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authorTrond Myklebust <Trond.Myklebust@netapp.com>2005-12-19 17:11:22 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2005-12-19 23:12:21 -0500
commit48e49187753ec3b4fa84a7165c9b7a59f3875b56 (patch)
tree7f20c20f2b4e653ba49d0b6639039e47607a409c /net/sunrpc
parent29884df0d89c1df0dec3449405bc41569bb44800 (diff)
SUNRPC: Fix "EPIPE" error on mount of rpcsec_gss-protected partitions
gss_create_upcall() should not error just because rpc.gssd closed the pipe on its end. Instead, it should requeue the pending requests and then retry. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/auth_gss/auth_gss.c6
-rw-r--r--net/sunrpc/rpc_pipe.c4
2 files changed, 6 insertions, 4 deletions
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index f44f46f1d8e..8d782282ec1 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -638,7 +638,7 @@ gss_pipe_destroy_msg(struct rpc_pipe_msg *msg)
638 gss_msg); 638 gss_msg);
639 atomic_inc(&gss_msg->count); 639 atomic_inc(&gss_msg->count);
640 gss_unhash_msg(gss_msg); 640 gss_unhash_msg(gss_msg);
641 if (msg->errno == -ETIMEDOUT || msg->errno == -EPIPE) { 641 if (msg->errno == -ETIMEDOUT) {
642 unsigned long now = jiffies; 642 unsigned long now = jiffies;
643 if (time_after(now, ratelimit)) { 643 if (time_after(now, ratelimit)) {
644 printk(KERN_WARNING "RPC: AUTH_GSS upcall timed out.\n" 644 printk(KERN_WARNING "RPC: AUTH_GSS upcall timed out.\n"
@@ -786,7 +786,9 @@ gss_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int taskflags)
786 cred->gc_flags = 0; 786 cred->gc_flags = 0;
787 cred->gc_base.cr_ops = &gss_credops; 787 cred->gc_base.cr_ops = &gss_credops;
788 cred->gc_service = gss_auth->service; 788 cred->gc_service = gss_auth->service;
789 err = gss_create_upcall(gss_auth, cred); 789 do {
790 err = gss_create_upcall(gss_auth, cred);
791 } while (err == -EAGAIN);
790 if (err < 0) 792 if (err < 0)
791 goto out_err; 793 goto out_err;
792 794
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index c76ea221798..16a2458f38f 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -174,7 +174,7 @@ rpc_pipe_release(struct inode *inode, struct file *filp)
174 goto out; 174 goto out;
175 msg = (struct rpc_pipe_msg *)filp->private_data; 175 msg = (struct rpc_pipe_msg *)filp->private_data;
176 if (msg != NULL) { 176 if (msg != NULL) {
177 msg->errno = -EPIPE; 177 msg->errno = -EAGAIN;
178 list_del_init(&msg->list); 178 list_del_init(&msg->list);
179 rpci->ops->destroy_msg(msg); 179 rpci->ops->destroy_msg(msg);
180 } 180 }
@@ -183,7 +183,7 @@ rpc_pipe_release(struct inode *inode, struct file *filp)
183 if (filp->f_mode & FMODE_READ) 183 if (filp->f_mode & FMODE_READ)
184 rpci->nreaders --; 184 rpci->nreaders --;
185 if (!rpci->nreaders) 185 if (!rpci->nreaders)
186 __rpc_purge_upcall(inode, -EPIPE); 186 __rpc_purge_upcall(inode, -EAGAIN);
187 if (rpci->ops->release_pipe) 187 if (rpci->ops->release_pipe)
188 rpci->ops->release_pipe(inode); 188 rpci->ops->release_pipe(inode);
189out: 189out: