diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/lightnvm/core.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 8afb04cc4d5a..04469e0c84ce 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -28,6 +28,7 @@ #include <linux/sched/sysctl.h> static LIST_HEAD(nvm_tgt_types); +static DECLARE_RWSEM(nvm_tgtt_lock); static LIST_HEAD(nvm_mgrs); static LIST_HEAD(nvm_devices); static DECLARE_RWSEM(nvm_lock); @@ -37,7 +38,7 @@ struct nvm_tgt_type *nvm_find_target_type(const char *name, int lock) struct nvm_tgt_type *tmp, *tt = NULL; if (lock) - down_write(&nvm_lock); + down_write(&nvm_tgtt_lock); list_for_each_entry(tmp, &nvm_tgt_types, list) if (!strcmp(name, tmp->name)) { @@ -46,7 +47,7 @@ struct nvm_tgt_type *nvm_find_target_type(const char *name, int lock) } if (lock) - up_write(&nvm_lock); + up_write(&nvm_tgtt_lock); return tt; } EXPORT_SYMBOL(nvm_find_target_type); @@ -55,12 +56,12 @@ int nvm_register_tgt_type(struct nvm_tgt_type *tt) { int ret = 0; - down_write(&nvm_lock); + down_write(&nvm_tgtt_lock); if (nvm_find_target_type(tt->name, 0)) ret = -EEXIST; else list_add(&tt->list, &nvm_tgt_types); - up_write(&nvm_lock); + up_write(&nvm_tgtt_lock); return ret; } |