From: Olga Kornievskaia <olga.kornievskaia@gmail.com>
To: trond.myklebust@hammerspace.com, anna.schumaker@netapp.com,
viro@zeniv.linux.org.uk, smfrench@gmail.com, miklos@szeredi.hu
Cc: linux-nfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-cifs@vger.kernel.org, linux-unionfs@vger.kernel.org
Subject: [PATCH v8 10/11] NFS: COPY handle ERR_OFFLOAD_DENIED
Date: Thu, 1 Nov 2018 12:45:22 -0400 [thread overview]
Message-ID: <20181101164523.41812-11-olga.kornievskaia@gmail.com> (raw)
In-Reply-To: <20181101164523.41812-1-olga.kornievskaia@gmail.com>
From: Olga Kornievskaia <kolga@netapp.com>
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 <kolga@netapp.com>
---
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 00809b3..c7c2ffa 100644
--- a/fs/nfs/nfs42proc.c
+++ b/fs/nfs/nfs42proc.c
@@ -395,7 +395,8 @@ 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
next prev parent reply other threads:[~2018-11-01 16:45 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-01 16:45 [PATCH v8 00/11] client-side support for "inter" SSC copy Olga Kornievskaia
2018-11-01 16:45 ` [PATCH v8 01/11] VFS: move cross device copy_file_range() check into filesystems Olga Kornievskaia
2018-11-01 16:45 ` [PATCH v8 02/11] NFS: validity check for source offset in copy_file_range Olga Kornievskaia
2018-11-01 16:45 ` Olga Kornievskaia
2018-11-01 16:45 ` [PATCH v8 03/11] NFS NFSD: defining nl4_servers structure needed by both Olga Kornievskaia
2018-11-01 16:45 ` [PATCH v8 04/11] NFS: add COPY_NOTIFY operation Olga Kornievskaia
2018-11-01 16:45 ` [PATCH v8 05/11] NFS: add ca_source_server<> to COPY Olga Kornievskaia
2018-11-01 16:45 ` [PATCH v8 06/11] NFS: also send OFFLOAD_CANCEL to source server Olga Kornievskaia
2018-11-01 16:45 ` [PATCH v8 07/11] NFS: inter ssc open Olga Kornievskaia
2018-11-01 16:45 ` [PATCH v8 08/11] NFS: skip recovery of copy open on dest server Olga Kornievskaia
2018-11-01 16:45 ` [PATCH v8 09/11] NFS: for "inter" copy treat ESTALE as ENOTSUPP Olga Kornievskaia
2018-11-01 16:45 ` Olga Kornievskaia [this message]
2018-11-01 16:45 ` [PATCH v8 11/11] NFS: replace cross device check in copy_file_range Olga Kornievskaia
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