diff options
-rw-r--r-- | fs/nfs/nfs4proc.c | 78 |
1 files changed, 41 insertions, 37 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index fc653c3bc557..a00932c1215e 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c | |||
@@ -3457,9 +3457,11 @@ static int nfs4_proc_set_acl(struct inode *inode, const void *buf, size_t buflen | |||
3457 | } | 3457 | } |
3458 | 3458 | ||
3459 | static int | 3459 | static int |
3460 | _nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server, struct nfs_client *clp, struct nfs4_state *state) | 3460 | nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server, struct nfs4_state *state) |
3461 | { | 3461 | { |
3462 | if (!clp || task->tk_status >= 0) | 3462 | struct nfs_client *clp = server->nfs_client; |
3463 | |||
3464 | if (task->tk_status >= 0) | ||
3463 | return 0; | 3465 | return 0; |
3464 | switch(task->tk_status) { | 3466 | switch(task->tk_status) { |
3465 | case -NFS4ERR_ADMIN_REVOKED: | 3467 | case -NFS4ERR_ADMIN_REVOKED: |
@@ -3491,8 +3493,7 @@ _nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server, | |||
3491 | return -EAGAIN; | 3493 | return -EAGAIN; |
3492 | #endif /* CONFIG_NFS_V4_1 */ | 3494 | #endif /* CONFIG_NFS_V4_1 */ |
3493 | case -NFS4ERR_DELAY: | 3495 | case -NFS4ERR_DELAY: |
3494 | if (server) | 3496 | nfs_inc_server_stats(server, NFSIOS_DELAY); |
3495 | nfs_inc_server_stats(server, NFSIOS_DELAY); | ||
3496 | case -NFS4ERR_GRACE: | 3497 | case -NFS4ERR_GRACE: |
3497 | case -EKEYEXPIRED: | 3498 | case -EKEYEXPIRED: |
3498 | rpc_delay(task, NFS4_POLL_RETRY_MAX); | 3499 | rpc_delay(task, NFS4_POLL_RETRY_MAX); |
@@ -3513,12 +3514,6 @@ do_state_recovery: | |||
3513 | return -EAGAIN; | 3514 | return -EAGAIN; |
3514 | } | 3515 | } |
3515 | 3516 | ||
3516 | static int | ||
3517 | nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server, struct nfs4_state *state) | ||
3518 | { | ||
3519 | return _nfs4_async_handle_error(task, server, server->nfs_client, state); | ||
3520 | } | ||
3521 | |||
3522 | int nfs4_proc_setclientid(struct nfs_client *clp, u32 program, | 3517 | int nfs4_proc_setclientid(struct nfs_client *clp, u32 program, |
3523 | unsigned short port, struct rpc_cred *cred, | 3518 | unsigned short port, struct rpc_cred *cred, |
3524 | struct nfs4_setclientid_res *res) | 3519 | struct nfs4_setclientid_res *res) |
@@ -5088,6 +5083,19 @@ static void nfs41_sequence_release(void *data) | |||
5088 | kfree(calldata); | 5083 | kfree(calldata); |
5089 | } | 5084 | } |
5090 | 5085 | ||
5086 | static int nfs41_sequence_handle_errors(struct rpc_task *task, struct nfs_client *clp) | ||
5087 | { | ||
5088 | switch(task->tk_status) { | ||
5089 | case -NFS4ERR_DELAY: | ||
5090 | case -EKEYEXPIRED: | ||
5091 | rpc_delay(task, NFS4_POLL_RETRY_MAX); | ||
5092 | return -EAGAIN; | ||
5093 | default: | ||
5094 | nfs4_schedule_state_recovery(clp); | ||
5095 | } | ||
5096 | return 0; | ||
5097 | } | ||
5098 | |||
5091 | static void nfs41_sequence_call_done(struct rpc_task *task, void *data) | 5099 | static void nfs41_sequence_call_done(struct rpc_task *task, void *data) |
5092 | { | 5100 | { |
5093 | struct nfs4_sequence_data *calldata = data; | 5101 | struct nfs4_sequence_data *calldata = data; |
@@ -5100,9 +5108,8 @@ static void nfs41_sequence_call_done(struct rpc_task *task, void *data) | |||
5100 | if (atomic_read(&clp->cl_count) == 1) | 5108 | if (atomic_read(&clp->cl_count) == 1) |
5101 | goto out; | 5109 | goto out; |
5102 | 5110 | ||
5103 | if (_nfs4_async_handle_error(task, NULL, clp, NULL) | 5111 | if (nfs41_sequence_handle_errors(task, clp) == -EAGAIN) { |
5104 | == -EAGAIN) { | 5112 | rpc_restart_call_prepare(task); |
5105 | nfs_restart_rpc(task, clp); | ||
5106 | return; | 5113 | return; |
5107 | } | 5114 | } |
5108 | } | 5115 | } |
@@ -5175,6 +5182,23 @@ static void nfs4_reclaim_complete_prepare(struct rpc_task *task, void *data) | |||
5175 | rpc_call_start(task); | 5182 | rpc_call_start(task); |
5176 | } | 5183 | } |
5177 | 5184 | ||
5185 | static int nfs41_reclaim_complete_handle_errors(struct rpc_task *task, struct nfs_client *clp) | ||
5186 | { | ||
5187 | switch(task->tk_status) { | ||
5188 | case 0: | ||
5189 | case -NFS4ERR_COMPLETE_ALREADY: | ||
5190 | case -NFS4ERR_WRONG_CRED: /* What to do here? */ | ||
5191 | break; | ||
5192 | case -NFS4ERR_DELAY: | ||
5193 | case -EKEYEXPIRED: | ||
5194 | rpc_delay(task, NFS4_POLL_RETRY_MAX); | ||
5195 | return -EAGAIN; | ||
5196 | default: | ||
5197 | nfs4_schedule_state_recovery(clp); | ||
5198 | } | ||
5199 | return 0; | ||
5200 | } | ||
5201 | |||
5178 | static void nfs4_reclaim_complete_done(struct rpc_task *task, void *data) | 5202 | static void nfs4_reclaim_complete_done(struct rpc_task *task, void *data) |
5179 | { | 5203 | { |
5180 | struct nfs4_reclaim_complete_data *calldata = data; | 5204 | struct nfs4_reclaim_complete_data *calldata = data; |
@@ -5183,31 +5207,11 @@ static void nfs4_reclaim_complete_done(struct rpc_task *task, void *data) | |||
5183 | 5207 | ||
5184 | dprintk("--> %s\n", __func__); | 5208 | dprintk("--> %s\n", __func__); |
5185 | nfs41_sequence_done(res); | 5209 | nfs41_sequence_done(res); |
5186 | switch (task->tk_status) { | ||
5187 | case 0: | ||
5188 | case -NFS4ERR_COMPLETE_ALREADY: | ||
5189 | break; | ||
5190 | case -NFS4ERR_BADSESSION: | ||
5191 | case -NFS4ERR_DEADSESSION: | ||
5192 | /* | ||
5193 | * Handle the session error, but do not retry the operation, as | ||
5194 | * we have no way of telling whether the clientid had to be | ||
5195 | * reset before we got our reply. If reset, a new wave of | ||
5196 | * reclaim operations will follow, containing their own reclaim | ||
5197 | * complete. We don't want our retry to get on the way of | ||
5198 | * recovery by incorrectly indicating to the server that we're | ||
5199 | * done reclaiming state since the process had to be restarted. | ||
5200 | */ | ||
5201 | _nfs4_async_handle_error(task, NULL, clp, NULL); | ||
5202 | break; | ||
5203 | default: | ||
5204 | if (_nfs4_async_handle_error( | ||
5205 | task, NULL, clp, NULL) == -EAGAIN) { | ||
5206 | rpc_restart_call_prepare(task); | ||
5207 | return; | ||
5208 | } | ||
5209 | } | ||
5210 | 5210 | ||
5211 | if (nfs41_reclaim_complete_handle_errors(task, clp) == -EAGAIN) { | ||
5212 | rpc_restart_call_prepare(task); | ||
5213 | return; | ||
5214 | } | ||
5211 | dprintk("<-- %s\n", __func__); | 5215 | dprintk("<-- %s\n", __func__); |
5212 | } | 5216 | } |
5213 | 5217 | ||