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lightnvm: pblk: add trace events for pblk state changes

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Add trace events for tracking pblk 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>
This commit is contained in:
Hans Holmberg
2018-10-09 13:11:54 +02:00
committed by Jens Axboe
parent f29372322e
commit 1b0dd0bf3d
3 changed files with 32 additions and 0 deletions
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3
drivers/lightnvm/pblk-core.c
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@@ -1503,6 +1503,7 @@ static void pblk_stop_writes(struct pblk *pblk, struct pblk_line *line)
pblk_set_space_limit(pblk);
pblk->state = PBLK_STATE_STOPPING;
trace_pblk_state(pblk_disk_name(pblk), pblk->state);
}
static void pblk_line_close_meta_sync(struct pblk *pblk)
@@ -1552,6 +1553,7 @@ void __pblk_pipeline_flush(struct pblk *pblk)
return;
}
pblk->state = PBLK_STATE_RECOVERING;
trace_pblk_state(pblk_disk_name(pblk), pblk->state);
spin_unlock(&l_mg->free_lock);
pblk_flush_writer(pblk);
@@ -1573,6 +1575,7 @@ void __pblk_pipeline_stop(struct pblk *pblk)
spin_lock(&l_mg->free_lock);
pblk->state = PBLK_STATE_STOPPED;
trace_pblk_state(pblk_disk_name(pblk), pblk->state);
l_mg->data_line = NULL;
l_mg->data_next = NULL;
spin_unlock(&l_mg->free_lock);