diff options
Diffstat (limited to 'drivers/lightnvm')
| -rw-r--r-- | drivers/lightnvm/core.c | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index a600934fdd9c..01d098fb96ac 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -752,12 +752,36 @@ int nvm_submit_io(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd) } EXPORT_SYMBOL(nvm_submit_io); +static void nvm_sync_end_io(struct nvm_rq *rqd) +{ + struct completion *waiting = rqd->private; + + complete(waiting); +} + +static int nvm_submit_io_wait(struct nvm_dev *dev, struct nvm_rq *rqd) +{ + DECLARE_COMPLETION_ONSTACK(wait); + int ret = 0; + + rqd->end_io = nvm_sync_end_io; + rqd->private = &wait; + + ret = dev->ops->submit_io(dev, rqd); + if (ret) + return ret; + + wait_for_completion_io(&wait); + + return 0; +} + int nvm_submit_io_sync(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd) { struct nvm_dev *dev = tgt_dev->parent; int ret; - if (!dev->ops->submit_io_sync) + if (!dev->ops->submit_io) return -ENODEV; nvm_rq_tgt_to_dev(tgt_dev, rqd); @@ -765,9 +789,7 @@ int nvm_submit_io_sync(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd) rqd->dev = tgt_dev; rqd->flags = nvm_set_flags(&tgt_dev->geo, rqd); - /* In case of error, fail with right address format */ - ret = dev->ops->submit_io_sync(dev, rqd); - nvm_rq_dev_to_tgt(tgt_dev, rqd); + ret = nvm_submit_io_wait(dev, rqd); return ret; } @@ -788,12 +810,13 @@ EXPORT_SYMBOL(nvm_end_io); static int nvm_submit_io_sync_raw(struct nvm_dev *dev, struct nvm_rq *rqd) { - if (!dev->ops->submit_io_sync) + if (!dev->ops->submit_io) return -ENODEV; + rqd->dev = NULL; rqd->flags = nvm_set_flags(&dev->geo, rqd); - return dev->ops->submit_io_sync(dev, rqd); + return nvm_submit_io_wait(dev, rqd); } static int nvm_bb_chunk_sense(struct nvm_dev *dev, struct ppa_addr ppa) |