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[172.10.226.31]) by smtp.gmail.com with ESMTPSA id r2sm1100930ilm.17.2019.10.10.05.46.32 (version=TLS1 cipher=AES128-SHA bits=128/128); Thu, 10 Oct 2019 05:46:32 -0700 (PDT) From: Olga Kornievskaia To: trond.myklebust@hammerspace.com, anna.schumaker@netapp.com, bfields@redhat.com Cc: linux-nfs@vger.kernel.org Subject: [PATCH v8 07/20] NFS: COPY handle ERR_OFFLOAD_DENIED Date: Thu, 10 Oct 2019 08:46:09 -0400 Message-Id: <20191010124622.27812-8-olga.kornievskaia@gmail.com> X-Mailer: git-send-email 2.10.1 (Apple Git-78) In-Reply-To: <20191010124622.27812-1-olga.kornievskaia@gmail.com> References: <20191010124622.27812-1-olga.kornievskaia@gmail.com> Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org From: Olga Kornievskaia If server sends ERR_OFFLOAD_DENIED error, the client must fall back on doing copy the normal way. Return ENOTSUPP to the vfs and fallback to regular copy. Signed-off-by: Olga Kornievskaia --- fs/nfs/nfs42proc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index 6ed5a16..50538b9 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -391,7 +391,8 @@ ssize_t nfs42_proc_copy(struct file *src, loff_t pos_src, args.sync = true; dst_exception.retry = 1; continue; - } else if (err == -ESTALE && + } else if ((err == -ESTALE || + err == -NFS4ERR_OFFLOAD_DENIED) && !nfs42_files_from_same_server(src, dst)) { nfs42_do_offload_cancel_async(src, &args.src_stateid); err = -EOPNOTSUPP; -- 1.8.3.1