knfsd: nfsd4: implement secinfo

Implement the secinfo operation.

(Thanks to Usha Ketineni wrote an earlier version of this support.)

Cc: Usha Ketineni <uketinen@us.ibm.com>
Signed-off-by: Andy Adamson <andros@citi.umich.edu>
Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/nfsd/nfsd.h b/include/linux/nfsd/nfsd.h
index 54ef1a18a56c..e452256d3f72 100644
--- a/include/linux/nfsd/nfsd.h
+++ b/include/linux/nfsd/nfsd.h
@@ -71,6 +71,9 @@ int		nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp,
                                 struct svc_export **expp);
 __be32          nfsd_lookup(struct svc_rqst *, struct svc_fh *,
                                 const char *, int, struct svc_fh *);
+__be32           nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *,
+                                const char *, int,
+                                struct svc_export **, struct dentry **);
 __be32          nfsd_setattr(struct svc_rqst *, struct svc_fh *,
                                 struct iattr *, int, time_t);
 #ifdef CONFIG_NFSD_V4
diff --git a/include/linux/nfsd/xdr4.h b/include/linux/nfsd/xdr4.h
index 09799bcee0ac..1b653267133a 100644
--- a/include/linux/nfsd/xdr4.h
+++ b/include/linux/nfsd/xdr4.h
@@ -293,6 +293,12 @@ struct nfsd4_rename {
         struct nfsd4_change_info  rn_tinfo; /* response */
 };
 
+struct nfsd4_secinfo {
+        u32 si_namelen;                                 /* request */
+        char *si_name;                                  /* request */
+        struct svc_export *si_exp;                      /* response */
+};
+
 struct nfsd4_setattr {
         stateid_t       sa_stateid;         /* request */
         u32             sa_bmval[2];        /* request */
@@ -365,6 +371,7 @@ struct nfsd4_op {
                 struct nfsd4_remove             remove;
                 struct nfsd4_rename             rename;
                 clientid_t                      renew;
+                struct nfsd4_secinfo            secinfo;
                 struct nfsd4_setattr            setattr;
                 struct nfsd4_setclientid        setclientid;
                 struct nfsd4_setclientid_confirm setclientid_confirm;