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NFS handle COPY ERR_OFFLOAD_NO_REQS

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If client sent async COPY and server replied with
ERR_OFFLOAD_NO_REQS, client should retry with a synchronous copy.

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Olga Kornievskaia 2018-07-09 15:13:35 -04:00 committed by Anna Schumaker
parent c975c20926
commit 539f57b3e0
1 changed files with 5 additions and 1 deletions
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6
fs/nfs/nfs42proc.c
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@ -316,7 +316,11 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src,
if (err == -ENOTSUPP) {
err = -EOPNOTSUPP;
break;
} if (err == -EAGAIN) {
} else if (err == -EAGAIN) {
dst_exception.retry = 1;
continue;
} else if (err == -NFS4ERR_OFFLOAD_NO_REQS && !args.sync) {
args.sync = true;
dst_exception.retry = 1;
continue;
}