From: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
struct sync_pt was just wrapping around struct fence and creating an
extra abstraction layer. The only two members of struct sync_pt, child_list
and active_list, were moved to struct fence in an earlier commit. After
removing those two members struct sync_pt is nothing more than struct
fence, so remove it all and use struct fence directly.
Signed-off-by: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
---
drivers/staging/android/sw_sync.c | 23 ++++----
drivers/staging/android/sw_sync.h | 8 +--
drivers/staging/android/sync.c | 101 +++++++++++++++--------------------
drivers/staging/android/sync.h | 63 +++++++---------------
drivers/staging/android/sync_debug.c | 43 +++++++--------
drivers/staging/android/trace/sync.h | 14 ++---
include/linux/fence.h | 2 +
7 files changed, 110 insertions(+), 144 deletions(-)
diff --git a/drivers/staging/android/sw_sync.c b/drivers/staging/android/sw_sync.c
index f491dbc..3bee959 100644
--- a/drivers/staging/android/sw_sync.c
+++ b/drivers/staging/android/sw_sync.c
@@ -25,7 +25,7 @@
#include "sw_sync.h"
-struct sync_pt *sw_sync_pt_create(struct sw_sync_timeline *obj, u32 value)
+struct fence *sw_sync_pt_create(struct sw_sync_timeline *obj, u32 value)
{
struct sw_sync_pt *pt;
@@ -34,23 +34,23 @@ struct sync_pt *sw_sync_pt_create(struct sw_sync_timeline *obj, u32 value)
pt->value = value;
- return (struct sync_pt *)pt;
+ return (struct fence *)pt;
}
EXPORT_SYMBOL(sw_sync_pt_create);
-static int sw_sync_pt_has_signaled(struct sync_pt *sync_pt)
+static int sw_sync_fence_has_signaled(struct fence *fence)
{
- struct sw_sync_pt *pt = (struct sw_sync_pt *)sync_pt;
+ struct sw_sync_pt *pt = (struct sw_sync_pt *)fence;
struct sw_sync_timeline *obj =
- (struct sw_sync_timeline *)sync_pt_parent(sync_pt);
+ (struct sw_sync_timeline *)fence_parent(fence);
return (pt->value > obj->value) ? 0 : 1;
}
-static int sw_sync_fill_driver_data(struct sync_pt *sync_pt,
+static int sw_sync_fill_driver_data(struct fence *fence,
void *data, int size)
{
- struct sw_sync_pt *pt = (struct sw_sync_pt *)sync_pt;
+ struct sw_sync_pt *pt = (struct sw_sync_pt *)fence;
if (size < sizeof(pt->value))
return -ENOMEM;
@@ -68,20 +68,19 @@ static void sw_sync_timeline_value_str(struct sync_timeline *sync_timeline,
snprintf(str, size, "%d", timeline->value);
}
-static void sw_sync_pt_value_str(struct sync_pt *sync_pt,
- char *str, int size)
+static void sw_sync_fence_value_str(struct fence *fence, char *str, int size)
{
- struct sw_sync_pt *pt = (struct sw_sync_pt *)sync_pt;
+ struct sw_sync_pt *pt = (struct sw_sync_pt *)fence;
snprintf(str, size, "%d", pt->value);
}
static struct sync_timeline_ops sw_sync_timeline_ops = {
.driver_name = "sw_sync",
- .has_signaled = sw_sync_pt_has_signaled,
+ .has_signaled = sw_sync_fence_has_signaled,
.fill_driver_data = sw_sync_fill_driver_data,
.timeline_value_str = sw_sync_timeline_value_str,
- .pt_value_str = sw_sync_pt_value_str,
+ .fence_value_str = sw_sync_fence_value_str,
};
struct sw_sync_timeline *sw_sync_timeline_create(const char *name)
diff --git a/drivers/staging/android/sw_sync.h b/drivers/staging/android/sw_sync.h
index c87ae9e..e18667b 100644
--- a/drivers/staging/android/sw_sync.h
+++ b/drivers/staging/android/sw_sync.h
@@ -29,7 +29,7 @@ struct sw_sync_timeline {
};
struct sw_sync_pt {
- struct sync_pt pt;
+ struct fence pt;
u32 value;
};
@@ -38,7 +38,7 @@ struct sw_sync_pt {
struct sw_sync_timeline *sw_sync_timeline_create(const char *name);
void sw_sync_timeline_inc(struct sw_sync_timeline *obj, u32 inc);
-struct sync_pt *sw_sync_pt_create(struct sw_sync_timeline *obj, u32 value);
