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dma-buf: add reservation_object_copy_fences (v2)

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Allows us to copy all the fences in a reservation object to another one.

v2: handle NULL src_list

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1502384509-10465-2-git-send-email-alexander.deucher@amd.com
This commit is contained in:
Christian König
2017-08-10 13:01:48 -04:00
committed by Alex Deucher
parent eac99d4a20
commit 7faf952a30
2 changed files with 63 additions and 0 deletions
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3
include/linux/reservation.h
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@@ -254,6 +254,9 @@ int reservation_object_get_fences_rcu(struct reservation_object *obj,
unsigned *pshared_count,
struct dma_fence ***pshared);
int reservation_object_copy_fences(struct reservation_object *dst,
struct reservation_object *src);
long reservation_object_wait_timeout_rcu(struct reservation_object *obj,
bool wait_all, bool intr,
unsigned long timeout);