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-rw-r--r--fs/seq_file.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/seq_file.c b/fs/seq_file.c
index 11c85fec6b4..eba2eabcd2b 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);