/*
- * Native Windows async IO engine
- * Copyright (C) 2011 Bruce Cran <bruce@cran.org.uk>
+ * windowsaio engine
+ *
+ * IO engine using Windows IO Completion Ports.
*/
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <errno.h>
-#include <windows.h>
#include "../fio.h"
typedef BOOL (WINAPI *CANCELIOEX)(HANDLE hFile, LPOVERLAPPED lpOverlapped);
-typedef struct {
- OVERLAPPED o;
- struct io_u *io_u;
-} FIO_OVERLAPPED;
+int geterrno_from_win_error (DWORD code, int deferrno);
-struct windowsaio_data {
- HANDLE *io_handles;
- unsigned int io_index;
- FIO_OVERLAPPED *ovls;
-
- HANDLE iothread;
- HANDLE iothread_stopped;
- BOOL iothread_running;
+struct fio_overlapped {
+ OVERLAPPED o;
+ struct io_u *io_u;
+ BOOL io_complete;
+};
+struct windowsaio_data {
struct io_u **aio_events;
+ HANDLE iocp;
+ HANDLE iothread;
HANDLE iocomplete_event;
- CANCELIOEX pCancelIoEx;
- BOOL useIOCP;
+ BOOL iothread_running;
};
struct thread_ctx {
struct windowsaio_data *wd;
};
-static void PrintError(LPCSTR lpszFunction);
-static int fio_windowsaio_cancel(struct thread_data *td,
- struct io_u *io_u);
-static BOOL TimedOut(DWORD start_count, DWORD end_count);
-static int fio_windowsaio_getevents(struct thread_data *td, unsigned int min,
- unsigned int max, struct timespec *t);
-static struct io_u *fio_windowsaio_event(struct thread_data *td, int event);
-static int fio_windowsaio_queue(struct thread_data *td,
- struct io_u *io_u);
-static void fio_windowsaio_cleanup(struct thread_data *td);
static DWORD WINAPI IoCompletionRoutine(LPVOID lpParameter);
-static int fio_windowsaio_init(struct thread_data *td);
-static int fio_windowsaio_open_file(struct thread_data *td, struct fio_file *f);
-static int fio_windowsaio_close_file(struct thread_data fio_unused *td, struct fio_file *f);
-int sync_file_range(int fd, off64_t offset, off64_t nbytes,
- unsigned int flags)
-{
- errno = ENOSYS;
- return -1;
-}
-
-static void PrintError(LPCSTR lpszFunction)
-{
- // Retrieve the system error message for the last-error code
-
- LPSTR lpMsgBuf;
- DWORD dw = GetLastError();
-
- FormatMessage(
- FORMAT_MESSAGE_ALLOCATE_BUFFER |
- FORMAT_MESSAGE_FROM_SYSTEM |
- FORMAT_MESSAGE_IGNORE_INSERTS,
- NULL,
- dw,
- MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
- (LPTSTR)&lpMsgBuf,
- 0, NULL );
-
- log_err("%s - %s", lpszFunction, lpMsgBuf);
- LocalFree(lpMsgBuf);
-}
-
-static int fio_windowsaio_cancel(struct thread_data *td,
- struct io_u *io_u)
+static int fio_windowsaio_init(struct thread_data *td)
{
+ struct windowsaio_data *wd;
int rc = 0;
- struct windowsaio_data *wd = td->io_ops->data;
-
- /* If we're running on Vista or newer, we can cancel individual IO requests */
- if (wd->pCancelIoEx != NULL) {
- FIO_OVERLAPPED *ovl = io_u->engine_data;
- if (!wd->pCancelIoEx(io_u->file->hFile, &ovl->o))
- rc = 1;
- } else
+ wd = calloc(1, sizeof(struct windowsaio_data));
+ if (wd == NULL) {
+ log_err("windowsaio: failed to allocate memory for engine data\n");
rc = 1;
+ }
- return rc;
-}
-
-static BOOL TimedOut(DWORD start_count, DWORD end_count)
-{
- BOOL expired = FALSE;
- DWORD current_time;
-
- current_time = GetTickCount();
-
- if ((end_count > start_count) && current_time >= end_count)
- expired = TRUE;
- else if (current_time < start_count && current_time > end_count)
- expired = TRUE;
+ if (!rc) {
+ wd->aio_events = malloc(td->o.iodepth * sizeof(struct io_u*));
+ if (wd->aio_events == NULL) {
+ log_err("windowsaio: failed to allocate memory for aio events list\n");
+ rc = 1;
+ }
+ }
- return expired;
-}
+ if (!rc) {
+ /* Create an auto-reset event */
+ wd->iocomplete_event = CreateEvent(NULL, FALSE, FALSE, NULL);
+ if (wd->iocomplete_event == NULL) {
+ log_err("windowsaio: failed to create io complete event handle\n");
+ rc = 1;
+ }
+ }
-static int fio_windowsaio_getevents(struct thread_data *td, unsigned int min,
- unsigned int max, struct timespec *t)
-{
- struct windowsaio_data *wd = td->io_ops->data;
- struct flist_head *entry;
- unsigned int dequeued = 0;
- struct io_u *io_u;
- DWORD start_count = 0, end_count = 0;
- BOOL timedout = FALSE;
- unsigned int mswait = 100;
+ if (rc) {
+ if (wd != NULL) {
+ if (wd->aio_events != NULL)
+ free(wd->aio_events);
- if (t != NULL) {
- mswait = (t->tv_sec * 1000) + (t->tv_nsec / 1000000);
- start_count = GetTickCount();
- end_count = start_count + (t->tv_sec * 1000) + (t->tv_nsec / 1000000);
+ free(wd);
+ }
}
- while (dequeued < min && !timedout) {
- flist_for_each(entry, &td->io_u_busylist) {
- io_u = flist_entry(entry, struct io_u, list);
+ td->io_ops_data = wd;
- if (io_u->seen == 0) {
- io_u->seen = 1;
- wd->aio_events[dequeued] = io_u;
- dequeued++;
- }
+ if (!rc) {
+ struct thread_ctx *ctx;
+ struct windowsaio_data *wd;
+ HANDLE hFile;
- if (dequeued == max)
- break;
+ hFile = CreateIoCompletionPort(INVALID_HANDLE_VALUE, NULL, 0, 0);
+ if (hFile == INVALID_HANDLE_VALUE) {
+ log_err("windowsaio: failed to create io completion port\n");
+ rc = 1;
}
- if (dequeued < min)
- WaitForSingleObject(wd->iocomplete_event, mswait);
-
- if (t != NULL && TimedOut(start_count, end_count))
- timedout = TRUE;
- }
+ wd = td->io_ops_data;
+ wd->iothread_running = TRUE;
+ wd->iocp = hFile;
- return dequeued;
-}
+ if (!rc)
+ ctx = malloc(sizeof(struct thread_ctx));
-static struct io_u *fio_windowsaio_event(struct thread_data *td, int event)
-{
- struct windowsaio_data *wd = td->io_ops->data;
- return wd->aio_events[event];
-}
+ if (!rc && ctx == NULL)
+ {
+ log_err("windowsaio: failed to allocate memory for thread context structure\n");
+ CloseHandle(hFile);
+ rc = 1;
+ }
-static int fio_windowsaio_queue(struct thread_data *td,
- struct io_u *io_u)
-{
- struct windowsaio_data *wd;
- LPOVERLAPPED lpOvl;
- DWORD iobytes;
- BOOL success = TRUE;
- int ind;
- int rc;
+ if (!rc)
+ {
+ DWORD threadid;
- fio_ro_check(td, io_u);
+ ctx->iocp = hFile;
+ ctx->wd = wd;
+ wd->iothread = CreateThread(NULL, 0, IoCompletionRoutine, ctx, 0, &threadid);
- wd = td->io_ops->data;
- ind = wd->io_index;
-
- ResetEvent(wd->io_handles[ind]);
-
- if (wd->useIOCP) {
- lpOvl = &wd->ovls[ind].o;
-
- lpOvl->Internal = STATUS_PENDING;
- lpOvl->InternalHigh = 0;
- lpOvl->Offset = io_u->offset & 0xFFFFFFFF;
- lpOvl->OffsetHigh = io_u->offset >> 32;
- lpOvl->hEvent = wd->io_handles[ind];
- lpOvl->Pointer = NULL;
- wd->ovls[ind].io_u = io_u;
- } else {
- lpOvl = NULL;
- }
-
- io_u->engine_data = &wd->ovls[ind];
- io_u->seen = 0;
-
- if (io_u->ddir == DDIR_WRITE) {
- success = WriteFile(io_u->file->hFile, io_u->xfer_buf, io_u->xfer_buflen, &iobytes, lpOvl);
- } else if (io_u->ddir == DDIR_READ) {
- success = ReadFile(io_u->file->hFile, io_u->xfer_buf, io_u->xfer_buflen, &iobytes, lpOvl);
- } else if (io_u->ddir == DDIR_SYNC ||
- io_u->ddir == DDIR_DATASYNC ||
- io_u->ddir == DDIR_SYNC_FILE_RANGE)
- {
- FlushFileBuffers(io_u->file->hFile);
- return FIO_Q_COMPLETED;
- } else if (io_u->ddir == DDIR_TRIM) {
- log_info("Manual TRIM isn't supported on Windows");
- return FIO_Q_COMPLETED;
- } else
- assert(0);
+ if (wd->iothread != NULL)
+ fio_setaffinity(threadid, td->o.cpumask);
+ else
+ log_err("windowsaio: failed to create io completion thread\n");
+ }
- if (wd->useIOCP && (success || GetLastError() == ERROR_IO_PENDING)) {
- wd->io_index = (wd->io_index + 1) % td->o.iodepth;
- rc = FIO_Q_QUEUED;
- } else if (success && !wd->useIOCP) {
- io_u->resid = io_u->xfer_buflen - iobytes;
- io_u->error = 0;
- rc = FIO_Q_COMPLETED;
- } else {
- PrintError(__func__);
- io_u->error = GetLastError();
- io_u->resid = io_u->xfer_buflen;
- rc = FIO_Q_COMPLETED;
+ if (rc || wd->iothread == NULL)
+ rc = 1;
}
return rc;
static void fio_windowsaio_cleanup(struct thread_data *td)
{
- int i;
struct windowsaio_data *wd;
- wd = td->io_ops->data;
-
- WaitForSingleObject(wd->iothread_stopped, INFINITE);
+ wd = td->io_ops_data;
if (wd != NULL) {
+ wd->iothread_running = FALSE;
+ WaitForSingleObject(wd->iothread, INFINITE);
+
CloseHandle(wd->iothread);
- CloseHandle(wd->iothread_stopped);
CloseHandle(wd->iocomplete_event);
- for (i = 0; i < td->o.iodepth; i++) {
- CloseHandle(wd->io_handles[i]);
- }
-
free(wd->aio_events);
- free(wd->io_handles);
- free(wd->ovls);
free(wd);
- td->io_ops->data = NULL;
- }
-}
-
-/* Runs as a thread and waits for queued IO to complete */
-static DWORD WINAPI IoCompletionRoutine(LPVOID lpParameter)
-{
- OVERLAPPED *ovl;
- FIO_OVERLAPPED *fov;
- struct io_u *io_u;
- struct windowsaio_data *wd;
- struct thread_ctx *ctx;
- ULONG_PTR ulKey = 0;
- DWORD bytes;
-
- ctx = (struct thread_ctx*)lpParameter;
- wd = ctx->wd;
-
- do {
- if (!GetQueuedCompletionStatus(ctx->iocp, &bytes, &ulKey, &ovl, 250))
- continue;
-
- fov = CONTAINING_RECORD(ovl, FIO_OVERLAPPED, o);
- io_u = fov->io_u;
-
- if (ovl->Internal == ERROR_SUCCESS) {
- io_u->resid = io_u->xfer_buflen - ovl->InternalHigh;
- io_u->error = 0;
- } else {
- io_u->resid = io_u->xfer_buflen;
- io_u->error = ovl->Internal;
- }
-
- SetEvent(wd->iocomplete_event);
- } while (ctx->wd->iothread_running);
-
- CloseHandle(ctx->iocp);
- SetEvent(ctx->wd->iothread_stopped);
- free(ctx);
-
- return 0;
-}
-
-static int fio_windowsaio_init(struct thread_data *td)
-{
- struct windowsaio_data *wd;
- HANDLE hKernel32Dll;
- int rc = 0;
-
- wd = malloc(sizeof(struct windowsaio_data));
- if (wd != NULL)
- ZeroMemory(wd, sizeof(struct windowsaio_data));
- else
- rc = 1;
-
- if (!rc) {
- wd->aio_events = malloc(td->o.iodepth * sizeof(struct io_u*));
- if (wd->aio_events == NULL)
- rc = 1;
- }
-
- if (!rc) {
