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pNFS/files: Handle RDMA connection errors correctly 

The RPC/RDMA driver will return -EPROTO and -ENODEV as connection errors
under certain circumstances. Make sure that we handle them correctly and
avoid cycling forever in a LAYOUTGET/LAYOUTRETURN loop.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2022-05-18 17:08:58 -04:00
parent 7836d75467
commit 431794e67e
1 changed files with 2 additions and 0 deletions
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2
fs/nfs/filelayout/filelayout.c
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@ -181,6 +181,8 @@ static int filelayout_async_handle_error(struct rpc_task *task,
case -EIO: case -EIO:
case -ETIMEDOUT: case -ETIMEDOUT:
case -EPIPE: case -EPIPE:
case -EPROTO:
case -ENODEV:
dprintk("%s DS connection error %d\n", __func__, dprintk("%s DS connection error %d\n", __func__,
task->tk_status); task->tk_status);
nfs4_mark_deviceid_unavailable(devid); nfs4_mark_deviceid_unavailable(devid);