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bdev: Remove poller abstraction

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Use the new one from io_channel.h.

Change-Id: I7bf6729caf6eeebcb58450a36119601957ad5da4
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/388290
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
This commit is contained in:
Ben Walker 2017-11-17 14:49:36 -07:00 committed by Jim Harris
parent 3aba1a5690
commit 44770c2a11
13 changed files with 41 additions and 149 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
CHANGELOG.md
View File

@ -22,6 +22,11 @@ framework (include/spdk/event.h) to the I/O channel library
(include/spdk/io_channel.h). This allows code that doesn't depend on the event (include/spdk/io_channel.h). This allows code that doesn't depend on the event
framework to request registration and unregistration of pollers. framework to request registration and unregistration of pollers.
### Block Device Abstraction Layer (bdev)
The poller abstraction was removed from the bdev layer. There is now a general purpose
abstraction for pollers available in include/spdk/io_channel.h
## v17.10: Logical Volumes ## v17.10: Logical Volumes
### New dependencies ### New dependencies

48
examples/bdev/fio_plugin/fio_plugin.c
View File

@ -60,7 +60,7 @@ struct spdk_fio_msg {
/* A polling function */ /* A polling function */
struct spdk_fio_poller { struct spdk_fio_poller {
spdk_bdev_poller_fn cb_fn; spdk_poller_fn cb_fn;
void *cb_arg; void *cb_arg;
uint64_t period_microseconds; uint64_t period_microseconds;
@ -93,7 +93,7 @@ struct spdk_fio_thread {
unsigned int iocq_size; // number of iocq entries allocated unsigned int iocq_size; // number of iocq entries allocated
}; };
static __thread struct spdk_fio_thread *g_thread; static struct spdk_fio_thread *g_init_thread = NULL;
static bool g_spdk_env_initialized = false; static bool g_spdk_env_initialized = false;
static int spdk_fio_init(struct thread_data *td); static int spdk_fio_init(struct thread_data *td);
@ -131,15 +131,9 @@ spdk_fio_start_poller(void *thread_ctx,
void *arg, void *arg,
uint64_t period_microseconds) uint64_t period_microseconds)
{ {
struct spdk_fio_thread *fio_thread; struct spdk_fio_thread *fio_thread = thread_ctx;
struct spdk_fio_poller *fio_poller; struct spdk_fio_poller *fio_poller;
fio_thread = g_thread;
if (!fio_thread) {
SPDK_ERRLOG("Expected local thread to be initialized, but it was not.\n");
return NULL;
}
fio_poller = calloc(1, sizeof(*fio_poller)); fio_poller = calloc(1, sizeof(*fio_poller));
if (!fio_poller) { if (!fio_poller) {
SPDK_ERRLOG("Unable to allocate poller\n"); SPDK_ERRLOG("Unable to allocate poller\n");
@ -155,40 +149,19 @@ spdk_fio_start_poller(void *thread_ctx,
return (struct spdk_poller *)fio_poller; return (struct spdk_poller *)fio_poller;
} }
static void
spdk_fio_bdev_start_poller(struct spdk_bdev_poller **ppoller,
spdk_bdev_poller_fn fn,
void *arg,
uint64_t period_microseconds)
{
*ppoller = (struct spdk_bdev_poller *)spdk_poller_register(fn, arg, period_microseconds);
}
static void static void
spdk_fio_stop_poller(struct spdk_poller *poller, void *thread_ctx) spdk_fio_stop_poller(struct spdk_poller *poller, void *thread_ctx)
{ {
struct spdk_fio_poller *fio_poller; struct spdk_fio_poller *fio_poller;
struct spdk_fio_thread *fio_thread; struct spdk_fio_thread *fio_thread = thread_ctx;
fio_poller = (struct spdk_fio_poller *)poller; fio_poller = (struct spdk_fio_poller *)poller;
fio_thread = g_thread;
if (!fio_thread) {
SPDK_ERRLOG("Expected local thread to be initialized, but it was not.\n");
return;
}
TAILQ_REMOVE(&fio_thread->pollers, fio_poller, link); TAILQ_REMOVE(&fio_thread->pollers, fio_poller, link);
free(fio_poller); free(fio_poller);
} }
static void
spdk_fio_bdev_stop_poller(struct spdk_bdev_poller **ppoller)
{
spdk_poller_unregister((struct spdk_poller **)ppoller);
}
static int static int
spdk_fio_init_thread(struct thread_data *td) spdk_fio_init_thread(struct thread_data *td)
{ {
@ -230,9 +203,6 @@ spdk_fio_init_thread(struct thread_data *td)
TAILQ_INIT(&fio_thread->targets); TAILQ_INIT(&fio_thread->targets);
/* Cache the thread in a thread-local variable for easy access */
g_thread = fio_thread;
return 0; return 0;
} }
@ -291,15 +261,13 @@ spdk_fio_init_env(struct thread_data *td)
return -1; return -1;
} }
fio_thread = td->io_ops_data; g_init_thread = fio_thread = td->io_ops_data;
/* Initialize the copy engine */ /* Initialize the copy engine */
spdk_copy_engine_initialize(); spdk_copy_engine_initialize();
/* Initialize the bdev layer */ /* Initialize the bdev layer */
spdk_bdev_initialize(spdk_fio_bdev_init_done, &done, spdk_bdev_initialize(spdk_fio_bdev_init_done, &done);
spdk_fio_bdev_start_poller,
spdk_fio_bdev_stop_poller);
do { do {
/* Handle init and all cleanup events */ /* Handle init and all cleanup events */
@ -421,8 +389,6 @@ spdk_fio_cleanup_thread(struct spdk_fio_thread *fio_thread)
while (spdk_fio_poll_thread(fio_thread) > 0) {} while (spdk_fio_poll_thread(fio_thread) > 0) {}
g_thread = NULL;
spdk_free_thread(); spdk_free_thread();
spdk_ring_free(fio_thread->ring); spdk_ring_free(fio_thread->ring);
free(fio_thread->iocq); free(fio_thread->iocq);
@ -700,7 +666,7 @@ spdk_fio_finish_env(void)
size_t count; size_t count;
/* the same thread that called spdk_fio_init_env */ /* the same thread that called spdk_fio_init_env */
fio_thread = g_thread; fio_thread = g_init_thread;
spdk_bdev_finish(spdk_fio_module_finish_done, &done); spdk_bdev_finish(spdk_fio_module_finish_done, &done);

15
include/spdk/bdev.h
View File

@ -113,29 +113,16 @@ struct spdk_bdev_io_stat {
uint64_t num_write_ops; uint64_t num_write_ops;
}; };
struct spdk_bdev_poller;
typedef void (*spdk_bdev_init_cb)(void *cb_arg, int rc); typedef void (*spdk_bdev_init_cb)(void *cb_arg, int rc);
typedef void (*spdk_bdev_fini_cb)(void *cb_arg); typedef void (*spdk_bdev_fini_cb)(void *cb_arg);
typedef void (*spdk_bdev_poller_fn)(void *arg);
typedef void (*spdk_bdev_poller_start_cb)(struct spdk_bdev_poller **ppoller,
spdk_bdev_poller_fn fn,
void *arg,
uint64_t period_microseconds);
typedef void (*spdk_bdev_poller_stop_cb)(struct spdk_bdev_poller **ppoller);
/** /**
* Initialize block device modules. * Initialize block device modules.
* *
* \param cb_fn Called when the initialization is complete. * \param cb_fn Called when the initialization is complete.
* \param cb_arg Argument passed to function cb_fn. * \param cb_arg Argument passed to function cb_fn.
* \param start_poller_fn This function is called to request starting a poller.
* \param stop_poller_fn This function is called to request stopping a poller.
*/ */
void spdk_bdev_initialize(spdk_bdev_init_cb cb_fn, void *cb_arg, void spdk_bdev_initialize(spdk_bdev_init_cb cb_fn, void *cb_arg);
spdk_bdev_poller_start_cb start_poller_fn,
spdk_bdev_poller_stop_cb stop_poller_fn);
/** /**
* Perform cleanup work to remove the registered block device modules. * Perform cleanup work to remove the registered block device modules.

