From: Bryan Schumaker <bjschuma@xxxxxxxxxx>
I added in a generic for-each loop that takes a pass over the client_lru
list and calls some function. The next few patches will update other
operations to use this function as well. A value of 0 still means "forget
everything that is found".
Signed-off-by: Bryan Schumaker <bjschuma@xxxxxxxxxx>
---
fs/nfsd/nfs4state.c | 23 ++++++++++++++++++-----
1 file changed, 18 insertions(+), 5 deletions(-)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 050a35e..07abca5 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -4591,19 +4591,32 @@ nfs4_check_open_reclaim(clientid_t *clid, bool sessions, struct nfsd_net *nn)
#ifdef CONFIG_NFSD_FAULT_INJECTION
-void nfsd_forget_clients(u64 num)
+u64 nfsd_forget_client(struct nfsd_net *nn, struct nfs4_client *clp, u64 max)
+{
+ nfsd4_client_record_remove(clp);
+ expire_client(clp);
+ return 1;
+}
+
+static u64 nfsd_for_n_state(u64 max, u64 (*func)(struct nfsd_net *, struct nfs4_client *, u64))
{
struct nfs4_client *clp, *next;
- int count = 0;
+ u64 count = 0;
struct nfsd_net *nn = net_generic(current->nsproxy->net_ns, nfsd_net_id);
list_for_each_entry_safe(clp, next, &nn->client_lru, cl_lru) {
- expire_client(clp);
- if (++count == num)
+ count += func(nn, clp, max - count);
+ if ((max != 0) && (count >= max))
break;
}
- printk(KERN_INFO "NFSD: Forgot %d clients", count);
+ return count;
+}
+
+void nfsd_forget_clients(u64 num)
+{
+ u64 count = nfsd_for_n_state(num, nfsd_forget_client);
+ printk(KERN_INFO "NFSD: Forgot %llu clients", count);
}
static void release_lockowner_sop(struct nfs4_stateowner *sop)
--
1.8.0.1
--
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