- wd->io_handles = malloc(td->o.iodepth * sizeof(HANDLE));
- if (wd->io_handles == NULL)
- rc = 1;
- }
-
- if (!rc) {
- wd->ovls = malloc(td->o.iodepth * sizeof(FIO_OVERLAPPED));
- if (wd->ovls == NULL)
- rc = 1;
+ td->io_ops_data = NULL;
}
-
- if (!rc) {
- /* Create an auto-reset event */
- wd->iocomplete_event = CreateEvent(NULL, FALSE, FALSE, NULL);
- if (wd->iocomplete_event == NULL)
- rc = 1;
- }
-
- if (rc) {
- PrintError(__func__);
- if (wd != NULL) {
- if (wd->ovls != NULL)
- free(wd->ovls);
- if (wd->io_handles != NULL)
- free(wd->io_handles);
- if (wd->aio_events != NULL)
- free(wd->aio_events);
-
- free(wd);
- }
- }
-
- hKernel32Dll = GetModuleHandle("kernel32.dll");
- wd->pCancelIoEx = GetProcAddress(hKernel32Dll, "CancelIoEx");
-
- td->io_ops->data = wd;
- return 0;
}
static int fio_windowsaio_open_file(struct thread_data *td, struct fio_file *f)
{
int rc = 0;
- HANDLE hFile;
- DWORD flags = FILE_FLAG_POSIX_SEMANTICS;
+ DWORD flags = FILE_FLAG_POSIX_SEMANTICS | FILE_FLAG_OVERLAPPED;
DWORD sharemode = FILE_SHARE_READ | FILE_SHARE_WRITE;
DWORD openmode = OPEN_ALWAYS;
DWORD access;
- int i;
dprint(FD_FILE, "fd open %s\n", f->file_name);
if (f->filetype == FIO_TYPE_PIPE) {
- log_err("fio: windowsaio doesn't support pipes\n");
+ log_err("windowsaio: pipes are not supported\n");
return 1;
}
if (!strcmp(f->file_name, "-")) {
- log_err("fio: can't read/write to stdin/out\n");
+ log_err("windowsaio: can't read/write to stdin/out\n");
return 1;
}
- if (!td->o.odirect && !td->o.sync_io && td->io_ops->data != NULL)
- flags |= FILE_FLAG_OVERLAPPED;
-
if (td->o.odirect)
flags |= FILE_FLAG_NO_BUFFERING;
if (td->o.sync_io)
flags |= FILE_FLAG_WRITE_THROUGH;
-
+ /*
+ * Inform Windows whether we're going to be doing sequential or
+ * random io so it can tune the Cache Manager
+ */
if (td->o.td_ddir == TD_DDIR_READ ||
td->o.td_ddir == TD_DDIR_WRITE)
flags |= FILE_FLAG_SEQUENTIAL_SCAN;
else
access = (GENERIC_READ | GENERIC_WRITE);
- if (td->o.create_on_open > 0)
+ if (td->o.create_on_open)
openmode = OPEN_ALWAYS;
else
openmode = OPEN_EXISTING;
NULL, openmode, flags, NULL);
if (f->hFile == INVALID_HANDLE_VALUE) {
- PrintError(__func__);
+ log_err("windowsaio: failed to open file \"%s\"\n", f->file_name);
rc = 1;
}
- /* Only set up the competion port and thread if we're not just
+ /* Only set up the completion port and thread if we're not just
* querying the device size */
- if (!rc && td->io_ops->data != NULL && !td->o.odirect && !td->o.sync_io) {
- struct thread_ctx *ctx;
- struct windowsaio_data *wd;
- hFile = CreateIoCompletionPort(f->hFile, NULL, 0, 0);
+ if (!rc && td->io_ops_data != NULL) {
+ struct windowsaio_data *wd;
+ wd = td->io_ops_data;
- wd = td->io_ops->data;
+ if (CreateIoCompletionPort(f->hFile, wd->iocp, 0, 0) == NULL) {
+ log_err("windowsaio: failed to create io completion port\n");
+ rc = 1;
+ }
+ }
- if (!td->o.odirect && !td->o.sync_io)
- wd->useIOCP = 1;
- else
- wd->useIOCP = 0;
+ return rc;
+}
- wd->io_index = 0;
- wd->iothread_running = TRUE;
- /* Create a manual-reset event */
- wd->iothread_stopped = CreateEvent(NULL, TRUE, FALSE, NULL);
+static int fio_windowsaio_close_file(struct thread_data fio_unused *td, struct fio_file *f)
+{
+ int rc = 0;
- if (wd->iothread_stopped == NULL)
+ dprint(FD_FILE, "fd close %s\n", f->file_name);
+
+ if (f->hFile != INVALID_HANDLE_VALUE) {
+ if (!CloseHandle(f->hFile)) {
+ log_info("windowsaio: failed to close file handle for \"%s\"\n", f->file_name);
rc = 1;
+ }
+ }
+
+ f->hFile = INVALID_HANDLE_VALUE;
+ return rc;
+}
+
+static BOOL timeout_expired(DWORD start_count, DWORD end_count)
+{
+ BOOL expired = FALSE;
+ DWORD current_time;
+
+ current_time = GetTickCount();
+
+ if ((end_count > start_count) && current_time >= end_count)
+ expired = TRUE;
+ else if (current_time < start_count && current_time > end_count)
+ expired = TRUE;
+
+ return expired;
+}
+
+static struct io_u* fio_windowsaio_event(struct thread_data *td, int event)
+{
+ struct windowsaio_data *wd = td->io_ops_data;
+ return wd->aio_events[event];
+}
+
+static int fio_windowsaio_getevents(struct thread_data *td, unsigned int min,
+ unsigned int max,
+ const struct timespec *t)
+{
+ struct windowsaio_data *wd = td->io_ops_data;
+ unsigned int dequeued = 0;
+ struct io_u *io_u;
+ int i;
+ struct fio_overlapped *fov;
+ DWORD start_count = 0;
+ DWORD end_count = 0;
+ DWORD status;
+ DWORD mswait = 250;
+
+ if (t != NULL) {
+ mswait = (t->tv_sec * 1000) + (t->tv_nsec / 1000000);
+ start_count = GetTickCount();
+ end_count = start_count + (t->tv_sec * 1000) + (t->tv_nsec / 1000000);
+ }
- if (!rc) {
- for (i = 0; i < td->o.iodepth; i++) {
- /* Create a manual-reset event for putting in OVERLAPPED */
- wd->io_handles[i] = CreateEvent(NULL, TRUE, FALSE, NULL);
- if (wd->io_handles[i] == NULL) {
- PrintError(__func__);
- rc = 1;
- break;
- }
+ do {
+ io_u_qiter(&td->io_u_all, io_u, i) {
+ if (!(io_u->flags & IO_U_F_FLIGHT))
+ continue;
+
+ fov = (struct fio_overlapped*)io_u->engine_data;
+
+ if (fov->io_complete) {
+ fov->io_complete = FALSE;
+ wd->aio_events[dequeued] = io_u;
+ dequeued++;
}
- }
- if (!rc) {
- ctx = malloc(sizeof(struct thread_ctx));
- ctx->iocp = hFile;
- ctx->wd = wd;
+ }
+ if (dequeued >= min)
+ break;
- wd->iothread = CreateThread(NULL, 0, IoCompletionRoutine, ctx, 0, NULL);
+ if (dequeued < min) {
+ status = WaitForSingleObject(wd->iocomplete_event, mswait);
+ if (status != WAIT_OBJECT_0 && dequeued >= min)
+ break;
}
- if (rc || wd->iothread == NULL) {
- PrintError(__func__);
- rc = 1;
+ if (dequeued >= min || (t != NULL && timeout_expired(start_count, end_count)))
+ break;
+ } while (1);
+
+ return dequeued;
+}
+
+static int fio_windowsaio_queue(struct thread_data *td, struct io_u *io_u)
+{
+ struct fio_overlapped *o = io_u->engine_data;
+ LPOVERLAPPED lpOvl = &o->o;
+ BOOL success = FALSE;
+ int rc = FIO_Q_COMPLETED;
+
+ fio_ro_check(td, io_u);
+
+ lpOvl->Internal = 0;
+ lpOvl->InternalHigh = 0;
+ lpOvl->Offset = io_u->offset & 0xFFFFFFFF;
+ lpOvl->OffsetHigh = io_u->offset >> 32;
+
+ switch (io_u->ddir) {
+ case DDIR_WRITE:
+ success = WriteFile(io_u->file->hFile, io_u->xfer_buf, io_u->xfer_buflen, NULL, lpOvl);
+ break;
+ case DDIR_READ:
+ success = ReadFile(io_u->file->hFile, io_u->xfer_buf, io_u->xfer_buflen, NULL, lpOvl);
+ break;
+ case DDIR_SYNC:
+ case DDIR_DATASYNC:
+ case DDIR_SYNC_FILE_RANGE:
+ success = FlushFileBuffers(io_u->file->hFile);
+ if (!success) {
+ log_err("windowsaio: failed to flush file buffers\n");
+ io_u->error = win_to_posix_error(GetLastError());
}
+
+ return FIO_Q_COMPLETED;
+ break;
+ case DDIR_TRIM:
+ log_err("windowsaio: manual TRIM isn't supported on Windows\n");
+ io_u->error = 1;
+ io_u->resid = io_u->xfer_buflen;
+ return FIO_Q_COMPLETED;
+ break;
+ default:
+ assert(0);
+ break;
+ }
+
+ if (success || GetLastError() == ERROR_IO_PENDING)
+ rc = FIO_Q_QUEUED;
+ else {
+ io_u->error = win_to_posix_error(GetLastError());
+ io_u->resid = io_u->xfer_buflen;
}
return rc;
}
-static int fio_windowsaio_close_file(struct thread_data fio_unused *td, struct fio_file *f)
+/* Runs as a thread and waits for queued IO to complete */
+static DWORD WINAPI IoCompletionRoutine(LPVOID lpParameter)
{
+ OVERLAPPED *ovl;
+ struct fio_overlapped *fov;
+ struct io_u *io_u;
struct windowsaio_data *wd;
+ struct thread_ctx *ctx;
+ ULONG_PTR ulKey = 0;
+ DWORD bytes;
- dprint(FD_FILE, "fd close %s\n", f->file_name);
+ ctx = (struct thread_ctx*)lpParameter;
+ wd = ctx->wd;
- if (td->io_ops->data != NULL) {
- wd = td->io_ops->data;
- wd->iothread_running = FALSE;
- WaitForSingleObject(wd->iothread_stopped, INFINITE);
- }
+ do {
+ if (!GetQueuedCompletionStatus(ctx->iocp, &bytes, &ulKey, &ovl, 250) && ovl == NULL)
+ continue;
- if (f->hFile != INVALID_HANDLE_VALUE) {
- if (!CloseHandle(f->hFile))
- PrintError(__func__);
+ fov = CONTAINING_RECORD(ovl, struct fio_overlapped, o);
+ io_u = fov->io_u;
+
+ if (ovl->Internal == ERROR_SUCCESS) {
+ io_u->resid = io_u->xfer_buflen - ovl->InternalHigh;
+ io_u->error = 0;
+ } else {
+ io_u->resid = io_u->xfer_buflen;
+ io_u->error = win_to_posix_error(GetLastError());
+ }
+
+ fov->io_complete = TRUE;
+ SetEvent(wd->iocomplete_event);
+ } while (ctx->wd->iothread_running);
+
+ CloseHandle(ctx->iocp);
+ free(ctx);
+ return 0;
+}
+
+static void fio_windowsaio_io_u_free(struct thread_data *td, struct io_u *io_u)
+{
+ struct fio_overlapped *o = io_u->engine_data;
+
+ if (o) {
+ io_u->engine_data = NULL;
+ free(o);
}
+}
- f->hFile = INVALID_HANDLE_VALUE;
+static int fio_windowsaio_io_u_init(struct thread_data *td, struct io_u *io_u)
+{
+ struct fio_overlapped *o;
+
+ o = malloc(sizeof(*o));
+ o->io_complete = FALSE;
+ o->io_u = io_u;
+ o->o.hEvent = NULL;
+ io_u->engine_data = o;
return 0;
}
.version = FIO_IOOPS_VERSION,
.init = fio_windowsaio_init,
.queue = fio_windowsaio_queue,
- .cancel = fio_windowsaio_cancel,
.getevents = fio_windowsaio_getevents,
.event = fio_windowsaio_event,
.cleanup = fio_windowsaio_cleanup,
.open_file = fio_windowsaio_open_file,
.close_file = fio_windowsaio_close_file,
- .get_file_size = generic_get_file_size
+ .get_file_size = generic_get_file_size,
+ .io_u_init = fio_windowsaio_io_u_init,
+ .io_u_free = fio_windowsaio_io_u_free,
};
-static void fio_init fio_posixaio_register(void)
+static void fio_init fio_windowsaio_register(void)
{
register_ioengine(&ioengine);
}
-static void fio_exit fio_posixaio_unregister(void)
+static void fio_exit fio_windowsaio_unregister(void)
{
unregister_ioengine(&ioengine);
}