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lightnvm: move metadata mapping to lower level driver

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Now that blk_rq_map_kern can map both kmem and vmem, move internal
metadata mapping down to the lower level driver.

Reviewed-by: Javier González <javier@javigon.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Hans Holmberg <hans@owltronix.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Hans Holmberg
2019-07-31 11:41:34 +02:00
committed by Jens Axboe
parent 98d87f70f4
commit 48e5da7255
8 changed files with 54 additions and 190 deletions
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16
drivers/lightnvm/core.c
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@@ -731,7 +731,7 @@ static int nvm_set_flags(struct nvm_geo *geo, struct nvm_rq *rqd)
return flags;
}
int nvm_submit_io(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd)
int nvm_submit_io(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd, void *buf)
{
struct nvm_dev *dev = tgt_dev->parent;
int ret;
@@ -745,7 +745,7 @@ int nvm_submit_io(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd)
rqd->flags = nvm_set_flags(&tgt_dev->geo, rqd);
/* In case of error, fail with right address format */
ret = dev->ops->submit_io(dev, rqd);
ret = dev->ops->submit_io(dev, rqd, buf);
if (ret)
nvm_rq_dev_to_tgt(tgt_dev, rqd);
return ret;
@@ -759,7 +759,8 @@ static void nvm_sync_end_io(struct nvm_rq *rqd)
complete(waiting);
}
static int nvm_submit_io_wait(struct nvm_dev *dev, struct nvm_rq *rqd)
static int nvm_submit_io_wait(struct nvm_dev *dev, struct nvm_rq *rqd,
void *buf)
{
DECLARE_COMPLETION_ONSTACK(wait);
int ret = 0;
@@ -767,7 +768,7 @@ static int nvm_submit_io_wait(struct nvm_dev *dev, struct nvm_rq *rqd)
rqd->end_io = nvm_sync_end_io;
rqd->private = &wait;
ret = dev->ops->submit_io(dev, rqd);
ret = dev->ops->submit_io(dev, rqd, buf);
if (ret)
return ret;
@@ -776,7 +777,8 @@ static int nvm_submit_io_wait(struct nvm_dev *dev, struct nvm_rq *rqd)
return 0;
}
int nvm_submit_io_sync(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd)
int nvm_submit_io_sync(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd,
void *buf)
{
struct nvm_dev *dev = tgt_dev->parent;
int ret;
@@ -789,7 +791,7 @@ 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);
ret = nvm_submit_io_wait(dev, rqd);
ret = nvm_submit_io_wait(dev, rqd, buf);
return ret;
}
@@ -816,7 +818,7 @@ static int nvm_submit_io_sync_raw(struct nvm_dev *dev, struct nvm_rq *rqd)
rqd->dev = NULL;
rqd->flags = nvm_set_flags(&dev->geo, rqd);
return nvm_submit_io_wait(dev, rqd);
return nvm_submit_io_wait(dev, rqd, NULL);
}
static int nvm_bb_chunk_sense(struct nvm_dev *dev, struct ppa_addr ppa)