From: Jason Ekstrand <jason@jlekstrand.net> To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: Jason Ekstrand <jason@jlekstrand.net> Subject: [PATCH 11/27] drm/i915/request: Remove the hook from await_execution Date: Mon, 3 May 2021 10:57:32 -0500 [thread overview] Message-ID: <20210503155748.1961781-12-jason@jlekstrand.net> (raw) In-Reply-To: <20210503155748.1961781-1-jason@jlekstrand.net> This was only ever used for FENCE_SUBMIT automatic engine selection which was removed in the previous commit. Signed-off-by: Jason Ekstrand <jason@jlekstrand.net> --- .../gpu/drm/i915/gem/i915_gem_execbuffer.c | 3 +- drivers/gpu/drm/i915/i915_request.c | 42 ++++--------------- drivers/gpu/drm/i915/i915_request.h | 4 +- 3 files changed, 9 insertions(+), 40 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index efb2fa3522a42..7024adcd5cf15 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -3473,8 +3473,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, if (in_fence) { if (args->flags & I915_EXEC_FENCE_SUBMIT) err = i915_request_await_execution(eb.request, - in_fence, - NULL); + in_fence); else err = i915_request_await_dma_fence(eb.request, in_fence); diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c index bec9c3652188b..7e00218b8c105 100644 --- a/drivers/gpu/drm/i915/i915_request.c +++ b/drivers/gpu/drm/i915/i915_request.c @@ -49,7 +49,6 @@ struct execute_cb { struct irq_work work; struct i915_sw_fence *fence; - void (*hook)(struct i915_request *rq, struct dma_fence *signal); struct i915_request *signal; }; @@ -180,17 +179,6 @@ static void irq_execute_cb(struct irq_work *wrk) kmem_cache_free(global.slab_execute_cbs, cb); } -static void irq_execute_cb_hook(struct irq_work *wrk) -{ - struct execute_cb *cb = container_of(wrk, typeof(*cb), work); - - cb->hook(container_of(cb->fence, struct i915_request, submit), - &cb->signal->fence); - i915_request_put(cb->signal); - - irq_execute_cb(wrk); -} - static __always_inline void __notify_execute_cb(struct i915_request *rq, bool (*fn)(struct irq_work *wrk)) { @@ -517,17 +505,12 @@ static bool __request_in_flight(const struct i915_request *signal) static int __await_execution(struct i915_request *rq, struct i915_request *signal, - void (*hook)(struct i915_request *rq, - struct dma_fence *signal), gfp_t gfp) { struct execute_cb *cb; - if (i915_request_is_active(signal)) { - if (hook) - hook(rq, &signal->fence); + if (i915_request_is_active(signal)) return 0; - } cb = kmem_cache_alloc(global.slab_execute_cbs, gfp); if (!cb) @@ -537,12 +520,6 @@ __await_execution(struct i915_request *rq, i915_sw_fence_await(cb->fence); init_irq_work(&cb->work, irq_execute_cb); - if (hook) { - cb->hook = hook; - cb->signal = i915_request_get(signal); - cb->work.func = irq_execute_cb_hook; - } - /* * Register the callback first, then see if the signaler is already * active. This ensures that if we race with the @@ -1253,7 +1230,7 @@ emit_semaphore_wait(struct i915_request *to, goto await_fence; /* Only submit our spinner after the signaler is running! */ - if (__await_execution(to, from, NULL, gfp)) + if (__await_execution(to, from, gfp)) goto await_fence; if (__emit_semaphore_wait(to, from, from->fence.seqno)) @@ -1284,16 +1261,14 @@ static int intel_timeline_sync_set_start(struct intel_timeline *tl, static int __i915_request_await_execution(struct i915_request *to, - struct i915_request *from, - void (*hook)(struct i915_request *rq, - struct dma_fence *signal)) + struct i915_request *from) { int err; GEM_BUG_ON(intel_context_is_barrier(from->context)); /* Submit both requests at the same time */ - err = __await_execution(to, from, hook, I915_FENCE_GFP); + err = __await_execution(to, from, I915_FENCE_GFP); if (err) return err; @@ -1406,9 +1381,7 @@ i915_request_await_external(struct i915_request *rq, struct dma_fence *fence) int i915_request_await_execution(struct i915_request *rq, - struct dma_fence *fence, - void (*hook)(struct i915_request *rq, - struct dma_fence *signal)) + struct dma_fence *fence) { struct dma_fence **child = &fence; unsigned int nchild = 1; @@ -1441,8 +1414,7 @@ i915_request_await_execution(struct i915_request *rq, if (dma_fence_is_i915(fence)) ret = __i915_request_await_execution(rq, - to_request(fence), - hook); + to_request(fence)); else ret = i915_request_await_external(rq, fence); if (ret < 0) @@ -1468,7 +1440,7 @@ await_request_submit(struct i915_request *to, struct i915_request *from) &from->submit, I915_FENCE_GFP); else - return __i915_request_await_execution(to, from, NULL); + return __i915_request_await_execution(to, from); } static int diff --git a/drivers/gpu/drm/i915/i915_request.h b/drivers/gpu/drm/i915/i915_request.h index 270f6cd37650c..63b087a7f5707 100644 --- a/drivers/gpu/drm/i915/i915_request.h +++ b/drivers/gpu/drm/i915/i915_request.h @@ -352,9 +352,7 @@ int i915_request_await_object(struct i915_request *to, int i915_request_await_dma_fence(struct i915_request *rq, struct dma_fence *fence); int i915_request_await_execution(struct i915_request *rq, - struct dma_fence *fence, - void (*hook)(struct i915_request *rq, - struct dma_fence *signal)); + struct dma_fence *fence); void i915_request_add(struct i915_request *rq); -- 2.31.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
WARNING: multiple messages have this Message-ID (diff)
From: Jason Ekstrand <jason@jlekstrand.net> To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [Intel-gfx] [PATCH 11/27] drm/i915/request: Remove the hook from await_execution Date: Mon, 3 May 2021 10:57:32 -0500 [thread overview] Message-ID: <20210503155748.1961781-12-jason@jlekstrand.net> (raw) In-Reply-To: <20210503155748.1961781-1-jason@jlekstrand.net> This was only ever used for FENCE_SUBMIT automatic engine selection which was removed in the previous commit. Signed-off-by: Jason Ekstrand <jason@jlekstrand.net> --- .../gpu/drm/i915/gem/i915_gem_execbuffer.c | 3 +- drivers/gpu/drm/i915/i915_request.c | 42 ++++--------------- drivers/gpu/drm/i915/i915_request.h | 4 +- 3 files changed, 9 insertions(+), 40 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index efb2fa3522a42..7024adcd5cf15 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -3473,8 +3473,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, if (in_fence) { if (args->flags & I915_EXEC_FENCE_SUBMIT) err = i915_request_await_execution(eb.request, - in_fence, - NULL); + in_fence); else err = i915_request_await_dma_fence(eb.request, in_fence); diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c index bec9c3652188b..7e00218b8c105 100644 --- a/drivers/gpu/drm/i915/i915_request.c +++ b/drivers/gpu/drm/i915/i915_request.c @@ -49,7 +49,6 @@ struct execute_cb { struct irq_work work; struct i915_sw_fence *fence; - void (*hook)(struct i915_request *rq, struct dma_fence *signal); struct i915_request *signal; }; @@ -180,17 +179,6 @@ static void irq_execute_cb(struct irq_work *wrk) kmem_cache_free(global.slab_execute_cbs, cb); } -static void irq_execute_cb_hook(struct irq_work *wrk) -{ - struct execute_cb *cb = container_of(wrk, typeof(*cb), work); - - cb->hook(container_of(cb->fence, struct i915_request, submit), - &cb->signal->fence); - i915_request_put(cb->signal); - - irq_execute_cb(wrk); -} - static __always_inline void __notify_execute_cb(struct i915_request *rq, bool (*fn)(struct irq_work *wrk)) { @@ -517,17 +505,12 @@ static bool __request_in_flight(const struct i915_request *signal) static int __await_execution(struct i915_request *rq, struct i915_request *signal, - void (*hook)(struct i915_request *rq, - struct dma_fence *signal), gfp_t gfp) { struct execute_cb *cb; - if (i915_request_is_active(signal)) { - if (hook) - hook(rq, &signal->fence); + if (i915_request_is_active(signal)) return 0; - } cb = kmem_cache_alloc(global.slab_execute_cbs, gfp); if (!cb) @@ -537,12 +520,6 @@ __await_execution(struct i915_request *rq, i915_sw_fence_await(cb->fence); init_irq_work(&cb->work, irq_execute_cb); - if (hook) { - cb->hook = hook; - cb->signal = i915_request_get(signal); - cb->work.func = irq_execute_cb_hook; - } - /* * Register the callback first, then see if the signaler is already * active. This ensures that if we race with the @@ -1253,7 +1230,7 @@ emit_semaphore_wait(struct i915_request *to, goto await_fence; /* Only submit our spinner after the signaler is running! */ - if (__await_execution(to, from, NULL, gfp)) + if (__await_execution(to, from, gfp)) goto await_fence; if (__emit_semaphore_wait(to, from, from->fence.seqno)) @@ -1284,16 +1261,14 @@ static int intel_timeline_sync_set_start(struct intel_timeline *tl, static int __i915_request_await_execution(struct i915_request *to, - struct i915_request *from, - void (*hook)(struct i915_request *rq, - struct dma_fence *signal)) + struct i915_request *from) { int err; GEM_BUG_ON(intel_context_is_barrier(from->context)); /* Submit both requests at the same time */ - err = __await_execution(to, from, hook, I915_FENCE_GFP); + err = __await_execution(to, from, I915_FENCE_GFP); if (err) return err; @@ -1406,9 +1381,7 @@ i915_request_await_external(struct i915_request *rq, struct dma_fence *fence) int i915_request_await_execution(struct i915_request *rq, - struct dma_fence *fence, - void (*hook)(struct i915_request *rq, - struct dma_fence *signal)) + struct dma_fence *fence) { struct dma_fence **child = &fence; unsigned int nchild = 1; @@ -1441,8 +1414,7 @@ i915_request_await_execution(struct i915_request *rq, if (dma_fence_is_i915(fence)) ret = __i915_request_await_execution(rq, - to_request(fence), - hook); + to_request(fence)); else ret = i915_request_await_external(rq, fence); if (ret < 0) @@ -1468,7 +1440,7 @@ await_request_submit(struct i915_request *to, struct i915_request *from) &from->submit, I915_FENCE_GFP); else - return __i915_request_await_execution(to, from, NULL); + return __i915_request_await_execution(to, from); } static int diff --git a/drivers/gpu/drm/i915/i915_request.h b/drivers/gpu/drm/i915/i915_request.h index 270f6cd37650c..63b087a7f5707 100644 --- a/drivers/gpu/drm/i915/i915_request.h +++ b/drivers/gpu/drm/i915/i915_request.h @@ -352,9 +352,7 @@ int i915_request_await_object(struct i915_request *to, int i915_request_await_dma_fence(struct i915_request *rq, struct dma_fence *fence); int i915_request_await_execution(struct i915_request *rq, - struct dma_fence *fence, - void (*hook)(struct i915_request *rq, - struct dma_fence *signal)); + struct dma_fence *fence); void i915_request_add(struct i915_request *rq); -- 2.31.