X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fptlrpc%2Fnodemap_lproc.c;h=fa6a6a7f455e21da8c3b961a4451e8911d39d574;hb=3be9beb00e7cca9d758b364a85537b0631dddc12;hp=e5c4b0ca97cea41eead407416aefc41c7d3d7741;hpb=0754bc8f2623bea184111af216f7567608db35b6;p=fs%2Flustre-release.git

diff --git a/lustre/ptlrpc/nodemap_lproc.c b/lustre/ptlrpc/nodemap_lproc.c
index e5c4b0c..fa6a6a7 100644
--- a/lustre/ptlrpc/nodemap_lproc.c
+++ b/lustre/ptlrpc/nodemap_lproc.c
@@ -37,12 +37,6 @@
 #include <interval_tree.h>
 #include "nodemap_internal.h"
 
-/* Turn on proc debug interface to allow OSS and
- * MDS nodes to configure nodemap independently of
- * MGS (since the nodemap distribution is not written
- * yet */
-#define NODEMAP_PROC_DEBUG 1
-
 static LIST_HEAD(nodemap_pde_list);
 
 /**
@@ -174,6 +168,61 @@ static int nodemap_ranges_open(struct inode *inode, struct file *file)
 }
 
 /**
+ * Reads and prints the fileset for the given nodemap.
+ *
+ * \param	m		seq file in proc fs
+ * \param	data		unused
+ * \retval	0		success
+ */
+static int nodemap_fileset_seq_show(struct seq_file *m, void *data)
+{
+	struct lu_nodemap *nodemap;
+	int rc;
+
+	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;
+	}
+
+	rc = seq_printf(m, "%s\n", nodemap->nm_fileset);
+	nodemap_putref(nodemap);
+	return rc;
+}
+
+/**
+ * Set a fileset on a nodemap.
+ *
+ * \param[in] file      proc file
+ * \param[in] buffer    string, "<fileset>"
+ * \param[in] count     \a buffer length
+ * \param[in] off       unused
+ * \retval              \a count on success
+ * \retval              negative number on error
+ */
+static ssize_t
+nodemap_fileset_seq_write(struct file *file,
+				      const char __user *buffer,
+				      size_t count, loff_t *off)
+{
+	struct seq_file *m = file->private_data;
+	int rc = 0;
+
+	if (count > 0)
+		rc = nodemap_set_fileset(m->private, buffer);
+
+	if (rc != 0)
+		return -EINVAL;
+
+	return count;
+}
+LPROC_SEQ_FOPS(nodemap_fileset);
+
+/**
  * Reads and prints the exports attached to the given nodemap.
  *
  * \param	m		seq file in proc fs, stores nodemap
@@ -239,7 +288,8 @@ static int nodemap_exports_open(struct inode *inode, struct file *file)
  */
 static int nodemap_active_seq_show(struct seq_file *m, void *data)
 {
-	return seq_printf(m, "%u\n", (unsigned int)nodemap_active);
+	seq_printf(m, "%u\n", (unsigned int)nodemap_active);
+	return 0;
 }
 
 /**
@@ -290,21 +340,20 @@ LPROC_SEQ_FOPS(nodemap_active);
 static int nodemap_id_seq_show(struct seq_file *m, void *data)
 {
 	struct lu_nodemap *nodemap;
-	int rc;
 
 	mutex_lock(&active_config_lock);
 	nodemap = nodemap_lookup(m->private);
 	mutex_unlock(&active_config_lock);
 	if (IS_ERR(nodemap)) {
-		rc = PTR_ERR(nodemap);
+		int rc = PTR_ERR(nodemap);
 		CERROR("cannot find nodemap '%s': rc = %d\n",
 			(char *)m->private, rc);
 		return rc;
 	}
 
-	rc = seq_printf(m, "%u\n", nodemap->nm_id);
+	seq_printf(m, "%u\n", nodemap->nm_id);
 	nodemap_putref(nodemap);
-	return rc;
+	return 0;
 }
 LPROC_SEQ_FOPS_RO(nodemap_id);
 
