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Merge branch 'bugfixes' into linux-next 

* bugfixes:
  NFSv4.1: Fix an NFSv4.1 state renewal regression
  NFSv4: fix open/lock state recovery error handling
  NFSv4: Fix lock recovery when CREATE_SESSION/SETCLIENTID_CONFIRM fails
  NFS: Fabricate fscache server index key correctly
  SUNRPC: Add missing support for RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT
  nfs: fix duplicate proc entries
This commit is contained in:
Trond Myklebust 2014-09-30 17:21:41 -04:00
parent 3fc3edf141 d1f456b0b9
commit 72c23f0819
7 changed files with 64 additions and 53 deletions
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2
fs/nfs/client.c
View File

@ -1320,7 +1320,7 @@ static int nfs_server_list_show(struct seq_file *m, void *v)
*/
static int nfs_volume_list_open(struct inode *inode, struct file *file)
{
return seq_open_net(inode, file, &nfs_server_list_ops,
return seq_open_net(inode, file, &nfs_volume_list_ops,
sizeof(struct seq_net_private));
}

3
fs/nfs/fscache-index.c
View File

@ -74,11 +74,10 @@ static uint16_t nfs_server_get_key(const void *cookie_netfs_data,
struct nfs_server_key *key = buffer;
uint16_t len = sizeof(struct nfs_server_key);
memset(key, 0, len);
key->nfsversion = clp->rpc_ops->version;
key->family = clp->cl_addr.ss_family;
memset(key, 0, len);
switch (clp->cl_addr.ss_family) {
case AF_INET:
key->port = sin->sin_port;

38
fs/nfs/nfs4client.c
View File

@ -482,6 +482,16 @@ int nfs40_walk_client_list(struct nfs_client *new,
spin_lock(&nn->nfs_client_lock);
list_for_each_entry(pos, &nn->nfs_client_list, cl_share_link) {
if (pos->rpc_ops != new->rpc_ops)
continue;
if (pos->cl_proto != new->cl_proto)
continue;
if (pos->cl_minorversion != new->cl_minorversion)
continue;
/* If "pos" isn't marked ready, we can't trust the
* remaining fields in "pos" */
if (pos->cl_cons_state > NFS_CS_READY) {
@ -501,15 +511,6 @@ int nfs40_walk_client_list(struct nfs_client *new,
if (pos->cl_cons_state != NFS_CS_READY)
continue;
if (pos->rpc_ops != new->rpc_ops)
continue;
if (pos->cl_proto != new->cl_proto)
continue;
if (pos->cl_minorversion != new->cl_minorversion)
continue;
if (pos->cl_clientid != new->cl_clientid)
continue;
@ -622,6 +623,16 @@ int nfs41_walk_client_list(struct nfs_client *new,
spin_lock(&nn->nfs_client_lock);
list_for_each_entry(pos, &nn->nfs_client_list, cl_share_link) {
if (pos->rpc_ops != new->rpc_ops)
continue;
if (pos->cl_proto != new->cl_proto)
continue;
if (pos->cl_minorversion != new->cl_minorversion)
continue;
/* If "pos" isn't marked ready, we can't trust the
* remaining fields in "pos", especially the client
* ID and serverowner fields. Wait for CREATE_SESSION
@ -647,15 +658,6 @@ int nfs41_walk_client_list(struct nfs_client *new,
if (pos->cl_cons_state != NFS_CS_READY)
continue;
if (pos->rpc_ops != new->rpc_ops)
continue;
if (pos->cl_proto != new->cl_proto)
continue;
if (pos->cl_minorversion != new->cl_minorversion)
continue;
if (!nfs4_match_clientids(pos, new))
continue;

42
fs/nfs/nfs4proc.c
View File

@ -2234,9 +2234,13 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
ret = _nfs4_proc_open(opendata);
if (ret != 0) {
if (ret == -ENOENT) {
d_drop(opendata->dentry);
d_add(opendata->dentry, NULL);
nfs_set_verifier(opendata->dentry,
dentry = opendata->dentry;
if (dentry->d_inode)
d_delete(dentry);
else if (d_unhashed(dentry))
d_add(dentry, NULL);
nfs_set_verifier(dentry,
nfs_save_change_attribute(opendata->dir->d_inode));
}
goto out;
@ -2622,23 +2626,23 @@ static void nfs4_close_prepare(struct rpc_task *task, void *data)
is_rdwr = test_bit(NFS_O_RDWR_STATE, &state->flags);
is_rdonly = test_bit(NFS_O_RDONLY_STATE, &state->flags);
is_wronly = test_bit(NFS_O_WRONLY_STATE, &state->flags);
/* Calculate the current open share mode */
calldata->arg.fmode = 0;
if (is_rdonly || is_rdwr)
calldata->arg.fmode |= FMODE_READ;
if (is_wronly || is_rdwr)
calldata->arg.fmode |= FMODE_WRITE;
/* Calculate the change in open mode */
calldata->arg.fmode = 0;
if (state->n_rdwr == 0) {
if (state->n_rdonly == 0) {
call_close |= is_rdonly || is_rdwr;
calldata->arg.fmode &= ~FMODE_READ;
}
if (state->n_wronly == 0) {
call_close |= is_wronly || is_rdwr;
calldata->arg.fmode &= ~FMODE_WRITE;
}
}
if (state->n_rdonly == 0)
call_close |= is_rdonly;
else if (is_rdonly)
calldata->arg.fmode |= FMODE_READ;
if (state->n_wronly == 0)
call_close |= is_wronly;
else if (is_wronly)
calldata->arg.fmode |= FMODE_WRITE;
} else if (is_rdwr)
calldata->arg.fmode |= FMODE_READ|FMODE_WRITE;
if (calldata->arg.fmode == 0)
call_close |= is_rdwr;
if (!nfs4_valid_open_stateid(state))
call_close = 0;
spin_unlock(&state->owner->so_lock);
@ -7368,7 +7372,7 @@ static int nfs41_proc_async_sequence(struct nfs_client *clp, struct rpc_cred *cr
int ret = 0;
if ((renew_flags & NFS4_RENEW_TIMEOUT) == 0)
return 0;
return -EAGAIN;
task = _nfs41_proc_sequence(clp, cred, false);
if (IS_ERR(task))
ret = PTR_ERR(task);

12
fs/nfs/nfs4renewd.c
View File

@ -88,10 +88,18 @@ nfs4_renew_state(struct work_struct *work)
}
nfs_expire_all_delegations(clp);
} else {
int ret;
/* Queue an asynchronous RENEW. */
ops->sched_state_renewal(clp, cred, renew_flags);
ret = ops->sched_state_renewal(clp, cred, renew_flags);
put_rpccred(cred);
goto out_exp;
switch (ret) {
default:
goto out_exp;
case -EAGAIN:
case -ENOMEM:
break;
}
}
} else {
dprintk("%s: failed to call renewd. Reason: lease not expired \n",

17
fs/nfs/nfs4state.c
View File

@ -1705,7 +1705,8 @@ static int nfs4_do_reclaim(struct nfs_client *clp, const struct nfs4_state_recov
if (status < 0) {
set_bit(ops->owner_flag_bit, &sp->so_flags);
nfs4_put_state_owner(sp);
return nfs4_recovery_handle_error(clp, status);
status = nfs4_recovery_handle_error(clp, status);
return (status != 0) ? status : -EAGAIN;
}
nfs4_put_state_owner(sp);
@ -1714,7 +1715,7 @@ static int nfs4_do_reclaim(struct nfs_client *clp, const struct nfs4_state_recov
spin_unlock(&clp->cl_lock);
}
rcu_read_unlock();
return status;
return 0;
}
static int nfs4_check_lease(struct nfs_client *clp)
@ -1761,7 +1762,6 @@ static int nfs4_handle_reclaim_lease_error(struct nfs_client *clp, int status)
break;
case -NFS4ERR_STALE_CLIENTID:
clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state);
nfs4_state_clear_reclaim_reboot(clp);
nfs4_state_start_reclaim_reboot(clp);
break;
case -NFS4ERR_CLID_INUSE:
@ -2367,14 +2367,11 @@ static void nfs4_state_manager(struct nfs_client *clp)
section = "reclaim reboot";
status = nfs4_do_reclaim(clp,
clp->cl_mvops->reboot_recovery_ops);
if (test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) ||
test_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state))
continue;
nfs4_state_end_reclaim_reboot(clp);
if (test_bit(NFS4CLNT_RECLAIM_NOGRACE, &clp->cl_state))
if (status == -EAGAIN)
continue;
if (status < 0)
goto out_error;
nfs4_state_end_reclaim_reboot(clp);
}
/* Now recover expired state... */
@ -2382,9 +2379,7 @@ static void nfs4_state_manager(struct nfs_client *clp)
section = "reclaim nograce";
status = nfs4_do_reclaim(clp,
clp->cl_mvops->nograce_recovery_ops);
if (test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) ||
test_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state) ||
test_bit(NFS4CLNT_RECLAIM_REBOOT, &clp->cl_state))
if (status == -EAGAIN)
continue;
if (status < 0)
goto out_error;

3
net/sunrpc/clnt.c
View File

@ -461,6 +461,8 @@ struct rpc_clnt *rpc_create_xprt(struct rpc_create_args *args,
if (args->flags & RPC_CLNT_CREATE_AUTOBIND)
clnt->cl_autobind = 1;
if (args->flags & RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT)
clnt->cl_noretranstimeo = 1;
if (args->flags & RPC_CLNT_CREATE_DISCRTRY)
clnt->cl_discrtry = 1;
if (!(args->flags & RPC_CLNT_CREATE_QUIET))
@ -579,6 +581,7 @@ static struct rpc_clnt *__rpc_clone_client(struct rpc_create_args *args,
/* Turn off autobind on clones */
new->cl_autobind = 0;
new->cl_softrtry = clnt->cl_softrtry;
new->cl_noretranstimeo = clnt->cl_noretranstimeo;
new->cl_discrtry = clnt->cl_discrtry;
new->cl_chatty = clnt->cl_chatty;
return new;