diff options
Diffstat (limited to 'fs/nfsd/nfssvc.c')
| -rw-r--r-- | fs/nfsd/nfssvc.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index d68cd056b281..675d395c4ab6 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -34,6 +34,7 @@ #include <linux/nfsd/syscall.h> #include <linux/lockd/bind.h> #include <linux/nfsacl.h> +#include <linux/seq_file.h> #define NFSDDBG_FACILITY NFSDDBG_SVC @@ -614,7 +615,25 @@ nfsd_dispatch(struct svc_rqst *rqstp, __be32 *statp) int nfsd_pool_stats_open(struct inode *inode, struct file *file) { - if (nfsd_serv == NULL) + int ret; + mutex_lock(&nfsd_mutex); + if (nfsd_serv == NULL) { + mutex_unlock(&nfsd_mutex); return -ENODEV; - return svc_pool_stats_open(nfsd_serv, file); + } + /* bump up the psudo refcount while traversing */ + svc_get(nfsd_serv); + ret = svc_pool_stats_open(nfsd_serv, file); + mutex_unlock(&nfsd_mutex); + return ret; +} + +int nfsd_pool_stats_release(struct inode *inode, struct file *file) +{ + int ret = seq_release(inode, file); + mutex_lock(&nfsd_mutex); + /* this function really, really should have been called svc_put() */ + svc_destroy(nfsd_serv); + mutex_unlock(&nfsd_mutex); + return ret; } |