[PATCH v2 10/19] NFSv4: Enable attribute delegations
From: trondmy@kernel.org
Date: 2024-06-17 01:25:13
Subsystem:
filesystems (vfs and infrastructure), nfs, sunrpc, and lockd clients, the rest · Maintainers:
Alexander Viro, Christian Brauner, Trond Myklebust, Anna Schumaker, Linus Torvalds
From: Trond Myklebust <redacted> If we see that the server supports attribute delegations, then request them by setting the appropriate OPEN arguments. Signed-off-by: Trond Myklebust <redacted> Signed-off-by: Lance Shelton <redacted> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Trond Myklebust <redacted> --- fs/nfs/nfs4proc.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 03835c8a180f..1209ce22158e 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c@@ -1339,8 +1339,13 @@ nfs4_map_atomic_open_share(struct nfs_server *server, if (!(server->caps & NFS_CAP_ATOMIC_OPEN_V1)) goto out; /* Want no delegation if we're using O_DIRECT */ - if (openflags & O_DIRECT) + if (openflags & O_DIRECT) { res |= NFS4_SHARE_WANT_NO_DELEG; + goto out; + } + /* res |= NFS4_SHARE_WANT_NO_PREFERENCE; */ + if (server->caps & NFS_CAP_DELEGTIME) + res |= NFS4_SHARE_WANT_DELEG_TIMESTAMPS; out: return res; }
--
2.45.2