lightnvm: pblk: remove target using async. I/Os

[linux.git] / drivers / lightnvm / pblk-rb.c

diff --git a/drivers/lightnvm/pblk-rb.c b/drivers/lightnvm/pblk-rb.c
index 2dda874af8909383f3861af830d7f0194c5a09a0..7300be98e8314d0daed1af5baa6b3aa7033e400f 100644 (file)
--- a/drivers/lightnvm/pblk-rb.c
+++ b/drivers/lightnvm/pblk-rb.c
@@ -180,6 +180,14 @@ unsigned int pblk_rb_read_count(struct pblk_rb *rb)
        return pblk_rb_ring_count(mem, subm, rb->nr_entries);
 }
 
+unsigned int pblk_rb_sync_count(struct pblk_rb *rb)
+{
+       unsigned int mem = READ_ONCE(rb->mem);
+       unsigned int sync = READ_ONCE(rb->sync);
+
+       return pblk_rb_ring_count(mem, sync, rb->nr_entries);
+}
+
 unsigned int pblk_rb_read_commit(struct pblk_rb *rb, unsigned int nr_entries)
 {
        unsigned int subm;