diff options
| -rw-r--r-- | src/liburing.h | 10 | ||||
| -rw-r--r-- | test/Makefile | 6 | ||||
| -rw-r--r-- | test/fsync.c | 58 |
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; +} |