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-rw-r--r--fs/seq_file.c29
1 files changed, 23 insertions, 6 deletions
diff --git a/fs/seq_file.c b/fs/seq_file.c
index bd20f7f5a933..eba2eabcd2b8 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -452,17 +452,34 @@ int seq_dentry(struct seq_file *m, struct dentry *dentry, char *esc)
int seq_bitmap(struct seq_file *m, unsigned long *bits, unsigned int nr_bits)
{
- size_t len = bitmap_scnprintf_len(nr_bits);
+ if (m->count < m->size) {
+ int len = bitmap_scnprintf(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);
- if (m->count + len < m->size) {
- bitmap_scnprintf(m->buf + m->count, m->size - m->count,
- bits, nr_bits);
- m->count += len;
- return 0;
+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)
{
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