args->csa_nrclists = ntohl(*p++);
args->csa_rclists = NULL;
if (args->csa_nrclists) {
- args->csa_rclists = kmalloc(args->csa_nrclists *
- sizeof(*args->csa_rclists),
- GFP_KERNEL);
+ args->csa_rclists = kmalloc_array(args->csa_nrclists,
+ sizeof(*args->csa_rclists),
+ GFP_KERNEL);
if (unlikely(args->csa_rclists == NULL))
goto out;
const struct cb_sequenceres *res)
{
__be32 *p;
- unsigned status = res->csr_status;
+ __be32 status = res->csr_status;
if (unlikely(status != 0))
goto out;
smp_rmb();
- BUG_ON(clp->cl_cons_state != NFS_CS_READY);
-
dprintk("<-- %s found nfs_client %p for %s\n",
__func__, clp, cl_init->hostname ?: "");
return clp;
nfs_list_remove_request(req);
if (dreq->flags == NFS_ODIRECT_RESCHED_WRITES) {
/* Note the rewrite will go through mds */
- kref_get(&req->wb_kref);
nfs_mark_request_commit(req, NULL, &cinfo);
- }
+ } else
+ nfs_release_request(req);
nfs_unlock_and_release_request(req);
}
if (dreq->flags == NFS_ODIRECT_RESCHED_WRITES)
bit = NFS_IOHDR_NEED_RESCHED;
else if (dreq->flags == 0) {
- memcpy(&dreq->verf, &req->wb_verf,
+ memcpy(&dreq->verf, hdr->verf,
sizeof(dreq->verf));
bit = NFS_IOHDR_NEED_COMMIT;
dreq->flags = NFS_ODIRECT_DO_COMMIT;
} else if (dreq->flags == NFS_ODIRECT_DO_COMMIT) {
- if (memcmp(&dreq->verf, &req->wb_verf, sizeof(dreq->verf))) {
+ if (memcmp(&dreq->verf, hdr->verf, sizeof(dreq->verf))) {
dreq->flags = NFS_ODIRECT_RESCHED_WRITES;
bit = NFS_IOHDR_NEED_RESCHED;
} else
extern const struct nfs4_minor_version_ops *nfs_v4_minor_ops[];
-extern const u32 nfs4_fattr_bitmap[2];
+extern const u32 nfs4_fattr_bitmap[3];
extern const u32 nfs4_statfs_bitmap[2];
extern const u32 nfs4_pathconf_bitmap[2];
extern const u32 nfs4_fsinfo_bitmap[3];
return -EINVAL;
case -NFS4ERR_SHARE_DENIED:
return -EACCES;
+ case -NFS4ERR_MINOR_VERS_MISMATCH:
+ return -EPROTONOSUPPORT;
default:
dprintk("%s could not handle NFSv4 error %d\n",
__func__, -err);
/*
* This is our standard bitmap for GETATTR requests.
*/
-const u32 nfs4_fattr_bitmap[2] = {
+const u32 nfs4_fattr_bitmap[3] = {
FATTR4_WORD0_TYPE
| FATTR4_WORD0_CHANGE
| FATTR4_WORD0_SIZE
| FATTR4_WORD1_TIME_MODIFY
};
+static const u32 nfs4_pnfs_open_bitmap[3] = {
+ FATTR4_WORD0_TYPE
+ | FATTR4_WORD0_CHANGE
+ | FATTR4_WORD0_SIZE
+ | FATTR4_WORD0_FSID
+ | FATTR4_WORD0_FILEID,
+ FATTR4_WORD1_MODE
+ | FATTR4_WORD1_NUMLINKS
+ | FATTR4_WORD1_OWNER
+ | FATTR4_WORD1_OWNER_GROUP
+ | FATTR4_WORD1_RAWDEV
+ | FATTR4_WORD1_SPACE_USED
+ | FATTR4_WORD1_TIME_ACCESS
+ | FATTR4_WORD1_TIME_METADATA
+ | FATTR4_WORD1_TIME_MODIFY,
+ FATTR4_WORD2_MDSTHRESHOLD
+};
+
const u32 nfs4_statfs_bitmap[2] = {
FATTR4_WORD0_FILES_AVAIL
| FATTR4_WORD0_FILES_FREE
p->o_arg.name = &dentry->d_name;
p->o_arg.server = server;
p->o_arg.bitmask = server->attr_bitmask;
+ p->o_arg.open_bitmap = &nfs4_fattr_bitmap[0];
p->o_arg.claim = NFS4_OPEN_CLAIM_NULL;
if (attrs != NULL && attrs->ia_valid != 0) {
__be32 verf[2];
opendata->f_attr.mdsthreshold = pnfs_mdsthreshold_alloc();
if (!opendata->f_attr.mdsthreshold)
goto err_opendata_put;
+ opendata->o_arg.open_bitmap = &nfs4_pnfs_open_bitmap[0];
}
if (dentry->d_inode != NULL)
opendata->state = nfs4_get_open_state(dentry->d_inode, sp);
struct nfs4_state *res;
int status;
+ fmode &= FMODE_READ|FMODE_WRITE;
do {
status = _nfs4_do_open(dir, dentry, fmode, flags, sattr, cred,
&res, ctx_th);
nfs_fattr_init(fattr);
+ /* Deal with open(O_TRUNC) */
