----- Original Message -----
> From: "Christoph Hellwig" <hch@xxxxxx>
> To: "Steve Dickson" <SteveD@xxxxxxxxxx>
> Cc: linux-nfs@xxxxxxxxxxxxxxx
> Sent: Wednesday, April 1, 2015 10:15:13 AM
> Subject: [PATCH] nfs-utils: add support for the "pnfs" export option
> This goes along with the patch just sent to Bruce to make pnfs
> support conditional.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
> support/include/nfs/export.h | 1 +
> support/nfs/exports.c | 3 +++
> utils/exportfs/exportfs.c | 2 ++
> 3 files changed, 6 insertions(+)
>
> diff --git a/support/include/nfs/export.h b/support/include/nfs/export.h
> index 2f59e6a..1194255 100644
> --- a/support/include/nfs/export.h
> +++ b/support/include/nfs/export.h
> @@ -26,6 +26,7 @@
> #define NFSEXP_CROSSMOUNT 0x4000
> #define NFSEXP_NOACL 0x8000 /* reserved for possible ACL related use */
> #define NFSEXP_V4ROOT 0x10000
> +#define NFSEXP_PNFS 0x20000
> /*
> * All flags supported by the kernel before addition of the
> * export_features interface:
> diff --git a/support/nfs/exports.c b/support/nfs/exports.c
> index 4b17d3c..97f9e67 100644
> --- a/support/nfs/exports.c
> +++ b/support/nfs/exports.c
> @@ -275,6 +275,7 @@ putexportent(struct exportent *ep)
> "no_" : "");
> if (ep->e_flags & NFSEXP_NOREADDIRPLUS)
> fprintf(fp, "nordirplus,");
> + fprintf(fp, "%s", (ep->e_flags & NFSEXP_PNFS)? "pnfs," : "");
> if (ep->e_flags & NFSEXP_FSID) {
> fprintf(fp, "fsid=%d,", ep->e_fsid);
> }
> @@ -581,6 +582,8 @@ parseopts(char *cp, struct exportent *ep, int warn, int
> *had_subtree_opt_ptr)
> clearflags(NFSEXP_NOACL, active, ep);
> else if (strcmp(opt, "no_acl") == 0)
> setflags(NFSEXP_NOACL, active, ep);
> + else if (!strcmp(opt, "pnfs"))
> + setflags(NFSEXP_PNFS, active, ep);
and no_pnfs as well to match other options.
Tigran.
> else if (strncmp(opt, "anonuid=", 8) == 0) {
> char *oe;
> ep->e_anonuid = strtol(opt+8, &oe, 10);
> diff --git a/utils/exportfs/exportfs.c b/utils/exportfs/exportfs.c
> index 48eac00..8758231 100644
> --- a/utils/exportfs/exportfs.c
> +++ b/utils/exportfs/exportfs.c
> @@ -821,6 +821,8 @@ dump(int verbose, int export_format)
> c = dumpopt(c, "nordirplus");
> if (ep->e_flags & NFSEXP_NOACL)
> c = dumpopt(c, "no_acl");
> + if (ep->e_flags & NFSEXP_PNFS)
> + c = dumpopt(c, "pnfs");
> if (ep->e_flags & NFSEXP_FSID)
> c = dumpopt(c, "fsid=%d", ep->e_fsid);
> if (ep->e_uuid)
> --
> 1.9.1
>
> --
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