+struct fence *sw_sync_pt_create(struct sw_sync_timeline *obj, u32 value);
#else
static inline struct sw_sync_timeline *sw_sync_timeline_create(const char *name)
{
@@ -49,8 +49,8 @@ static inline void sw_sync_timeline_inc(struct sw_sync_timeline *obj, u32 inc)
{
}
-static inline struct sync_pt *sw_sync_pt_create(struct sw_sync_timeline *obj,
- u32 value)
+static inline struct fence *sw_sync_pt_create(struct sw_sync_timeline *obj,
+ u32 value)
{
return NULL;
}
diff --git a/drivers/staging/android/sync.c b/drivers/staging/android/sync.c
index 22b1d9b..3c2c8d0 100644
--- a/drivers/staging/android/sync.c
+++ b/drivers/staging/android/sync.c
@@ -102,51 +102,45 @@ void sync_timeline_signal(struct sync_timeline *obj)
{
unsigned long flags;
LIST_HEAD(signaled_pts);
- struct sync_pt *pt, *next;
+ struct fence *fence, *next;
trace_sync_timeline(obj);
spin_lock_irqsave(&obj->child_list_lock, flags);
- list_for_each_entry_safe(pt, next, &obj->active_list_head,
+ list_for_each_entry_safe(fence, next, &obj->active_list_head,
active_list) {
- if (fence_is_signaled_locked(&pt->base))
- list_del_init(&pt->active_list);
+ if (fence_is_signaled_locked(fence))
+ list_del_init(&fence->active_list);
}
spin_unlock_irqrestore(&obj->child_list_lock, flags);
}
EXPORT_SYMBOL(sync_timeline_signal);
-struct sync_pt *sync_pt_create(struct sync_timeline *obj, int size)
+struct fence *sync_pt_create(struct sync_timeline *obj, int size)
{
unsigned long flags;
- struct sync_pt *pt;
+ struct fence *fence;
- if (size < sizeof(struct sync_pt))
+ if (size < sizeof(*fence))
return NULL;
- pt = kzalloc(size, GFP_KERNEL);
- if (!pt)
+ fence = kzalloc(size, GFP_KERNEL);
+ if (!fence)
return NULL;
spin_lock_irqsave(&obj->child_list_lock, flags);
sync_timeline_get(obj);
- fence_init(&pt->base, &android_fence_ops, &obj->child_list_lock,
+ fence_init(fence, &android_fence_ops, &obj->child_list_lock,
obj->context, ++obj->value);
- list_add_tail(&pt->child_list, &obj->child_list_head);
- INIT_LIST_HEAD(&pt->active_list);
+ list_add_tail(&fence->child_list, &obj->child_list_head);
+ INIT_LIST_HEAD(&fence->active_list);
spin_unlock_irqrestore(&obj->child_list_lock, flags);
- return pt;
+ return fence;
}
EXPORT_SYMBOL(sync_pt_create);
-void sync_pt_free(struct sync_pt *pt)
-{
- fence_put(&pt->base);
-}
-EXPORT_SYMBOL(sync_pt_free);
-
static struct sync_file *sync_file_alloc(int size, const char *name)
{
struct sync_file *sync_file;
@@ -184,8 +178,8 @@ static void fence_check_cb_func(struct fence *f, struct fence_cb *cb)
wake_up_all(&sync_file->wq);
}
-/* TODO: implement a create which takes more that one sync_pt */
-struct sync_file *sync_file_create_dma(const char *name, struct fence *pt)
+/* TODO: implement a create which takes more that one fence */
+struct sync_file *sync_file_create_dma(const char *name, struct fence *fence)
{
struct sync_file *sync_file;
@@ -197,9 +191,10 @@ struct sync_file *sync_file_create_dma(const char *name, struct fence *pt)
sync_file->num_fences = 1;
atomic_set(&sync_file->status, 1);
- sync_file->cbs[0].fence = pt;
+ sync_file->cbs[0].fence = fence;
sync_file->cbs[0].sync_file = sync_file;
- if (fence_add_callback(pt, &sync_file->cbs[0].cb, fence_check_cb_func))
+ if (fence_add_callback(fence, &sync_file->cbs[0].cb,
+ fence_check_cb_func))
atomic_dec(&sync_file->status);
sync_file_debug_add(sync_file);
@@ -208,9 +203,9 @@ struct sync_file *sync_file_create_dma(const char *name, struct fence *pt)
}
EXPORT_SYMBOL(sync_file_create_dma);
-struct sync_file *sync_file_create(const char *name, struct sync_pt *pt)