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2021-05-03 15:58 UTC|newest] Thread overview: 135+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-03 15:57 [PATCH 00/27] drm/i915/gem: ioctl clean-ups (v5) Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-03 15:57 ` [PATCH 01/27] drm/i915: Drop I915_CONTEXT_PARAM_RINGSIZE Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-03 15:57 ` [PATCH 02/27] drm/i915: Stop storing the ring size in the ring pointer Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-04 8:47 ` Daniel Vetter 2021-05-04 8:47 ` [Intel-gfx] " Daniel Vetter 2021-05-14 18:06 ` Jason Ekstrand 2021-05-14 18:06 ` [Intel-gfx] " Jason Ekstrand 2021-05-03 15:57 ` [PATCH 03/27] drm/i915: Drop I915_CONTEXT_PARAM_NO_ZEROMAP Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-04 8:48 ` Daniel Vetter 2021-05-04 8:48 ` Daniel Vetter 2021-05-03 15:57 ` [PATCH 04/27] drm/i915/gem: Set the watchdog timeout directly in intel_context_set_gem (v2) Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-03 15:57 ` [PATCH 05/27] drm/i915/gem: Return void from context_apply_all Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-03 15:57 ` [PATCH 06/27] drm/i915: Drop the CONTEXT_CLONE API Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-04 8:50 ` Daniel Vetter 2021-05-04 8:50 ` Daniel Vetter 2021-05-14 18:07 ` Jason Ekstrand 2021-05-14 18:07 ` Jason Ekstrand 2021-05-03 15:57 ` [PATCH 07/27] drm/i915: Implement SINGLE_TIMELINE with a syncobj (v4) Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-03 15:57 ` [PATCH 08/27] drm/i915: Drop getparam support for I915_CONTEXT_PARAM_ENGINES Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-03 15:57 ` [PATCH 09/27] drm/i915/gem: Disallow bonding of virtual engines (v3) Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-03 15:57 ` [PATCH 10/27] drm/i915/gem: Remove engine auto-magic with FENCE_SUBMIT Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-04 8:56 ` Daniel Vetter 2021-05-04 8:56 ` [Intel-gfx] " Daniel Vetter 2021-05-14 18:19 ` Jason Ekstrand 2021-05-14 18:19 ` [Intel-gfx] " Jason Ekstrand 2021-05-03 15:57 ` Jason Ekstrand [this message] 2021-05-03 15:57 ` [Intel-gfx] [PATCH 11/27] drm/i915/request: Remove the hook from await_execution Jason Ekstrand 2021-05-04 8:55 ` Daniel Vetter 2021-05-04 8:55 ` [Intel-gfx] " Daniel Vetter 2021-05-03 15:57 ` [PATCH 12/27] drm/i915/gem: Disallow creating contexts with too many engines Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-05 9:56 ` Tvrtko Ursulin 2021-05-05 9:56 ` Tvrtko Ursulin 2021-05-03 15:57 ` [PATCH 13/27] drm/i915: Stop manually RCU banging in reset_stats_ioctl (v2) Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-03 15:57 ` [PATCH 14/27] drm/i915/gem: Add a separate validate_priority helper Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-03 15:57 ` [PATCH 15/27] drm/i915: Add gem/i915_gem_context.h to the docs Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-04 9:11 ` Daniel Vetter 2021-05-04 9:11 ` [Intel-gfx] " Daniel Vetter 2021-05-03 15:57 ` [PATCH 16/27] drm/i915/gem: Add an intermediate proto_context struct Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-04 16:13 ` Daniel Vetter 2021-05-04 16:13 ` [Intel-gfx] " Daniel Vetter 2021-06-02 21:53 ` Jason Ekstrand 2021-06-02 21:53 ` [Intel-gfx] " Jason Ekstrand 2021-06-03 7:07 ` Daniel Vetter 2021-06-03 7:07 ` [Intel-gfx] " Daniel Vetter 2021-05-05 10:09 ` Tvrtko Ursulin 2021-05-05 10:09 ` Tvrtko Ursulin 2021-05-03 15:57 ` [PATCH 17/27] drm/i915/gem: Rework error handling in default_engines Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-04 16:17 ` Daniel Vetter 