NFSv4.2: fix handling of COPY ERR_OFFLOAD_NO_REQ

[ Upstream commit 5690eed941 ]

If the client sent a synchronous copy and the server replied with
ERR_OFFLOAD_NO_REQ indicating that it wants an asynchronous
copy instead, the client should retry with asynchronous copy.

Fixes: 539f57b3e0 ("NFS handle COPY ERR_OFFLOAD_NO_REQS")
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Olga Kornievskaia 2023-08-24 16:43:53 -04:00 committed by Greg Kroah-Hartman
parent fdbc9637bf
commit 4030ace74d
1 changed files with 3 additions and 2 deletions

View File

@ -470,8 +470,9 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src,
continue;
}
break;
} else if (err == -NFS4ERR_OFFLOAD_NO_REQS && !args.sync) {
args.sync = true;
} else if (err == -NFS4ERR_OFFLOAD_NO_REQS &&
args.sync != res.synchronous) {
args.sync = res.synchronous;
dst_exception.retry = 1;
continue;
} else if ((err == -ESTALE ||