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NFSv4.x: Fail client initialisation if state manager thread can't run

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[ Upstream commit b4e4f66901 ]

If the state manager thread fails to start, then we should just mark the
client initialisation as failed so that other processes or threads don't
get stuck in nfs_wait_client_init_complete().

Reported-by: ChenXiaoSong <chenxiaosong2@huawei.com>
Fixes: 4697bd5e94 ("NFSv4: Fix a race in the net namespace mount notification")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Trond Myklebust 2022-12-06 12:42:59 -05:00 committed by Greg Kroah-Hartman
parent a89715bc95
commit 86c1f5d5f4
1 changed files with 2 additions and 0 deletions
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2
fs/nfs/nfs4state.c
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@ -1230,6 +1230,8 @@ void nfs4_schedule_state_manager(struct nfs_client *clp)
if (IS_ERR(task)) {
printk(KERN_ERR "%s: kthread_run: %ld\n",
__func__, PTR_ERR(task));
if (!nfs_client_init_is_complete(clp))
nfs_mark_client_ready(clp, PTR_ERR(task));
nfs4_clear_state_manager_bit(clp);
clear_bit(NFS4CLNT_MANAGER_AVAILABLE, &clp->cl_state);
nfs_put_client(clp);