23
include/spdk_internal/bdev.h
View File

@ -396,29 +396,6 @@ int spdk_bdev_module_claim_bdev(struct spdk_bdev *bdev, struct spdk_bdev_desc *d
struct spdk_bdev_module_if *module); struct spdk_bdev_module_if *module);
void spdk_bdev_module_release_bdev(struct spdk_bdev *bdev); void spdk_bdev_module_release_bdev(struct spdk_bdev *bdev);
/**
* Start a poller on the current thread to periodically call fn.
*
* \param[out] ppoller Will be filled with initialized poller pointer.
* \param fn Function to run periodically.
* \param arg Argument to be passed to fn.
* \param period_microseconds Delay between calls of the poller function,
* or 0 to call as frequently as possible.
*
* The user must call spdk_bdev_poller_stop() to clean up the resources allocated by this function.
*/
void spdk_bdev_poller_start(struct spdk_bdev_poller **ppoller,
spdk_bdev_poller_fn fn,
void *arg,
uint64_t period_microseconds);
/**
* Stop a poller started by spdk_bdev_poller_start().
*
* \param ppoller Poller to stop.
*/
void spdk_bdev_poller_stop(struct spdk_bdev_poller **ppoller);
/** /**
* Allocate a buffer for given bdev_io. Allocation will happen * Allocate a buffer for given bdev_io. Allocation will happen
* only if the bdev_io has no assigned SGL yet. The buffer will be * only if the bdev_io has no assigned SGL yet. The buffer will be

4
lib/bdev/aio/bdev_aio.c
View File

@ -312,7 +312,7 @@ bdev_aio_create_cb(void *io_device, void *ctx_buf)
return -1; return -1;
} }
spdk_bdev_poller_start(&ch->poller, bdev_aio_poll, ch, 0); ch->poller = spdk_poller_register(bdev_aio_poll, ch, 0);
return 0; return 0;
} }
@ -322,7 +322,7 @@ bdev_aio_destroy_cb(void *io_device, void *ctx_buf)
struct bdev_aio_io_channel *io_channel = ctx_buf; struct bdev_aio_io_channel *io_channel = ctx_buf;
io_destroy(io_channel->io_ctx); io_destroy(io_channel->io_ctx);
spdk_bdev_poller_stop(&io_channel->poller); spdk_poller_unregister(&io_channel->poller);
} }
static struct spdk_io_channel * static struct spdk_io_channel *

2
lib/bdev/aio/bdev_aio.h
View File

@ -51,7 +51,7 @@ struct bdev_aio_task {
struct bdev_aio_io_channel { struct bdev_aio_io_channel {
io_context_t io_ctx; io_context_t io_ctx;
struct spdk_bdev_poller *poller; struct spdk_poller *poller;
}; };
struct file_disk { struct file_disk {

