From f29372322e415999f429d3e3883b865c87860b46 Mon Sep 17 00:00:00 2001 From: Hans Holmberg Date: Tue, 9 Oct 2018 13:11:53 +0200 Subject: lightnvm: pblk: add trace events for line state changes MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add trace events for logging for line state changes. Signed-off-by: Hans Holmberg Signed-off-by: Matias Bjørling Signed-off-by: Jens Axboe --- drivers/lightnvm/pblk-core.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) (limited to 'drivers/lightnvm/pblk-core.c') diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c index 8a5158607467..ef52c1647f88 100644 --- a/drivers/lightnvm/pblk-core.c +++ b/drivers/lightnvm/pblk-core.c @@ -413,6 +413,9 @@ struct list_head *pblk_line_gc_list(struct pblk *pblk, struct pblk_line *line) } } else { line->state = PBLK_LINESTATE_CORRUPT; + trace_pblk_line_state(pblk_disk_name(pblk), line->id, + line->state); + line->gc_group = PBLK_LINEGC_NONE; move_list = &l_mg->corrupt_list; pblk_err(pblk, "corrupted vsc for line %d, vsc:%d (%d/%d/%d)\n", @@ -1019,6 +1022,8 @@ static int pblk_line_init_metadata(struct pblk *pblk, struct pblk_line *line, spin_lock(&l_mg->free_lock); spin_lock(&line->lock); line->state = PBLK_LINESTATE_BAD; + trace_pblk_line_state(pblk_disk_name(pblk), line->id, + line->state); spin_unlock(&line->lock); list_add_tail(&line->list, &l_mg->bad_list); @@ -1166,6 +1171,8 @@ static int pblk_line_init_bb(struct pblk *pblk, struct pblk_line *line, bitmap_weight(line->invalid_bitmap, lm->sec_per_line)) { spin_lock(&line->lock); line->state = PBLK_LINESTATE_BAD; + trace_pblk_line_state(pblk_disk_name(pblk), line->id, + line->state); spin_unlock(&line->lock); list_add_tail(&line->list, &l_mg->bad_list); @@ -1218,6 +1225,8 @@ static int pblk_line_prepare(struct pblk *pblk, struct pblk_line *line) if (line->state == PBLK_LINESTATE_NEW) { blk_to_erase = pblk_prepare_new_line(pblk, line); line->state = PBLK_LINESTATE_FREE; + trace_pblk_line_state(pblk_disk_name(pblk), line->id, + line->state); } else { blk_to_erase = blk_in_line; } @@ -1235,6 +1244,8 @@ static int pblk_line_prepare(struct pblk *pblk, struct pblk_line *line) } line->state = PBLK_LINESTATE_OPEN; + trace_pblk_line_state(pblk_disk_name(pblk), line->id, + line->state); atomic_set(&line->left_eblks, blk_to_erase); atomic_set(&line->left_seblks, blk_to_erase); @@ -1331,6 +1342,8 @@ retry: if (unlikely(bit >= lm->blk_per_line)) { spin_lock(&line->lock); line->state = PBLK_LINESTATE_BAD; + trace_pblk_line_state(pblk_disk_name(pblk), line->id, + line->state); spin_unlock(&line->lock); list_add_tail(&line->list, &l_mg->bad_list); @@ -1650,6 +1663,8 @@ static void __pblk_line_put(struct pblk *pblk, struct pblk_line *line) spin_lock(&line->lock); WARN_ON(line->state != PBLK_LINESTATE_GC); line->state = PBLK_LINESTATE_FREE; + trace_pblk_line_state(pblk_disk_name(pblk), line->id, + line->state); line->gc_group = PBLK_LINEGC_NONE; pblk_line_free(line); @@ -1779,7 +1794,6 @@ void pblk_line_close(struct pblk *pblk, struct pblk_line *line) WARN_ON(line->state != PBLK_LINESTATE_OPEN); line->state = PBLK_LINESTATE_CLOSED; move_list = pblk_line_gc_list(pblk, line); - list_add_tail(&line->list, move_list); mempool_free(line->map_bitmap, l_mg->bitmap_pool); @@ -1798,6 +1812,9 @@ void pblk_line_close(struct pblk *pblk, struct pblk_line *line) spin_unlock(&line->lock); spin_unlock(&l_mg->gc_lock); + + trace_pblk_line_state(pblk_disk_name(pblk), line->id, + line->state); } void pblk_line_close_meta(struct pblk *pblk, struct pblk_line *line) -- cgit v1.2.3