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Diffstat (limited to 'fs/nfs/nfs4proc.c')
-rw-r--r--fs/nfs/nfs4proc.c224
1 files changed, 116 insertions, 108 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 153898e1331f..47c7e6e3910d 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -55,7 +55,7 @@
#define NFSDBG_FACILITY NFSDBG_PROC
-#define NFS4_POLL_RETRY_MIN (1*HZ)
+#define NFS4_POLL_RETRY_MIN (HZ/10)
#define NFS4_POLL_RETRY_MAX (15*HZ)
struct nfs4_opendata;
@@ -64,7 +64,7 @@ static int nfs4_do_fsinfo(struct nfs_server *, struct nfs_fh *, struct nfs_fsinf
static int nfs4_async_handle_error(struct rpc_task *, const struct nfs_server *);
static int _nfs4_proc_access(struct inode *inode, struct nfs_access_entry *entry);
static int nfs4_handle_exception(const struct nfs_server *server, int errorcode, struct nfs4_exception *exception);
-static int nfs4_wait_clnt_recover(struct rpc_clnt *clnt, struct nfs4_client *clp);
+static int nfs4_wait_clnt_recover(struct rpc_clnt *clnt, struct nfs_client *clp);
/* Prevent leaks of NFSv4 errors into userland */
int nfs4_map_errors(int err)
@@ -195,7 +195,7 @@ static void nfs4_setup_readdir(u64 cookie, u32 *verifier, struct dentry *dentry,
static void renew_lease(const struct nfs_server *server, unsigned long timestamp)
{
- struct nfs4_client *clp = server->nfs4_state;
+ struct nfs_client *clp = server->nfs_client;
spin_lock(&clp->cl_lock);
if (time_before(clp->cl_last_renewal,timestamp))
clp->cl_last_renewal = timestamp;
@@ -252,7 +252,7 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry,
atomic_inc(&sp->so_count);
p->o_arg.fh = NFS_FH(dir);
p->o_arg.open_flags = flags,
- p->o_arg.clientid = server->nfs4_state->cl_clientid;
+ p->o_arg.clientid = server->nfs_client->cl_clientid;
p->o_arg.id = sp->so_id;
p->o_arg.name = &dentry->d_name;
p->o_arg.server = server;
@@ -550,7 +550,7 @@ int nfs4_open_delegation_recall(struct dentry *dentry, struct nfs4_state *state)
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_EXPIRED:
/* Don't recall a delegation if it was lost */
- nfs4_schedule_state_recovery(server->nfs4_state);
+ nfs4_schedule_state_recovery(server->nfs_client);
return err;
}
err = nfs4_handle_exception(server, err, &exception);
@@ -758,7 +758,7 @@ static int _nfs4_proc_open(struct nfs4_opendata *data)
}
nfs_confirm_seqid(&data->owner->so_seqid, 0);
if (!(o_res->f_attr->valid & NFS_ATTR_FATTR))
- return server->rpc_ops->getattr(server, &o_res->fh, o_res->f_attr);
+ return server->nfs_client->rpc_ops->getattr(server, &o_res->fh, o_res->f_attr);
return 0;
}
@@ -792,11 +792,18 @@ out:
int nfs4_recover_expired_lease(struct nfs_server *server)
{
- struct nfs4_client *clp = server->nfs4_state;
+ struct nfs_client *clp = server->nfs_client;
+ int ret;
- if (test_and_clear_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
+ for (;;) {
+ ret = nfs4_wait_clnt_recover(server->client, clp);
+ if (ret != 0)
+ return ret;
+ if (!test_and_clear_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
+ break;
nfs4_schedule_state_recovery(clp);
- return nfs4_wait_clnt_recover(server->client, clp);
+ }
+ return 0;
}
/*
@@ -867,7 +874,7 @@ static int _nfs4_open_delegated(struct inode *inode, int flags, struct rpc_cred
{
struct nfs_delegation *delegation;
struct nfs_server *server = NFS_SERVER(inode);
- struct nfs4_client *clp = server->nfs4_state;
+ struct nfs_client *clp = server->nfs_client;
struct nfs_inode *nfsi = NFS_I(inode);
struct nfs4_state_owner *sp = NULL;
struct nfs4_state *state = NULL;
@@ -953,7 +960,7 @@ static int _nfs4_do_open(struct inode *dir, struct dentry *dentry, int flags, st
struct nfs4_state_owner *sp;
struct nfs4_state *state = NULL;
struct nfs_server *server = NFS_SERVER(dir);
- struct nfs4_client *clp = server->nfs4_state;
+ struct nfs_client *clp = server->nfs_client;
struct nfs4_opendata *opendata;
int status;
@@ -970,7 +977,7 @@ static int _nfs4_do_open(struct inode *dir, struct dentry *dentry, int flags, st
status = -ENOMEM;
opendata = nfs4_opendata_alloc(dentry, sp, flags, sattr);
if (opendata == NULL)
- goto err_put_state_owner;
+ goto err_release_rwsem;
status = _nfs4_proc_open(opendata);
if (status != 0)
@@ -989,11 +996,11 @@ static int _nfs4_do_open(struct inode *dir, struct dentry *dentry, int flags, st
return 0;
err_opendata_free:
nfs4_opendata_free(opendata);
+err_release_rwsem:
+ up_read(&clp->cl_sem);
err_put_state_owner:
nfs4_put_state_owner(sp);
out_err:
- /* Note: clp->cl_sem must be released before nfs4_put_open_state()! */
- up_read(&clp->cl_sem);
*res = NULL;
return status;
}
@@ -1133,7 +1140,7 @@ static void nfs4_close_done(struct rpc_task *task, void *data)
break;
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_EXPIRED:
- nfs4_schedule_state_recovery(server->nfs4_state);
+ nfs4_schedule_state_recovery(server->nfs_client);
break;
default:
if (nfs4_async_handle_error(task, server) == -EAGAIN) {
@@ -1268,7 +1275,7 @@ nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
BUG_ON(nd->intent.open.flags & O_CREAT);
}
- cred = rpcauth_lookupcred(NFS_SERVER(dir)->client->cl_auth, 0);
+ cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0);
if (IS_ERR(cred))
return (struct dentry *)cred;
state = nfs4_do_open(dir, dentry, nd->intent.open.flags, &attr, cred);
@@ -1291,7 +1298,7 @@ nfs4_open_revalidate(struct inode *dir, struct dentry *dentry, int openflags, st
struct rpc_cred *cred;
struct nfs4_state *state;
- cred = rpcauth_lookupcred(NFS_SERVER(dir)->client->cl_auth, 0);
+ cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0);
if (IS_ERR(cred))
return PTR_ERR(cred);
state = nfs4_open_delegated(dentry->d_inode, openflags, cred);
@@ -1393,70 +1400,19 @@ static int nfs4_lookup_root(struct nfs_server *server, struct nfs_fh *fhandle,
return err;
}
+/*
+ * 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)
+ struct nfs_fsinfo *info)
{
- struct nfs_fattr * fattr = info->fattr;
- unsigned char * p;
- struct qstr q;
- struct nfs4_lookup_arg args = {
- .dir_fh = fhandle,
- .name = &q,
- .bitmask = nfs4_fattr_bitmap,
- };
- struct nfs4_lookup_res res = {
- .server = server,
- .fattr = fattr,
- .fh = fhandle,
- };
- struct rpc_message msg = {
- .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_LOOKUP],
- .rpc_argp = &args,
- .rpc_resp = &res,
- };
int status;
- /*
- * Now we do a separate LOOKUP for each component of the mount path.
- * The LOOKUPs are done separately so that we can conveniently
- * catch an ERR_WRONGSEC if it occurs along the way...
