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-rw-r--r--fs/seq_file.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/seq_file.c b/fs/seq_file.c
index 7f40f30c55c5..6c959275f2d0 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -640,6 +640,26 @@ int seq_puts(struct seq_file *m, const char *s)
}
EXPORT_SYMBOL(seq_puts);
+/**
+ * seq_write - write arbitrary data to buffer
+ * @seq: seq_file identifying the buffer to which data should be written
+ * @data: data address
+ * @len: number of bytes
+ *
+ * Return 0 on success, non-zero otherwise.
+ */
+int seq_write(struct seq_file *seq, const void *data, size_t len)
+{
+ if (seq->count + len < seq->size) {
+ memcpy(seq->buf + seq->count, data, len);
+ seq->count += len;
+ return 0;
+ }
+ seq->count = seq->size;
+ return -1;
+}
+EXPORT_SYMBOL(seq_write);
+
struct list_head *seq_list_start(struct list_head *head, loff_t pos)
{
struct list_head *lh;