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-rw-r--r--fs/nfs/nfs4proc.c586
1 files changed, 456 insertions, 130 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 9d992b0346e..dfd1e6d7e6c 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -41,6 +41,7 @@
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/gss_api.h>
#include <linux/nfs.h>
#include <linux/nfs4.h>
#include <linux/nfs_fs.h>
@@ -50,6 +51,7 @@
#include <linux/module.h>
#include <linux/sunrpc/bc_xprt.h>
#include <linux/xattr.h>
+#include <linux/utsname.h>
#include "nfs4_fs.h"
#include "delegation.h"
@@ -70,7 +72,9 @@ static int _nfs4_proc_open(struct nfs4_opendata *data);
static int _nfs4_recover_proc_open(struct nfs4_opendata *data);
static int nfs4_do_fsinfo(struct nfs_server *, struct nfs_fh *, struct nfs_fsinfo *);
static int nfs4_async_handle_error(struct rpc_task *, const struct nfs_server *, struct nfs4_state *);
-static int _nfs4_proc_lookup(struct inode *dir, const struct qstr *name, struct nfs_fh *fhandle, struct nfs_fattr *fattr);
+static int _nfs4_proc_lookup(struct rpc_clnt *client, struct inode *dir,
+ const struct qstr *name, struct nfs_fh *fhandle,
+ struct nfs_fattr *fattr);
static int _nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs_fattr *fattr);
static int nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
struct nfs_fattr *fattr, struct iattr *sattr,
@@ -84,6 +88,11 @@ static int nfs4_map_errors(int err)
switch (err) {
case -NFS4ERR_RESOURCE:
return -EREMOTEIO;
+ case -NFS4ERR_WRONGSEC:
+ return -EPERM;
+ case -NFS4ERR_BADOWNER:
+ case -NFS4ERR_BADNAME:
+ return -EINVAL;
default:
dprintk("%s could not handle NFSv4 error %d\n",
__func__, -err);
@@ -240,7 +249,7 @@ static int nfs4_delay(struct rpc_clnt *clnt, long *timeout)
/* This is the error handling routine for processes that are allowed
* to sleep.
*/
-static int nfs4_handle_exception(const struct nfs_server *server, int errorcode, struct nfs4_exception *exception)
+static int nfs4_handle_exception(struct nfs_server *server, int errorcode, struct nfs4_exception *exception)
{
struct nfs_client *clp = server->nfs_client;
struct nfs4_state *state = exception->state;
@@ -255,12 +264,13 @@ static int nfs4_handle_exception(const struct nfs_server *server, int errorcode,
case -NFS4ERR_OPENMODE:
if (state == NULL)
break;
- nfs4_state_mark_reclaim_nograce(clp, state);
- goto do_state_recovery;
+ nfs4_schedule_stateid_recovery(server, state);
+ goto wait_on_recovery;
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_EXPIRED:
- goto do_state_recovery;
+ nfs4_schedule_lease_recovery(clp);
+ goto wait_on_recovery;
#if defined(CONFIG_NFS_V4_1)
case -NFS4ERR_BADSESSION:
case -NFS4ERR_BADSLOT:
@@ -271,7 +281,7 @@ static int nfs4_handle_exception(const struct nfs_server *server, int errorcode,
case -NFS4ERR_SEQ_MISORDERED:
dprintk("%s ERROR: %d Reset session\n", __func__,
errorcode);
- nfs4_schedule_state_recovery(clp);
+ nfs4_schedule_session_recovery(clp->cl_session);
exception->retry = 1;
break;
#endif /* defined(CONFIG_NFS_V4_1) */
@@ -291,11 +301,23 @@ static int nfs4_handle_exception(const struct nfs_server *server, int errorcode,
break;
case -NFS4ERR_OLD_STATEID:
exception->retry = 1;
+ break;
+ case -NFS4ERR_BADOWNER:
+ /* The following works around a Linux server bug! */
+ case -NFS4ERR_BADNAME:
+ if (server->caps & NFS_CAP_UIDGID_NOMAP) {
+ server->caps &= ~NFS_CAP_UIDGID_NOMAP;
+ exception->retry = 1;
+ printk(KERN_WARNING "NFS: v4 server %s "
+ "does not accept raw "
+ "uid/gids. "
+ "Reenabling the idmapper.\n",
+ server->nfs_client->cl_hostname);
+ }
}
/* We failed to handle the error */
return nfs4_map_errors(ret);
-do_state_recovery:
- nfs4_schedule_state_recovery(clp);
+wait_on_recovery:
ret = nfs4_wait_clnt_recover(clp);
if (ret == 0)
exception->retry = 1;
@@ -434,8 +456,8 @@ static int nfs41_sequence_done(struct rpc_task *task, struct nfs4_sequence_res *
clp = res->sr_session->clp;
do_renew_lease(clp, timestamp);
/* Check sequence flags */
- if (atomic_read(&clp->cl_count) > 1)
- nfs41_handle_sequence_flag_errors(clp, res->sr_status_flags);
+ if (res->sr_status_flags != 0)
+ nfs4_schedule_lease_recovery(clp);
break;
case -NFS4ERR_DELAY:
/* The server detected a resend of the RPC call and
@@ -504,7 +526,7 @@ out:
return ret_id;
}
-static int nfs41_setup_sequence(struct nfs4_session *session,