- */
status = nfs4_lookup_root(server, fhandle, info);
- if (status)
- goto out;
-
- p = server->mnt_path;
- for (;;) {
- struct nfs4_exception exception = { };
-
- while (*p == '/')
- p++;
- if (!*p)
- break;
- q.name = p;
- while (*p && (*p != '/'))
- p++;
- q.len = p - q.name;
-
- do {
- nfs_fattr_init(fattr);
- status = nfs4_handle_exception(server,
- rpc_call_sync(server->client, &msg, 0),
- &exception);
- } while (exception.retry);
- if (status == 0)
- continue;
- if (status == -ENOENT) {
- printk(KERN_NOTICE "NFS: mount path %s does not exist!\n", server->mnt_path);
- printk(KERN_NOTICE "NFS: suggestion: try mounting '/' instead.\n");
- }
- break;
- }
if (status == 0)
status = nfs4_server_capabilities(server, fhandle);
if (status == 0)
status = nfs4_do_fsinfo(server, fhandle, info);
-out:
return nfs4_map_errors(status);
}
@@ -1565,7 +1521,7 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
nfs_fattr_init(fattr);
- cred = rpcauth_lookupcred(NFS_SERVER(inode)->client->cl_auth, 0);
+ cred = rpcauth_lookupcred(NFS_CLIENT(inode)->cl_auth, 0);
if (IS_ERR(cred))
return PTR_ERR(cred);
@@ -1583,6 +1539,52 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
return status;
}
+static int _nfs4_proc_lookupfh(struct nfs_server *server, struct nfs_fh *dirfh,
+ struct qstr *name, struct nfs_fh *fhandle,
+ struct nfs_fattr *fattr)
+{
+ int status;
+ struct nfs4_lookup_arg args = {
+ .bitmask = server->attr_bitmask,
+ .dir_fh = dirfh,
+ .name = name,
+ };
+ struct nfs4_lookup_res res = {
+ .server = server,
+ .fattr = fattr,
+ .fh = fhandle,
+ };
+ struct rpc_message msg = {
+ .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_LOOKUP],
+ .rpc_argp = &args,
+ .rpc_resp = &res,
+ };
+
+ nfs_fattr_init(fattr);
+
+ dprintk("NFS call lookupfh %s\n", name->name);
+ status = rpc_call_sync(server->client, &msg, 0);
+ dprintk("NFS reply lookupfh: %d\n", status);
+ if (status == -NFS4ERR_MOVED)
+ status = -EREMOTE;
+ return status;
+}
+
+static int nfs4_proc_lookupfh(struct nfs_server *server, struct nfs_fh *dirfh,
+ struct qstr *name, struct nfs_fh *fhandle,
+ struct nfs_fattr *fattr)
+{
+ struct nfs4_exception exception = { };
+ int err;
+ do {
+ err = nfs4_handle_exception(server,
+ _nfs4_proc_lookupfh(server, dirfh, name,
+ fhandle, fattr),
+ &exception);
+ } while (exception.retry);
+ return err;
+}
+
static int _nfs4_proc_lookup(struct inode *dir, struct qstr *name,
struct nfs_fh *fhandle, struct nfs_fattr *fattr)
{
@@ -1881,7 +1883,7 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
struct rpc_cred *cred;
int status = 0;
- cred = rpcauth_lookupcred(NFS_SERVER(dir)->client->cl_auth, 0);
+ cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0);
if (IS_ERR(cred)) {
status = PTR_ERR(cred);
goto out;
@@ -2089,24 +2091,24 @@ static int nfs4_proc_link(struct inode *inode, struct inode *dir, struct qstr *n
return err;
}
-static int _nfs4_proc_symlink(struct inode *dir, struct qstr *name,
- struct qstr *path, struct iattr *sattr, struct nfs_fh *fhandle,
- struct nfs_fattr *fattr)
+static int _nfs4_proc_symlink(struct inode *dir, struct dentry *dentry,
+ struct page *page, unsigned int len, struct iattr *sattr)
{
struct nfs_server *server = NFS_SERVER(dir);
- struct nfs_fattr dir_fattr;
+ struct nfs_fh fhandle;
+ struct nfs_fattr fattr, dir_fattr;
struct nfs4_create_arg arg = {
.dir_fh = NFS_FH(dir),
.server = server,
- .name = name,
+ .name = &dentry->d_name,
.attrs = sattr,
.ftype = NF4LNK,
.bitmask = server->attr_bitmask,
};
struct nfs4_create_res res = {
.server = server,
- .fh = fhandle,
- .fattr = fattr,
+ .fh = &fhandle,
+ .fattr = &fattr,
.dir_fattr = &dir_fattr,
};
struct rpc_message msg = {
@@ -2116,29 +2118,32 @@ static int _nfs4_proc_symlink(struct inode *dir, struct qstr *name,
};
int status;
- if (path->len > NFS4_MAXPATHLEN)
+ if (len > NFS4_MAXPATHLEN)
return -ENAMETOOLONG;
- arg.u.symlink = path;
- nfs_fattr_init(fattr);
+
+ arg.u.symlink.pages = &page;
