES;
zone = zone_jumbo16;
break;
default:
panic("unknown cluster type");
break;
}
m->m_data = m->m_ext.ext_buf = cl;
m->m_ext.ext_free = m->m_ext.ext_args = NULL;
m->m_ext.ext_size = size;
m->m_ext.ext_type = type;
m->m_ext.ref_cnt = uma_find_refcnt(zone, cl);
m->m_flags |= M_EXT;
}
static __inline void
m_chtype(struct mbuf *m, short new_type)
{