lightnvm: pblk: remove unused function

Removed unused function in pblk-rb.c

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/lightnvm/pblk-rb.c b/drivers/lightnvm/pblk-rb.c
index c26eab2ba8bd0aa574af0f1b508ac2377ca40c6e..82829e8151db5977e3c9eaf8536fffb8dab8e036 100644 (file)
--- a/drivers/lightnvm/pblk-rb.c
+++ b/drivers/lightnvm/pblk-rb.c
@@ -729,32 +729,6 @@ unsigned int pblk_rb_flush_point_count(struct pblk_rb *rb)
        return (submitted < to_flush) ? (to_flush - submitted) : 0;
 }
 
-/*
- * Scan from the current position of the sync pointer to find the entry that
- * corresponds to the given ppa. This is necessary since write requests can be
- * completed out of order. The assumption is that the ppa is close to the sync
- * pointer thus the search will not take long.
- *
- * The caller of this function must guarantee that the sync pointer will no
- * reach the entry while it is using the metadata associated with it. With this
- * assumption in mind, there is no need to take the sync lock.
- */
-struct pblk_rb_entry *pblk_rb_sync_scan_entry(struct pblk_rb *rb,
-                                             struct ppa_addr *ppa)
-{
-       unsigned int sync, subm, count;
-       unsigned int i;
-
-       sync = READ_ONCE(rb->sync);
-       subm = READ_ONCE(rb->subm);
-       count = pblk_rb_ring_count(subm, sync, rb->nr_entries);
-
-       for (i = 0; i < count; i++)
-               sync = (sync + 1) & (rb->nr_entries - 1);
-
-       return NULL;
-}
-
 int pblk_rb_tear_down_check(struct pblk_rb *rb)
 {
        struct pblk_rb_entry *entry;

diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h
index e710f6db2a35ef8e5bd5f780b51ca3b0438225c5..22586b78198ac48b8957a9bcdf22dcb2e8fd1f7c 100644 (file)
--- a/drivers/lightnvm/pblk.h
+++ b/drivers/lightnvm/pblk.h
@@ -760,8 +760,6 @@ unsigned int pblk_rb_read_commit(struct pblk_rb *rb, unsigned int entries);
 
 unsigned int pblk_rb_sync_init(struct pblk_rb *rb, unsigned long *flags);
 unsigned int pblk_rb_sync_advance(struct pblk_rb *rb, unsigned int nr_entries);
-struct pblk_rb_entry *pblk_rb_sync_scan_entry(struct pblk_rb *rb,
-                                             struct ppa_addr *ppa);
 void pblk_rb_sync_end(struct pblk_rb *rb, unsigned long *flags);
 unsigned int pblk_rb_flush_point_count(struct pblk_rb *rb);