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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)
gss_msg);
atomic_inc(&gss_msg->count);
gss_unhash_msg(gss_msg);
- if (msg->errno == -ETIMEDOUT || msg->errno == -EPIPE) {
+ if (msg->errno == -ETIMEDOUT) {
unsigned long now = jiffies;
if (time_after(now, ratelimit)) {
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)
cred->gc_flags = 0;
cred->gc_base.cr_ops = &gss_credops;
cred->gc_service = gss_auth->service;
- err = gss_create_upcall(gss_auth, cred);
+ do {
+ err = gss_create_upcall(gss_auth, cred);
+ } while (err == -EAGAIN);
if (err < 0)
goto out_err;
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)
goto out;
msg = (struct rpc_pipe_msg *)filp->private_data;
if (msg != NULL) {
- msg->errno = -EPIPE;
+ msg->errno = -EAGAIN;
list_del_init(&msg->list);
rpci->ops->destroy_msg(msg);
}
@@ -183,7 +183,7 @@ rpc_pipe_release(struct inode *inode, struct file *filp)
if (filp->f_mode & FMODE_READ)
rpci->nreaders --;
if (!rpci->nreaders)
- __rpc_purge_upcall(inode, -EPIPE);
+ __rpc_purge_upcall(inode, -EAGAIN);
if (rpci->ops->release_pipe)
rpci->ops->release_pipe(inode);
out: