diff options
| -rw-r--r-- | drivers/lightnvm/core.c | 47 | ||||
| -rw-r--r-- | include/linux/lightnvm.h | 1 |
2 files changed, 25 insertions, 23 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 240b4731c35e..0296223392f7 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -33,8 +33,20 @@ static LIST_HEAD(nvm_tgt_types); static LIST_HEAD(nvm_mgrs); static LIST_HEAD(nvm_devices); +static LIST_HEAD(nvm_targets); static DECLARE_RWSEM(nvm_lock); +static struct nvm_target *nvm_find_target(const char *name) +{ + struct nvm_target *tgt; + + list_for_each_entry(tgt, &nvm_targets, list) + if (!strcmp(name, tgt->disk->disk_name)) + return tgt; + + return NULL; +} + static struct nvm_tgt_type *nvm_find_target_type(const char *name) { struct nvm_tgt_type *tt; @@ -564,7 +576,6 @@ static int nvm_core_init(struct nvm_dev *dev) goto err_fmtype; } - INIT_LIST_HEAD(&dev->online_targets); mutex_init(&dev->mlock); spin_lock_init(&dev->lock); @@ -744,12 +755,11 @@ static int nvm_create_target(struct nvm_dev *dev, return -EINVAL; } - list_for_each_entry(t, &dev->online_targets, list) { - if (!strcmp(create->tgtname, t->disk->disk_name)) { - pr_err("nvm: target name already exists.\n"); - up_write(&nvm_lock); - return -EINVAL; - } + t = nvm_find_target(create->tgtname); + if (t) { + pr_err("nvm: target name already exists.\n"); + up_write(&nvm_lock); + return -EINVAL; } up_write(&nvm_lock); @@ -789,7 +799,7 @@ static int nvm_create_target(struct nvm_dev *dev, t->disk = tdisk; down_write(&nvm_lock); - list_add_tail(&t->list, &dev->online_targets); + list_add_tail(&t->list, &nvm_targets); up_write(&nvm_lock); return 0; @@ -852,26 +862,19 @@ static int __nvm_configure_create(struct nvm_ioctl_create *create) static int __nvm_configure_remove(struct nvm_ioctl_remove *remove) { - struct nvm_target *t = NULL; - struct nvm_dev *dev; - int ret = -1; + struct nvm_target *t; down_write(&nvm_lock); - list_for_each_entry(dev, &nvm_devices, devices) - list_for_each_entry(t, &dev->online_targets, list) { - if (!strcmp(remove->tgtname, t->disk->disk_name)) { - nvm_remove_target(t); - ret = 0; - break; - } - } - up_write(&nvm_lock); - - if (ret) { + t = nvm_find_target(remove->tgtname); + if (!t) { pr_err("nvm: target \"%s\" doesn't exist.\n", remove->tgtname); + up_write(&nvm_lock); return -EINVAL; } + nvm_remove_target(t); + up_write(&nvm_lock); + return 0; } diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h index 497da91510b2..5eabdbaa87bc 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -308,7 +308,6 @@ struct nvm_dev { struct nvm_dev_ops *ops; struct list_head devices; - struct list_head online_targets; /* Media manager */ struct nvmm_type *mt; |