SUNRPC: added debug messages to RPC pipefs
This patch adds debug messages for notification events. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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@ -33,6 +33,10 @@
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#include "netns.h"
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#include "sunrpc.h"
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#define RPCDBG_FACILITY RPCDBG_DEBUG
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#define NET_NAME(net) ((net == &init_net) ? " (init_net)" : "")
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static struct vfsmount *rpc_mnt __read_mostly;
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static int rpc_mount_count;
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@ -1082,6 +1086,8 @@ rpc_fill_super(struct super_block *sb, void *data, int silent)
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}
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if (rpc_populate(root, files, RPCAUTH_lockd, RPCAUTH_RootEOF, NULL))
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return -ENOMEM;
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dprintk("RPC: sending pipefs MOUNT notification for net %p%s\n", net,
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NET_NAME(net));
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err = blocking_notifier_call_chain(&rpc_pipefs_notifier_list,
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RPC_PIPEFS_MOUNT,
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sb);
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@ -1115,6 +1121,8 @@ void rpc_kill_sb(struct super_block *sb)
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sn->pipefs_sb = NULL;
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mutex_unlock(&sn->pipefs_sb_lock);
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put_net(net);
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dprintk("RPC: sending pipefs UMOUNT notification for net %p%s\n", net,
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NET_NAME(net));
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blocking_notifier_call_chain(&rpc_pipefs_notifier_list,
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RPC_PIPEFS_UMOUNT,
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sb);
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