diff options
| author | cinap_lenrek <cinap_lenrek@felloff.net> | 2015-08-09 21:16:10 +0200 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@felloff.net> | 2015-08-09 21:16:10 +0200 |
| commit | 9f4eac529243e21ae310ad3a07139d9981f1ce9c (patch) | |
| tree | 87526675289ef6f56cb0882c38d45fab707d0fa3 /sys/src/9/port/devshr.c | |
| parent | 3af236b5e36951ba637d59e4d0362cdb0e428bd2 (diff) | |
kernel: pgrpcpy(), simplify Mount structure
instead of ordering the source mount list, order the new destination
list which has the advantage that we do not need to wlock the source
namespace, so copying can be done in parallel and we do not need the
copy forward pointer in the Mount structure.
the Mhead back pointer in the Mount strcture was unused, removed.
Diffstat (limited to 'sys/src/9/port/devshr.c')
| -rw-r--r-- | sys/src/9/port/devshr.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/sys/src/9/port/devshr.c b/sys/src/9/port/devshr.c index 03a79bc8a..bc7677210 100644 --- a/sys/src/9/port/devshr.c +++ b/sys/src/9/port/devshr.c @@ -531,7 +531,6 @@ shrcreate(Chan *c, char *name, int omode, ulong perm) incref(mpt); mpt->m.mflag = (h->mount == nil) ? MCREATE : 0; - mpt->m.head = h; mpt->m.next = h->mount; h->mount = &mpt->m; @@ -602,7 +601,6 @@ shrremove(Chan *c) if(*ml == m){ *ml = m->next; m->next = nil; - m->head = nil; putmpt(mpt); break; } |