diff options
| author | Hans Holmberg <hans.holmberg@cnexlabs.com> | 2018-10-09 14:11:52 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-10-09 17:25:07 +0300 |
| commit | 4c44abf43d00d81f5c648f376c436a9405980efc (patch) | |
| tree | 667edc9d1354b56dd4b71755c298f5911fbac871 /drivers/lightnvm/pblk-write.c | |
| parent | 43241cfe470850a590913a86e590fd4ad9939d59 (diff) | |
| download | linux-4c44abf43d00d81f5c648f376c436a9405980efc.tar.xz | |
lightnvm: pblk: add trace events for chunk states
Introduce trace points for tracking chunk states in pblk - this is
useful for inspection of the entire state of the drive, and real handy
for both fw and pblk debugging.
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-write.c')
| -rw-r--r-- | drivers/lightnvm/pblk-write.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/lightnvm/pblk-write.c b/drivers/lightnvm/pblk-write.c index 674ba4d1a9f4..61fe22ccc7a1 100644 --- a/drivers/lightnvm/pblk-write.c +++ b/drivers/lightnvm/pblk-write.c @@ -16,6 +16,7 @@ */ #include "pblk.h" +#include "pblk-trace.h" static unsigned long pblk_end_w_bio(struct pblk *pblk, struct nvm_rq *rqd, struct pblk_c_ctx *c_ctx) @@ -251,11 +252,13 @@ static void pblk_end_io_write(struct nvm_rq *rqd) if (rqd->error) { pblk_end_w_fail(pblk, rqd); return; - } + } else { + if (trace_pblk_chunk_state_enabled()) + pblk_check_chunk_state_update(pblk, rqd); #ifdef CONFIG_NVM_PBLK_DEBUG - else WARN_ONCE(rqd->bio->bi_status, "pblk: corrupted write error\n"); #endif + } pblk_complete_write(pblk, rqd, c_ctx); atomic_dec(&pblk->inflight_io); @@ -276,6 +279,9 @@ static void pblk_end_io_write_meta(struct nvm_rq *rqd) pblk_log_write_err(pblk, rqd); pblk_err(pblk, "metadata I/O failed. Line %d\n", line->id); line->w_err_gc->has_write_err = 1; + } else { + if (trace_pblk_chunk_state_enabled()) + pblk_check_chunk_state_update(pblk, rqd); } sync = atomic_add_return(rqd->nr_ppas, &emeta->sync); |