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-rw-r--r--src/liburing.h10
-rw-r--r--test/Makefile6
-rw-r--r--test/fsync.c58
3 files changed, 72 insertions, 2 deletions
diff --git a/src/liburing.h b/src/liburing.h
index 2e7303c..6b0ce71 100644
--- a/src/liburing.h
+++ b/src/liburing.h
@@ -115,4 +115,14 @@ static inline void io_uring_prep_poll_remove(struct io_uring_sqe *sqe,
sqe->addr = (unsigned long) user_data;
}
+static inline void io_uring_prep_fsync(struct io_uring_sqe *sqe, int fd,
+ int datasync)
+{
+ memset(sqe, 0, sizeof(*sqe));
+ sqe->opcode = IORING_OP_FSYNC;
+ sqe->fd = fd;
+ if (datasync)
+ sqe->fsync_flags = IORING_FSYNC_DATASYNC;
+}
+
#endif
diff --git a/test/Makefile b/test/Makefile
index db8b09a..8d8a65f 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -1,10 +1,10 @@
CFLAGS ?= -g -O2 -Wall -D_GNU_SOURCE -L../src/
-all_targets += io_uring-test io_uring-cp poll poll-cancel ring-leak
+all_targets += io_uring-test io_uring-cp poll poll-cancel ring-leak fsync
all: $(all_targets)
-test_srcs := io_uring-test.c io_uring-cp.c poll.c poll-cancel.c ring-leak.c
+test_srcs := io_uring-test.c io_uring-cp.c poll.c poll-cancel.c ring-leak.c fsync.c
test_objs := $(patsubst %.c,%.ol,$(test_srcs))
@@ -18,5 +18,7 @@ poll-cancel: poll-cancel.c
$(CC) $(CFLAGS) -o $@ poll-cancel.c -luring
ring-leak: ring-leak.c
$(CC) $(CFLAGS) -o $@ ring-leak.c -luring
+fsync: fsync.c
+ $(CC) $(CFLAGS) -o $@ fsync.c -luring
clean:
rm -f $(all_targets) $(test_objs)
diff --git a/test/fsync.c b/test/fsync.c
new file mode 100644
index 0000000..064f027
--- /dev/null
+++ b/test/fsync.c
@@ -0,0 +1,58 @@
+/*
+ * Description: test io_uring fsync handling
+ *
+ */
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+
+#include "../src/liburing.h"
+
+int main(int argc, char *argv[])
+{
+ struct io_uring_cqe *cqe;
+ struct io_uring_sqe *sqe;
+ struct io_uring ring;
+ char buf[32];
+ int fd, ret;
+
+ sprintf(buf, "./XXXXXX");
+ fd = mkstemp(buf);
+ if (fd < 0) {
+ perror("open");
+ return 1;
+ }
+
+ ret = io_uring_queue_init(1, &ring, 0);
+ if (ret) {
+ printf("ring setup failed\n");
+ return 1;
+
+ }
+
+ sqe = io_uring_get_sqe(&ring);
+ if (!sqe) {
+ printf("get sqe failed\n");
+ return 1;
+ }
+
+ io_uring_prep_fsync(sqe, fd, 0);
+
+ ret = io_uring_submit(&ring);
+ if (ret <= 0) {
+ printf("child: sqe submit failed\n");
+ return 1;
+ }
+
+ ret = io_uring_wait_completion(&ring, &cqe);
+ if (ret < 0) {
+ printf("child: wait completion %d\n", ret);
+ return 1;
+ }
+
+ unlink(buf);
+ return 0;
+}