+struct sync_file *sync_file_create(const char *name, struct fence *fence)
{
- return sync_file_create_dma(name, &pt->base);
+ return sync_file_create_dma(name, fence);
}
EXPORT_SYMBOL(sync_file_create);
@@ -245,14 +240,14 @@ void sync_file_install(struct sync_file *sync_file, int fd)
EXPORT_SYMBOL(sync_file_install);
static void sync_file_add_pt(struct sync_file *sync_file, int *i,
- struct fence *pt)
+ struct fence *fence)
{
- sync_file->cbs[*i].fence = pt;
+ sync_file->cbs[*i].fence = fence;
sync_file->cbs[*i].sync_file = sync_file;
- if (!fence_add_callback(pt, &sync_file->cbs[*i].cb,
+ if (!fence_add_callback(fence, &sync_file->cbs[*i].cb,
fence_check_cb_func)) {
- fence_get(pt);
+ fence_get(fence);
(*i)++;
}
}
@@ -328,7 +323,7 @@ int sync_file_wait(struct sync_file *sync_file, long timeout)
trace_sync_wait(sync_file, 1);
for (i = 0; i < sync_file->num_fences; ++i)
- trace_sync_pt(sync_file->cbs[i].fence);
+ trace_fence(sync_file->cbs[i].fence);
ret = wait_event_interruptible_timeout(sync_file->wq,
atomic_read(&sync_file->status) <= 0,
timeout);
@@ -356,43 +351,39 @@ EXPORT_SYMBOL(sync_file_wait);
static const char *android_fence_get_driver_name(struct fence *fence)
{
- struct sync_pt *pt = container_of(fence, struct sync_pt, base);
- struct sync_timeline *parent = sync_pt_parent(pt);
+ struct sync_timeline *parent = fence_parent(fence);
return parent->ops->driver_name;
}
static const char *android_fence_get_timeline_name(struct fence *fence)
{
- struct sync_pt *pt = container_of(fence, struct sync_pt, base);
- struct sync_timeline *parent = sync_pt_parent(pt);
+ struct sync_timeline *parent = fence_parent(fence);
return parent->name;
}
static void android_fence_release(struct fence *fence)
{
- struct sync_pt *pt = container_of(fence, struct sync_pt, base);
- struct sync_timeline *parent = sync_pt_parent(pt);
+ struct sync_timeline *parent = fence_parent(fence);
unsigned long flags;
spin_lock_irqsave(fence->lock, flags);
- list_del(&pt->child_list);
- if (WARN_ON_ONCE(!list_empty(&pt->active_list)))
- list_del(&pt->active_list);
+ list_del(&fence->child_list);
+ if (WARN_ON_ONCE(!list_empty(&fence->active_list)))
+ list_del(&fence->active_list);
spin_unlock_irqrestore(fence->lock, flags);
sync_timeline_put(parent);
- fence_free(&pt->base);
+ fence_free(fence);
}
static bool android_fence_signaled(struct fence *fence)
{
- struct sync_pt *pt = container_of(fence, struct sync_pt, base);
- struct sync_timeline *parent = sync_pt_parent(pt);
+ struct sync_timeline *parent = fence_parent(fence);
int ret;
- ret = parent->ops->has_signaled(pt);
+ ret = parent->ops->has_signaled(fence);
if (ret < 0)
fence->status = ret;
return ret;
@@ -400,46 +391,42 @@ static bool android_fence_signaled(struct fence *fence)
static bool android_fence_enable_signaling(struct fence *fence)
{
- struct sync_pt *pt = container_of(fence, struct sync_pt, base);
- struct sync_timeline *parent = sync_pt_parent(pt);
+ struct sync_timeline *parent = fence_parent(fence);
if (android_fence_signaled(fence))
return false;
- list_add_tail(&pt->active_list, &parent->active_list_head);
+ list_add_tail(&fence->active_list, &parent->active_list_head);
return true;
}
static int android_fence_fill_driver_data(struct fence *fence,
void *data, int size)
{
- struct sync_pt *pt = container_of(fence, struct sync_pt, base);
- struct sync_timeline *parent = sync_pt_parent(pt);
+ struct sync_timeline *parent = fence_parent(fence);
if (!parent->ops->fill_driver_data)
return 0;
- return parent->ops->fill_driver_data(pt, data, size);
+ return parent->ops->fill_driver_data(fence, data, size);
}
static void android_fence_value_str(struct fence *fence,
