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authorStanislav Kinsbursky <skinsbursky@parallels.com>2011-12-26 16:39:39 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-02-01 03:20:24 +0400
commitc21a588f35b1c50304e505fad542b3aab0814266 (patch)
tree2dda83e8d5f62eb9892c425941265aeeb278e952 /net/sunrpc/sunrpc_syms.c
parent90c4e82999c517e0cd00d0782c68d186cb18b784 (diff)
downloadlinux-c21a588f35b1c50304e505fad542b3aab0814266.tar.xz
SUNRPC: pipefs per-net operations helper introduced
During per-net pipes creation and destruction we have to make sure, that pipefs sb exists for the whole creation/destruction cycle. This is done by using special mutex which controls pipefs sb reference on network namespace context. Helper consists of two parts: first of them (rpc_get_dentry_net) searches for dentry with specified name and returns with mutex taken on success. When pipe creation or destructions is completed, caller should release this mutex by rpc_put_dentry_net call. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/sunrpc_syms.c')
-rw-r--r--net/sunrpc/sunrpc_syms.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c
index 8ec9778c3f4a..7086d11589c8 100644
--- a/net/sunrpc/sunrpc_syms.c
+++ b/net/sunrpc/sunrpc_syms.c
@@ -38,6 +38,7 @@ static __net_init int sunrpc_init_net(struct net *net)
if (err)
goto err_ipmap;
+ rpc_pipefs_init_net(net);
return 0;
err_ipmap: