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Diffstat (limited to 'fs/nfs/nfs4proc.c')
-rw-r--r--fs/nfs/nfs4proc.c104
1 files changed, 75 insertions, 29 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 76d37161409a..95d07a3dc5d1 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1097,11 +1097,12 @@ static int nfs4_call_sync_custom(struct rpc_task_setup *task_setup)
return ret;
}
-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)
+static int nfs4_do_call_sync(struct rpc_clnt *clnt,
+ struct nfs_server *server,
+ struct rpc_message *msg,
+ struct nfs4_sequence_args *args,
+ struct nfs4_sequence_res *res,
+ unsigned short task_flags)
{
struct nfs_client *clp = server->nfs_client;
struct nfs4_call_sync_data data = {
@@ -1113,12 +1114,23 @@ static int nfs4_call_sync_sequence(struct rpc_clnt *clnt,
.rpc_client = clnt,
.rpc_message = msg,
.callback_ops = clp->cl_mvops->call_sync_ops,
- .callback_data = &data
+ .callback_data = &data,
+ .flags = task_flags,
};
return nfs4_call_sync_custom(&task_setup);
}
+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)
+{
+ return nfs4_do_call_sync(clnt, server, msg, args, res, 0);
+}
+
+
int nfs4_call_sync(struct rpc_clnt *clnt,
struct nfs_server *server,
struct rpc_message *msg,
@@ -3187,6 +3199,11 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir,
exception.retry = 1;
continue;
}
+ if (status == -NFS4ERR_EXPIRED) {
+ nfs4_schedule_lease_recovery(server->nfs_client);
+ exception.retry = 1;
+ continue;
+ }
if (status == -EAGAIN) {
/* We must have found a delegation */
exception.retry = 1;
@@ -3239,6 +3256,8 @@ static int _nfs4_do_setattr(struct inode *inode,
nfs_put_lock_context(l_ctx);
if (status == -EIO)
return -EBADF;
+ else if (status == -EAGAIN)
+ goto zero_stateid;
} else {
zero_stateid:
nfs4_stateid_copy(&arg->stateid, &zero_stateid);
@@ -4064,11 +4083,18 @@ static int _nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
.rpc_argp = &args,
.rpc_resp = &res,
};
+ unsigned short task_flags = 0;
+
+ /* Is this is an attribute revalidation, subject to softreval? */
+ if (inode && (server->flags & NFS_MOUNT_SOFTREVAL))
+ task_flags |= RPC_TASK_TIMEOUT;
nfs4_bitmap_copy_adjust(bitmask, nfs4_bitmask(server, label), inode);
nfs_fattr_init(fattr);
- return nfs4_call_sync(server->client, server, &msg, &args.seq_args, &res.seq_res, 0);
+ nfs4_init_sequence(&args.seq_args, &res.seq_res, 0, 0);
+ return nfs4_do_call_sync(server->client, server, &msg,
+ &args.seq_args, &res.seq_res, task_flags);
}
int nfs4_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
@@ -4156,7 +4182,7 @@ nfs4_proc_setattr(struct dentry *dentry, 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 dentry *dentry, struct nfs_fh *fhandle,
struct nfs_fattr *fattr, struct nfs4_label *label)
{
struct nfs_server *server = NFS_SERVER(dir);
@@ -4164,7 +4190,7 @@ static int _nfs4_proc_lookup(struct rpc_clnt *clnt, struct inode *dir,
struct nfs4_lookup_arg args = {
.bitmask = server->attr_bitmask,
.dir_fh = NFS_FH(dir),
- .name = name,
+ .name = &dentry->d_name,
};
struct nfs4_lookup_res res = {
.server = server,
@@ -4177,13 +4203,20 @@ static int _nfs4_proc_lookup(struct rpc_clnt *clnt, struct inode *dir,
.rpc_argp = &args,
.rpc_resp = &res,
};
+ unsigned short task_flags = 0;
+
+ /* Is this is an attribute revalidation, subject to softreval? */
+ if (nfs_lookup_is_soft_revalidate(dentry))
+ task_flags |= RPC_TASK_TIMEOUT;
args.bitmask = nfs4_bitmask(server, label);
nfs_fattr_init(fattr);
- dprintk("NFS call lookup %s\n", name->name);
- status = nfs4_call_sync(clnt, server, &msg, &args.seq_args, &res.seq_res, 0);
+ dprintk("NFS call lookup %pd2\n", dentry);
+ nfs4_init_sequence(&args.seq_args, &res.seq_res, 0, 0);
+ status = nfs4_do_call_sync(clnt, server, &msg,
+ &args.seq_args, &res.seq_res, task_flags);
dprintk("NFS reply lookup: %d\n", status);
return status;
}
@@ -4197,16 +4230,17 @@ static void nfs_fixup_secinfo_attributes(struct nfs_fattr *fattr)
}
static int nfs4_proc_lookup_common(struct rpc_clnt **clnt, struct inode *dir,
- const struct qstr *name, struct nfs_fh *fhandle,
+ struct dentry *dentry, struct nfs_fh *fhandle,
struct nfs_fattr *fattr, struct nfs4_label *label)
{
struct nfs4_exception exception = {
.interruptible = true,
};
struct rpc_clnt *client = *clnt;
+ const struct qstr *name = &dentry->d_name;
int err;
do {
- err = _nfs4_proc_lookup(client, dir, name, fhandle, fattr, label);
+ err = _nfs4_proc_lookup(client, dir, dentry, fhandle, fattr, label);
trace_nfs4_lookup(dir, name, err);
switch (err) {
case -NFS4ERR_BADNAME:
@@ -4241,14 +4275,14 @@ out:
return err;
}
-static int nfs4_proc_lookup(struct inode *dir, const struct qstr *name,
+static int nfs4_proc_lookup(struct inode *dir, struct dentry *dentry,
struct nfs_fh *fhandle, struct nfs_fattr *fattr,
struct nfs4_label *label)
{
int status;
struct rpc_clnt *client = NFS_CLIENT(dir);
- status = nfs4_proc_lookup_common(&client, dir, name, fhandle, fattr, label);
+ status = nfs4_proc_lookup_common(&client, dir, dentry, fhandle, fattr, label);
if (client != NFS_CLIENT(dir)) {
rpc_shutdown_client(client);
nfs_fixup_secinfo_attributes(fattr);
@@ -4257,13 +4291,13 @@ static int nfs4_proc_lookup(struct inode *dir, const struct qstr *name,
}
struct rpc_clnt *
-nfs4_proc_lookup_mountpoint(struct inode *dir, const struct qstr *name,
+nfs4_proc_lookup_mountpoint(struct inode *dir, struct dentry *dentry,
struct nfs_fh *fhandle, struct nfs_fattr *fattr)
{
struct rpc_clnt *client = NFS_CLIENT(dir);
int status;
- status = nfs4_proc_lookup_common(&client, dir, name, fhandle, fattr, NULL);
+ status = nfs4_proc_lookup_common(&client, dir, dentry, fhandle, fattr, NULL);
if (status < 0)
return ERR_PTR(status);
return (client == NFS_CLIENT(dir)) ? rpc_clone_client(client) : client;
@@ -5019,16 +5053,13 @@ static int nfs4_do_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, str
struct nfs4_exception exception = {
.interruptible = true,
};
- unsigned long now = jiffies;
int err;
do {
err = _nfs4_do_fsinfo(server, fhandle, fsinfo);
trace_nfs4_fsinfo(server, fhandle, fsinfo->fattr, err);
if (err == 0) {
- nfs4_set_lease_period(server->nfs_client,
- fsinfo->lease_time * HZ,
- now);
+ nfs4_set_lease_period(server->nfs_client, fsinfo->lease_time * HZ);
break;
}
err = nfs4_handle_exception(server, err, &exception);
@@ -5582,10 +5613,9 @@ out:
*/
static ssize_t __nfs4_get_acl_uncached(struct inode *inode, void *buf, size_t buflen)
{
- struct page *pages[NFS4ACL_MAXPAGES + 1] = {NULL, };
+ struct page **pages;
struct nfs_getaclargs args = {
.fh = NFS_FH(inode),
- .acl_pages = pages,
.acl_len = buflen,
};
struct nfs_getaclres res = {
@@ -5596,11 +5626,19 @@ static ssize_t __nfs4_get_acl_uncached(struct inode *inode, void *buf, size_t bu
.rpc_argp = &args,
.rpc_resp = &res,
};
- unsigned int npages = DIV_ROUND_UP(buflen, PAGE_SIZE) + 1;
+ unsigned int npages;
int ret = -ENOMEM, i;
+ struct nfs_server *server = NFS_SERVER(inode);
- if (npages > ARRAY_SIZE(pages))
- return -ERANGE;
+ if (buflen == 0)
+ buflen = server->rsize;
+
+ npages = DIV_ROUND_UP(buflen, PAGE_SIZE) + 1;
+ pages = kmalloc_array(npages, sizeof(struct page *), GFP_NOFS);
+ if (!pages)
+ return -ENOMEM;
+
+ args.acl_pages = pages;
for (i = 0; i < npages; i++) {
pages[i] = alloc_page(GFP_KERNEL);
@@ -5646,6 +5684,7 @@ out_free:
__free_page(pages[i]);
if (res.acl_scratch)
__free_page(res.acl_scratch);
+ kfree(pages);
return ret;
}
@@ -6084,6 +6123,7 @@ int nfs4_proc_setclientid(struct nfs_client *clp, u32 program,
.callback_data = &setclientid,
.flags = RPC_TASK_TIMEOUT | RPC_TASK_NO_ROUND_ROBIN,
};
+ unsigned long now = jiffies;
int status;
/* nfs_client_id4 */
@@ -6116,6 +6156,9 @@ int nfs4_proc_setclientid(struct nfs_client *clp, u32 program,
clp->cl_acceptor = rpcauth_stringify_acceptor(setclientid.sc_cred);
put_rpccred(setclientid.sc_cred);
}
+
+ if (status == 0)
+ do_renew_lease(clp, now);
out:
trace_nfs4_setclientid(clp, status);
dprintk("NFS reply setclientid: %d\n", status);
@@ -6859,7 +6902,7 @@ static void nfs4_handle_setlk_error(struct nfs_server *server, struct nfs4_lock_
case -NFS4ERR_STALE_STATEID:
lsp->ls_seqid.flags &= ~NFS_SEQID_CONFIRMED;
nfs4_schedule_lease_recovery(server->nfs_client);
- };
+ }
}
static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *fl, int recovery_type)
@@ -8203,6 +8246,7 @@ static int _nfs4_proc_exchange_id(struct nfs_client *clp, const struct cred *cre
struct rpc_task *task;
struct nfs41_exchange_id_args *argp;
struct nfs41_exchange_id_res *resp;
+ unsigned long now = jiffies;
int status;
task = nfs4_run_exchange_id(clp, cred, sp4_how, NULL);
@@ -8223,6 +8267,8 @@ static int _nfs4_proc_exchange_id(struct nfs_client *clp, const struct cred *cre
if (status != 0)
goto out;
+ do_renew_lease(clp, now);
+
clp->cl_clientid = resp->clientid;
clp->cl_exchange_flags = resp->flags;
clp->cl_seqid = resp->seqid;
@@ -8626,7 +8672,7 @@ static int _nfs4_proc_create_session(struct nfs_client *clp,
case -EACCES:
case -EAGAIN:
goto out;
- };
+ }
clp->cl_seqid++;
if (!status) {
@@ -10001,7 +10047,7 @@ const struct nfs_rpc_ops nfs_v4_clientops = {
.file_ops = &nfs4_file_operations,
.getroot = nfs4_proc_get_root,
.submount = nfs4_submount,
- .try_mount = nfs4_try_mount,
+ .try_get_tree = nfs4_try_get_tree,
.getattr = nfs4_proc_getattr,
.setattr = nfs4_proc_setattr,
.lookup = nfs4_proc_lookup,