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Subject[PATCH 08/15] lightnvm: make address conversions depend on generic device
Date
On address conversions, use the generic device, instead of the target
device. This allows to use conversions outside of the target's realm.

Signed-off-by: Javier González <javier@cnexlabs.com>
---
drivers/lightnvm/core.c | 4 ++--
include/linux/lightnvm.h | 8 ++++----
2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 36d76de22dfc..ed33e0b11788 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -581,7 +581,7 @@ static void nvm_ppa_tgt_to_dev(struct nvm_tgt_dev *tgt_dev,

for (i = 0; i < nr_ppas; i++) {
nvm_map_to_dev(tgt_dev, &ppa_list[i]);
- ppa_list[i] = generic_to_dev_addr(tgt_dev, ppa_list[i]);
+ ppa_list[i] = generic_to_dev_addr(tgt_dev->parent, ppa_list[i]);
}
}

@@ -591,7 +591,7 @@ static void nvm_ppa_dev_to_tgt(struct nvm_tgt_dev *tgt_dev,
int i;

for (i = 0; i < nr_ppas; i++) {
- ppa_list[i] = dev_to_generic_addr(tgt_dev, ppa_list[i]);
+ ppa_list[i] = dev_to_generic_addr(tgt_dev->parent, ppa_list[i]);
nvm_map_to_tgt(tgt_dev, &ppa_list[i]);
}
}
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 73110adf27ad..e878b95aeec4 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -399,10 +399,10 @@ struct nvm_dev {
struct list_head targets;
};

-static inline struct ppa_addr generic_to_dev_addr(struct nvm_tgt_dev *tgt_dev,
+static inline struct ppa_addr generic_to_dev_addr(struct nvm_dev *dev,
struct ppa_addr r)
{
- struct nvm_geo *geo = &tgt_dev->geo;
+ struct nvm_geo *geo = &dev->geo;
struct ppa_addr l;

if (geo->version == NVM_OCSSD_SPEC_12) {
@@ -427,10 +427,10 @@ static inline struct ppa_addr generic_to_dev_addr(struct nvm_tgt_dev *tgt_dev,
return l;
}

-static inline struct ppa_addr dev_to_generic_addr(struct nvm_tgt_dev *tgt_dev,
+static inline struct ppa_addr dev_to_generic_addr(struct nvm_dev *dev,
struct ppa_addr r)
{
- struct nvm_geo *geo = &tgt_dev->geo;
+ struct nvm_geo *geo = &dev->geo;
struct ppa_addr l;

l.ppa = 0;
--
2.7.4
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