28
lib/bdev/bdev.c
View File

@ -75,9 +75,6 @@ struct spdk_bdev_mgr {
TAILQ_HEAD(, spdk_bdev) bdevs; TAILQ_HEAD(, spdk_bdev) bdevs;
spdk_bdev_poller_start_cb start_poller_fn;
spdk_bdev_poller_stop_cb stop_poller_fn;
bool init_complete; bool init_complete;
bool module_init_complete; bool module_init_complete;
@ -89,8 +86,6 @@ struct spdk_bdev_mgr {
static struct spdk_bdev_mgr g_bdev_mgr = { static struct spdk_bdev_mgr g_bdev_mgr = {
.bdev_modules = TAILQ_HEAD_INITIALIZER(g_bdev_mgr.bdev_modules), .bdev_modules = TAILQ_HEAD_INITIALIZER(g_bdev_mgr.bdev_modules),
.bdevs = TAILQ_HEAD_INITIALIZER(g_bdev_mgr.bdevs), .bdevs = TAILQ_HEAD_INITIALIZER(g_bdev_mgr.bdevs),
.start_poller_fn = NULL,
.stop_poller_fn = NULL,
.init_complete = false, .init_complete = false,
.module_init_complete = false, .module_init_complete = false,
}; };
@ -456,26 +451,8 @@ spdk_bdev_modules_init(void)
g_bdev_mgr.module_init_complete = true; g_bdev_mgr.module_init_complete = true;
return rc; return rc;
} }
void void
spdk_bdev_poller_start(struct spdk_bdev_poller **ppoller, spdk_bdev_initialize(spdk_bdev_init_cb cb_fn, void *cb_arg)
spdk_bdev_poller_fn fn,
void *arg,
uint64_t period_microseconds)
{
g_bdev_mgr.start_poller_fn(ppoller, fn, arg, period_microseconds);
}
void
spdk_bdev_poller_stop(struct spdk_bdev_poller **ppoller)
{
g_bdev_mgr.stop_poller_fn(ppoller);
}
void
spdk_bdev_initialize(spdk_bdev_init_cb cb_fn, void *cb_arg,
spdk_bdev_poller_start_cb start_poller_fn,
spdk_bdev_poller_stop_cb stop_poller_fn)
{ {
int cache_size; int cache_size;
int rc = 0; int rc = 0;
@ -486,9 +463,6 @@ spdk_bdev_initialize(spdk_bdev_init_cb cb_fn, void *cb_arg,
g_init_cb_fn = cb_fn; g_init_cb_fn = cb_fn;
g_init_cb_arg = cb_arg; g_init_cb_arg = cb_arg;
g_bdev_mgr.start_poller_fn = start_poller_fn;
g_bdev_mgr.stop_poller_fn = stop_poller_fn;
snprintf(mempool_name, sizeof(mempool_name), "bdev_io_%d", getpid()); snprintf(mempool_name, sizeof(mempool_name), "bdev_io_%d", getpid());
g_bdev_mgr.bdev_io_pool = spdk_mempool_create(mempool_name, g_bdev_mgr.bdev_io_pool = spdk_mempool_create(mempool_name,