+ if (sattr->ia_valid & ATTR_OPEN)
+ sattr->ia_valid &= ~(ATTR_MTIME|ATTR_CTIME|ATTR_OPEN);
+
+ /* Optimization: if the end result is no change, don't RPC */
+ if ((sattr->ia_valid & ~(ATTR_FILE)) == 0)
+ return 0;
+
/* Search for an existing open(O_WRITE) file */
if (sattr->ia_valid & ATTR_FILE) {
struct nfs_open_context *ctx;
}
}
- /* Deal with open(O_TRUNC) */
- if (sattr->ia_valid & ATTR_OPEN)
- sattr->ia_valid &= ~(ATTR_MTIME|ATTR_CTIME|ATTR_OPEN);
-
status = nfs4_do_setattr(inode, cred, fattr, sattr, state);
if (status == 0)
nfs_setattr_update_inode(inode, sattr);
status = rpc_call_sync(clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT);
if (status)
- pr_warn("NFS: Got error %d from the server %s on "
+ dprintk("NFS: Got error %d from the server %s on "
"DESTROY_CLIENTID.", status, clp->cl_hostname);
return status;
}
status = rpc_call_sync(session->clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT);
if (status)
- printk(KERN_WARNING
- "NFS: Got error %d from the server on DESTROY_SESSION. "
+ dprintk("NFS: Got error %d from the server on DESTROY_SESSION. "
"Session has been destroyed regardless...\n", status);
dprintk("<-- nfs4_proc_destroy_session\n");
return nfs4_wait_on_slot_tbl(&ses->fc_slot_table);
}
+static void nfs41_finish_session_reset(struct nfs_client *clp)
+{
+ clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state);
+ clear_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state);
+ /* create_session negotiated new slot table */
+ clear_bit(NFS4CLNT_RECALL_SLOT, &clp->cl_state);
+ clear_bit(NFS4CLNT_BIND_CONN_TO_SESSION, &clp->cl_state);
+ nfs41_setup_state_renewal(clp);
+}
+
int nfs41_init_clientid(struct nfs_client *clp, struct rpc_cred *cred)
{
int status;
status = nfs4_proc_create_session(clp, cred);
if (status != 0)
goto out;
- clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state);
- nfs41_setup_state_renewal(clp);
+ nfs41_finish_session_reset(clp);
nfs_mark_client_ready(clp, NFS_CS_READY);
out:
return status;
status = nfs4_handle_reclaim_lease_error(clp, status);
goto out;
}
- clear_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state);
- /* create_session negotiated new slot table */
- clear_bit(NFS4CLNT_RECALL_SLOT, &clp->cl_state);
- clear_bit(NFS4CLNT_BIND_CONN_TO_SESSION, &clp->cl_state);
+ nfs41_finish_session_reset(clp);
dprintk("%s: session reset was successful for server %s!\n",
__func__, clp->cl_hostname);
-
- /* Let the state manager reestablish state */
- if (!test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
- nfs41_setup_state_renewal(clp);
out:
if (cred)
put_rpccred(cred);
}
static void encode_getfattr_open(struct xdr_stream *xdr, const u32 *bitmask,
+ const u32 *open_bitmap,
struct compound_hdr *hdr)
{
encode_getattr_three(xdr,
- bitmask[0] & nfs4_fattr_bitmap[0],
- bitmask[1] & nfs4_fattr_bitmap[1],
- bitmask[2] & FATTR4_WORD2_MDSTHRESHOLD,
+ bitmask[0] & open_bitmap[0],
+ bitmask[1] & open_bitmap[1],
+ bitmask[2] & open_bitmap[2],
hdr);
}
encode_putfh(xdr, args->fh, &hdr);
encode_open(xdr, args, &hdr);
encode_getfh(xdr, &hdr);
- encode_getfattr_open(xdr, args->bitmask, &hdr);
+ encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr);
encode_nops(&hdr);
}
if (unlikely(bitmap[2] & (FATTR4_WORD2_MDSTHRESHOLD - 1U)))
return -EIO;
- if (likely(bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD)) {
