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NFS: add more context to state manager error mesgs 

Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Weston Andros Adamson 2012-05-29 15:57:59 -04:00 committed by Trond Myklebust
parent f8bb7f0854
commit 8ed27d4fb1
1 changed files with 14 additions and 2 deletions
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16
fs/nfs/nfs4state.c
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@ -1857,10 +1857,12 @@ static int nfs4_bind_conn_to_session(struct nfs_client *clp)
static void nfs4_state_manager(struct nfs_client *clp)
{
int status = 0;
const char *section = "", *section_sep = "";
/* Ensure exclusive access to NFSv4 state */
do {
if (test_bit(NFS4CLNT_PURGE_STATE, &clp->cl_state)) {
section = "purge state";
status = nfs4_reclaim_lease(clp);
if (status < 0)
goto out_error;
@ -1869,6 +1871,7 @@ static void nfs4_state_manager(struct nfs_client *clp)
}
if (test_and_clear_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state)) {
section = "lease expired";
/* We're going to have to re-establish a clientid */
status = nfs4_reclaim_lease(clp);
if (status < 0)
@ -1888,6 +1891,7 @@ static void nfs4_state_manager(struct nfs_client *clp)
}
if (test_and_clear_bit(NFS4CLNT_CHECK_LEASE, &clp->cl_state)) {
section = "check lease";
status = nfs4_check_lease(clp);
if (status < 0)
goto out_error;
@ -1898,6 +1902,7 @@ static void nfs4_state_manager(struct nfs_client *clp)
/* Initialize or reset the session */
if (test_and_clear_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state)
&& nfs4_has_session(clp)) {
section = "reset session";
status = nfs4_reset_session(clp);
if (test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
continue;
@ -1908,6 +1913,7 @@ static void nfs4_state_manager(struct nfs_client *clp)
/* Send BIND_CONN_TO_SESSION */
if (test_and_clear_bit(NFS4CLNT_BIND_CONN_TO_SESSION,
&clp->cl_state) && nfs4_has_session(clp)) {
section = "bind conn to session";
status = nfs4_bind_conn_to_session(clp);
if (status < 0)
goto out_error;
@ -1916,6 +1922,7 @@ static void nfs4_state_manager(struct nfs_client *clp)
/* First recover reboot state... */
if (test_bit(NFS4CLNT_RECLAIM_REBOOT, &clp->cl_state)) {
section = "reclaim reboot";
status = nfs4_do_reclaim(clp,
clp->cl_mvops->reboot_recovery_ops);
if (test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) ||
@ -1930,6 +1937,7 @@ static void nfs4_state_manager(struct nfs_client *clp)
/* Now recover expired state... */
if (test_and_clear_bit(NFS4CLNT_RECLAIM_NOGRACE, &clp->cl_state)) {
section = "reclaim nograce";
status = nfs4_do_reclaim(clp,
clp->cl_mvops->nograce_recovery_ops);
if (test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) ||
@ -1948,6 +1956,7 @@ static void nfs4_state_manager(struct nfs_client *clp)
/* Recall session slots */
if (test_and_clear_bit(NFS4CLNT_RECALL_SLOT, &clp->cl_state)
&& nfs4_has_session(clp)) {
section = "recall slot";
status = nfs4_recall_slot(clp);
if (status < 0)
goto out_error;
@ -1964,8 +1973,11 @@ static void nfs4_state_manager(struct nfs_client *clp)
} while (atomic_read(&clp->cl_count) > 1);
return;
out_error:
pr_warn_ratelimited("NFS: state manager failed on NFSv4 server %s"
" with error %d\n", clp->cl_hostname, -status);
if (strlen(section))
section_sep = ": ";
pr_warn_ratelimited("NFS: state manager%s%s failed on NFSv4 server %s"
" with error %d\n", section_sep, section,
clp->cl_hostname, -status);
nfs4_end_drain_session(clp);
nfs4_clear_state_manager_bit(clp);
}