Rename struct channel to struct lttng_kernel_ring_buffer_channel

[lttng-modules.git] / src / lib / ringbuffer / ring_buffer_backend.c

diff --git a/src/lib/ringbuffer/ring_buffer_backend.c b/src/lib/ringbuffer/ring_buffer_backend.c
index 1625804f8b5ef845060c82221e293c9ed3a714d0..a5acbb6f8502f20c8c158759915aac3f1097517b 100644 (file)
--- a/src/lib/ringbuffer/ring_buffer_backend.c
+++ b/src/lib/ringbuffer/ring_buffer_backend.c
@@ -184,7 +184,7 @@ int lib_ring_buffer_backend_create(struct lib_ring_buffer_backend *bufb,
 {
        const struct lib_ring_buffer_config *config = &chanb->config;
 
-       bufb->chan = container_of(chanb, struct channel, backend);
+       bufb->chan = container_of(chanb, struct lttng_kernel_ring_buffer_channel, backend);
        bufb->cpu = cpu;
 
        return lib_ring_buffer_backend_allocate(config, bufb, chanb->buf_size,
@@ -248,7 +248,7 @@ void lib_ring_buffer_backend_reset(struct lib_ring_buffer_backend *bufb)
  */
 void channel_backend_reset(struct channel_backend *chanb)
 {
-       struct channel *chan = container_of(chanb, struct channel, backend);
+       struct lttng_kernel_ring_buffer_channel *chan = container_of(chanb, struct lttng_kernel_ring_buffer_channel, backend);
        const struct lib_ring_buffer_config *config = &chanb->config;
 
        /*
@@ -259,7 +259,7 @@ void channel_backend_reset(struct channel_backend *chanb)
        chanb->start_tsc = config->cb.ring_buffer_clock_read(chan);
 }
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0))
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0))
 
 /*
  * No need to implement a "dead" callback to do a buffer switch here,
@@ -291,7 +291,7 @@ int lttng_cpuhp_rb_backend_prepare(unsigned int cpu,
 }
 EXPORT_SYMBOL_GPL(lttng_cpuhp_rb_backend_prepare);
 
-#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */
+#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */
 
 #ifdef CONFIG_HOTPLUG_CPU
 
@@ -341,7 +341,7 @@ int lib_ring_buffer_cpu_hp_callback(struct notifier_block *nb,
 
 #endif
 
-#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */
+#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */
 
 /**
  * channel_backend_init - initialize a channel backend
@@ -366,7 +366,7 @@ int channel_backend_init(struct channel_backend *chanb,
                         const struct lib_ring_buffer_config *config,
                         void *priv, size_t subbuf_size, size_t num_subbuf)
 {
-       struct channel *chan = container_of(chanb, struct channel, backend);
+       struct lttng_kernel_ring_buffer_channel *chan = container_of(chanb, struct lttng_kernel_ring_buffer_channel, backend);
        unsigned int i;
        int ret;
 
@@ -419,13 +419,13 @@ int channel_backend_init(struct channel_backend *chanb,
                if (!chanb->buf)
                        goto free_cpumask;
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0))
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0))
                chanb->cpuhp_prepare.component = LTTNG_RING_BUFFER_BACKEND;
                ret = cpuhp_state_add_instance(lttng_rb_hp_prepare,
                        &chanb->cpuhp_prepare.node);
                if (ret)
                        goto free_bufs;
-#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */
+#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */
 
                {
                        /*
@@ -462,7 +462,7 @@ int channel_backend_init(struct channel_backend *chanb,
                        }
 #endif
                }
-#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */
+#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */
        } else {
                chanb->buf = kzalloc(sizeof(struct lib_ring_buffer), GFP_KERNEL);
                if (!chanb->buf)
@@ -477,18 +477,18 @@ int channel_backend_init(struct channel_backend *chanb,
 
 free_bufs:
        if (config->alloc == RING_BUFFER_ALLOC_PER_CPU) {
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0))
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0))
                /*
                 * Teardown of lttng_rb_hp_prepare instance
                 * on "add" error is handled within cpu hotplug,
                 * no teardown to do from the caller.
                 */
-#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */
+#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */
 #ifdef CONFIG_HOTPLUG_CPU
                put_online_cpus();
                unregister_hotcpu_notifier(&chanb->cpu_hp_notifier);
 #endif
-#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */
+#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */
                for_each_possible_cpu(i) {
                        struct lib_ring_buffer *buf =
                                per_cpu_ptr(chanb->buf, i);
@@ -517,15 +517,15 @@ void channel_backend_unregister_notifiers(struct channel_backend *chanb)
        const struct lib_ring_buffer_config *config = &chanb->config;
 
        if (config->alloc == RING_BUFFER_ALLOC_PER_CPU) {
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0))
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0))
                int ret;
 
                ret = cpuhp_state_remove_instance(lttng_rb_hp_prepare,
                                &chanb->cpuhp_prepare.node);
                WARN_ON(ret);
-#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */
+#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */
                unregister_hotcpu_notifier(&chanb->cpu_hp_notifier);
-#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0)) */
+#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */
        }
 }