From: Steve Dickson <steved@redhat.com>
To: Linux NFS Mailing list <linux-nfs@vger.kernel.org>
Subject: [PATCH 1/1] nfsd4_copy: Adds the ability to do inter server to server on an export
Date: Thu, 28 Oct 2021 10:48:51 -0400 [thread overview]
Message-ID: <20211028144851.644018-2-steved@redhat.com> (raw)
In-Reply-To: <20211028144851.644018-1-steved@redhat.com>
This adds the 's2sc' export option allowing inter server
to server copies on the destination server.
Signed-off-by: Steve Dickson <steved@redhat.com>
---
fs/nfsd/nfs4proc.c | 3 ++-
include/uapi/linux/nfsd/export.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 486c5dba4b65..df3ca5f7f86f 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1654,9 +1654,10 @@ nfsd4_copy(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
struct nfsd4_copy *copy = &u->copy;
__be32 status;
struct nfsd4_copy *async_copy = NULL;
+ int s2sc = (cstate->current_fh.fh_export->ex_flags & NFSEXP_S2SC);
if (!copy->cp_intra) { /* Inter server SSC */
- if (!inter_copy_offload_enable || copy->cp_synchronous) {
+ if (s2sc == 0 && (!inter_copy_offload_enable || copy->cp_synchronous)) {
status = nfserr_notsupp;
goto out;
}
diff --git a/include/uapi/linux/nfsd/export.h b/include/uapi/linux/nfsd/export.h
index 2124ba904779..53ba8d989689 100644
--- a/include/uapi/linux/nfsd/export.h
+++ b/include/uapi/linux/nfsd/export.h
@@ -53,6 +53,7 @@
*/
#define NFSEXP_V4ROOT 0x10000
#define NFSEXP_PNFS 0x20000
+#define NFSEXP_S2SC 0x40000
/* All flags that we claim to support. (Note we don't support NOACL.) */
#define NFSEXP_ALLFLAGS 0x3FEFF
--
2.31.1
next prev parent reply other threads:[~2021-10-28 14:49 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-28 14:48 [PATCH 0/1] Enable inter server to server copies on a export Steve Dickson
2021-10-28 14:48 ` Steve Dickson [this message]
2021-10-29 13:45 ` J. Bruce Fields
2021-10-29 14:26 ` J. Bruce Fields
2021-10-29 15:24 ` Steve Dickson
2021-10-29 14:56 ` Steve Dickson
2021-10-29 16:40 ` J. Bruce Fields
2021-10-29 17:30 ` Steve Dickson
2021-10-29 19:14 ` J. Bruce Fields
2021-11-01 15:30 ` Steve Dickson
2021-11-01 15:40 ` J. Bruce Fields
2021-11-01 16:55 ` Chuck Lever III
2021-11-01 18:24 ` Steve Dickson
2021-11-01 18:39 ` Bruce Fields
2021-11-01 18:44 ` Chuck Lever III
2021-11-01 19:10 ` Steve Dickson
2021-11-01 19:26 ` Bruce Fields
2021-11-01 20:28 ` Steve Dickson
2021-11-01 19:02 ` Steve Dickson
2021-11-01 19:22 ` dai.ngo
2021-11-01 19:25 ` J. Bruce Fields
2021-11-01 20:25 ` Steve Dickson
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