diff options
Diffstat (limited to 'drivers/lightnvm/core.c')
| -rw-r--r-- | drivers/lightnvm/core.c | 55 |
1 files changed, 23 insertions, 32 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index c784ddcd4405..1cac0f8bc0dc 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -27,6 +27,8 @@ #include <linux/lightnvm.h> #include <linux/sched/sysctl.h> +#include "lightnvm.h" + static LIST_HEAD(nvm_tgt_types); static DECLARE_RWSEM(nvm_tgtt_lock); static LIST_HEAD(nvm_mgrs); @@ -581,6 +583,8 @@ static int nvm_core_init(struct nvm_dev *dev) mutex_init(&dev->mlock); spin_lock_init(&dev->lock); + blk_queue_logical_block_size(dev->q, dev->sec_size); + return 0; err_fmtype: kfree(dev->lun_map); @@ -596,15 +600,19 @@ static void nvm_free_mgr(struct nvm_dev *dev) dev->mt = NULL; } -static void nvm_free(struct nvm_dev *dev) +void nvm_free(struct nvm_dev *dev) { if (!dev) return; nvm_free_mgr(dev); + if (dev->dma_pool) + dev->ops->destroy_dma_pool(dev->dma_pool); + kfree(dev->lptbl); kfree(dev->lun_map); + kfree(dev); } static int nvm_init(struct nvm_dev *dev) @@ -651,30 +659,19 @@ err: static void nvm_exit(struct nvm_dev *dev) { - if (dev->dma_pool) - dev->ops->destroy_dma_pool(dev->dma_pool); - nvm_free(dev); + nvm_sysfs_unregister_dev(dev); +} - pr_info("nvm: successfully unloaded\n"); +struct nvm_dev *nvm_alloc_dev(int node) +{ + return kzalloc_node(sizeof(struct nvm_dev), GFP_KERNEL, node); } +EXPORT_SYMBOL(nvm_alloc_dev); -int nvm_register(struct request_queue *q, char *disk_name, - struct nvm_dev_ops *ops) +int nvm_register(struct nvm_dev *dev) { - struct nvm_dev *dev; int ret; - if (!ops->identity) - return -EINVAL; - - dev = kzalloc(sizeof(struct nvm_dev), GFP_KERNEL); - if (!dev) - return -ENOMEM; - - dev->q = q; - dev->ops = ops; - strncpy(dev->name, disk_name, DISK_NAME_LEN); - ret = nvm_init(dev); if (ret) goto err_init; @@ -694,6 +691,10 @@ int nvm_register(struct request_queue *q, char *disk_name, } } + ret = nvm_sysfs_register_dev(dev); + if (ret) + goto err_ppalist; + if (dev->identity.cap & NVM_ID_DCAP_BBLKMGMT) { ret = nvm_get_sysblock(dev, &dev->sb); if (!ret) @@ -710,31 +711,21 @@ int nvm_register(struct request_queue *q, char *disk_name, up_write(&nvm_lock); return 0; +err_ppalist: + dev->ops->destroy_dma_pool(dev->dma_pool); err_init: kfree(dev->lun_map); - kfree(dev); return ret; } EXPORT_SYMBOL(nvm_register); -void nvm_unregister(char *disk_name) +void nvm_unregister(struct nvm_dev *dev) { - struct nvm_dev *dev; - down_write(&nvm_lock); - dev = nvm_find_nvm_dev(disk_name); - if (!dev) { - pr_err("nvm: could not find device %s to unregister\n", - disk_name); - up_write(&nvm_lock); - return; - } - list_del(&dev->devices); up_write(&nvm_lock); nvm_exit(dev); - kfree(dev); } EXPORT_SYMBOL(nvm_unregister); |