[PATCH 14/20] nfsd: display export secinfo information

[J. Bruce Fields]

From: J. Bruce Fields <bfields at citi.umich.edu>

Add secinfo information to the display in proc/net/sunrpc/nfsd.export/content.

Signed-off-by: "J. Bruce Fields" <bfields at citi.umich.edu>
---
 fs/nfsd/export.c |   29 +++++++++++++++++++++++++++++
 1 files changed, 29 insertions(+), 0 deletions(-)

diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 5914dfe..d9ed7f1 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -638,6 +638,7 @@ static int svc_export_parse(struct cache_detail *cd, char *mesg, int mlen)
 
 static void exp_flags(struct seq_file *m, int flag, int fsid,
 		uid_t anonu, uid_t anong, struct nfsd4_fs_locations *fslocs);
+static void show_secinfo(struct seq_file *m, struct svc_export *exp);
 
 static int svc_export_show(struct seq_file *m,
 			   struct cache_detail *cd,
@@ -667,6 +668,7 @@ static int svc_export_show(struct seq_file *m,
 				seq_printf(m, "%02x", exp->ex_uuid[i]);
 			}
 		}
+		show_secinfo(m, exp);
 	}
 	seq_puts(m, ")\n");
 	return 0;
@@ -1464,6 +1466,33 @@ static void show_expflags(struct seq_file *m, int flags, int mask)
 	}
 }
 
+static void show_secinfo_flags(struct seq_file *m, int flags)
+{
+	seq_printf(m, ",");
+	show_expflags(m, flags, NFSEXP_SECINFO_FLAGS);
+}
+
+static void show_secinfo(struct seq_file *m, struct svc_export *exp)
+{
+	struct exp_flavor_info *f;
+	struct exp_flavor_info *end = exp->ex_flavors + exp->ex_nflavors;
+	int lastflags = 0, first = 0;
+
+	if (exp->ex_nflavors == 0)
+		return;
+	for (f = exp->ex_flavors; f < end; f++) {
+		if (first || f->flags != lastflags) {
+			if (!first)
+				show_secinfo_flags(m, lastflags);
+			seq_printf(m, ",sec=%d", f->pseudoflavor);
+			lastflags = f->flags;
+		} else {
+			seq_printf(m, ":%d", f->pseudoflavor);
+		}
+	}
+	show_secinfo_flags(m, lastflags);
+}
+
 static void exp_flags(struct seq_file *m, int flag, int fsid,
 		uid_t anonu, uid_t anong, struct nfsd4_fs_locations *fsloc)
 {
-- 
1.5.2.rc3