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authorTrond Myklebust <trond.myklebust@primarydata.com>2014-09-30 17:21:41 -0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2014-09-30 17:21:41 -0400
commit72c23f0819977d37924af92a42a9b7fbfd1c95d8 (patch)
treea0c10114d96c40f8e38887c346ec593a51321781 /fs/nfs
parent3fc3edf141fd78f624194eb89d7b37ff86138422 (diff)
parentd1f456b0b9545f1606a54cd17c20775f159bd2ce (diff)
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
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/client.c2
-rw-r--r--fs/nfs/fscache-index.c3
-rw-r--r--fs/nfs/nfs4client.c38
-rw-r--r--fs/nfs/nfs4proc.c42
-rw-r--r--fs/nfs/nfs4renewd.c12
-rw-r--r--fs/nfs/nfs4state.c17
6 files changed, 61 insertions, 53 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 8052020a0d0d..f9f4845db989 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -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));
}
diff --git a/fs/nfs/fscache-index.c b/fs/nfs/fscache-index.c
index 7cf2c4699b08..777b055063f6 100644
--- a/fs/nfs/fscache-index.c
+++ b/fs/nfs/fscache-index.c
@@ -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;
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index 53e435a95260..ffdb28d86cf8 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -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;
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 45bce9ed6791..5aa55c132aa2 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -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);
diff --git a/fs/nfs/nfs4renewd.c b/fs/nfs/nfs4renewd.c
index 1720d32ffa54..e1ba58c3d1ad 100644
--- a/fs/nfs/nfs4renewd.c
+++ b/fs/nfs/nfs4renewd.c
@@ -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",
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 6678769e1a54..5194933ed419 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1705,7 +1705,8 @@ restart:
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 @@ restart:
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;