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Diffstat (limited to 'drivers/lightnvm/pblk.h')
-rw-r--r--drivers/lightnvm/pblk.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h
index 0f98ea24ee59..02bb2e98f8a9 100644
--- a/drivers/lightnvm/pblk.h
+++ b/drivers/lightnvm/pblk.h
@@ -203,6 +203,11 @@ struct pblk_rb {
* will be 4KB
*/
+ unsigned int back_thres; /* Threshold that shall be maintained by
+ * the backpointer in order to respect
+ * geo->mw_cunits on a per chunk basis
+ */
+
struct list_head pages; /* List of data pages */
spinlock_t w_lock; /* Write lock */
@@ -734,7 +739,8 @@ struct pblk_line_ws {
/*
* pblk ring buffer operations
*/
-int pblk_rb_init(struct pblk_rb *rb, unsigned int size, unsigned int seg_sz);
+int pblk_rb_init(struct pblk_rb *rb, unsigned int size, unsigned int threshold,
+ unsigned int seg_sz);
int pblk_rb_may_write_user(struct pblk_rb *rb, struct bio *bio,
unsigned int nr_entries, unsigned int *pos);
int pblk_rb_may_write_gc(struct pblk_rb *rb, unsigned int nr_entries,