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NFSv4.1: Don't loop forever in nfs4_proc_create_session

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If a server for some reason keeps sending NFS4ERR_DELAY errors, we can end
up looping forever inside nfs4_proc_create_session, and so the usual
mechanisms for detecting if the nfs_client is dead don't work.

Fix this by ensuring that we loop inside the nfs4_state_manager thread
instead.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2011-04-24 14:28:18 -04:00
parent fb8a5ba811
commit fd954ae124
4 changed files with 40 additions and 53 deletions
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1
include/linux/nfs_fs_sb.h
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@ -47,6 +47,7 @@ struct nfs_client {
#ifdef CONFIG_NFS_V4
u64 cl_clientid; /* constant */
nfs4_verifier cl_confirm; /* Clientid verifier */
unsigned long cl_state;
spinlock_t cl_lock;