+int nfs41_setup_sequence(struct nfs4_session *session,
struct nfs4_sequence_args *args,
struct nfs4_sequence_res *res,
int cache_reply,
@@ -570,6 +592,7 @@ static int nfs41_setup_sequence(struct nfs4_session *session,
res->sr_status = 1;
return 0;
}
+EXPORT_SYMBOL_GPL(nfs41_setup_sequence);
int nfs4_setup_sequence(const struct nfs_server *server,
struct nfs4_sequence_args *args,
@@ -639,7 +662,8 @@ struct rpc_call_ops nfs41_call_priv_sync_ops = {
.rpc_call_done = nfs41_call_sync_done,
};
-static int nfs4_call_sync_sequence(struct nfs_server *server,
+static int nfs4_call_sync_sequence(struct rpc_clnt *clnt,
+ struct nfs_server *server,
struct rpc_message *msg,
struct nfs4_sequence_args *args,
struct nfs4_sequence_res *res,
@@ -655,7 +679,7 @@ static int nfs4_call_sync_sequence(struct nfs_server *server,
.cache_reply = cache_reply,
};
struct rpc_task_setup task_setup = {
- .rpc_client = server->client,
+ .rpc_client = clnt,
.rpc_message = msg,
.callback_ops = &nfs41_call_sync_ops,
.callback_data = &data
@@ -674,13 +698,14 @@ static int nfs4_call_sync_sequence(struct nfs_server *server,
return ret;
}
-int _nfs4_call_sync_session(struct nfs_server *server,
+int _nfs4_call_sync_session(struct rpc_clnt *clnt,
+ struct nfs_server *server,
struct rpc_message *msg,
struct nfs4_sequence_args *args,
struct nfs4_sequence_res *res,
int cache_reply)
{
- return nfs4_call_sync_sequence(server, msg, args, res, cache_reply, 0);
+ return nfs4_call_sync_sequence(clnt, server, msg, args, res, cache_reply, 0);
}
#else
@@ -691,19 +716,28 @@ static int nfs4_sequence_done(struct rpc_task *task,
}
#endif /* CONFIG_NFS_V4_1 */
-int _nfs4_call_sync(struct nfs_server *server,
+int _nfs4_call_sync(struct rpc_clnt *clnt,
+ struct nfs_server *server,
struct rpc_message *msg,
struct nfs4_sequence_args *args,
struct nfs4_sequence_res *res,
int cache_reply)
{
args->sa_session = res->sr_session = NULL;
- return rpc_call_sync(server->client, msg, 0);
+ return rpc_call_sync(clnt, msg, 0);
}
-#define nfs4_call_sync(server, msg, args, res, cache_reply) \
- (server)->nfs_client->cl_mvops->call_sync((server), (msg), &(args)->seq_args, \
- &(res)->seq_res, (cache_reply))
+static inline
+int nfs4_call_sync(struct rpc_clnt *clnt,
+ struct nfs_server *server,
+ struct rpc_message *msg,
+ struct nfs4_sequence_args *args,
+ struct nfs4_sequence_res *res,
+ int cache_reply)
+{
+ return server->nfs_client->cl_mvops->call_sync(clnt, server, msg,
+ args, res, cache_reply);
+}
static void update_changeattr(struct inode *dir, struct nfs4_change_info *cinfo)
{
@@ -1254,14 +1288,13 @@ int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state
case -NFS4ERR_BAD_HIGH_SLOT:
case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION:
case -NFS4ERR_DEADSESSION:
- nfs4_schedule_state_recovery(
- server->nfs_client);
+ nfs4_schedule_session_recovery(server->nfs_client->cl_session);
goto out;
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_EXPIRED:
/* Don't recall a delegation if it was lost */
- nfs4_schedule_state_recovery(server->nfs_client);
+ nfs4_schedule_lease_recovery(server->nfs_client);
goto out;
case -ERESTARTSYS:
/*
@@ -1270,7 +1303,7 @@ int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state
*/
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_BAD_STATEID:
- nfs4_state_mark_reclaim_nograce(server->nfs_client, state);
+ nfs4_schedule_stateid_recovery(server, state);
case -EKEYEXPIRED:
/*
* User RPCSEC_GSS context has expired.
@@ -1573,9 +1606,8 @@ static int _nfs4_proc_open(struct nfs4_opendata *data)
return 0;
}
-static int nfs4_recover_expired_lease(struct nfs_server *server)
+static int nfs4_client_recover_expired_lease(struct nfs_client *clp)
{
- struct nfs_client *clp = server->nfs_client;
unsigned int loop;
int ret;
@@ -1586,12 +1618,17 @@ static int nfs4_recover_expired_lease(struct nfs_server *server)
if (!test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) &&
!test_bit(NFS4CLNT_CHECK_LEASE,&clp->cl_state))
break;
- nfs4_schedule_state_recovery(clp);
+ nfs4_schedule_state_manager(clp);
ret = -EIO;
}
return ret;
}
+static int nfs4_recover_expired_lease(struct nfs_server *server)
+{
+ return nfs4_client_recover_expired_lease(server->nfs_client);
+}
+
/*
* OPEN_EXPIRED:
* reclaim state on the server after a network partition.
@@ -1810,7 +1847,7 @@ static int _nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
} else
memcpy(&arg.stateid, &zero_stateid, sizeof(arg.stateid));
- status = nfs4_call_sync(server, &msg, &arg, &res, 1);
+ status = nfs4_call_sync(server->client, server, &msg, &arg.seq_args, &res.seq_res, 1);
if (status == 0 && state != NULL)
renew_lease(server, timestamp);
return status;
@@ -2069,7 +2106,7 @@ static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *f
};
int status;
- status = nfs4_call_sync(server, &msg, &args, &res, 0);
+ status = nfs4_call_sync(server->client, server, &msg, &args.seq_args, &res.seq_res, 0);
if (status == 0) {
memcpy(server->attr_bitmask, res.attr_bitmask, sizeof(server->attr_bitmask));
server->caps &= ~(NFS_CAP_ACLS|NFS_CAP_HARDLINKS|
@@ -2139,7 +2176,7 @@ static int _nfs4_lookup_root(struct nfs_server *server, struct nfs_fh *fhandle,
};
nfs_fattr_init(info->fattr);
- return nfs4_call_sync(server, &msg, &args, &res, 0);
+ return nfs4_call_sync(server->client, server, &msg, &args.seq_args, &res.seq_res, 0);
}
static int nfs4_lookup_root(struct nfs_server *server, struct nfs_fh *fhandle,
@@ -2155,15 +2192,43 @@ static int nfs4_lookup_root(struct nfs_server *server, struct nfs_fh *fhandle,
return err;
}
+static int nfs4_lookup_root_sec(struct nfs_server *server, struct nfs_fh *fhandle,
+ struct nfs_fsinfo *info, rpc_authflavor_t flavor)
+{
+ struct rpc_auth *auth;
+ int ret;
+
+ auth = rpcauth_create(flavor, server->client);
+ if (!auth) {
+ ret = -EIO;
+ goto out;
+ }
+ ret = nfs4_lookup_root(server, fhandle, info);
+ if (ret < 0)
+ ret = -EAGAIN;
+out:
+ return ret;
+}
+
/*
* get the file handle for the "/" directory on the server
*/
static int nfs4_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
struct nfs_fsinfo *info)
{
- int status;
+ int i, len, status = 0;
+ rpc_authflavor_t flav_array[NFS_MAX_SECFLAVORS + 2];
- status = nfs4_lookup_root(server, fhandle, info);
+ flav_array[0] = RPC_AUTH_UNIX;
+ len = gss_mech_list_pseudoflavors(&flav_array[1]);
+ flav_array[1+len] = RPC_AUTH_NULL;
+ len += 2;
+
+ for (i = 0; i < len; i++) {
+ status = nfs4_lookup_root_sec(server, fhandle, info, flav_array[i]);
+ if (status == 0)
+ break;
+ }
if (status == 0)
status = nfs4_server_capabilities(server, fhandle);
if (status == 0)
@@ -2228,7 +2293,7 @@ static int _nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
};
nfs_fattr_init(fattr);
- return nfs4_call_sync(server, &msg, &args, &res, 0);
+ return nfs4_call_sync(server->client, server, &msg, &args.seq_args, &res.seq_res, 0);
}
static int nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs_fattr *fattr)
@@ -2288,9 +2353,9 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
return status;
}
-static int _nfs4_proc_lookupfh(struct nfs_server *server, const struct nfs_fh *dirfh,
- const struct qstr *name, struct nfs_fh *fhandle,
- struct nfs_fattr *fattr)
+static int _nfs4_proc_lookupfh(struct rpc_clnt *clnt, struct nfs_server *server,
+ const struct nfs_fh *dirfh, const struct qstr *name,
+ struct nfs_fh *fhandle, struct nfs_fattr *fattr)
{
int status;
struct nfs4_lookup_arg args = {
@@ -2312,7 +2377,7 @@ static int _nfs4_proc_lookupfh(struct nfs_server *server, const struct nfs_fh *d
nfs_fattr_init(fattr);
dprintk("NFS call lookupfh %s\n", name->name);
- status = nfs4_call_sync(server, &msg, &args, &res, 0);
+ status = nfs4_call_sync(clnt, server, &msg, &args.seq_args, &res.seq_res, 0);
dprintk("NFS reply lookupfh: %d\n", status);
return status;
}
@@ -2324,7 +2389,7 @@ static int nfs4_proc_lookupfh(struct nfs_server *server, struct nfs_fh *dirfh,
struct nfs4_exception exception = { };
int err;
do {
- err = _nfs4_proc_lookupfh(server, dirfh, name, fhandle, fattr);
+ err = _nfs4_proc_lookupfh(server->client, server, dirfh, name, fhandle, fattr);
/* FIXME: !!!! */
if (err == -NFS4ERR_MOVED) {
err = -EREMOTE;
@@ -2335,27 +2400,41 @@ static int nfs4_proc_lookupfh(struct nfs_server *server, struct nfs_fh *dirfh,
return err;
}
-static int _nfs4_proc_lookup(struct inode *dir, const struct qstr *name,
- struct nfs_fh *fhandle, struct nfs_fattr *fattr)
+static int _nfs4_proc_lookup(struct rpc_clnt *clnt, struct inode *dir,
+ const struct qstr *name, struct nfs_fh *fhandle,
+ struct nfs_fattr *fattr)
{
int status;
dprintk("NFS call lookup %s\n", name->name);
- status = _nfs4_proc_lookupfh(NFS_SERVER(dir), NFS_FH(dir), name, fhandle, fattr);
+ status = _nfs4_proc_lookupfh(clnt, NFS_SERVER(dir), NFS_FH(dir), name, fhandle, fattr);
if (status == -NFS4ERR_MOVED)
status = nfs4_get_referral(dir, name, fattr, fhandle);
dprintk("NFS reply lookup: %d\n", status);
return status;
}
-static int nfs4_proc_lookup(struct inode *dir, struct qstr *name, struct nfs_fh *fhandle, struct nfs_fattr *fattr)
+void nfs_fixup_secinfo_attributes(struct nfs_fattr *fattr, struct nfs_fh *fh)
+{
+ memset(fh, 0, sizeof(struct nfs_fh));
+ fattr->fsid.major = 1;
+ fattr->valid |= NFS_ATTR_FATTR_TYPE | NFS_ATTR_FATTR_MODE |
+ NFS_ATTR_FATTR_NLINK | NFS_ATTR_FATTR_FSID | NFS_ATTR_FATTR_MOUNTPOINT;
+ fattr->mode = S_IFDIR | S_IRUGO | S_IXUGO;
+ fattr->nlink = 2;
+}
+
+static int nfs4_proc_lookup(struct rpc_clnt *clnt, struct inode *dir, struct qstr *name,
+ struct nfs_fh *fhandle, struct nfs_fattr *fattr)
{
struct nfs4_exception exception = { };
int err;
do {
err = nfs4_handle_exception(NFS_SERVER(dir),
- _nfs4_proc_lookup(dir, name, fhandle, fattr),
+ _nfs4_proc_lookup(clnt, dir, name, fhandle, fattr),
&exception);
+ if (err == -EPERM)
+ nfs_fixup_secinfo_attributes(fattr, fhandle);
} while (exception.retry);
return err;
}
@@ -2400,7 +2479,7 @@ static int _nfs4_proc_access(struct inode *inode, struct nfs_access_entry *entry
if (res.fattr == NULL)
return -ENOMEM;
- status = nfs4_call_sync(server, &msg, &args, &res, 0);
+ status = nfs4_call_sync(server->client, server, &msg, &args.seq_args, &res.seq_res, 0);
if (!status) {
entry->mask = 0;
if (res.access & NFS4_ACCESS_READ)
@@ -2467,7 +2546,7 @@ static int _nfs4_proc_readlink(struct inode *inode, struct page *page,
.rpc_resp = &res,
};
- return nfs4_call_sync(NFS_SERVER(inode), &msg, &args, &res, 0);
+ return nfs4_call_sync(NFS_SERVER(inode)->client, NFS_SERVER(inode), &msg, &args.seq_args, &res.seq_res, 0);
}
static int nfs4_proc_readlink(struct inode *inode, struct page *page,
@@ -2556,7 +2635,7 @@ static int _nfs4_proc_remove(struct inode *dir, struct qstr *name)
if (res.dir_attr == NULL)
goto out;
- status = nfs4_call_sync(server, &msg, &args, &res, 1);
+ status = nfs4_call_sync(server->client, server, &msg, &args.seq_args, &res.seq_res, 1);
if (status == 0) {
update_changeattr(dir, &res.cinfo);
nfs_post_op_update_inode(dir, res.dir_attr);
@@ -2657,7 +2736,7 @@ static int _nfs4_proc_rename(struct inode *old_dir, struct qstr *old_name,
if (res.old_fattr == NULL || res.new_fattr == NULL)
goto out;
- status = nfs4_call_sync(server, &msg, &arg, &res, 1);
+ status = nfs4_call_sync(server->client, server, &msg, &arg.seq_args, &res.seq_res, 1);
if (!status) {
update_changeattr(old_dir, &res.old_cinfo);
nfs_post_op_update_inode(old_dir, res.old_fattr);
@@ -2708,7 +2787,7 @@ static int _nfs4_proc_link(struct inode *inode, struct inode *dir, struct qstr *
if (res.fattr == NULL || res.dir_attr == NULL)
goto out;
- status = nfs4_call_sync(server, &msg, &arg, &res, 1);
+ status = nfs4_call_sync(server->client, server, &msg, &arg.seq_args, &res.seq_res, 1);
if (!status) {
update_changeattr(dir, &res.cinfo);
nfs_post_op_update_inode(dir, res.dir_attr);
@@ -2771,8 +2850,8 @@ static struct nfs4_createdata *nfs4_alloc_createdata(struct inode *dir,
static int nfs4_do_create(struct inode *dir, struct dentry *dentry, struct nfs4_createdata *data)
{
- int status = nfs4_call_sync(NFS_SERVER(dir), &data->msg,
- &data->arg, &data->res, 1);
+ int status = nfs4_call_sync(NFS_SERVER(dir)->client, NFS_SERVER(dir), &data->msg,
+ &data->arg.seq_args, &data->res.seq_res, 1);
if (status == 0) {
update_changeattr(dir, &data->res.dir_cinfo);
nfs_post_op_update_inode(dir, data->res.dir_fattr);
@@ -2884,7 +2963,7 @@ static int _nfs4_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
(unsigned long long)cookie);
nfs4_setup_readdir(cookie, NFS_COOKIEVERF(dir), dentry, &args);
res.pgbase = args.pgbase;
- status = nfs4_call_sync(NFS_SERVER(dir), &msg, &args, &res, 0);
+ status = nfs4_call_sync(NFS_SERVER(dir)->client, NFS_SERVER(dir), &msg, &args.seq_args, &res.seq_res, 0);
if (status >= 0) {
memcpy(NFS_COOKIEVERF(dir), res.verifier.data, NFS4_VERIFIER_SIZE);
status += args.pgbase;
@@ -2976,7 +3055,7 @@ static int _nfs4_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle,
};
nfs_fattr_init(fsstat->fattr);
- return nfs4_call_sync(server, &msg, &args, &res, 0);
+ return nfs4_call_sync(server->client, server, &msg, &args.seq_args, &res.seq_res, 0);
}
static int nfs4_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs_fsstat *fsstat)
@@ -3007,7 +3086,7 @@ static int _nfs4_do_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle,
.rpc_resp = &res,
};
- return nfs4_call_sync(server, &msg, &args, &res, 0);
+ return nfs4_call_sync(server->client, server, &msg, &args.seq_args, &res.seq_res, 0);
}
static int nfs4_do_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, struct nfs_fsinfo *fsinfo)
@@ -3052,7 +3131,7 @@ static int _nfs4_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle
}
nfs_fattr_init(pathconf->fattr);
- return nfs4_call_sync(server, &msg, &args, &res, 0);
+ return nfs4_call_sync(server->client, server, &msg, &args.seq_args, &res.seq_res, 0);
}
static int nfs4_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
@@ -3069,15 +3148,10 @@ static int nfs4_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
return err;
}
-static int nfs4_read_done(struct rpc_task *task, struct nfs_read_data *data)
+static int nfs4_read_done_cb(struct rpc_task *task, struct nfs_read_data *data)
{
struct nfs_server *server = NFS_SERVER(data->inode);
- dprintk("--> %s\n", __func__);
-
- if (!nfs4_sequence_done(task, &data->res.seq_res))
- return -EAGAIN;
-
if (nfs4_async_handle_error(task, server, data->args.context->state) == -EAGAIN) {
nfs_restart_rpc(task, server->nfs_client);
return -EAGAIN;
@@ -3089,19 +3163,44 @@ static int nfs4_read_done(struct rpc_task *task, struct nfs_read_data *data)
return 0;
}
+static int nfs4_read_done(struct rpc_task *task, struct nfs_read_data *data)
+{
+
+ dprintk("--> %s\n", __func__);
+
+ if (!nfs4_sequence_done(task, &data->res.seq_res))
+ return -EAGAIN;
+
+ return data->read_done_cb(task, data);
+}
+
static void nfs4_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg)
{
data->timestamp = jiffies;
+ data->read_done_cb = nfs4_read_done_cb;
msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_READ];
}
-static int nfs4_write_done(struct rpc_task *task, struct nfs_write_data *data)
+/* Reset the the nfs_read_data to send the read to the MDS. */
+void nfs4_reset_read(struct rpc_task *task, struct nfs_read_data *data)
+{
+ dprintk("%s Reset task for i/o through\n", __func__);
+ put_lseg(data->lseg);
+ data->lseg = NULL;
+ /* offsets will differ in the dense stripe case */
+ data->args.offset = data->mds_offset;
+ data->ds_clp = NULL;
+ data->args.fh = NFS_FH(data->inode);
+ data->read_done_cb = nfs4_read_done_cb;
+ task->tk_ops = data->mds_ops;
+ rpc_task_reset_client(task, NFS_CLIENT(data->inode));
+}
+EXPORT_SYMBOL_GPL(nfs4_reset_read);
+
+static int nfs4_write_done_cb(struct rpc_task *task, struct nfs_write_data *data)
{
struct inode *inode = data->inode;
- if (!nfs4_sequence_done(task, &data->res.seq_res))
- return -EAGAIN;
-
if (nfs4_async_handle_error(task, NFS_SERVER(inode), data->args.context->state) == -EAGAIN) {
nfs_restart_rpc(task, NFS_SERVER(inode)->nfs_client);
return -EAGAIN;
@@ -3113,23 +3212,50 @@ static int nfs4_write_done(struct rpc_task *task, struct nfs_write_data *data)
return 0;
}
+static int nfs4_write_done(struct rpc_task *task, struct nfs_write_data *data)
+{
+ if (!nfs4_sequence_done(task, &data->res.seq_res))
+ return -EAGAIN;
+ return data->write_done_cb(task, data);
+}
+
+/* Reset the the nfs_write_data to send the write to the MDS. */
+void nfs4_reset_write(struct rpc_task *task, struct nfs_write_data *data)
+{
+ dprintk("%s Reset task for i/o through\n", __func__);
+ put_lseg(data->lseg);
+ data->lseg = NULL;
+ data->ds_clp = NULL;
+ data->write_done_cb = nfs4_write_done_cb;
+ data->args.fh = NFS_FH(data->inode);
+ data->args.bitmask = data->res.server->cache_consistency_bitmask;
+ data->args.offset = data->mds_offset;
+ data->res.fattr = &data->fattr;
+ task->tk_ops = data->mds_ops;
+ rpc_task_reset_client(task, NFS_CLIENT(data->inode));
+}
+EXPORT_SYMBOL_GPL(nfs4_reset_write);
+
static void nfs4_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg)
{
struct nfs_server *server = NFS_SERVER(data->inode);
- data->args.bitmask = server->cache_consistency_bitmask;
+ if (data->lseg) {
+ data->args.bitmask = NULL;
+ data->res.fattr = NULL;
+ } else
+ data->args.bitmask = server->cache_consistency_bitmask;
+ if (!data->write_done_cb)
+ data->write_done_cb = nfs4_write_done_cb;
data->res.server = server;
data->timestamp = jiffies;
msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_WRITE];
}
-static int nfs4_commit_done(struct rpc_task *task, struct nfs_write_data *data)
+static int nfs4_commit_done_cb(struct rpc_task *task, struct nfs_write_data *data)
{
struct inode *inode = data->inode;
-
- if (!nfs4_sequence_done(task, &data->res.seq_res))
- return -EAGAIN;
if (nfs4_async_handle_error(task, NFS_SERVER(inode), NULL) == -EAGAIN) {
nfs_restart_rpc(task, NFS_SERVER(inode)->nfs_client);
@@ -3139,11 +3265,24 @@ static int nfs4_commit_done(struct rpc_task *task, struct nfs_write_data *data)
return 0;
}
+static int nfs4_commit_done(struct rpc_task *task, struct nfs_write_data *data)
+{
+ if (!nfs4_sequence_done(task, &data->res.seq_res))
+ return -EAGAIN;
+ return data->write_done_cb(task, data);
+}
+
static void nfs4_proc_commit_setup(struct nfs_write_data *data, struct rpc_message *msg)
{
struct nfs_server *server = NFS_SERVER(data->inode);
-
- data->args.bitmask = server->cache_consistency_bitmask;
+
+ if (data->lseg) {
+ data->args.bitmask = NULL;
+ data->res.fattr = NULL;
+ } else
+ data->args.bitmask = server->cache_consistency_bitmask;
+ if (!data->write_done_cb)
+ data->write_done_cb = nfs4_commit_done_cb;
data->res.server = server;
msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_COMMIT];
}
@@ -3177,7 +3316,7 @@ static void nfs4_renew_done(struct rpc_task *task, void *calldata)
if (task->tk_status < 0) {
/* Unless we're shutting down, schedule state recovery! */
if (test_bit(NFS_CS_RENEWD, &clp->cl_res_state) != 0)
- nfs4_schedule_state_recovery(clp);
+ nfs4_schedule_lease_recovery(clp);
return;
}
do_renew_lease(clp, timestamp);
@@ -3251,6 +3390,35 @@ static void buf_to_pages(const void *buf, size_t buflen,
}
}
+static int buf_to_pages_noslab(const void *buf, size_t buflen,
+ struct page **pages, unsigned int *pgbase)
+{
+ struct page *newpage, **spages;
+ int rc = 0;
+ size_t len;
+ spages = pages;
+
+ do {
+ len = min_t(size_t, PAGE_CACHE_SIZE, buflen);
+ newpage = alloc_page(GFP_KERNEL);
+
+ if (newpage == NULL)
+ goto unwind;
+ memcpy(page_address(newpage), buf, len);
+ buf += len;
+ buflen -= len;
+ *pages++ = newpage;
+ rc++;
+ } while (buflen != 0);
+
+ return rc;
+
+unwind:
+ for(; rc > 0; rc--)
+ __free_page(spages[rc-1]);
+ return -ENOMEM;
+}
+
struct nfs4_cached_acl {
int cached;
size_t len;
@@ -3352,7 +3520,7 @@ static ssize_t __nfs4_get_acl_uncached(struct inode *inode, void *buf, size_t bu
resp_buf = buf;
buf_to_pages(buf, buflen, args.acl_pages, &args.acl_pgbase);
}
- ret = nfs4_call_sync(NFS_SERVER(inode), &msg, &args, &res, 0);
+ ret = nfs4_call_sync(NFS_SERVER(inode)->client, NFS_SERVER(inode), &msg, &args.seq_args, &res.seq_res, 0);
if (ret)
goto out_free;
if (res.acl_len > args.acl_len)
@@ -3419,13 +3587,23 @@ static int __nfs4_proc_set_acl(struct inode *inode, const void *buf, size_t bufl
.rpc_argp = &arg,
.rpc_resp = &res,
};
- int ret;
+ int ret, i;
if (!nfs4_server_supports_acls(server))
return -EOPNOTSUPP;
+ i = buf_to_pages_noslab(buf, buflen, arg.acl_pages, &arg.acl_pgbase);
+ if (i < 0)
+ return i;
nfs_inode_return_delegation(inode);
- buf_to_pages(buf, buflen, arg.acl_pages, &arg.acl_pgbase);
- ret = nfs4_call_sync(server, &msg, &arg, &res, 1);
+ ret = nfs4_call_sync(server->client, server, &msg, &arg.seq_args, &res.seq_res, 1);
+
+ /*
+ * Free each page after tx, so the only ref left is
+ * held by the network stack
+ */
+ for (; i > 0; i--)
+ put_page(pages[i-1]);
+
/*
* Acl update can result in inode attribute update.
* so mark the attribute cache invalid.
@@ -3463,12 +3641,13 @@ nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server,
case -NFS4ERR_OPENMODE:
if (state == NULL)
break;
- nfs4_state_mark_reclaim_nograce(clp, state);
- goto do_state_recovery;
+ nfs4_schedule_stateid_recovery(server, state);
+ goto wait_on_recovery;
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_EXPIRED:
- goto do_state_recovery;
+ nfs4_schedule_lease_recovery(clp);
+ goto wait_on_recovery;
#if defined(CONFIG_NFS_V4_1)
case -NFS4ERR_BADSESSION:
case -NFS4ERR_BADSLOT:
@@ -3479,7 +3658,7 @@ nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server,
case -NFS4ERR_SEQ_MISORDERED:
dprintk("%s ERROR %d, Reset session\n", __func__,
task->tk_status);
- nfs4_schedule_state_recovery(clp);
+ nfs4_schedule_session_recovery(clp->cl_session);
task->tk_status = 0;
return -EAGAIN;
#endif /* CONFIG_NFS_V4_1 */
@@ -3496,9 +3675,8 @@ nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server,
}
task->tk_status = nfs4_map_errors(task->tk_status);
return 0;
-do_state_recovery:
+wait_on_recovery:
rpc_sleep_on(&clp->cl_rpcwaitq, task, NULL);
- nfs4_schedule_state_recovery(clp);
if (test_bit(NFS4CLNT_MANAGER_RUNNING, &clp->cl_state) == 0)
rpc_wake_up_queued_task(&clp->cl_rpcwaitq, task);
task->tk_status = 0;
@@ -3780,7 +3958,7 @@ static int _nfs4_proc_getlk(struct nfs4_state *state, int cmd, struct file_lock
lsp = request->fl_u.nfs4_fl.owner;
arg.lock_owner.id = lsp->ls_id.id;
arg.lock_owner.s_dev = server->s_dev;
- status = nfs4_call_sync(server, &msg, &arg, &res, 1);
+ status = nfs4_call_sync(server->client, server, &msg, &arg.seq_args, &res.seq_res, 1);
switch (status) {
case 0:
request->fl_type = F_UNLCK;
@@ -4109,7 +4287,7 @@ static void nfs4_lock_release(void *calldata)
task = nfs4_do_unlck(&data->fl, data->ctx, data->lsp,
data->arg.lock_seqid);
if (!IS_ERR(task))
- rpc_put_task(task);
+ rpc_put_task_async(task);
dprintk("%s: cancelling lock!\n", __func__);
} else
nfs_free_seqid(data->arg.lock_seqid);
@@ -4133,23 +4311,18 @@ static const struct rpc_call_ops nfs4_recover_lock_ops = {
static void nfs4_handle_setlk_error(struct nfs_server *server, struct nfs4_lock_state *lsp, int new_lock_owner, int error)
{
- struct nfs_client *clp = server->nfs_client;
- struct nfs4_state *state = lsp->ls_state;
-
switch (error) {
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_BAD_STATEID:
- case -NFS4ERR_EXPIRED:
+ lsp->ls_seqid.flags &= ~NFS_SEQID_CONFIRMED;
if (new_lock_owner != 0 ||
(lsp->ls_flags & NFS_LOCK_INITIALIZED) != 0)
- nfs4_state_mark_reclaim_nograce(clp, state);
- lsp->ls_seqid.flags &= ~NFS_SEQID_CONFIRMED;
+ nfs4_schedule_stateid_recovery(server, lsp->ls_state);
break;
case -NFS4ERR_STALE_STATEID:
- if (new_lock_owner != 0 ||
- (lsp->ls_flags & NFS_LOCK_INITIALIZED) != 0)
- nfs4_state_mark_reclaim_reboot(clp, state);
lsp->ls_seqid.flags &= ~NFS_SEQID_CONFIRMED;
+ case -NFS4ERR_EXPIRED:
+ nfs4_schedule_lease_recovery(server->nfs_client);
};
}
@@ -4365,12 +4538,14 @@ int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl)
case -NFS4ERR_EXPIRED:
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_STALE_STATEID:
+ nfs4_schedule_lease_recovery(server->nfs_client);
+ goto out;
case -NFS4ERR_BADSESSION:
case -NFS4ERR_BADSLOT:
case -NFS4ERR_BAD_HIGH_SLOT:
case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION:
case -NFS4ERR_DEADSESSION:
- nfs4_schedule_state_recovery(server->nfs_client);
+ nfs4_schedule_session_recovery(server->nfs_client->cl_session);
goto out;
case -ERESTARTSYS:
/*
@@ -4380,7 +4555,7 @@ int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl)
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_BAD_STATEID:
case -NFS4ERR_OPENMODE:
