| [PATCH 7/7] SUNRPC: added debug messages to RPC pipefs [message #43911 is a reply to message #43906] |
Fri, 28 October 2011 14:29  |
Stanislav Kinsbursky
Messages: 683
Registered: October 2011
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Senior Member |
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This patch adds debug messages for notification events.
Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
---
net/sunrpc/rpc_pipe.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index cbf213e..42e4b6e 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -33,6 +33,10 @@
#include "netns.h"
#include "sunrpc.h"
+#define RPCDBG_FACILITY RPCDBG_DEBUG
+
+#define NET_NAME(net) ((net == &init_net) ? " (init_net)" : "")
+
static struct vfsmount *rpc_mnt __read_mostly;
static int rpc_mount_count;
@@ -1095,6 +1099,8 @@ rpc_fill_super(struct super_block *sb, void *data, int silent)
}
if (rpc_populate(root, files, RPCAUTH_lockd, RPCAUTH_RootEOF, NULL))
return -ENOMEM;
+ dprintk("RPC: sending pipefs MOUNT notification for net %p%s\n", net,
+ NET_NAME(net));
err = blocking_notifier_call_chain(&rpc_pipefs_notifier_list,
RPC_PIPEFS_MOUNT,
sb);
@@ -1128,6 +1134,8 @@ void rpc_kill_sb(struct super_block *sb)
sn->pipefs_sb = NULL;
mutex_unlock(&sn->pipefs_sb_lock);
put_net(net);
+ dprintk("RPC: sending pipefs UMOUNT notification for net %p%s\n", net,
+ NET_NAME(net));
blocking_notifier_call_chain(&rpc_pipefs_notifier_list,
RPC_PIPEFS_UMOUNT,
sb);
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