3ca9cd762b
Signed-off-by: Piotr Pelplinski <piotr.pelplinski@intel.com> Change-Id: I26e9d1e86c93f0b96b5bff7c9af5a453199c3e29 Reviewed-on: https://review.gerrithub.io/408138 Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com> Reviewed-by: Maciej Szwed <maciej.szwed@intel.com> Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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bool g_scheduler_delay = false;
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struct scheduled_ops {
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spdk_thread_fn fn;
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void *ctx;
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TAILQ_ENTRY(scheduled_ops) ops_queue;
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};
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static TAILQ_HEAD(, scheduled_ops) g_scheduled_ops = TAILQ_HEAD_INITIALIZER(g_scheduled_ops);
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void _bs_flush_scheduler(uint32_t);
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static void
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_bs_send_msg(spdk_thread_fn fn, void *ctx, void *thread_ctx)
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{
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if (g_scheduler_delay) {
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struct scheduled_ops *ops = calloc(1, sizeof(*ops));
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SPDK_CU_ASSERT_FATAL(ops != NULL);
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ops->fn = fn;
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ops->ctx = ctx;
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TAILQ_INSERT_TAIL(&g_scheduled_ops, ops, ops_queue);
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} else {
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fn(ctx);
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}
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}
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static void
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_bs_flush_scheduler_single(void)
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{
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struct scheduled_ops *op;
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TAILQ_HEAD(, scheduled_ops) ops;
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TAILQ_INIT(&ops);
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TAILQ_SWAP(&g_scheduled_ops, &ops, scheduled_ops, ops_queue);
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while (!TAILQ_EMPTY(&ops)) {
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op = TAILQ_FIRST(&ops);
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TAILQ_REMOVE(&ops, op, ops_queue);
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op->fn(op->ctx);
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free(op);
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}
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}
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void
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_bs_flush_scheduler(uint32_t n)
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{
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while (n--) {
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_bs_flush_scheduler_single();
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}
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}
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