- nfs4_state_mark_reclaim_nograce(server->nfs_client, state);
+ nfs4_schedule_stateid_recovery(server, state);
err = 0;
goto out;
case -EKEYEXPIRED:
@@ -4511,12 +4686,46 @@ int nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name,
nfs_fattr_init(&fs_locations->fattr);
fs_locations->server = server;
fs_locations->nlocations = 0;
- status = nfs4_call_sync(server, &msg, &args, &res, 0);
+ status = nfs4_call_sync(server->client, server, &msg, &args.seq_args, &res.seq_res, 0);
nfs_fixup_referral_attributes(&fs_locations->fattr);
dprintk("%s: returned status = %d\n", __func__, status);
return status;
}
+static int _nfs4_proc_secinfo(struct inode *dir, const struct qstr *name, struct nfs4_secinfo_flavors *flavors)
+{
+ int status;
+ struct nfs4_secinfo_arg args = {
+ .dir_fh = NFS_FH(dir),
+ .name = name,
+ };
+ struct nfs4_secinfo_res res = {
+ .flavors = flavors,
+ };
+ struct rpc_message msg = {
+ .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_SECINFO],
+ .rpc_argp = &args,
+ .rpc_resp = &res,
+ };
+
+ dprintk("NFS call secinfo %s\n", name->name);
+ status = nfs4_call_sync(NFS_SERVER(dir)->client, NFS_SERVER(dir), &msg, &args.seq_args, &res.seq_res, 0);
+ dprintk("NFS reply secinfo: %d\n", status);
+ return status;
+}
+
+int nfs4_proc_secinfo(struct inode *dir, const struct qstr *name, struct nfs4_secinfo_flavors *flavors)
+{
+ struct nfs4_exception exception = { };
+ int err;
+ do {
+ err = nfs4_handle_exception(NFS_SERVER(dir),
+ _nfs4_proc_secinfo(dir, name, flavors),
+ &exception);
+ } while (exception.retry);
+ return err;
+}
+
#ifdef CONFIG_NFS_V4_1
/*
* Check the exchange flags returned by the server for invalid flags, having
@@ -4572,27 +4781,16 @@ int nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred)
*p = htonl((u32)clp->cl_boot_time.tv_nsec);
args.verifier = &verifier;
- while (1) {
- args.id_len = scnprintf(args.id, sizeof(args.id),
- "%s/%s %u",
- clp->cl_ipaddr,
- rpc_peeraddr2str(clp->cl_rpcclient,
- RPC_DISPLAY_ADDR),
- clp->cl_id_uniquifier);
-
- status = rpc_call_sync(clp->cl_rpcclient, &msg, 0);
-
- if (status != -NFS4ERR_CLID_INUSE)
- break;
-
- if (signalled())
- break;
-
- if (++clp->cl_id_uniquifier == 0)
- break;
- }
+ args.id_len = scnprintf(args.id, sizeof(args.id),
+ "%s/%s.%s/%u",
+ clp->cl_ipaddr,
+ init_utsname()->nodename,
+ init_utsname()->domainname,
+ clp->cl_rpcclient->cl_auth->au_flavor);
- status = nfs4_check_cl_exchange_flags(clp->cl_exchange_flags);
+ status = rpc_call_sync(clp->cl_rpcclient, &msg, 0);
+ if (!status)
+ status = nfs4_check_cl_exchange_flags(clp->cl_exchange_flags);
dprintk("<-- %s status= %d\n", __func__, status);
return status;
}
@@ -4998,10 +5196,20 @@ int nfs4_proc_create_session(struct nfs_client *clp)
int status;
unsigned *ptr;
struct nfs4_session *session = clp->cl_session;
+ long timeout = 0;
+ int err;
dprintk("--> %s clp=%p session=%p\n", __func__, clp, session);
- status = _nfs4_proc_create_session(clp);
+ do {
+ status = _nfs4_proc_create_session(clp);
+ if (status == -NFS4ERR_DELAY) {
+ err = nfs4_delay(clp->cl_rpcclient, &timeout);
+ if (err)
+ status = err;
+ }
+ } while (status == -NFS4ERR_DELAY);
+
if (status)
goto out;
@@ -5083,6 +5291,27 @@ int nfs4_init_session(struct nfs_server *server)
return ret;
}
+int nfs4_init_ds_session(struct nfs_client *clp)
+{
+ struct nfs4_session *session = clp->cl_session;
+ int ret;
+
+ if (!test_and_clear_bit(NFS4_SESSION_INITING, &session->session_state))
+ return 0;
+
+ ret = nfs4_client_recover_expired_lease(clp);
+ if (!ret)
+ /* Test for the DS role */
+ if (!is_ds_client(clp))
+ ret = -ENODEV;
+ if (!ret)
+ ret = nfs4_check_client_ready(clp);
+ return ret;
+
+}
+EXPORT_SYMBOL_GPL(nfs4_init_ds_session);
+
+
/*
* Renew the cl_session lease.
