From dde4aac20babee040875f76842a31b14b76dd369 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Javier=20Gonz=C3=A1lez?= <javier@javigon.com>
Date: Tue, 9 Oct 2018 13:12:08 +0200
Subject: [PATCH] lightnvm: pblk: remove unused function
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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>
---
drivers/lightnvm/pblk-rb.c | 26 --------------------------
drivers/lightnvm/pblk.h | 2 --
2 files changed, 28 deletions(-)
diff --git a/drivers/lightnvm/pblk-rb.c b/drivers/lightnvm/pblk-rb.c
index c26eab2ba8bd0..82829e8151db5 100644
--- 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 e710f6db2a35e..22586b78198ac 100644
--- 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);