char *str, int size)
{
- struct sync_pt *pt = container_of(fence, struct sync_pt, base);
- struct sync_timeline *parent = sync_pt_parent(pt);
+ struct sync_timeline *parent = fence_parent(fence);
- if (!parent->ops->pt_value_str) {
+ if (!parent->ops->fence_value_str) {
if (size)
*str = 0;
return;
}
- parent->ops->pt_value_str(pt, str, size);
+ parent->ops->fence_value_str(fence, str, size);
}
static void android_fence_timeline_value_str(struct fence *fence,
char *str, int size)
{
- struct sync_pt *pt = container_of(fence, struct sync_pt, base);
- struct sync_timeline *parent = sync_pt_parent(pt);
+ struct sync_timeline *parent = fence_parent(fence);
if (!parent->ops->timeline_value_str) {
if (size)
@@ -624,9 +611,9 @@ static long sync_file_ioctl_fence_info(struct sync_file *sync_file,
len = sizeof(struct sync_file_info_data);
for (i = 0; i < sync_file->num_fences; ++i) {
- struct fence *pt = sync_file->cbs[i].fence;
+ struct fence *fence = sync_file->cbs[i].fence;
- ret = sync_fill_pt_info(pt, (u8 *)data + len, size - len);
+ ret = sync_fill_pt_info(fence, (u8 *)data + len, size - len);
if (ret < 0)
goto out;
diff --git a/drivers/staging/android/sync.h b/drivers/staging/android/sync.h
index a18d1e3..8cdac1a 100644
--- a/drivers/staging/android/sync.h
+++ b/drivers/staging/android/sync.h
@@ -24,7 +24,6 @@
#include "uapi/sync.h"
struct sync_timeline;
-struct sync_pt;
struct sync_file;
/**
@@ -39,23 +38,23 @@ struct sync_file;
* as specified by size. This information is returned
* to userspace by SYNC_IOC_FENCE_INFO.
* @timeline_value_str: fill str with the value of the sync_timeline's counter
- * @pt_value_str: fill str with the value of the sync_pt
+ * @fence_value_str: fill str with the value of the fence
*/
struct sync_timeline_ops {
const char *driver_name;
/* required */
- int (*has_signaled)(struct sync_pt *pt);
+ int (*has_signaled)(struct fence *fence);
/* optional */
- int (*fill_driver_data)(struct sync_pt *syncpt, void *data, int size);
+ int (*fill_driver_data)(struct fence *fence, void *data, int size);
/* optional */
void (*timeline_value_str)(struct sync_timeline *timeline, char *str,
int size);
/* optional */
- void (*pt_value_str)(struct sync_pt *pt, char *str, int size);
+ void (*fence_value_str)(struct fence *fence, char *str, int size);
};
/**
@@ -66,7 +65,7 @@ struct sync_timeline_ops {
* @destroyed: set when sync_timeline is destroyed
* @child_list_head: list of children sync_pts for this sync_timeline
* @child_list_lock: lock protecting @child_list_head, destroyed, and
- * sync_pt.status
+ * fence.status
* @active_list_head: list of active (unsignaled/errored) sync_pts
* @sync_timeline_list: membership in global sync_timeline_list
*/
@@ -89,22 +88,9 @@ struct sync_timeline {
#endif
};
-/**
- * struct sync_pt - sync point
- * @base: base fence class
- * @child_list: membership in sync_timeline.child_list_head
- * @active_list: membership in sync_timeline.active_list_head
- */
-struct sync_pt {
- struct fence base;
-
- struct list_head child_list;
- struct list_head active_list;
-};
-
-static inline struct sync_timeline *sync_pt_parent(struct sync_pt *pt)
+static inline struct sync_timeline *fence_parent(struct fence *fence)
{
- return container_of(pt->base.lock, struct sync_timeline,
+ return container_of(fence->lock, struct sync_timeline,
child_list_lock);
}
@@ -164,7 +150,7 @@ struct sync_timeline *sync_timeline_create(const struct sync_timeline_ops *ops,
*
* A sync implementation should call this when the @obj is going away
* (i.e. module unload.) @obj won't actually be freed until all its children
- * sync_pts are freed.
