, [email protected], Janak Desai <[email protected]>, [email protected], [email protected]
Subject: [PATCH 6/7] shared subtree
Content-Type: text/x-patch; name=namespace.patch
Content-Disposition: inline; filename=namespace.patch
Adds ability to clone a namespace that has shared/private/slave/unclone
subtrees in it.
RP
Signed by Ram Pai ([email protected])
fs/namespace.c | 9 +++++++++
1 files changed, 9 insertions(+)
Index: 2.6.12-rc6.work1/fs/namespace.c
===================================================================
--- 2.6.12-rc6.work1.orig/fs/namespace.c
+++ 2.6.12-rc6.work1/fs/namespace.c
@@ -1894,6 +1894,13 @@ int copy_namespace(int flags, struct tas
q = new_ns->root;
while (p) {
q->mnt_namespace = new_ns;
+
+ if (IS_MNT_SHARED(q))
+ pnode_add_member_mnt(q->mnt_pnode, q);
+ else if (IS_MNT_SLAVE(q))
+ pnode_add_slave_mnt(q->mnt_pnode, q);
+ put_pnode(q->mnt_pnode);
+
if (fs) {
if (p == fs->rootmnt) {
rootmnt = p;
@@ -2271,6 +2278,8 @@ void __put_namespace(struct namespace *n
spin_lock(&vfsmount_lock);
list_for_each_entry(mnt, &namespace->list, mnt_list) {
+ if (mnt->mnt_pnode)
+ pnode_disassociate_mnt(mnt);
mnt->mnt_namespace = NULL;
}
-
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