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authorJ. Bruce Fields <bfields@citi.umich.edu>2009-09-15 15:56:50 -0400
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-09-15 20:49:33 -0400
commit29ab23cc5d351658d01a4327d55e9106a73fd04f (patch)
tree8df00000a93e783f4bc152c20a437338a4f57fde
parent5d351754fcf58d1a604aa7cf95c2805e8a098ad9 (diff)
nfsd4: allow nfs4 state startup to fail
The failure here is pretty unlikely, but we should handle it anyway. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
-rw-r--r--fs/nfsd/nfs4state.c17
-rw-r--r--fs/nfsd/nfssvc.c4
-rw-r--r--include/linux/nfsd/nfsd.h4
3 files changed, 17 insertions, 8 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 46e9ac52687..11db40cb2f2 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -4004,7 +4004,7 @@ set_max_delegations(void)
/* initialization to perform when the nfsd service is started: */
-static void
+static int
__nfs4_state_start(void)
{
unsigned long grace_time;
@@ -4016,19 +4016,26 @@ __nfs4_state_start(void)
printk(KERN_INFO "NFSD: starting %ld-second grace period\n",
grace_time/HZ);
laundry_wq = create_singlethread_workqueue("nfsd4");
+ if (laundry_wq == NULL)
+ return -ENOMEM;
queue_delayed_work(laundry_wq, &laundromat_work, grace_time);
set_max_delegations();
+ return 0;
}
-void
+int
nfs4_state_start(void)
{
+ int ret;
+
if (nfs4_init)
- return;
+ return 0;
nfsd4_load_reboot_recovery_data();
- __nfs4_state_start();
+ ret = __nfs4_state_start();
+ if (ret)
+ return ret;
nfs4_init = 1;
- return;
+ return 0;
}
time_t
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index 4472449c093..fcc00108826 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -411,7 +411,9 @@ nfsd_svc(unsigned short port, int nrservs)
error = nfsd_racache_init(2*nrservs);
if (error<0)
goto out;
- nfs4_state_start();
+ error = nfs4_state_start();
+ if (error)
+ goto out;
nfsd_reset_versions();
diff --git a/include/linux/nfsd/nfsd.h b/include/linux/nfsd/nfsd.h
index 2812ed52669..24fdf89cea8 100644
--- a/include/linux/nfsd/nfsd.h
+++ b/include/linux/nfsd/nfsd.h
@@ -166,7 +166,7 @@ extern int nfsd_max_blksize;
extern unsigned int max_delegations;
int nfs4_state_init(void);
void nfsd4_free_slabs(void);
-void nfs4_state_start(void);
+int nfs4_state_start(void);
void nfs4_state_shutdown(void);
time_t nfs4_lease_time(void);
void nfs4_reset_lease(time_t leasetime);
@@ -174,7 +174,7 @@ int nfs4_reset_recoverydir(char *recdir);
#else
static inline int nfs4_state_init(void) { return 0; }
static inline void nfsd4_free_slabs(void) { }
-static inline void nfs4_state_start(void) { }
+static inline int nfs4_state_start(void) { }
static inline void nfs4_state_shutdown(void) { }
static inline time_t nfs4_lease_time(void) { return 0; }
static inline void nfs4_reset_lease(time_t leasetime) { }