+ if (bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD) {
+ /* Did the server return an unrequested attribute? */
+ if (unlikely(res == NULL))
+ return -EREMOTEIO;
p = xdr_inline_decode(xdr, 4);
if (unlikely(!p))
goto out_overflow;
__func__);
status = decode_first_threshold_item4(xdr, res);
+ bitmap[2] &= ~FATTR4_WORD2_MDSTHRESHOLD;
}
return status;
out_overflow:
pnfs_use_threshold(struct nfs4_threshold **dst, struct nfs4_threshold *src,
struct nfs_server *nfss)
{
- return (dst && src && src->bm != 0 &&
+ return (dst && src && src->bm != 0 && nfss->pnfs_curr_ld &&
nfss->pnfs_curr_ld->id == src->l_type);
}
/* Emulate the eof flag, which isn't normally needed in NFSv2
* as it is guaranteed to always return the file attributes
*/
- if (data->args.offset + data->args.count >= data->res.fattr->size)
+ if (data->args.offset + data->res.count >= data->res.fattr->size)
data->res.eof = 1;
}
return 0;
if (data == NULL)
goto out_no_data;
+ args->version = NFS_DEFAULT_VERSION;
switch (data->version) {
case 1:
data->namlen = 0;
if (data == NULL)
goto out_no_data;
+ args->version = 4;
+
switch (data->version) {
case 1:
if (data->host_addrlen > sizeof(args->nfs_server.address))
INIT_LIST_HEAD(&hdr->rpc_list);
spin_lock_init(&hdr->lock);
atomic_set(&hdr->refcnt, 0);
+ hdr->verf = &p->verf;
}
return p;
}
goto next;
}
if (test_bit(NFS_IOHDR_NEED_COMMIT, &hdr->flags)) {
+ memcpy(&req->wb_verf, hdr->verf, sizeof(req->wb_verf));
nfs_mark_request_commit(req, hdr->lseg, &cinfo);
goto next;
}
struct nfs_write_data *data = calldata;
struct nfs_pgio_header *hdr = data->header;
int status = data->task.tk_status;
- struct nfs_page *req = hdr->req;
if ((status >= 0) && nfs_write_need_commit(data)) {
spin_lock(&hdr->lock);
if (test_bit(NFS_IOHDR_NEED_RESCHED, &hdr->flags))
; /* Do nothing */
else if (!test_and_set_bit(NFS_IOHDR_NEED_COMMIT, &hdr->flags))
- memcpy(&req->wb_verf, &data->verf, sizeof(req->wb_verf));
- else if (memcmp(&req->wb_verf, &data->verf, sizeof(req->wb_verf)))
+ memcpy(hdr->verf, &data->verf, sizeof(*hdr->verf));
+ else if (memcmp(hdr->verf, &data->verf, sizeof(*hdr->verf)))
set_bit(NFS_IOHDR_NEED_RESCHED, &hdr->flags);
spin_unlock(&hdr->lock);
}
const struct qstr * name;
const struct nfs_server *server; /* Needed for ID mapping */
const u32 * bitmask;
+ const u32 * open_bitmap;
__u32 claim;
struct nfs4_sequence_args seq_args;
};
struct list_head rpc_list;
atomic_t refcnt;
struct nfs_page *req;
+ struct nfs_writeverf *verf;
struct pnfs_layout_segment *lseg;
loff_t io_start;
const struct rpc_call_ops *mds_ops;
struct nfs_write_header {
struct nfs_pgio_header header;
struct nfs_write_data rpc_data;
+ struct nfs_writeverf verf;
};
struct nfs_mds_commit_info {
msg->errno = err;
destroy_msg(msg);
} while (!list_empty(head));
- wake_up(waitq);
+
+ if (waitq)
+ wake_up(waitq);
}
static void
}
dentry = dget(pipe->dentry);
spin_unlock(&pipe->lock);
- if (dentry) {
- rpc_purge_list(&RPC_I(dentry->d_inode)->waitq,
- &free_list, destroy_msg, -ETIMEDOUT);
- dput(dentry);
- }
+ rpc_purge_list(dentry ? &RPC_I(dentry->d_inode)->waitq : NULL,
+ &free_list, destroy_msg, -ETIMEDOUT);
+ dput(dentry);
}
ssize_t rpc_pipe_generic_upcall(struct file *filp, struct rpc_pipe_msg *msg,
sizeof(req->rq_snd_buf));
return bc_send(req);
} else {
- /* Nothing to do to drop request */
+ /* drop request */
+ xprt_free_bc_request(req);
return 0;
}
}