@@ -318,21 +367,20 @@ LPROC_SEQ_FOPS_RO(nodemap_id);
 static int nodemap_squash_uid_seq_show(struct seq_file *m, void *data)
 {
 	struct lu_nodemap *nodemap;
-	int rc;
 
 	mutex_lock(&active_config_lock);
 	nodemap = nodemap_lookup(m->private);
 	mutex_unlock(&active_config_lock);
 	if (IS_ERR(nodemap)) {
-		rc = PTR_ERR(nodemap);
+		int rc = PTR_ERR(nodemap);
 		CERROR("cannot find nodemap '%s': rc = %d\n",
 			(char *)m->private, rc);
 		return rc;
 	}
 
-	rc = seq_printf(m, "%u\n", nodemap->nm_squash_uid);
+	seq_printf(m, "%u\n", nodemap->nm_squash_uid);
 	nodemap_putref(nodemap);
-	return rc;
+	return 0;
 }
 
 /**
@@ -345,21 +393,20 @@ static int nodemap_squash_uid_seq_show(struct seq_file *m, void *data)
 static int nodemap_squash_gid_seq_show(struct seq_file *m, void *data)
 {
 	struct lu_nodemap *nodemap;
-	int rc;
 
 	mutex_lock(&active_config_lock);
 	nodemap = nodemap_lookup(m->private);
 	mutex_unlock(&active_config_lock);
 	if (IS_ERR(nodemap)) {
-		rc = PTR_ERR(nodemap);
+		int rc = PTR_ERR(nodemap);
 		CERROR("cannot find nodemap '%s': rc = %d\n",
 			(char *)m->private, rc);
 		return rc;
 	}
 
-	rc = seq_printf(m, "%u\n", nodemap->nm_squash_gid);
+	seq_printf(m, "%u\n", nodemap->nm_squash_gid);
 	nodemap_putref(nodemap);
-	return rc;
+	return 0;
 }
 
 /**
@@ -372,21 +419,21 @@ static int nodemap_squash_gid_seq_show(struct seq_file *m, void *data)
 static int nodemap_trusted_seq_show(struct seq_file *m, void *data)
 {
 	struct lu_nodemap *nodemap;
-	int rc;
 
 	mutex_lock(&active_config_lock);
 	nodemap = nodemap_lookup(m->private);
 	mutex_unlock(&active_config_lock);
 	if (IS_ERR(nodemap)) {
-		rc = PTR_ERR(nodemap);
+		int rc = PTR_ERR(nodemap);
+
 		CERROR("cannot find nodemap '%s': rc = %d\n",
 			(char *)m->private, rc);
 		return rc;
 	}
 
-	rc = seq_printf(m, "%d\n", (int)nodemap->nmf_trust_client_ids);
+	seq_printf(m, "%d\n", (int)nodemap->nmf_trust_client_ids);
 	nodemap_putref(nodemap);
-	return rc;
+	return 0;
 }
 
 /**
@@ -411,9 +458,9 @@ static int nodemap_admin_seq_show(struct seq_file *m, void *data)
 		return rc;
 	}
 
-	rc = seq_printf(m, "%d\n", (int)nodemap->nmf_allow_root_access);
+	seq_printf(m, "%d\n", (int)nodemap->nmf_allow_root_access);
 	nodemap_putref(nodemap);
-	return rc;
+	return 0;
 }
 
 #ifdef NODEMAP_PROC_DEBUG
@@ -1067,6 +1114,10 @@ static struct lprocfs_vars lprocfs_nodemap_vars[] = {
 		.fops		= &nodemap_ranges_fops,
 	},
 	{
+		.name		= "fileset",
+		.fops		= &nodemap_fileset_fops,
+	},
+	{
 		.name		= "exports",
 		.fops		= &nodemap_exports_fops,
 	},