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-rw-r--r--fs/nfsd/fault_inject.c13
-rw-r--r--fs/nfsd/nfs4state.c42
-rw-r--r--fs/nfsd/state.h5
3 files changed, 58 insertions, 2 deletions
diff --git a/fs/nfsd/fault_inject.c b/fs/nfsd/fault_inject.c
index bf6161adf663..545f8e4ed101 100644
--- a/fs/nfsd/fault_inject.c
+++ b/fs/nfsd/fault_inject.c
@@ -14,28 +14,34 @@
struct nfsd_fault_inject_op {
char *file;
u64 (*forget)(struct nfs4_client *, u64);
+ u64 (*print)(struct nfs4_client *, u64);
};
static struct nfsd_fault_inject_op inject_ops[] = {
{
.file = "forget_clients",
.forget = nfsd_forget_client,
+ .print = nfsd_print_client,
},
{
.file = "forget_locks",
.forget = nfsd_forget_client_locks,
+ .print = nfsd_print_client_locks,
},
{
.file = "forget_openowners",
.forget = nfsd_forget_client_openowners,
+ .print = nfsd_print_client_openowners,
},
{
.file = "forget_delegations",
.forget = nfsd_forget_client_delegations,
+ .print = nfsd_print_client_delegations,
},
{
.file = "recall_delegations",
.forget = nfsd_recall_client_delegations,
+ .print = nfsd_print_client_delegations,
},
};
@@ -59,9 +65,12 @@ static int nfsd_inject_set(void *op_ptr, u64 val)
return 0;
}
-static int nfsd_inject_get(void *data, u64 *val)
+static int nfsd_inject_get(void *op_ptr, u64 *val)
{
- *val = 0;
+ struct nfsd_fault_inject_op *op = op_ptr;
+ nfs4_lock_state();
+ *val = nfsd_for_n_state(0, op->print);
+ nfs4_unlock_state();
return 0;
}
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index ab45cdd7b3da..9fb8e52580f3 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -4611,6 +4611,22 @@ u64 nfsd_forget_client(struct nfs4_client *clp, u64 max)
return 1;
}
+u64 nfsd_print_client(struct nfs4_client *clp, u64 num)
+{
+ char buf[INET6_ADDRSTRLEN];
+ rpc_ntop((struct sockaddr *)&clp->cl_addr, buf, 129);
+ printk(KERN_INFO "NFS Client: %s\n", buf);
+ return 1;
+}
+
+static void nfsd_print_count(struct nfs4_client *clp, unsigned int count,
+ const char *type)
+{
+ char buf[INET6_ADDRSTRLEN];
+ rpc_ntop((struct sockaddr *)&clp->cl_addr, buf, 129);
+ printk(KERN_INFO "NFS Client: %s has %u %s\n", buf, count, type);
+}
+
static u64 nfsd_foreach_client_lock(struct nfs4_client *clp, u64 max, void (*func)(struct nfs4_lockowner *))
{
struct nfs4_openowner *oop;
@@ -4637,6 +4653,13 @@ u64 nfsd_forget_client_locks(struct nfs4_client *clp, u64 max)
return nfsd_foreach_client_lock(clp, max, release_lockowner);
}
+u64 nfsd_print_client_locks(struct nfs4_client *clp, u64 max)
+{
+ u64 count = nfsd_foreach_client_lock(clp, max, NULL);
+ nfsd_print_count(clp, count, "locked files");
+ return count;
+}
+
static u64 nfsd_foreach_client_open(struct nfs4_client *clp, u64 max, void (*func)(struct nfs4_openowner *))
{
struct nfs4_openowner *oop, *next;
@@ -4657,6 +4680,13 @@ u64 nfsd_forget_client_openowners(struct nfs4_client *clp, u64 max)
return nfsd_foreach_client_open(clp, max, release_openowner);
}
+u64 nfsd_print_client_openowners(struct nfs4_client *clp, u64 max)
+{
+ u64 count = nfsd_foreach_client_open(clp, max, NULL);
+ nfsd_print_count(clp, count, "open files");
+ return count;
+}
+
static u64 nfsd_find_all_delegations(struct nfs4_client *clp, u64 max,
struct list_head *victims)
{
@@ -4703,6 +4733,18 @@ u64 nfsd_recall_client_delegations(struct nfs4_client *clp, u64 max)
return count;
}
+u64 nfsd_print_client_delegations(struct nfs4_client *clp, u64 max)
+{
+ u64 count = 0;
+
+ spin_lock(&recall_lock);
+ count = nfsd_find_all_delegations(clp, max, NULL);
+ spin_unlock(&recall_lock);
+
+ nfsd_print_count(clp, count, "delegations");
+ return count;
+}
+
u64 nfsd_for_n_state(u64 max, u64 (*func)(struct nfs4_client *, u64))
{
struct nfs4_client *clp, *next;
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 423ac64ceb74..4017f3553a63 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -508,6 +508,11 @@ u64 nfsd_forget_client_locks(struct nfs4_client*, u64);
u64 nfsd_forget_client_openowners(struct nfs4_client *, u64);
u64 nfsd_forget_client_delegations(struct nfs4_client *, u64);
u64 nfsd_recall_client_delegations(struct nfs4_client *, u64);
+
+u64 nfsd_print_client(struct nfs4_client *, u64);
+u64 nfsd_print_client_locks(struct nfs4_client *, u64);
+u64 nfsd_print_client_openowners(struct nfs4_client *, u64);
+u64 nfsd_print_client_delegations(struct nfs4_client *, u64);
#else /* CONFIG_NFSD_FAULT_INJECTION */
static inline int nfsd_fault_inject_init(void) { return 0; }
static inline void nfsd_fault_inject_cleanup(void) {}