[PATCH v3 7/7] SUNRPC: added debug messages to RPC pipefs
From: Stanislav Kinsbursky <hidden>
Date: 2011-12-26 11:40:11
Also in:
linux-nfs, lkml
Subsystem:
kernel nfsd, sunrpc, and lockd servers, networking [general], nfs, sunrpc, and lockd clients, the rest · Maintainers:
Chuck Lever, Jeff Layton, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Trond Myklebust, Anna Schumaker, Linus Torvalds
This patch adds debug messages for notification events. Signed-off-by: Stanislav Kinsbursky <redacted> --- 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 e40ec55..0cafd59 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;
@@ -1083,6 +1087,8 @@ 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);
@@ -1116,6 +1122,8 @@ 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);