22
lib/bdev/nvme/bdev_nvme.c
View File

@ -62,7 +62,7 @@ struct nvme_ctrlr {
char *name; char *name;
int ref; int ref;
struct spdk_bdev_poller *adminq_timer_poller; struct spdk_poller *adminq_timer_poller;
/** linked list pointer for device list */ /** linked list pointer for device list */
TAILQ_ENTRY(nvme_ctrlr) tailq; TAILQ_ENTRY(nvme_ctrlr) tailq;
@ -78,7 +78,7 @@ struct nvme_bdev {
struct nvme_io_channel { struct nvme_io_channel {
struct spdk_nvme_qpair *qpair; struct spdk_nvme_qpair *qpair;
struct spdk_bdev_poller *poller; struct spdk_poller *poller;
bool collect_spin_stat; bool collect_spin_stat;
uint64_t spin_ticks; uint64_t spin_ticks;
@ -129,7 +129,7 @@ static int g_timeout = 0;
static int g_nvme_adminq_poll_timeout_us = 0; static int g_nvme_adminq_poll_timeout_us = 0;
static bool g_nvme_hotplug_enabled = false; static bool g_nvme_hotplug_enabled = false;
static int g_nvme_hotplug_poll_timeout_us = 0; static int g_nvme_hotplug_poll_timeout_us = 0;
static struct spdk_bdev_poller *g_hotplug_poller; static struct spdk_poller *g_hotplug_poller;
static pthread_mutex_t g_bdev_nvme_mutex = PTHREAD_MUTEX_INITIALIZER; static pthread_mutex_t g_bdev_nvme_mutex = PTHREAD_MUTEX_INITIALIZER;
static TAILQ_HEAD(, nvme_ctrlr) g_nvme_ctrlrs = TAILQ_HEAD_INITIALIZER(g_nvme_ctrlrs); static TAILQ_HEAD(, nvme_ctrlr) g_nvme_ctrlrs = TAILQ_HEAD_INITIALIZER(g_nvme_ctrlrs);
@ -249,7 +249,7 @@ bdev_nvme_destruct(void *ctx)
TAILQ_REMOVE(&g_nvme_ctrlrs, nvme_ctrlr, tailq); TAILQ_REMOVE(&g_nvme_ctrlrs, nvme_ctrlr, tailq);
pthread_mutex_unlock(&g_bdev_nvme_mutex); pthread_mutex_unlock(&g_bdev_nvme_mutex);
spdk_io_device_unregister(nvme_ctrlr->ctrlr, bdev_nvme_unregister_cb); spdk_io_device_unregister(nvme_ctrlr->ctrlr, bdev_nvme_unregister_cb);
spdk_bdev_poller_stop(&nvme_ctrlr->adminq_timer_poller); spdk_poller_unregister(&nvme_ctrlr->adminq_timer_poller);
free(nvme_ctrlr->name); free(nvme_ctrlr->name);
free(nvme_ctrlr); free(nvme_ctrlr);
return 0; return 0;
@ -532,7 +532,7 @@ bdev_nvme_create_cb(void *io_device, void *ctx_buf)
return -1; return -1;
} }
spdk_bdev_poller_start(&ch->poller, bdev_nvme_poll, ch, 0); ch->poller = spdk_poller_register(bdev_nvme_poll, ch, 0);
return 0; return 0;
} }
@ -542,7 +542,7 @@ bdev_nvme_destroy_cb(void *io_device, void *ctx_buf)
struct nvme_io_channel *ch = ctx_buf; struct nvme_io_channel *ch = ctx_buf;
spdk_nvme_ctrlr_free_io_qpair(ch->qpair); spdk_nvme_ctrlr_free_io_qpair(ch->qpair);
spdk_bdev_poller_stop(&ch->poller); spdk_poller_unregister(&ch->poller);
} }
static struct spdk_io_channel * static struct spdk_io_channel *
@ -871,8 +871,8 @@ attach_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
return; return;
} }
spdk_bdev_poller_start(&nvme_ctrlr->adminq_timer_poller, bdev_nvme_poll_adminq, ctrlr, nvme_ctrlr->adminq_timer_poller = spdk_poller_register(bdev_nvme_poll_adminq, ctrlr,
g_nvme_adminq_poll_timeout_us); g_nvme_adminq_poll_timeout_us);
TAILQ_INSERT_TAIL(&g_nvme_ctrlrs, nvme_ctrlr, tailq); TAILQ_INSERT_TAIL(&g_nvme_ctrlrs, nvme_ctrlr, tailq);
@ -1100,8 +1100,8 @@ bdev_nvme_library_init(void)
} }
if (g_nvme_hotplug_enabled) { if (g_nvme_hotplug_enabled) {
spdk_bdev_poller_start(&g_hotplug_poller, bdev_nvme_hotplug, NULL, g_hotplug_poller = spdk_poller_register(bdev_nvme_hotplug, NULL,
g_nvme_hotplug_poll_timeout_us); g_nvme_hotplug_poll_timeout_us);
} }
end: end:
@ -1115,7 +1115,7 @@ bdev_nvme_library_fini(void)
struct nvme_bdev *nvme_bdev, *btmp; struct nvme_bdev *nvme_bdev, *btmp;
if (g_nvme_hotplug_enabled) { if (g_nvme_hotplug_enabled) {
spdk_bdev_poller_stop(&g_hotplug_poller); spdk_poller_unregister(&g_hotplug_poller);
} }
TAILQ_FOREACH_SAFE(nvme_bdev, &g_nvme_bdevs, link, btmp) { TAILQ_FOREACH_SAFE(nvme_bdev, &g_nvme_bdevs, link, btmp) {

