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| author | Javier González | 2017-06-26 11:57:13 +0200 |
|---|---|---|
| committer | Jens Axboe | 2017-06-27 00:24:53 +0200 |
| commit | db7ada33cdcae7fef0a088141b1e4ab8c25fd395 (patch) | |
| tree | 10e098319a92916b999c5b52e532306ec65e9f57 /drivers/lightnvm/pblk-init.c | |
| parent | lightnvm: pblk: spare double cpu_to_le64 calc. (diff) | |
| download | kernel-qcow2-linux-db7ada33cdcae7fef0a088141b1e4ab8c25fd395.tar.gz kernel-qcow2-linux-db7ada33cdcae7fef0a088141b1e4ab8c25fd395.tar.xz kernel-qcow2-linux-db7ada33cdcae7fef0a088141b1e4ab8c25fd395.zip | |
lightnvm: pblk: add debug stat for read cache hits
Add a new debug counter to measure cache hits on the read path
Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <matias@cnexlabs.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm/pblk-init.c')
| -rw-r--r-- | drivers/lightnvm/pblk-init.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c index aaefbccce30e..2d79336748ee 100644 --- a/drivers/lightnvm/pblk-init.c +++ b/drivers/lightnvm/pblk-init.c @@ -839,6 +839,7 @@ static void *pblk_init(struct nvm_tgt_dev *dev, struct gendisk *tdisk, atomic_long_set(&pblk->sync_writes, 0); atomic_long_set(&pblk->compl_writes, 0); atomic_long_set(&pblk->inflight_reads, 0); + atomic_long_set(&pblk->cache_reads, 0); atomic_long_set(&pblk->sync_reads, 0); atomic_long_set(&pblk->recov_writes, 0); atomic_long_set(&pblk->recov_writes, 0); |