+ * fences are freed.
*/
void sync_timeline_destroy(struct sync_timeline *obj);
@@ -172,41 +158,32 @@ void sync_timeline_destroy(struct sync_timeline *obj);
* sync_timeline_signal() - signal a status change on a sync_timeline
* @obj: sync_timeline to signal
*
- * A sync implementation should call this any time one of it's sync_pts
+ * A sync implementation should call this any time one of it's fences
* has signaled or has an error condition.
*/
void sync_timeline_signal(struct sync_timeline *obj);
/**
* sync_pt_create() - creates a sync pt
- * @parent: sync_pt's parent sync_timeline
+ * @parent: fence's parent sync_timeline
* @size: size to allocate for this pt
*
- * Creates a new sync_pt as a child of @parent. @size bytes will be
+ * Creates a new fence as a child of @parent. @size bytes will be
* allocated allowing for implementation specific data to be kept after
- * the generic sync_timeline struct. Returns the sync_pt object or
+ * the generic sync_timeline struct. Returns the fence object or
* NULL in case of error.
*/
-struct sync_pt *sync_pt_create(struct sync_timeline *parent, int size);
+struct fence *sync_pt_create(struct sync_timeline *parent, int size);
/**
- * sync_pt_free() - frees a sync pt
- * @pt: sync_pt to free
+ * sync_fence_create() - creates a sync fence
+ * @name: name of fence to create
+ * @fence: fence to add to the sync_fence
*
- * This should only be called on sync_pts which have been created but
- * not added to a fence.
- */
-void sync_pt_free(struct sync_pt *pt);
-
-/**
- * sync_file_create() - creates a sync file
- * @name: name of file to create
- * @pt: sync_pt to add to the file
- *
- * Creates a sync_file containg @pt. Once this is called, the sync_file takes
- * ownership of @pt.
+ * Creates a sync_file containg @fence. Once this is called, the sync_file
+ * takes ownership of @fence.
*/
-struct sync_file *sync_file_create(const char *name, struct sync_pt *pt);
+struct sync_file *sync_file_create(const char *name, struct fence *fence);
/**
* sync_file_create_dma() - creates a sync file from dma-fence
@@ -228,7 +205,7 @@ struct sync_file *sync_file_create_dma(const char *name, struct fence *pt);
* @a: sync_file a
* @b: sync_file b
*
- * Creates a new sync_file which contains copies of all the sync_pts in both
+ * Creates a new sync_file which contains copies of all the fences in both
* @a and @b. @a and @b remain valid, independent sync_file. Returns the
* new merged sync_file or NULL in case of error.
*/
diff --git a/drivers/staging/android/sync_debug.c b/drivers/staging/android/sync_debug.c
index 1889b5b..7e53da7 100644
--- a/drivers/staging/android/sync_debug.c
+++ b/drivers/staging/android/sync_debug.c
@@ -85,39 +85,40 @@ static const char *sync_status_str(int status)
return "error";
}
-static void sync_print_pt(struct seq_file *s, struct fence *pt, bool fence)
+static void sync_print_fence(struct seq_file *s, struct fence *fence, bool show)
{
int status = 1;
+ struct sync_timeline *parent = fence_parent(fence);
- if (fence_is_signaled_locked(pt))
- status = pt->status;
+ if (fence_is_signaled_locked(fence))
+ status = fence->status;
- seq_printf(s, " %s%spt %s",
- fence && pt->ops->get_timeline_name ?
