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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>
This commit is contained in:
Stanislav Kinsbursky 2011-12-26 15:39:47 +03:00 committed by Trond Myklebust
parent c21a588f35
commit efc46bf2b2
1 changed files with 8 additions and 0 deletions
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8
net/sunrpc/rpc_pipe.c
View File

@ -33,6 +33,10 @@
#include "netns.h" #include "netns.h"
#include "sunrpc.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 struct vfsmount *rpc_mnt __read_mostly;
static int rpc_mount_count; static int rpc_mount_count;
@ -1082,6 +1086,8 @@ rpc_fill_super(struct super_block *sb, void *data, int silent)
} }
if (rpc_populate(root, files, RPCAUTH_lockd, RPCAUTH_RootEOF, NULL)) if (rpc_populate(root, files, RPCAUTH_lockd, RPCAUTH_RootEOF, NULL))
return -ENOMEM; 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, err = blocking_notifier_call_chain(&rpc_pipefs_notifier_list,
RPC_PIPEFS_MOUNT, RPC_PIPEFS_MOUNT,
sb); sb);
@ -1115,6 +1121,8 @@ void rpc_kill_sb(struct super_block *sb)
sn->pipefs_sb = NULL; sn->pipefs_sb = NULL;
mutex_unlock(&sn->pipefs_sb_lock); mutex_unlock(&sn->pipefs_sb_lock);
put_net(net); 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, blocking_notifier_call_chain(&rpc_pipefs_notifier_list,
RPC_PIPEFS_UMOUNT, RPC_PIPEFS_UMOUNT,
sb); sb);