#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);
/**
}
/**
+ * 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 = 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->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;
+ char *nm_fileset;
+ int rc = 0;
+ ENTRY;
+
+ if (count == 0)
+ RETURN(0);
+
+ if (count > PATH_MAX)
+ RETURN(-EINVAL);
+
+ OBD_ALLOC(nm_fileset, count);
+ if (nm_fileset == NULL)
+ RETURN(-ENOMEM);
+
+ if (copy_from_user(nm_fileset, buffer, count))
+ GOTO(out, rc = -EFAULT);
+
+ rc = nodemap_set_fileset(m->private, nm_fileset);
+ if (rc != 0)
+ GOTO(out, rc = -EINVAL);
+
+ rc = count;
+out:
+ OBD_FREE(nm_fileset, count);
+
+ return rc;
+}
+LPROC_SEQ_FOPS(nodemap_fileset);
+
+/**
* Reads and prints the exports attached to the given nodemap.
*
* \param m seq file in proc fs, stores nodemap
return 0;
}
+/**
+ * Reads and prints the mapping mode for the given nodemap.
+ *
+ * \param m seq file in proc fs
+ * \param data unused
+ * \retval 0 success
+ */
+static int nodemap_map_mode_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;
+ }
+
+ if (nodemap->nmf_map_uid_only)
+ seq_printf(m, "uid_only\n");
+ else if (nodemap->nmf_map_gid_only)
+ seq_printf(m, "gid_only\n");
+ else
+ seq_printf(m, "both\n");
+
+ nodemap_putref(nodemap);
+ return 0;
+}
+
+/**
+ * Reads and prints the deny_unknown flag for the given nodemap.
+ *
+ * \param m seq file in proc fs
+ * \param data unused
+ * \retval 0 success
+ */
+static int nodemap_deny_unknown_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;
+ }
+
+ seq_printf(m, "%d\n", (int)nodemap->nmf_deny_unknown);
+ nodemap_putref(nodemap);
+ return 0;
+}
+
#ifdef NODEMAP_PROC_DEBUG
/**
* Helper functions to set nodemap flags.
LPROC_SEQ_FOPS_RO(nodemap_squash_gid);
#endif
+LPROC_SEQ_FOPS_RO(nodemap_deny_unknown);
+LPROC_SEQ_FOPS_RO(nodemap_map_mode);
+
const struct file_operations nodemap_ranges_fops = {
.open = nodemap_ranges_open,
.read = seq_read,
.fops = &nodemap_admin_fops,
},
{
+ .name = "deny_unknown",
+ .fops = &nodemap_deny_unknown_fops,
+ },
+ {
+ .name = "map_mode",
+ .fops = &nodemap_map_mode_fops,
+ },
+ {
.name = "squash_uid",
.fops = &nodemap_squash_uid_fops,
},
.fops = &nodemap_ranges_fops,
},
{
+ .name = "fileset",
+ .fops = &nodemap_fileset_fops,
+ },
+ {
.name = "exports",
.fops = &nodemap_exports_fops,
},