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Call them vfio_group_[un]use_container() Signed-off-by: Jason Gunthorpe --- drivers/vfio/container.c | 14 ++++++-------- drivers/vfio/vfio.h | 4 ++-- drivers/vfio/vfio_main.c | 6 +++--- 3 files changed, 11 insertions(+), 13 deletions(-) diff --git a/drivers/vfio/container.c b/drivers/vfio/container.c index dd79a66ec62cad..499777930b08fa 100644 --- a/drivers/vfio/container.c +++ b/drivers/vfio/container.c @@ -511,10 +511,8 @@ void vfio_group_detach_container(struct vfio_group *group) vfio_container_put(container); } -int vfio_device_assign_container(struct vfio_device *device) +int vfio_group_use_container(struct vfio_group *group) { - struct vfio_group *group = device->group; - lockdep_assert_held(&group->group_lock); if (!group->container || !group->container->iommu_driver || @@ -529,13 +527,13 @@ int vfio_device_assign_container(struct vfio_device *device) return 0; } -void vfio_device_unassign_container(struct vfio_device *device) +void vfio_group_unuse_container(struct vfio_group *group) { - lockdep_assert_held_write(&device->group->group_lock); + lockdep_assert_held(&group->group_lock); - WARN_ON(device->group->container_users <= 1); - device->group->container_users--; - fput(device->group->opened_file); + WARN_ON(group->container_users <= 1); + group->container_users--; + fput(group->opened_file); } /* diff --git a/drivers/vfio/vfio.h b/drivers/vfio/vfio.h index bcad54bbab08c4..f95f4925b83bbd 100644 --- a/drivers/vfio/vfio.h +++ b/drivers/vfio/vfio.h @@ -112,8 +112,8 @@ void vfio_unregister_iommu_driver(const struct vfio_iommu_driver_ops *ops); bool vfio_assert_device_open(struct vfio_device *device); struct vfio_container *vfio_container_from_file(struct file *filep); -int vfio_device_assign_container(struct vfio_device *device); -void vfio_device_unassign_container(struct vfio_device *device); +int vfio_group_use_container(struct vfio_group *group); +void vfio_group_unuse_container(struct vfio_group *group); int vfio_container_attach_group(struct vfio_container *container, struct vfio_group *group); void vfio_group_detach_container(struct vfio_group *group); diff --git a/drivers/vfio/vfio_main.c b/drivers/vfio/vfio_main.c index 204443ba3b3cd9..8d809ecd982b39 100644 --- a/drivers/vfio/vfio_main.c +++ b/drivers/vfio/vfio_main.c @@ -749,7 +749,7 @@ static int vfio_device_first_open(struct vfio_device *device) * it during close_device. */ mutex_lock(&device->group->group_lock); - ret = vfio_device_assign_container(device); + ret = vfio_group_use_container(device->group); if (ret) goto err_module_put; @@ -764,7 +764,7 @@ static int vfio_device_first_open(struct vfio_device *device) return 0; err_container: - vfio_device_unassign_container(device); + vfio_group_unuse_container(device->group); err_module_put: device->kvm = NULL; mutex_unlock(&device->group->group_lock); @@ -781,7 +781,7 @@ static void vfio_device_last_close(struct vfio_device *device) if (device->ops->close_device) device->ops->close_device(device); device->kvm = NULL; - vfio_device_unassign_container(device); + vfio_group_unuse_container(device->group); mutex_unlock(&device->group->group_lock); 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Call them vfio_group_[un]use_container() Signed-off-by: Jason Gunthorpe --- drivers/vfio/container.c | 14 ++++++-------- drivers/vfio/vfio.h | 4 ++-- drivers/vfio/vfio_main.c | 6 +++--- 3 files changed, 11 insertions(+), 13 deletions(-) diff --git a/drivers/vfio/container.c b/drivers/vfio/container.c index dd79a66ec62cad..499777930b08fa 100644 --- a/drivers/vfio/container.c +++ b/drivers/vfio/container.c @@ -511,10 +511,8 @@ void vfio_group_detach_container(struct vfio_group *group) vfio_container_put(container); } -int vfio_device_assign_container(struct vfio_device *device) +int vfio_group_use_container(struct vfio_group *group) { - struct vfio_group *group = device->group; - lockdep_assert_held(&group->group_lock); if (!group->container || !group->container->iommu_driver || @@ -529,13 +527,13 @@ int vfio_device_assign_container(struct vfio_device *device) return 0; } -void vfio_device_unassign_container(struct vfio_device *device) +void vfio_group_unuse_container(struct vfio_group *group) { - lockdep_assert_held_write(&device->group->group_lock); + lockdep_assert_held(&group->group_lock); - WARN_ON(device->group->container_users <= 1); - device->group->container_users--; - fput(device->group->opened_file); + WARN_ON(group->container_users <= 1); + group->container_users--; + fput(group->opened_file); } /* diff --git a/drivers/vfio/vfio.h b/drivers/vfio/vfio.h index bcad54bbab08c4..f95f4925b83bbd 100644 --- a/drivers/vfio/vfio.h +++ b/drivers/vfio/vfio.h @@ -112,8 +112,8 @@ void vfio_unregister_iommu_driver(const struct