Spdk/lib/event/subsystems/bdev/bdev.c
Ben Walker 00b02039c5 event: Pollers must now be unregistered from the thread they run on.
Change-Id: I8ea8c59a0c67176c0c0c39abf807afad61ff3828
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/387689
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
2017-11-17 11:11:23 -05:00

89 lines
2.8 KiB
C

/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "spdk/stdinc.h"
#include "spdk/bdev.h"
#include "spdk/env.h"
#include "spdk_internal/event.h"
#include "spdk/env.h"
static void
spdk_bdev_initialize_complete(void *cb_arg, int rc)
{
spdk_subsystem_init_next(rc);
}
static void
spdk_bdev_subsystem_start_poller(struct spdk_bdev_poller **ppoller,
spdk_bdev_poller_fn fn,
void *arg,
uint64_t period_microseconds)
{
spdk_poller_register((struct spdk_poller **)ppoller,
fn,
arg,
period_microseconds);
}
static void
spdk_bdev_subsystem_stop_poller(struct spdk_bdev_poller **ppoller)
{
spdk_poller_unregister((struct spdk_poller **)ppoller);
}
static void
spdk_bdev_subsystem_initialize(void)
{
spdk_bdev_initialize(spdk_bdev_initialize_complete, NULL,
spdk_bdev_subsystem_start_poller,
spdk_bdev_subsystem_stop_poller);
}
static void
spdk_bdev_subsystem_finish_done(void *cb_arg)
{
spdk_subsystem_fini_next();
}
static void
spdk_bdev_subsystem_finish(void *arg1, void *arg2)
{
spdk_bdev_finish(spdk_bdev_subsystem_finish_done, NULL);
}
SPDK_SUBSYSTEM_REGISTER(bdev, spdk_bdev_subsystem_initialize,
spdk_bdev_subsystem_finish, spdk_bdev_config_text)
SPDK_SUBSYSTEM_DEPEND(bdev, copy)