nfsd4: implement reclaim_complete

[safe/jmp/linux-2.6] / fs / nfsd / nfs4xdr.c

diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index b27bcf3..ac17a70 100644 (file)
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -40,6 +40,7 @@
  * at the end of nfs4svc_decode_compoundargs.
  */
 
+#include <linux/slab.h>
 #include <linux/namei.h>
 #include <linux/statfs.h>
 #include <linux/utsname.h>
@@ -160,10 +161,10 @@ static __be32 *read_buf(struct nfsd4_compoundargs *argp, u32 nbytes)
        argp->p = page_address(argp->pagelist[0]);
        argp->pagelist++;
        if (argp->pagelen < PAGE_SIZE) {
-               argp->end = p + (argp->pagelen>>2);
+               argp->end = argp->p + (argp->pagelen>>2);
                argp->pagelen = 0;
        } else {
-               argp->end = p + (PAGE_SIZE>>2);
+               argp->end = argp->p + (PAGE_SIZE>>2);
                argp->pagelen -= PAGE_SIZE;
        }
        memcpy(((char*)p)+avail, argp->p, (nbytes - avail));
@@ -1233,6 +1234,16 @@ nfsd4_decode_sequence(struct nfsd4_compoundargs *argp,
        DECODE_TAIL;
 }
 
+static __be32 nfsd4_decode_reclaim_complete(struct nfsd4_compoundargs *argp, struct nfsd4_reclaim_complete *rc)
+{
+       DECODE_HEAD;
+
+       READ_BUF(4);
+       READ32(rc->rca_one_fs);
+
+       DECODE_TAIL;
+}
+
 static __be32
 nfsd4_decode_noop(struct nfsd4_compoundargs *argp, void *p)
 {
@@ -1345,7 +1356,7 @@ static nfsd4_dec nfsd41_dec_ops[] = {
        [OP_TEST_STATEID]       = (nfsd4_dec)nfsd4_decode_notsupp,
        [OP_WANT_DELEGATION]    = (nfsd4_dec)nfsd4_decode_notsupp,
        [OP_DESTROY_CLIENTID]   = (nfsd4_dec)nfsd4_decode_notsupp,
-       [OP_RECLAIM_COMPLETE]   = (nfsd4_dec)nfsd4_decode_notsupp,
+       [OP_RECLAIM_COMPLETE]   = (nfsd4_dec)nfsd4_decode_reclaim_complete,
 };
 
 struct nfsd4_minorversion_ops {
@@ -1425,10 +1436,10 @@ nfsd4_decode_compound(struct nfsd4_compoundargs *argp)
                        argp->p = page_address(argp->pagelist[0]);
                        argp->pagelist++;
                        if (argp->pagelen < PAGE_SIZE) {
-                               argp->end = p + (argp->pagelen>>2);
+                               argp->end = argp->p + (argp->pagelen>>2);
                                argp->pagelen = 0;
                        } else {
-                               argp->end = p + (PAGE_SIZE>>2);
+                               argp->end = argp->p + (PAGE_SIZE>>2);
                                argp->pagelen -= PAGE_SIZE;
                        }
                }
@@ -1528,7 +1539,7 @@ static void write_cinfo(__be32 **p, struct nfsd4_change_info *c)
        } } while (0);
 
 /* Encode as an array of strings the string given with components
- * seperated @sep.
+ * separated @sep.
  */
 static __be32 nfsd4_encode_components(char sep, char *components,
                                   __be32 **pp, int *buflen)
@@ -3312,7 +3323,8 @@ nfs4svc_encode_compoundres(struct svc_rqst *rqstp, __be32 *p, struct nfsd4_compo
                        dprintk("%s: SET SLOT STATE TO AVAILABLE\n", __func__);
                        cs->slot->sl_inuse = false;
                }
-               nfsd4_put_session(cs->session);
+               /* Renew the clientid on success and on replay */
+               release_session_client(cs->session);
        }
        return 1;
 }