On Wed, May 12, 2010 at 06:29:46PM -0400, J. Bruce Fields wrote:
> The following works for me. If you don't see any objection, I'll squash
> this in and push out the result.
And then this will also go on top.
(With the nfsd4_reclaim_complete() code being the one part mildly
relevant to your patch series.)
--b.
commit 3746094a09914b8e380bf6273f7ceb478de79157
Author: J. Bruce Fields <bfields@xxxxxxxxxxxxxx>
Date: Mon Apr 19 15:11:28 2010 -0400
nfsd4: implement reclaim_complete
This is a mandatory operation. Also, here (not in open) is where we
should be committing the reboot recovery information.
Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxxxxxx>
diff --git a/Documentation/filesystems/nfs/nfs41-server.txt b/Documentation/filesystems/nfs/nfs41-server.txt
index 6a53a84..0488491 100644
--- a/Documentation/filesystems/nfs/nfs41-server.txt
+++ b/Documentation/filesystems/nfs/nfs41-server.txt
@@ -137,7 +137,7 @@ NS*| OPENATTR | OPT | | Section 18.17 |
| READ | REQ | | Section 18.22 |
| READDIR | REQ | | Section 18.23 |
| READLINK | OPT | | Section 18.24 |
-NS | RECLAIM_COMPLETE | REQ | | Section 18.51 |
+ | RECLAIM_COMPLETE | REQ | | Section 18.51 |
| RELEASE_LOCKOWNER | MNI | | N/A |
| REMOVE | REQ | | Section 18.25 |
| RENAME | REQ | | Section 18.26 |
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index e2dc960..59ec449 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1312,6 +1312,11 @@ static struct nfsd4_operation nfsd4_ops[] = {
.op_flags = ALLOWED_WITHOUT_FH | ALLOWED_AS_FIRST_OP,
.op_name = "OP_SEQUENCE",
},
+ [OP_RECLAIM_COMPLETE] = {
+ .op_func = (nfsd4op_func)nfsd4_reclaim_complete,
+ .op_flags = ALLOWED_WITHOUT_FH,
+ .op_name = "OP_RECLAIM_COMPLETE",
+ },
};
static const char *nfsd4_op_name(unsigned opnum)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index e563597..89b77fe 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1503,6 +1503,35 @@ out:
}
__be32
+nfsd4_reclaim_complete(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, struct nfsd4_reclaim_complete *rc)
+{
+ if (rc->rca_one_fs) {
+ if (!cstate->current_fh.fh_dentry)
+ return nfserr_nofilehandle;
+ /*
+ * We don't take advantage of the rca_one_fs case.
+ * That's OK, it's optional, we can safely ignore it.
+ */
+ return nfs_ok;
+ }
+ nfs4_lock_state();
+ if (is_client_expired(cstate->session->se_client)) {
+ nfs4_unlock_state();
+ /*
+ * The following error isn't really legal.
+ * But we only get here if the client just explicitly
+ * destroyed the client. Surely it no longer cares what
+ * error it gets back on an operation for the dead
+ * client.
+ */
+ return nfserr_stale_clientid;
+ }
+ nfsd4_create_clid_dir(cstate->session->se_client);
+ nfs4_unlock_state();
+ return nfs_ok;
+}
+
+__be32
nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
struct nfsd4_setclientid *setclid)
{
@@ -2511,10 +2540,8 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf
}
memcpy(&open->op_stateid, &stp->st_stateid, sizeof(stateid_t));
- if (nfsd4_has_session(&resp->cstate)) {
+ if (nfsd4_has_session(&resp->cstate))
open->op_stateowner->so_confirmed = 1;
- nfsd4_create_clid_dir(open->op_stateowner->so_client);
- }
/*
* Attempt to hand out a delegation. No error return, because the
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 126d0ca..ac17a70 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1234,6 +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)
{
@@ -1346,7 +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 {
diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
index c28958e..4d476ff 100644
--- a/fs/nfsd/xdr4.h
+++ b/fs/nfsd/xdr4.h
@@ -381,6 +381,10 @@ struct nfsd4_destroy_session {
struct nfs4_sessionid sessionid;
};
+struct nfsd4_reclaim_complete {
+ u32 rca_one_fs;
+};
+
struct nfsd4_op {
int opnum;
__be32 status;
@@ -421,6 +425,7 @@ struct nfsd4_op {
struct nfsd4_create_session create_session;
struct nfsd4_destroy_session destroy_session;
struct nfsd4_sequence sequence;
+ struct nfsd4_reclaim_complete reclaim_complete;
} u;
struct nfs4_replay * replay;
};
@@ -523,6 +528,7 @@ extern __be32 nfsd4_sequence(struct svc_rqst *,
extern __be32 nfsd4_destroy_session(struct svc_rqst *,
struct nfsd4_compound_state *,
struct nfsd4_destroy_session *);
+__be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_reclaim_complete *);
extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *,
struct nfsd4_open *open);
extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp,
--
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