6
lib/bdev/rbd/bdev_rbd.c
View File

@ -68,7 +68,7 @@ struct bdev_rbd_io_channel {
struct pollfd pfd; struct pollfd pfd;
rbd_image_t image; rbd_image_t image;
struct bdev_rbd *disk; struct bdev_rbd *disk;
struct spdk_bdev_poller *poller; struct spdk_poller *poller;
}; };
static void static void
@ -417,7 +417,7 @@ bdev_rbd_create_cb(void *io_device, void *ctx_buf)
goto err; goto err;
} }
spdk_bdev_poller_start(&ch->poller, bdev_rbd_io_poll, ch, 0); ch->poller = spdk_poller_register(bdev_rbd_io_poll, ch, 0);
return 0; return 0;
@ -433,7 +433,7 @@ bdev_rbd_destroy_cb(void *io_device, void *ctx_buf)
bdev_rbd_free_channel(io_channel); bdev_rbd_free_channel(io_channel);
spdk_bdev_poller_stop(&io_channel->poller); spdk_poller_unregister(&io_channel->poller);
} }
static struct spdk_io_channel * static struct spdk_io_channel *

14
lib/bdev/virtio/bdev_virtio.c
View File

@ -547,7 +547,7 @@ bdev_virtio_create_cb(void *io_device, void *ctx_buf)
ch->vdev = vdev; ch->vdev = vdev;
ch->vq = vq; ch->vq = vq;
spdk_bdev_poller_start(&vq->poller, bdev_virtio_poll, ch, 0); vq->poller = spdk_poller_register(bdev_virtio_poll, ch, 0);
return 0; return 0;
} }
@ -559,7 +559,7 @@ bdev_virtio_destroy_cb(void *io_device, void *ctx_buf)
struct virtio_dev *vdev = io_channel->vdev; struct virtio_dev *vdev = io_channel->vdev;
struct virtqueue *vq = io_channel->vq; struct virtqueue *vq = io_channel->vq;
spdk_bdev_poller_stop(&vq->poller); spdk_poller_unregister(&vq->poller);
virtio_dev_release_queue(vdev, vq->vq_queue_index); virtio_dev_release_queue(vdev, vq->vq_queue_index);
} }
@ -604,7 +604,7 @@ scan_target_finish(struct virtio_scsi_scan_base *base)
return; return;
} }
spdk_bdev_poller_stop(&base->vq->poller); spdk_poller_unregister(&base->vq->poller);
base->vq->poller_ctx = NULL; base->vq->poller_ctx = NULL;
virtio_dev_release_queue(base->vdev, base->vq->vq_queue_index); virtio_dev_release_queue(base->vdev, base->vq->vq_queue_index);
@ -627,7 +627,7 @@ scan_target_finish(struct virtio_scsi_scan_base *base)
ctrlq = base->vdev->vqs[VIRTIO_SCSI_CONTROLQ]; ctrlq = base->vdev->vqs[VIRTIO_SCSI_CONTROLQ];
ctrlq->poller_ctx = ctrlq_ring; ctrlq->poller_ctx = ctrlq_ring;
spdk_bdev_poller_start(&ctrlq->poller, bdev_virtio_ctrlq_poll, base->vdev, CTRLQ_POLL_PERIOD_US); ctrlq->poller = spdk_poller_register(bdev_virtio_ctrlq_poll, base->vdev, CTRLQ_POLL_PERIOD_US);
spdk_io_device_register(base->vdev, bdev_virtio_create_cb, bdev_virtio_destroy_cb, spdk_io_device_register(base->vdev, bdev_virtio_create_cb, bdev_virtio_destroy_cb,
sizeof(struct bdev_virtio_io_channel)); sizeof(struct bdev_virtio_io_channel));
@ -1094,7 +1094,7 @@ bdev_virtio_scsi_free(struct virtio_dev *vdev)
if (virtio_dev_queue_is_acquired(vdev, VIRTIO_SCSI_REQUESTQ)) { if (virtio_dev_queue_is_acquired(vdev, VIRTIO_SCSI_REQUESTQ)) {
vq = vdev->vqs[VIRTIO_SCSI_REQUESTQ]; vq = vdev->vqs[VIRTIO_SCSI_REQUESTQ];
spdk_bdev_poller_stop(&vq->poller); spdk_poller_unregister(&vq->poller);
spdk_dma_free(vq->poller_ctx); spdk_dma_free(vq->poller_ctx);
vq->poller_ctx = NULL; vq->poller_ctx = NULL;
virtio_dev_release_queue(vdev, VIRTIO_SCSI_REQUESTQ); virtio_dev_release_queue(vdev, VIRTIO_SCSI_REQUESTQ);
@ -1145,7 +1145,7 @@ bdev_virtio_scsi_scan(struct virtio_dev *vdev, virtio_create_device_cb cb_fn, vo
vq = vdev->vqs[VIRTIO_SCSI_REQUESTQ]; vq = vdev->vqs[VIRTIO_SCSI_REQUESTQ];
base->vq = vq; base->vq = vq;
vq->poller_ctx = base; vq->poller_ctx = base;
spdk_bdev_poller_start(&vq->poller, bdev_scan_poll, base, 0); vq->poller = spdk_poller_register(bdev_scan_poll, base, 0);
rc = scan_target(base); rc = scan_target(base);
if (rc) { if (rc) {
SPDK_ERRLOG("Failed to start target scan.\n"); SPDK_ERRLOG("Failed to start target scan.\n");
@ -1218,7 +1218,7 @@ virtio_scsi_dev_unregister_cb(void *io_device)
if (virtio_dev_queue_is_acquired(vdev, VIRTIO_SCSI_CONTROLQ)) { if (virtio_dev_queue_is_acquired(vdev, VIRTIO_SCSI_CONTROLQ)) {
vq = vdev->vqs[VIRTIO_SCSI_CONTROLQ]; vq = vdev->vqs[VIRTIO_SCSI_CONTROLQ];
spdk_bdev_poller_stop(&vq->poller); spdk_poller_unregister(&vq->poller);
send_ring = vq->poller_ctx; send_ring = vq->poller_ctx;
/* bdevs built on top of this vdev mustn't be destroyed with outstanding I/O. */ /* bdevs built on top of this vdev mustn't be destroyed with outstanding I/O. */
assert(spdk_ring_count(send_ring) == 0); assert(spdk_ring_count(send_ring) == 0);

2
lib/bdev/virtio/rte_virtio/virtio.h
View File

@ -188,7 +188,7 @@ struct virtqueue {
struct spdk_thread *owner_thread; struct spdk_thread *owner_thread;
/** Response poller. */ /** Response poller. */
struct spdk_bdev_poller *poller; struct spdk_poller *poller;
/** Context for response poller. */ /** Context for response poller. */
void *poller_ctx; void *poller_ctx;

19
lib/event/subsystems/bdev/bdev.c
View File

@ -46,27 +46,10 @@ spdk_bdev_initialize_complete(void *cb_arg, int rc)
spdk_subsystem_init_next(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)
{
*ppoller = (struct spdk_bdev_poller *)spdk_poller_register(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 static void
spdk_bdev_subsystem_initialize(void) spdk_bdev_subsystem_initialize(void)
{ {
spdk_bdev_initialize(spdk_bdev_initialize_complete, NULL, spdk_bdev_initialize(spdk_bdev_initialize_complete, NULL);
spdk_bdev_subsystem_start_poller,
spdk_bdev_subsystem_stop_poller);
} }
static void static void

2
test/unit/lib/bdev/mt/bdev.c/bdev_ut.c
View File

@ -202,7 +202,7 @@ setup_test(void)
bool done = false; bool done = false;
allocate_threads(BDEV_UT_NUM_THREADS); allocate_threads(BDEV_UT_NUM_THREADS);
spdk_bdev_initialize(bdev_init_cb, &done, NULL, NULL); spdk_bdev_initialize(bdev_init_cb, &done);
register_bdev(); register_bdev();
spdk_bdev_open(&g_bdev.bdev, true, NULL, NULL, &g_desc); spdk_bdev_open(&g_bdev.bdev, true, NULL, NULL, &g_desc);
} }