+ arg.u.symlink.len = len;
+ nfs_fattr_init(&fattr);
nfs_fattr_init(&dir_fattr);
status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
- if (!status)
+ if (!status) {
update_changeattr(dir, &res.dir_cinfo);
- nfs_post_op_update_inode(dir, res.dir_fattr);
+ nfs_post_op_update_inode(dir, res.dir_fattr);
+ status = nfs_instantiate(dentry, &fhandle, &fattr);
+ }
return status;
}
-static int nfs4_proc_symlink(struct inode *dir, struct qstr *name,
- struct qstr *path, struct iattr *sattr, struct nfs_fh *fhandle,
- struct nfs_fattr *fattr)
+static int nfs4_proc_symlink(struct inode *dir, struct dentry *dentry,
+ struct page *page, unsigned int len, struct iattr *sattr)
{
struct nfs4_exception exception = { };
int err;
do {
err = nfs4_handle_exception(NFS_SERVER(dir),
- _nfs4_proc_symlink(dir, name, path, sattr,
- fhandle, fattr),
+ _nfs4_proc_symlink(dir, dentry, page,
+ len, sattr),
&exception);
} while (exception.retry);
return err;
@@ -2521,7 +2526,7 @@ static void nfs4_proc_commit_setup(struct nfs_write_data *data, int how)
*/
static void nfs4_renew_done(struct rpc_task *task, void *data)
{
- struct nfs4_client *clp = (struct nfs4_client *)task->tk_msg.rpc_argp;
+ struct nfs_client *clp = (struct nfs_client *)task->tk_msg.rpc_argp;
unsigned long timestamp = (unsigned long)data;
if (task->tk_status < 0) {
@@ -2543,7 +2548,7 @@ static const struct rpc_call_ops nfs4_renew_ops = {
.rpc_call_done = nfs4_renew_done,
};
-int nfs4_proc_async_renew(struct nfs4_client *clp, struct rpc_cred *cred)
+int nfs4_proc_async_renew(struct nfs_client *clp, struct rpc_cred *cred)
{
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_RENEW],
@@ -2555,7 +2560,7 @@ int nfs4_proc_async_renew(struct nfs4_client *clp, struct rpc_cred *cred)
&nfs4_renew_ops, (void *)jiffies);
}
-int nfs4_proc_renew(struct nfs4_client *clp, struct rpc_cred *cred)
+int nfs4_proc_renew(struct nfs_client *clp, struct rpc_cred *cred)
{
struct rpc_message msg = {
.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_RENEW],
@@ -2770,7 +2775,7 @@ static int __nfs4_proc_set_acl(struct inode *inode, const void *buf, size_t bufl
return -EOPNOTSUPP;
nfs_inode_return_delegation(inode);
buf_to_pages(buf, buflen, arg.acl_pages, &arg.acl_pgbase);
- ret = rpc_call_sync(NFS_SERVER(inode)->client, &msg, 0);
+ ret = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
if (ret == 0)
nfs4_write_cached_acl(inode, buf, buflen);
return ret;
@@ -2791,7 +2796,7 @@ static int nfs4_proc_set_acl(struct inode *inode, const void *buf, size_t buflen
static int
nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server)
{
- struct nfs4_client *clp = server->nfs4_state;
+ struct nfs_client *clp = server->nfs_client;
if (!clp || task->tk_status >= 0)
return 0;
@@ -2828,7 +2833,7 @@ static int nfs4_wait_bit_interruptible(void *word)
return 0;
}
-static int nfs4_wait_clnt_recover(struct rpc_clnt *clnt, struct nfs4_client *clp)
+static int nfs4_wait_clnt_recover(struct rpc_clnt *clnt, struct nfs_client *clp)
{
sigset_t oldset;
int res;
@@ -2871,7 +2876,7 @@ static int nfs4_delay(struct rpc_clnt *clnt, long *timeout)
*/
int nfs4_handle_exception(const struct nfs_server *server, int errorcode, struct nfs4_exception *exception)
{
- struct nfs4_client *clp = server->nfs4_state;
+ struct nfs_client *clp = server->nfs_client;
int ret = errorcode;
exception->retry = 0;
@@ -2886,6 +2891,7 @@ int nfs4_handle_exception(const struct nfs_server *server, int errorcode, struct
if (ret == 0)
exception->retry = 1;
break;
+ case -NFS4ERR_FILE_OPEN:
case -NFS4ERR_GRACE:
case -NFS4ERR_DELAY:
ret = nfs4_delay(server->client, &exception->timeout);
@@ -2898,7 +2904,7 @@ int nfs4_handle_exception(const struct nfs_server *server, int errorcode, struct
return nfs4_map_errors(ret);
}
-int nfs4_proc_setclientid(struct nfs4_client *clp, u32 program, unsigned short port, struct rpc_cred *cred)
