diff options
| author | Matias Bjørling | 2018-10-09 13:11:34 +0200 |
|---|---|---|
| committer | Jens Axboe | 2018-10-09 16:25:06 +0200 |
| commit | 656e33ca3d405196f94133babc4e38454a49cb73 (patch) | |
| tree | f16d906f4018ae89cf266c87f8e00666dc3f540a /drivers/lightnvm/core.c | |
| parent | lightnvm: pblk: fix rqd.error return value in pblk_blk_erase_sync (diff) | |
| download | kernel-qcow2-linux-656e33ca3d405196f94133babc4e38454a49cb73.tar.gz kernel-qcow2-linux-656e33ca3d405196f94133babc4e38454a49cb73.tar.xz kernel-qcow2-linux-656e33ca3d405196f94133babc4e38454a49cb73.zip | |
lightnvm: move device L2P detection to core
A 1.2 device is able to manage the logical to physical mapping
table internally or leave it to the host.
A target only supports one of those approaches, and therefore must
check on initialization. Move this check to core to avoid each target
implement the check.
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm/core.c')
| -rw-r--r-- | drivers/lightnvm/core.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 68553c7ae937..964352720a03 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -355,6 +355,11 @@ static int nvm_create_tgt(struct nvm_dev *dev, struct nvm_ioctl_create *create) return -EINVAL; } + if ((tt->flags & NVM_TGT_F_HOST_L2P) != (dev->geo.dom & NVM_RSP_L2P)) { + pr_err("nvm: device is incompatible with target L2P type.\n"); + return -EINVAL; + } + if (nvm_target_exists(create->tgtname)) { pr_err("nvm: target name already exists (%s)\n", create->tgtname); |