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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>
This commit is contained in:
Trond Myklebust 2005-12-19 17:11:22 -05:00
parent 29884df0d8
commit 48e4918775
2 changed files with 6 additions and 4 deletions
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6
net/sunrpc/auth_gss/auth_gss.c
View File

@ -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;

4
net/sunrpc/rpc_pipe.c
View File

@ -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: