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authorHans Holmberg <hans.holmberg@cnexlabs.com>2018-10-09 13:11:53 +0200
committerJens Axboe <axboe@kernel.dk>2018-10-09 16:25:07 +0200
commitf29372322e415999f429d3e3883b865c87860b46 (patch)
treea4f2da7c649d36b6f36d59e534da1d93b0a065bb /drivers/lightnvm/pblk-gc.c
parentlightnvm: pblk: add trace events for chunk states (diff)
downloadlinux-f29372322e415999f429d3e3883b865c87860b46.tar.xz
linux-f29372322e415999f429d3e3883b865c87860b46.zip
lightnvm: pblk: add trace events for line state changes
Add trace events for logging for line state changes. Signed-off-by: Hans Holmberg <hans.holmberg@cnexlabs.com> Signed-off-by: Matias Bjørling <mb@lightnvm.io> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm/pblk-gc.c')
-rw-r--r--drivers/lightnvm/pblk-gc.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/lightnvm/pblk-gc.c b/drivers/lightnvm/pblk-gc.c
index 157c2567c9e8..b841d84c4342 100644
--- a/drivers/lightnvm/pblk-gc.c
+++ b/drivers/lightnvm/pblk-gc.c
@@ -16,8 +16,10 @@
*/
#include "pblk.h"
+#include "pblk-trace.h"
#include <linux/delay.h>
+
static void pblk_gc_free_gc_rq(struct pblk_gc_rq *gc_rq)
{
if (gc_rq->data)
@@ -64,6 +66,8 @@ static void pblk_put_line_back(struct pblk *pblk, struct pblk_line *line)
spin_lock(&line->lock);
WARN_ON(line->state != PBLK_LINESTATE_GC);
line->state = PBLK_LINESTATE_CLOSED;
+ trace_pblk_line_state(pblk_disk_name(pblk), line->id,
+ line->state);
move_list = pblk_line_gc_list(pblk, line);
spin_unlock(&line->lock);
@@ -405,6 +409,8 @@ void pblk_gc_free_full_lines(struct pblk *pblk)
spin_lock(&line->lock);
WARN_ON(line->state != PBLK_LINESTATE_CLOSED);
line->state = PBLK_LINESTATE_GC;
+ trace_pblk_line_state(pblk_disk_name(pblk), line->id,
+ line->state);
spin_unlock(&line->lock);
list_del(&line->list);
@@ -451,6 +457,8 @@ next_gc_group:
spin_lock(&line->lock);
WARN_ON(line->state != PBLK_LINESTATE_CLOSED);
line->state = PBLK_LINESTATE_GC;
+ trace_pblk_line_state(pblk_disk_name(pblk), line->id,
+ line->state);
spin_unlock(&line->lock);
list_del(&line->list);