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nfs41: use rpc prepare call state for session reset 

[nfs41: change nfs4_restart_rpc argument]
[nfs41: check for session not minorversion]
[nfs41: trigger the state manager for session reset]
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[always define nfs4_restart_rpc]
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Andy Adamson 2009-04-01 09:22:41 -04:00 committed by Benny Halevy
parent aae2006e9b
commit eedc020e71
5 changed files with 41 additions and 25 deletions
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39
fs/nfs/internal.h
View File

@ -2,6 +2,7 @@
* NFS internal definitions
*/
#include "nfs4_fs.h"
#include <linux/mount.h>
#include <linux/security.h>
@ -17,6 +18,18 @@ struct nfs_string;
*/
#define NFS_MAX_READAHEAD (RPC_DEF_SLOT_TABLE - 1)
/*
* Determine if sessions are in use.
*/
static inline int nfs4_has_session(const struct nfs_client *clp)
{
#ifdef CONFIG_NFS_V4_1
if (clp->cl_session)
return 1;
#endif /* CONFIG_NFS_V4_1 */
return 0;
}
struct nfs_clone_mount {
const struct super_block *sb;
const struct dentry *dentry;
@ -148,6 +161,20 @@ extern __be32 * nfs_decode_dirent(__be32 *, struct nfs_entry *, int);
extern struct rpc_procinfo nfs3_procedures[];
extern __be32 *nfs3_decode_dirent(__be32 *, struct nfs_entry *, int);
/* nfs4proc.c */
static inline void nfs4_restart_rpc(struct rpc_task *task,
const struct nfs_client *clp)
{
#ifdef CONFIG_NFS_V4_1
if (nfs4_has_session(clp) &&
test_bit(NFS4CLNT_SESSION_SETUP, &clp->cl_state)) {
rpc_restart_call_prepare(task);
return;
}
#endif /* CONFIG_NFS_V4_1 */
rpc_restart_call(task);
}
/* nfs4xdr.c */
#ifdef CONFIG_NFS_V4
extern __be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus);
@ -225,18 +252,6 @@ extern int _nfs4_call_sync_session(struct nfs_server *server,
struct nfs4_sequence_res *res,
int cache_reply);
/*
* Determine if sessions are in use.
*/
static inline int nfs4_has_session(const struct nfs_client *clp)
{
#ifdef CONFIG_NFS_V4_1
if (clp->cl_session)
return 1;
#endif /* CONFIG_NFS_V4_1 */
return 0;
}
#ifdef CONFIG_NFS_V4_1
extern void nfs41_sequence_free_slot(const struct nfs_client *,
struct nfs4_sequence_res *res);

