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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-03-20 13:44:49 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-03-20 13:44:49 -0500 |
| commit | 5428154827c2bf7cfdc9dab60db1e0eaa57c027a (patch) | |
| tree | ec2e6c9119ad76cad353a50da2be3ac71adbf54d /net/sunrpc/clnt.c | |
| parent | a9a801787a761616589a6526d7a29c13f4deb3d8 (diff) | |
| download | lwn-5428154827c2bf7cfdc9dab60db1e0eaa57c027a.tar.gz lwn-5428154827c2bf7cfdc9dab60db1e0eaa57c027a.zip | |
SUNRPC: Fix a 'Busy inodes' error in rpc_pipefs
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/clnt.c')
| -rw-r--r-- | net/sunrpc/clnt.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 0bb23e8e9d0c..9f775302d1df 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -70,8 +70,15 @@ rpc_setup_pipedir(struct rpc_clnt *clnt, char *dir_name) static uint32_t clntid; int error; + clnt->cl_vfsmnt = ERR_PTR(-ENOENT); + clnt->cl_dentry = ERR_PTR(-ENOENT); if (dir_name == NULL) return 0; + + clnt->cl_vfsmnt = rpc_get_mount(); + if (IS_ERR(clnt->cl_vfsmnt)) + return PTR_ERR(clnt->cl_vfsmnt); + for (;;) { snprintf(clnt->cl_pathname, sizeof(clnt->cl_pathname), "%s/clnt%x", dir_name, @@ -84,6 +91,7 @@ rpc_setup_pipedir(struct rpc_clnt *clnt, char *dir_name) if (error != -EEXIST) { printk(KERN_INFO "RPC: Couldn't create pipefs entry %s, error %d\n", clnt->cl_pathname, error); + rpc_put_mount(); return error; } } @@ -175,7 +183,11 @@ rpc_new_client(struct rpc_xprt *xprt, char *servname, return clnt; out_no_auth: - rpc_rmdir(clnt->cl_pathname); + if (!IS_ERR(clnt->cl_dentry)) { + rpc_rmdir(clnt->cl_pathname); + dput(clnt->cl_dentry); + rpc_put_mount(); + } out_no_path: if (clnt->cl_server != clnt->cl_inline_name) kfree(clnt->cl_server); @@ -240,13 +252,15 @@ rpc_clone_client(struct rpc_clnt *clnt) new->cl_autobind = 0; new->cl_oneshot = 0; new->cl_dead = 0; - dget(new->cl_dentry); + if (!IS_ERR(new->cl_dentry)) { + dget(new->cl_dentry); + rpc_get_mount(); + } rpc_init_rtt(&new->cl_rtt_default, clnt->cl_xprt->timeout.to_initval); if (new->cl_auth) atomic_inc(&new->cl_auth->au_count); new->cl_pmap = &new->cl_pmap_default; new->cl_metrics = rpc_alloc_iostats(clnt); - rpc_init_wait_queue(&new->cl_pmap_default.pm_bindwait, "bindwait"); return new; out_no_clnt: printk(KERN_INFO "RPC: out of memory in %s\n", __FUNCTION__); @@ -318,8 +332,10 @@ rpc_destroy_client(struct rpc_clnt *clnt) out_free: rpc_free_iostats(clnt->cl_metrics); clnt->cl_metrics = NULL; - if (clnt->cl_dentry) + if (!IS_ERR(clnt->cl_dentry)) { dput(clnt->cl_dentry); + rpc_put_mount(); + } kfree(clnt); return 0; } |