1 files changed, 16 insertions, 0 deletions

diff --git a/fs/seq_file.c b/fs/seq_file.c
index 11c85fec6b4f..eba2eabcd2b8 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -465,6 +465,22 @@ int seq_bitmap(struct seq_file *m, unsigned long *bits, unsigned int nr_bits)
 }
 EXPORT_SYMBOL(seq_bitmap);
 
+int seq_bitmap_list(struct seq_file *m, unsigned long *bits,
+                unsigned int nr_bits)
+{
+        if (m->count < m->size) {
+                int len = bitmap_scnlistprintf(m->buf + m->count,
+                                m->size - m->count, bits, nr_bits);
+                if (m->count + len < m->size) {
+                        m->count += len;
+                        return 0;
+                }
+        }
+        m->count = m->size;
+        return -1;
+}
+EXPORT_SYMBOL(seq_bitmap_list);
+
 static void *single_start(struct seq_file *p, loff_t *pos)
 {
         return NULL + (*pos == 0);