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NFSv4: Handle fatal ENETDOWN and ENETUNREACH errors

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Ensure that the NFSv4 error handling code recognises the
RPC_TASK_NETUNREACH_FATAL flag, and handles the ENETDOWN and ENETUNREACH
errors accordingly.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
This commit is contained in:
Trond Myklebust 2025-04-06 10:38:52 +02:00
parent b4432656b3
commit 2d7f844ffa
1 changed files with 9 additions and 0 deletions
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9
fs/nfs/nfs4proc.c
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@ -671,6 +671,15 @@ nfs4_async_handle_exception(struct rpc_task *task, struct nfs_server *server,
struct nfs_client *clp = server->nfs_client;
int ret;
if ((task->tk_rpc_status == -ENETDOWN ||
task->tk_rpc_status == -ENETUNREACH) &&
task->tk_flags & RPC_TASK_NETUNREACH_FATAL) {
exception->delay = 0;
exception->recovering = 0;
exception->retry = 0;
return -EIO;
}
ret = nfs4_do_handle_exception(server, errorcode, exception);
if (exception->delay) {
int ret2 = nfs4_exception_should_retrans(server, exception);