15
fs/nfs/nfs4proc.c
View File

@ -1661,7 +1661,7 @@ static void nfs4_close_done(struct rpc_task *task, void *data)
break;
default:
if (nfs4_async_handle_error(task, server, state) == -EAGAIN) {
rpc_restart_call(task);
nfs4_restart_rpc(task, server->nfs_client);
return;
}
}
@ -2874,7 +2874,7 @@ static int nfs4_read_done(struct rpc_task *task, struct nfs_read_data *data)
nfs4_sequence_done(server, &data->res.seq_res, task->tk_status);
if (nfs4_async_handle_error(task, server, data->args.context->state) == -EAGAIN) {
rpc_restart_call(task);
nfs4_restart_rpc(task, server->nfs_client);
return -EAGAIN;
}
@ -2899,7 +2899,7 @@ static int nfs4_write_done(struct rpc_task *task, struct nfs_write_data *data)
task->tk_status);
if (nfs4_async_handle_error(task, NFS_SERVER(inode), data->args.context->state) == -EAGAIN) {
rpc_restart_call(task);
nfs4_restart_rpc(task, NFS_SERVER(inode)->nfs_client);
return -EAGAIN;
}
if (task->tk_status >= 0) {
@ -2927,7 +2927,7 @@ static int nfs4_commit_done(struct rpc_task *task, struct nfs_write_data *data)
nfs4_sequence_done(NFS_SERVER(inode), &data->res.seq_res,
task->tk_status);
if (nfs4_async_handle_error(task, NFS_SERVER(inode), NULL) == -EAGAIN) {
rpc_restart_call(task);
nfs4_restart_rpc(task, NFS_SERVER(inode)->nfs_client);
return -EAGAIN;
}
nfs4_sequence_free_slot(NFS_SERVER(inode)->nfs_client,
@ -3628,7 +3628,8 @@ static void nfs4_locku_done(struct rpc_task *task, void *data)
break;
default:
if (nfs4_async_handle_error(task, calldata->server, NULL) == -EAGAIN)
rpc_restart_call(task);
nfs4_restart_rpc(task,
calldata->server->nfs_client);
}
nfs4_sequence_free_slot(calldata->server->nfs_client,
&calldata->res.seq_res);
@ -4237,7 +4238,7 @@ static void nfs4_get_lease_time_done(struct rpc_task *task, void *calldata)
dprintk("%s Retry: tk_status %d\n", __func__, task->tk_status);
rpc_delay(task, NFS4_POLL_RETRY_MIN);
task->tk_status = 0;
rpc_restart_call(task);
nfs4_restart_rpc(task, data->clp);
return;
}
nfs41_sequence_free_slot(data->clp, &data->res->lr_seq_res);
@ -4647,7 +4648,7 @@ void nfs41_sequence_call_done(struct rpc_task *task, void *data)
if (_nfs4_async_handle_error(task, NULL, clp, NULL)
== -EAGAIN) {
rpc_restart_call(task);
nfs4_restart_rpc(task, clp);
return;
}
}

2
fs/nfs/read.c
View File

@ -371,7 +371,7 @@ static void nfs_readpage_retry(struct rpc_task *task, struct nfs_read_data *data
argp->offset += resp->count;
argp->pgbase += resp->count;
argp->count -= resp->count;
rpc_restart_call(task);
nfs4_restart_rpc(task, NFS_SERVER(data->inode)->nfs_client);
return;
out:
nfs4_sequence_free_slot(NFS_SERVER(data->inode)->nfs_client,

2
fs/nfs/unlink.c
View File

@ -83,7 +83,7 @@ static void nfs_async_unlink_done(struct rpc_task *task, void *calldata)
struct inode *dir = data->dir;
if (!NFS_PROTO(dir)->unlink_done(task, dir))
rpc_restart_call(task);
nfs4_restart_rpc(task, NFS_SERVER(dir)->nfs_client);
}
/**

8
fs/nfs/write.c
View File

@ -1145,6 +1145,7 @@ int nfs_writeback_done(struct rpc_task *task, struct nfs_write_data *data)
{
struct nfs_writeargs *argp = &data->args;
struct nfs_writeres *resp = &data->res;
struct nfs_server *server = NFS_SERVER(data->inode);
int status;
dprintk("NFS: %5u nfs_writeback_done (status %d)\n",
@ -1177,7 +1178,7 @@ int nfs_writeback_done(struct rpc_task *task, struct nfs_write_data *data)
if (time_before(complain, jiffies)) {
dprintk("NFS: faulty NFS server %s:"
" (committed = %d) != (stable = %d)\n",
NFS_SERVER(data->inode)->nfs_client->cl_hostname,
server->nfs_client->cl_hostname,
resp->verf->committed, argp->stable);
complain = jiffies + 300 * HZ;
}
@ -1203,7 +1204,7 @@ int nfs_writeback_done(struct rpc_task *task, struct nfs_write_data *data)
*/
argp->stable = NFS_FILE_SYNC;
}
rpc_restart_call(task);
nfs4_restart_rpc(task, server->nfs_client);
return -EAGAIN;
}
if (time_before(complain, jiffies)) {
@ -1215,8 +1216,7 @@ int nfs_writeback_done(struct rpc_task *task, struct nfs_write_data *data)
/* Can't do anything about it except throw an error. */
task->tk_status = -EIO;
}
nfs4_sequence_free_slot(NFS_SERVER(data->inode)->nfs_client,
&data->res.seq_res);
nfs4_sequence_free_slot(server->nfs_client, &data->res.seq_res);
return 0;
}