+int nfs4_proc_setclientid(struct nfs_client *clp, u32 program, unsigned short port, struct rpc_cred *cred)
{
nfs4_verifier sc_verifier;
struct nfs4_setclientid setclientid = {
@@ -2922,7 +2928,7 @@ int nfs4_proc_setclientid(struct nfs4_client *clp, u32 program, unsigned short p
for(;;) {
setclientid.sc_name_len = scnprintf(setclientid.sc_name,
sizeof(setclientid.sc_name), "%s/%u.%u.%u.%u %s %u",
- clp->cl_ipaddr, NIPQUAD(clp->cl_addr.s_addr),
+ clp->cl_ipaddr, NIPQUAD(clp->cl_addr.sin_addr),
cred->cr_ops->cr_name,
clp->cl_id_uniquifier);
setclientid.sc_netid_len = scnprintf(setclientid.sc_netid,
@@ -2945,7 +2951,7 @@ int nfs4_proc_setclientid(struct nfs4_client *clp, u32 program, unsigned short p
return status;
}
-static int _nfs4_proc_setclientid_confirm(struct nfs4_client *clp, struct rpc_cred *cred)
+static int _nfs4_proc_setclientid_confirm(struct nfs_client *clp, struct rpc_cred *cred)
{
struct nfs_fsinfo fsinfo;
struct rpc_message msg = {
@@ -2969,7 +2975,7 @@ static int _nfs4_proc_setclientid_confirm(struct nfs4_client *clp, struct rpc_cr
return status;
}
-int nfs4_proc_setclientid_confirm(struct nfs4_client *clp, struct rpc_cred *cred)
+int nfs4_proc_setclientid_confirm(struct nfs_client *clp, struct rpc_cred *cred)
{
long timeout;
int err;
@@ -3077,7 +3083,7 @@ int nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, const nfs4
switch (err) {
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_EXPIRED:
- nfs4_schedule_state_recovery(server->nfs4_state);
+ nfs4_schedule_state_recovery(server->nfs_client);
case 0:
return 0;
}
@@ -3106,7 +3112,7 @@ static int _nfs4_proc_getlk(struct nfs4_state *state, int cmd, struct file_lock
{
struct inode *inode = state->inode;
struct nfs_server *server = NFS_SERVER(inode);
- struct nfs4_client *clp = server->nfs4_state;
+ struct nfs_client *clp = server->nfs_client;
struct nfs_lockt_args arg = {
.fh = NFS_FH(inode),
.fl = request,
@@ -3231,7 +3237,7 @@ static void nfs4_locku_done(struct rpc_task *task, void *data)
break;
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_EXPIRED:
- nfs4_schedule_state_recovery(calldata->server->nfs4_state);
+ nfs4_schedule_state_recovery(calldata->server->nfs_client);
break;
default:
if (nfs4_async_handle_error(task, calldata->server) == -EAGAIN) {
@@ -3343,7 +3349,7 @@ static struct nfs4_lockdata *nfs4_alloc_lockdata(struct file_lock *fl,
if (p->arg.lock_seqid == NULL)
goto out_free;
p->arg.lock_stateid = &lsp->ls_stateid;
- p->arg.lock_owner.clientid = server->nfs4_state->cl_clientid;
+ p->arg.lock_owner.clientid = server->nfs_client->cl_clientid;
p->arg.lock_owner.id = lsp->ls_id;
p->lsp = lsp;
atomic_inc(&lsp->ls_count);
@@ -3513,7 +3519,7 @@ static int nfs4_lock_expired(struct nfs4_state *state, struct file_lock *request
static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock *request)
{
- struct nfs4_client *clp = state->owner->so_client;
+ struct nfs_client *clp = state->owner->so_client;
unsigned char fl_flags = request->fl_flags;
int status;
@@ -3715,7 +3721,7 @@ static struct inode_operations nfs4_file_inode_operations = {
.listxattr = nfs4_listxattr,
};
-struct nfs_rpc_ops nfs_v4_clientops = {
+const struct nfs_rpc_ops nfs_v4_clientops = {
.version = 4, /* protocol version */
.dentry_ops = &nfs4_dentry_operations,
.dir_inode_ops = &nfs4_dir_inode_operations,
@@ -3723,6 +3729,7 @@ struct nfs_rpc_ops nfs_v4_clientops = {
.getroot = nfs4_proc_get_root,
.getattr = nfs4_proc_getattr,
.setattr = nfs4_proc_setattr,
+ .lookupfh = nfs4_proc_lookupfh,
.lookup = nfs4_proc_lookup,
.access = nfs4_proc_access,
.readlink = nfs4_proc_readlink,
@@ -3743,6 +3750,7 @@ struct nfs_rpc_ops nfs_v4_clientops = {
.statfs = nfs4_proc_statfs,
.fsinfo = nfs4_proc_fsinfo,
.pathconf = nfs4_proc_pathconf,
+ .set_capabilities = nfs4_server_capabilities,
.decode_dirent = nfs4_decode_dirent,
.read_setup = nfs4_proc_read_setup,
.read_done = nfs4_read_done,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-17 18:08:14 +0000