This is a note to let you know that I've just added the patch titled
NFSv4.2: fix handling of COPY ERR_OFFLOAD_NO_REQ
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
nfsv4.2-fix-handling-of-copy-err_offload_no_req.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit a574afb10ff84ff91e76787da9bc871d392f5932
Author: Olga Kornievskaia <kolga@xxxxxxxxxx>
Date: Thu Aug 24 16:43:53 2023 -0400
NFSv4.2: fix handling of COPY ERR_OFFLOAD_NO_REQ
[ Upstream commit 5690eed941ab7e33c3c3d6b850100cabf740f075 ]
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: 539f57b3e0fd ("NFS handle COPY ERR_OFFLOAD_NO_REQS")
Signed-off-by: Olga Kornievskaia <kolga@xxxxxxxxxx>
Signed-off-by: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c
index bc07012741cb4..2975bbc33d280 100644
--- a/fs/nfs/nfs42proc.c
+++ b/fs/nfs/nfs42proc.c
@@ -462,8 +462,9 @@ 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 ||