*/
@@ -5110,7 +5339,7 @@ static int nfs41_sequence_handle_errors(struct rpc_task *task, struct nfs_client
rpc_delay(task, NFS4_POLL_RETRY_MAX);
return -EAGAIN;
default:
- nfs4_schedule_state_recovery(clp);
+ nfs4_schedule_lease_recovery(clp);
}
return 0;
}
@@ -5197,7 +5426,7 @@ static int nfs41_proc_async_sequence(struct nfs_client *clp, struct rpc_cred *cr
if (IS_ERR(task))
ret = PTR_ERR(task);
else
- rpc_put_task(task);
+ rpc_put_task_async(task);
dprintk("<-- %s status=%d\n", __func__, ret);
return ret;
}
@@ -5213,8 +5442,13 @@ static int nfs4_proc_sequence(struct nfs_client *clp, struct rpc_cred *cred)
goto out;
}
ret = rpc_wait_for_completion_task(task);
- if (!ret)
+ if (!ret) {
+ struct nfs4_sequence_res *res = task->tk_msg.rpc_resp;
+
+ if (task->tk_status == 0)
+ nfs41_handle_sequence_flag_errors(clp, res->sr_status_flags);
ret = task->tk_status;
+ }
rpc_put_task(task);
out:
dprintk("<-- %s status=%d\n", __func__, ret);
@@ -5251,7 +5485,7 @@ static int nfs41_reclaim_complete_handle_errors(struct rpc_task *task, struct nf
rpc_delay(task, NFS4_POLL_RETRY_MAX);
return -EAGAIN;
default:
- nfs4_schedule_state_recovery(clp);
+ nfs4_schedule_lease_recovery(clp);
}
return 0;
}
@@ -5319,6 +5553,9 @@ static int nfs41_proc_reclaim_complete(struct nfs_client *clp)
status = PTR_ERR(task);
goto out;
}
+ status = nfs4_wait_for_completion_rpc_task(task);
+ if (status == 0)
+ status = task->tk_status;
rpc_put_task(task);
return 0;
out:
@@ -5381,8 +5618,6 @@ static void nfs4_layoutget_release(void *calldata)
struct nfs4_layoutget *lgp = calldata;
dprintk("--> %s\n", __func__);
- if (lgp->res.layout.buf != NULL)
- free_page((unsigned long) lgp->res.layout.buf);
put_nfs_open_context(lgp->args.ctx);
kfree(calldata);
dprintk("<-- %s\n", __func__);
@@ -5414,12 +5649,7 @@ int nfs4_proc_layoutget(struct nfs4_layoutget *lgp)
dprintk("--> %s\n", __func__);
- lgp->res.layout.buf = (void *)__get_free_page(GFP_NOFS);
- if (lgp->res.layout.buf == NULL) {
- nfs4_layoutget_release(lgp);
- return -ENOMEM;
- }
-
+ lgp->res.layoutp = &lgp->args.layout;
lgp->res.seq_res.sr_slot = NULL;
task = rpc_run_task(&task_setup_data);
if (IS_ERR(task))
@@ -5451,7 +5681,7 @@ _nfs4_proc_getdeviceinfo(struct nfs_server *server, struct pnfs_device *pdev)
int status;
dprintk("--> %s\n", __func__);
- status = nfs4_call_sync(server, &msg, &args, &res, 0);
+ status = nfs4_call_sync(server->client, server, &msg, &args.seq_args, &res.seq_res, 0);
dprintk("<-- %s status=%d\n", __func__, status);
return status;
@@ -5471,6 +5701,100 @@ int nfs4_proc_getdeviceinfo(struct nfs_server *server, struct pnfs_device *pdev)
}
EXPORT_SYMBOL_GPL(nfs4_proc_getdeviceinfo);
+static void nfs4_layoutcommit_prepare(struct rpc_task *task, void *calldata)
+{
+ struct nfs4_layoutcommit_data *data = calldata;
+ struct nfs_server *server = NFS_SERVER(data->args.inode);
+
+ if (nfs4_setup_sequence(server, &data->args.seq_args,
+ &data->res.seq_res, 1, task))
+ return;
+ rpc_call_start(task);
+}
+
+static void
+nfs4_layoutcommit_done(struct rpc_task *task, void *calldata)
+{
+ struct nfs4_layoutcommit_data *data = calldata;
+ struct nfs_server *server = NFS_SERVER(data->args.inode);
+
+ if (!nfs4_sequence_done(task, &data->res.seq_res))
+ return;
+
+ switch (task->tk_status) { /* Just ignore these failures */
+ case NFS4ERR_DELEG_REVOKED: /* layout was recalled */
+ case NFS4ERR_BADIOMODE: /* no IOMODE_RW layout for range */
+ case NFS4ERR_BADLAYOUT: /* no layout */
+ case NFS4ERR_GRACE: /* loca_recalim always false */
+ task->tk_status = 0;
+ }
+
+ if (nfs4_async_handle_error(task, server, NULL) == -EAGAIN) {
+ nfs_restart_rpc(task, server->nfs_client);
+ return;
+ }
+
+ if (task->tk_status == 0)
+ nfs_post_op_update_inode_force_wcc(data->args.inode,
+ data->res.fattr);
+}
+
+static void nfs4_layoutcommit_release(void *calldata)
+{
+ struct nfs4_layoutcommit_data *data = calldata;
+
+ /* Matched by references in pnfs_set_layoutcommit */
+ put_lseg(data->lseg);
+ put_rpccred(data->cred);
+ kfree(data);
+}
+
+static const struct rpc_call_ops nfs4_layoutcommit_ops = {
+ .rpc_call_prepare = nfs4_layoutcommit_prepare,
+ .rpc_call_done = nfs4_layoutcommit_done,
+ .rpc_release = nfs4_layoutcommit_release,
+};
+
+int
+nfs4_proc_layoutcommit(struct nfs4_layoutcommit_data *data, bool sync)
+{
+ struct rpc_message msg = {
+ .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_LAYOUTCOMMIT],
+ .rpc_argp = &data->args,
+ .rpc_resp = &data->res,
+ .rpc_cred = data->cred,
+ };
+ struct rpc_task_setup task_setup_data = {
+ .task = &data->task,
+ .rpc_client = NFS_CLIENT(data->args.inode),
+ .rpc_message = &msg,
+ .callback_ops = &nfs4_layoutcommit_ops,
+ .callback_data = data,
+ .flags = RPC_TASK_ASYNC,
+ };
+ struct rpc_task *task;
+ int status = 0;
+
+ dprintk("NFS: %4d initiating layoutcommit call. sync %d "
+ "lbw: %llu inode %lu\n",
+ data->task.tk_pid, sync,
+ data->args.lastbytewritten,
+ data->args.inode->i_ino);
+
+ task = rpc_run_task(&task_setup_data);
+ if (IS_ERR(task))
+ return PTR_ERR(task);
+ if (sync == false)
+ goto out;
+ status = nfs4_wait_for_completion_rpc_task(task);
+ if (status != 0)
+ goto out;
+ status = task->tk_status;
+out:
+ dprintk("%s: status %d\n", __func__, status);
+ rpc_put_task(task);
+ return status;
+}
#endif /* CONFIG_NFS_V4_1 */
struct nfs4_state_recovery_ops nfs40_reboot_recovery_ops = {
@@ -5605,6 +5929,8 @@ const struct nfs_rpc_ops nfs_v4_clientops = {
.clear_acl_cache = nfs4_zap_acl_attr,
.close_context = nfs4_close_context,
.open_context = nfs4_atomic_open,
+ .init_client = nfs4_init_client,
+ .secinfo = nfs4_proc_secinfo,
};
static const struct xattr_handler nfs4_xattr_nfs4_acl_handler = {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-03-31 21:04:47 +0000