Author: rmacklem
Date: Thu Sep 21 00:41:12 2017
New Revision: 323841
URL: https://svnweb.freebsd.org/changeset/base/323841
Log:
Add a few definitions for Flex File Layout for pNFS.
These definitions will be used by a future commit.
Modified:
head/sys/fs/nfs/nfs.h
Modified: head/sys/fs/nfs/nfs.h
==============================================================================
--- head/sys/fs/nfs/nfs.h Thu Sep 21 00:03:59 2017 (r323840)
+++ head/sys/fs/nfs/nfs.h Thu Sep 21 00:41:12 2017 (r323841)
@@ -177,6 +177,17 @@ struct nfsd_nfsd_args {
};
/*
+ * NFSDEV_MIRRORSTR - string of digits that number the DSs 0->999.
+ * (To support more than 1000 DSs on an MDS, this needs to be increased.)
+ * NFSDEV_MAXMIRRORS - Maximum # of mirrors for a DS.
+ * (Most will only have a single mirror, but this setting allows up to 3.)
+ * NFSDEV_MAXVERS - maximum number of NFS versions supported by Flex File.
+ */
+#define NFSDEV_MIRRORSTR 3
+#define NFSDEV_MAXMIRRORS 4
+#define NFSDEV_MAXVERS 4
+
+/*
* Arguments for use by the callback daemon.
*/
struct nfsd_nfscbd_args {
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