- pt->ops->get_timeline_name(pt) : "",
- fence ? "_" : "",
+ seq_printf(s, " %s%sfence %s",
+ show ? parent->name : "",
+ show ? "_" : "",
sync_status_str(status));
if (status <= 0) {
struct timespec64 ts64 =
- ktime_to_timespec64(pt->timestamp);
+ ktime_to_timespec64(fence->timestamp);
seq_printf(s, "@%lld.%09ld", (s64)ts64.tv_sec, ts64.tv_nsec);
}
- if ((!fence || pt->ops->timeline_value_str) &&
- pt->ops->fence_value_str) {
+ if ((!fence || fence->ops->timeline_value_str) &&
+ fence->ops->fence_value_str) {
char value[64];
bool success;
- pt->ops->fence_value_str(pt, value, sizeof(value));
+ fence->ops->fence_value_str(fence, value, sizeof(value));
success = strlen(value);
if (success)
seq_printf(s, ": %s", value);
if (success && fence) {
- pt->ops->timeline_value_str(pt, value, sizeof(value));
+ fence->ops->timeline_value_str(fence, value,
+ sizeof(value));
if (strlen(value))
seq_printf(s, " / %s", value);
@@ -145,9 +146,9 @@ static void sync_print_obj(struct seq_file *s, struct sync_timeline *obj)
spin_lock_irqsave(&obj->child_list_lock, flags);
list_for_each(pos, &obj->child_list_head) {
- struct sync_pt *pt =
- container_of(pos, struct sync_pt, child_list);
- sync_print_pt(s, &pt->base, false);
+ struct fence *fence =
+ container_of(pos, struct fence, child_list);
+ sync_print_fence(s, fence, false);
}
spin_unlock_irqrestore(&obj->child_list_lock, flags);
}
@@ -161,7 +162,7 @@ static void sync_print_sync_file(struct seq_file *s,
sync_status_str(atomic_read(&sync_file->status)));
for (i = 0; i < sync_file->num_fences; ++i) {
- sync_print_pt(s, sync_file->cbs[i].fence, true);
+ sync_print_fence(s, sync_file->cbs[i].fence, true);
}
}
@@ -245,7 +246,7 @@ static long sw_sync_ioctl_create_fence(struct sw_sync_timeline *obj,
{
int fd = get_unused_fd_flags(O_CLOEXEC);
int err;
- struct sync_pt *pt;
+ struct fence *fence;
struct sync_file *sync_file;
struct sw_sync_create_fence_data data;
@@ -257,16 +258,16 @@ static long sw_sync_ioctl_create_fence(struct sw_sync_timeline *obj,
goto err;
}
- pt = sw_sync_pt_create(obj, data.value);
- if (!pt) {
+ fence = sw_sync_pt_create(obj, data.value);
+ if (!fence) {
err = -ENOMEM;
goto err;
}
data.name[sizeof(data.name) - 1] = '\0';
- sync_file = sync_file_create(data.name, pt);
+ sync_file = sync_file_create(data.name, fence);
if (!sync_file) {
- sync_pt_free(pt);
+ fence_put(fence);
err = -ENOMEM;
goto err;
}
diff --git a/drivers/staging/android/trace/sync.h b/drivers/staging/android/trace/sync.h
index 80f5da4..87c60e9 100644
--- a/drivers/staging/android/trace/sync.h
+++ b/drivers/staging/android/trace/sync.h
@@ -53,20 +53,20 @@ TRACE_EVENT(sync_wait,
__get_str(name), __entry->status)
);
-TRACE_EVENT(sync_pt,
- TP_PROTO(struct fence *pt),
+TRACE_EVENT(fence,
+ TP_PROTO(struct fence *fence),
- TP_ARGS(pt),
+ TP_ARGS(fence),
TP_STRUCT__entry(
- __string(timeline, pt->ops->get_timeline_name(pt))
+ __string(timeline, fence->ops->get_timeline_name(fence))
__array(char, value, 32)
),
TP_fast_assign(
- __assign_str(timeline, pt->ops->get_timeline_name(pt));
- if (pt->ops->fence_value_str) {
- pt->ops->fence_value_str(pt, __entry->value,
+ __assign_str(timeline, fence->ops->get_timeline_name(fence));
+ if (fence->ops->fence_value_str) {
+ fence->ops->fence_value_str(fence, __entry->value,
sizeof(__entry->value));
} else {
__entry->value[0] = '\0';
diff --git a/include/linux/fence.h b/include/linux/fence.h
index bb52201..605bd88 100644
--- a/include/linux/fence.h
+++ b/include/linux/fence.h
@@ -79,6 +79,8 @@ struct fence {
unsigned long flags;
ktime_t timestamp;
int status;
+ struct list_head child_list;
+ struct list_head active_list;
};
enum fence_flag_bits {
--
2.5.0
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