2021-05-04 16:17 ` Daniel Vetter 2021-05-14 18:21 ` Jason Ekstrand 2021-05-14 18:21 ` Jason Ekstrand 2021-05-03 15:57 ` [PATCH 18/27] drm/i915/gem: Optionally set SSEU in intel_context_set_gem Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-04 19:00 ` Daniel Vetter 2021-05-04 19:00 ` Daniel Vetter 2021-05-05 9:28 ` Tvrtko Ursulin 2021-05-05 9:28 ` Tvrtko Ursulin 2021-05-05 9:47 ` Daniel Vetter 2021-05-05 9:47 ` Daniel Vetter 2021-05-05 9:52 ` Tvrtko Ursulin 2021-05-05 9:52 ` Tvrtko Ursulin 2021-05-03 15:57 ` [PATCH 19/27] drm/i915/gem: Use the proto-context to handle create parameters Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-04 20:33 ` Daniel Vetter 2021-05-04 20:33 ` [Intel-gfx] " Daniel Vetter 2021-05-14 19:13 ` Jason Ekstrand 2021-05-14 19:13 ` [Intel-gfx] " Jason Ekstrand 2021-05-17 13:40 ` Daniel Vetter 2021-05-17 13:40 ` [Intel-gfx] " Daniel Vetter 2021-05-17 17:04 ` Jason Ekstrand 2021-05-17 17:04 ` [Intel-gfx] " Jason Ekstrand 2021-05-17 18:44 ` Daniel Vetter 2021-05-17 18:44 ` [Intel-gfx] " Daniel Vetter 2021-05-18 10:51 ` Jani Nikula 2021-05-18 10:51 ` [Intel-gfx] " Jani Nikula 2021-05-03 15:57 ` [PATCH 20/27] drm/i915/gem: Return an error ptr from context_lookup Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-03 15:57 ` [PATCH 21/27] drm/i915/gt: Drop i915_address_space::file (v2) Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-03 15:57 ` [PATCH 22/27] drm/i915/gem: Delay context creation Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-03 19:38 ` kernel test robot 2021-05-03 19:38 ` kernel test robot 2021-05-03 19:38 ` kernel test robot 2021-05-04 20:53 ` Daniel Vetter 2021-05-04 20:53 ` Daniel Vetter 2021-05-04 20:53 ` Daniel Vetter 2021-05-04 20:53 ` Daniel Vetter 2021-05-04 20:53 ` Daniel Vetter 2021-05-03 15:57 ` [PATCH 23/27] drm/i915/gem: Don't allow changing the VM on running contexts Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-03 18:52 ` kernel test robot 2021-05-03 18:52 ` kernel test robot 2021-05-03 18:52 ` kernel test robot 2021-05-04 21:00 ` Daniel Vetter 2021-05-04 21:00 ` Daniel Vetter 2021-05-04 21:00 ` Daniel Vetter 2021-05-04 21:17 ` Daniel Vetter 2021-05-04 21:17 ` Daniel Vetter 2021-05-03 15:57 ` [PATCH 24/27] drm/i915/gem: Don't allow changing the engine set " Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-05 9:49 ` Daniel Vetter 2021-05-05 9:49 ` Daniel Vetter 2021-05-03 15:57 ` [PATCH 25/27] drm/i915/selftests: Take a VM in kernel_context() Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-05 9:50 ` Daniel Vetter 2021-05-05 9:50 ` [Intel-gfx] " Daniel Vetter 2021-05-03 15:57 ` [PATCH 26/27] i915/gem/selftests: Assign the VM at context creation in igt_shared_ctx_exec Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-05 9:53 ` Daniel Vetter 2021-05-05 9:53 ` Daniel Vetter 2021-05-03 15:57 ` [PATCH 27/27] drm/i915/gem: Roll all of context creation together Jason Ekstrand 2021-05-03 15:57 ` [Intel-gfx] " Jason Ekstrand 2021-05-05 10:05 ` Daniel Vetter 2021-05-05 10:05 ` Daniel Vetter 2021-05-03 20:33 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915/gem: ioctl clean-ups (rev4) Patchwork 2021-05-03 20:35 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork 2021-05-03 20:38 ` [Intel-gfx] ✗ Fi.CI.DOCS: " Patchwork
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20210503155748.1961781-12-jason@jlekstrand.net \ --to=jason@jlekstrand.net \ --cc=dri-devel@lists.freedesktop.org \ --cc=intel-gfx@lists.freedesktop.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.