vfio_iommu_driver_ops *ops); bool vfio_assert_device_open(struct vfio_device *device); struct vfio_container *vfio_container_from_file(struct file *filep); -int vfio_device_assign_container(struct vfio_device *device); -void vfio_device_unassign_container(struct vfio_device *device); +int vfio_group_use_container(struct vfio_group *group); +void vfio_group_unuse_container(struct vfio_group *group); int vfio_container_attach_group(struct vfio_container *container, struct vfio_group *group); void vfio_group_detach_container(struct vfio_group *group); diff --git a/drivers/vfio/vfio_main.c b/drivers/vfio/vfio_main.c index 204443ba3b3cd9..8d809ecd982b39 100644 --- a/drivers/vfio/vfio_main.c +++ b/drivers/vfio/vfio_main.c @@ -749,7 +749,7 @@ static int vfio_device_first_open(struct vfio_device *device) * it during close_device. */ mutex_lock(&device->group->group_lock); - ret = vfio_device_assign_container(device); + ret = vfio_group_use_container(device->group); if (ret) goto err_module_put; @@ -764,7 +764,7 @@ static int vfio_device_first_open(struct vfio_device *device) return 0; err_container: - vfio_device_unassign_container(device); + vfio_group_unuse_container(device->group); err_module_put: device->kvm = NULL; mutex_unlock(&device->group->group_lock); @@ -781,7 +781,7 @@ static void vfio_device_last_close(struct vfio_device *device) if (device->ops->close_device) device->ops->close_device(device); device->kvm = NULL; - vfio_device_unassign_container(device); + vfio_group_unuse_container(device->group); mutex_unlock(&device->group->group_lock); 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Call them vfio_group_[un]use_container() Signed-off-by: Jason Gunthorpe --- drivers/vfio/container.c | 14 ++++++-------- drivers/vfio/vfio.h | 4 ++-- drivers/vfio/vfio_main.c | 6 +++--- 3 files changed, 11 insertions(+), 13 deletions(-) diff --git a/drivers/vfio/container.c b/drivers/vfio/container.c index dd79a66ec62cad..499777930b08fa 100644 --- a/drivers/vfio/container.c +++ b/drivers/vfio/container.c @@ -511,10 +511,8 @@ void vfio_group_detach_container(struct vfio_group *group) vfio_container_put(container); } -int vfio_device_assign_container(struct vfio_device *device) +int vfio_group_use_container(struct vfio_group *group) { - struct vfio_group *group = device->group; - lockdep_assert_held(&group->group_lock); if (!group->container || !group->container->iommu_driver || @@ -529,13 +527,13 @@ int vfio_device_assign_container(struct vfio_device *device) return 0; } -void vfio_device_unassign_container(struct vfio_device *device) +void vfio_group_unuse_container(struct vfio_group *group) { - lockdep_assert_held_write(&device->group->group_lock); + lockdep_assert_held(&group->group_lock); - WARN_ON(device->group->container_users <= 1); - device->group->container_users--; - fput(device->group->opened_file); + WARN_ON(group->container_users <= 1); + group->container_users--; + fput(group->opened_file); } /* diff --git a/drivers/vfio/vfio.h b/drivers/vfio/vfio.h index bcad54bbab08c4..f95f4925b83bbd 100644 --- a/drivers/vfio/vfio.h +++ b/drivers/vfio/vfio.h @@ -112,8 +112,8 @@ void vfio_unregister_iommu_driver(const struct vfio_iommu_driver_ops *ops); bool vfio_assert_device_open(struct vfio_device *device); struct vfio_container *vfio_container_from_file(struct file *filep); -int vfio_device_assign_container(struct vfio_device *device); -void vfio_device_unassign_container(struct vfio_device *device); +int vfio_group_use_container(struct vfio_group *group); +void vfio_group_unuse_container(struct vfio_group *group); int vfio_container_attach_group(struct vfio_container *container, struct vfio_group *group); void vfio_group_detach_container(struct vfio_group *group); diff --git a/drivers/vfio/vfio_main.c b/drivers/vfio/vfio_main.c index 204443ba3b3cd9..8d809ecd982b39 100644 --- a/drivers/vfio/vfio_main.c +++ b/drivers/vfio/vfio_main.c @@ -749,7 +749,7 @@ static int vfio_device_first_open(struct vfio_device *device) * it during close_device. */ mutex_lock(&device->group->group_lock); - ret = vfio_device_assign_container(device); + ret = vfio_group_use_container(device->group); if (ret) goto err_module_put; @@ -764,7 +764,7 @@ static int vfio_device_first_open(struct vfio_device *device) return 0; err_container: - vfio_device_unassign_container(device); + vfio_group_unuse_container(device->group); err_module_put: device->kvm = NULL; mutex_unlock(&device->group->group_lock); @@ -781,7 +781,7 @@ static void vfio_device_last_close(struct vfio_device *device) if (device->ops->close_device) device->ops->close_device(device); device->kvm = NULL; - vfio_device_unassign_container(device); + vfio_group_unuse_container(device->group); mutex_unlock(&device->group->group_lock); module_put(device->dev->driver->owner); } -- 2.38.0