#include <linux/namei.h>
#include <linux/seq_file.h>
#include <linux/exportfs.h>
+#include <linux/uuid.h>
+#include <linux/statfs.h>
#include "kernfs-internal.h"
return 0;
}
+static int kernfs_statfs(struct dentry *dentry, struct kstatfs *buf)
+{
+ simple_statfs(dentry, buf);
+ buf->f_fsid = uuid_to_fsid(dentry->d_sb->s_uuid.b);
+ return 0;
+}
+
const struct super_operations kernfs_sops = {
- .statfs = simple_statfs,
+ .statfs = kernfs_statfs,
.drop_inode = generic_delete_inode,
.evict_inode = kernfs_evict_inode,
}
sb->s_flags |= SB_ACTIVE;
+ uuid_gen(&sb->s_uuid);
+
down_write(&root->kernfs_supers_rwsem);
list_add(&info->node, &info->root->supers);
up_write(&root->kernfs_supers_rwsem);