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| author | Javier González <jg@lightnvm.io> | 2016-11-28 22:39:12 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-11-29 12:12:51 -0700 |
| commit | a279006afa3377493c4240395c70430f2a9b0d2b (patch) | |
| tree | 62ee298ab61bd4a06d35f6d303ddfc526032882b /drivers/lightnvm/core.c | |
| parent | 959e911b31981b52ed3f3d6e351b107bcb9163ef (diff) | |
| download | linux-a279006afa3377493c4240395c70430f2a9b0d2b.tar.gz linux-a279006afa3377493c4240395c70430f2a9b0d2b.tar.bz2 linux-a279006afa3377493c4240395c70430f2a9b0d2b.zip | |
lightnvm: introduce max_phys_sects helper function
Target devices do not have access to the device driver operations.
Introduce a helper function that exposes the max. number of physical
sectors supported by the underlying device.
Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/lightnvm/core.c')
| -rw-r--r-- | drivers/lightnvm/core.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 69f261e650bc..3d8eaac99ba8 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -203,6 +203,14 @@ int nvm_set_bb_tbl(struct nvm_dev *dev, struct ppa_addr *ppas, int nr_ppas, } EXPORT_SYMBOL(nvm_set_bb_tbl); +int nvm_max_phys_sects(struct nvm_tgt_dev *tgt_dev) +{ + struct nvm_dev *dev = tgt_dev->parent; + + return dev->ops->max_phys_sect; +} +EXPORT_SYMBOL(nvm_max_phys_sects); + int nvm_submit_io(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd) { struct nvm_dev *dev = tgt_dev->parent; |