X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fptlrpc%2Fnodemap_lproc.c;h=f8d964dd73255f88d4a39f63da8d15a8d179ac1b;hb=f64aeebfceb306694f42688038f70197ac809a69;hp=d0858d113dc57dc1567bf3a71f5a33aeefb25acb;hpb=a9b830da51bd4d37cb7188c11ab101a40bc57f7f;p=fs%2Flustre-release.git

diff --git a/lustre/ptlrpc/nodemap_lproc.c b/lustre/ptlrpc/nodemap_lproc.c
index d0858d1..f8d964d 100644
--- a/lustre/ptlrpc/nodemap_lproc.c
+++ b/lustre/ptlrpc/nodemap_lproc.c
@@ -241,6 +241,74 @@ out:
 LPROC_SEQ_FOPS(nodemap_fileset);
 
 /**
+ * Reads and prints the SELinux policy info for the given nodemap.
+ *
+ * \param	m		seq file in proc fs
+ * \param	data		unused
+ * \retval	0		success
+ */
+static int nodemap_sepol_seq_show(struct seq_file *m, void *data)
+{
+	struct lu_nodemap *nodemap;
+	int rc = 0;
+
+	mutex_lock(&active_config_lock);
+	nodemap = nodemap_lookup(m->private);
+	mutex_unlock(&active_config_lock);
+	if (IS_ERR(nodemap)) {
+		rc = PTR_ERR(nodemap);
+		CERROR("cannot find nodemap '%s': rc = %d\n",
+			(char *)m->private, rc);
+		return rc;
+	}
+
+	seq_printf(m, "%s\n", nodemap_get_sepol(nodemap));
+	nodemap_putref(nodemap);
+	return rc;
+}
+
+/**
+ * Set SELinux policy info on a nodemap.
+ *
+ * \param[in] file      proc file
+ * \param[in] buffer    string, "<sepol>"
+ * \param[in] count     \a buffer length
+ * \param[in] off       unused
+ * \retval              \a count on success
+ * \retval              negative number on error
+ */
+static ssize_t
+nodemap_sepol_seq_write(struct file *file,
+			const char __user *buffer,
+			size_t count, loff_t *off)
+{
+	struct seq_file *m = file->private_data;
+	char sepol[LUSTRE_NODEMAP_SEPOL_LENGTH + 1];
+	int rc = 0;
+
+	CLASSERT(sizeof(sepol) == sizeof(((struct lu_nodemap *)0)->nm_sepol));
+
+	if (count > 0) {
+		if (count >= sizeof(sepol))
+			GOTO(out, rc = -ENAMETOOLONG);
+
+		if (copy_from_user(sepol, buffer, count))
+			GOTO(out, rc = -EFAULT);
+
+		sepol[count] = '\0';
+
+		rc = nodemap_set_sepol(m->private, sepol);
+	}
+
+out:
+	if (rc != 0)
+		return rc;
+
+	return count;
+}
+LPROC_SEQ_FOPS(nodemap_sepol);
+
+/**
  * Reads and prints the exports attached to the given nodemap.
  *
  * \param	m		seq file in proc fs, stores nodemap
@@ -650,6 +718,10 @@ static struct lprocfs_vars lprocfs_nodemap_vars[] = {
 		.fops		= &nodemap_fileset_fops,
 	},
 	{
+		.name		= "sepol",
+		.fops		= &nodemap_sepol_fops,
+	},
+	{
 		.name		= "exports",
 		.fops		= &nodemap_exports_fops,
 	},