* [PATCH liburing 2/3] liburing.h: add mkdirat prep helpers
2020-11-16 5:10 [PATCH liburing 0/3] add mkdirat support Dmitry Kadashev
2020-11-16 5:10 ` [PATCH liburing 1/3] io_uring.h: add mkdirat opcode Dmitry Kadashev
@ 2020-11-16 5:10 ` Dmitry Kadashev
2020-11-16 5:10 ` [PATCH liburing 3/3] Add mkdirat test case Dmitry Kadashev
2 siblings, 0 replies; 4+ messages in thread
From: Dmitry Kadashev @ 2020-11-16 5:10 UTC (permalink / raw)
To: io-uring; +Cc: axboe, Dmitry Kadashev
Signed-off-by: Dmitry Kadashev <dkadashev@gmail.com>
---
src/include/liburing.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/include/liburing.h b/src/include/liburing.h
index cc32232..f1b16dc 100644
--- a/src/include/liburing.h
+++ b/src/include/liburing.h
@@ -486,6 +486,12 @@ static inline void io_uring_prep_renameat(struct io_uring_sqe *sqe, int olddfd,
sqe->rename_flags = flags;
}
+static inline void io_uring_prep_mkdirat(struct io_uring_sqe *sqe, int dfd,
+ const char *path, mode_t mode)
+{
+ io_uring_prep_rw(IORING_OP_MKDIRAT, sqe, dfd, path, mode, 0);
+}
+
/*
* Returns number of unconsumed (if SQPOLL) or unsubmitted entries exist in
* the SQ ring
--
2.29.2
^ permalink raw reply related [flat|nested] 4+ messages in thread* [PATCH liburing 3/3] Add mkdirat test case
2020-11-16 5:10 [PATCH liburing 0/3] add mkdirat support Dmitry Kadashev
2020-11-16 5:10 ` [PATCH liburing 1/3] io_uring.h: add mkdirat opcode Dmitry Kadashev
2020-11-16 5:10 ` [PATCH liburing 2/3] liburing.h: add mkdirat prep helpers Dmitry Kadashev
@ 2020-11-16 5:10 ` Dmitry Kadashev
2 siblings, 0 replies; 4+ messages in thread
From: Dmitry Kadashev @ 2020-11-16 5:10 UTC (permalink / raw)
To: io-uring; +Cc: axboe, Dmitry Kadashev
The test is relative basic: tests only success, EEXISTS, ENOENT (no
parent dir).
Signed-off-by: Dmitry Kadashev <dkadashev@gmail.com>
---
.gitignore | 1 +
test/Makefile | 2 +
test/mkdir.c | 105 ++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 108 insertions(+)
create mode 100644 test/mkdir.c
diff --git a/.gitignore b/.gitignore
index 53c076f..0a49dad 100644
--- a/.gitignore
+++ b/.gitignore
@@ -68,6 +68,7 @@
/test/link-timeout
/test/link_drain
/test/madvise
+/test/mkdir
/test/nop
/test/nop-all-sizes
/test/open-close
diff --git a/test/Makefile b/test/Makefile
index f457ac7..718bca9 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -66,6 +66,7 @@ test_targets += \
link-timeout \
link_drain \
madvise \
+ mkdir \
nop \
nop-all-sizes \
open-close \
@@ -186,6 +187,7 @@ test_srcs := \
link.c \
link_drain.c \
madvise.c \
+ mkdir.c \
nop-all-sizes.c \
nop.c \
open-close.c \
diff --git a/test/mkdir.c b/test/mkdir.c
new file mode 100644
index 0000000..88bb9b6
--- /dev/null
+++ b/test/mkdir.c
@@ -0,0 +1,105 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Description: test io_uring mkdirat handling
+ */
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "liburing.h"
+
+static int test_mkdirat(struct io_uring *ring, const char *fn)
+{
+ int ret;
+ struct io_uring_sqe *sqe;
+ struct io_uring_cqe *cqe;
+
+ sqe = io_uring_get_sqe(ring);
+ if (!sqe) {
+ fprintf(stderr, "sqe get failed\n");
+ goto err;
+ }
+ io_uring_prep_mkdirat(sqe, AT_FDCWD, fn, 0700);
+
+ ret = io_uring_submit(ring);
+ if (ret != 1) {
+ fprintf(stderr, "submit failed: %d\n", ret);
+ goto err;
+ }
+
+ ret = io_uring_wait_cqes(ring, &cqe, 1, 0, 0);
+ if (ret) {
+ fprintf(stderr, "wait_cqe failed: %d\n", ret);
+ goto err;
+ }
+ ret = cqe->res;
+ io_uring_cqe_seen(ring, cqe);
+ return ret;
+err:
+ return 1;
+}
+
+static int stat_file(const char *buf)
+{
+ struct stat sb;
+
+ if (!stat(buf, &sb))
+ return 0;
+
+ return errno;
+}
+
+int main(int argc, char *argv[])
+{
+ static const char fn[] = "io_uring-mkdirat-test";
+ int ret;
+ struct io_uring ring;
+
+ ret = io_uring_queue_init(8, &ring, 0);
+ if (ret) {
+ fprintf(stderr, "queue init failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = test_mkdirat(&ring, fn);
+ if (ret < 0) {
+ if (ret == -EBADF || ret == -EINVAL) {
+ fprintf(stdout, "mkdirat not supported, skipping\n");
+ goto out;
+ }
+ fprintf(stderr, "mkdirat: %s\n", strerror(-ret));
+ goto err;
+ } else if (ret) {
+ goto err;
+ }
+
+ if (stat_file(fn)) {
+ perror("stat");
+ goto err;
+ }
+
+ ret = test_mkdirat(&ring, fn);
+ if (ret != -EEXIST) {
+ fprintf(stderr, "test_mkdirat already exists failed: %d\n", ret);
+ goto err1;
+ }
+
+ ret = test_mkdirat(&ring, "surely/this/wont/exist");
+ if (ret != -ENOENT) {
+ fprintf(stderr, "test_mkdirat no parent failed: %d\n", ret);
+ goto err1;
+ }
+
+out:
+ unlinkat(AT_FDCWD, fn, AT_REMOVEDIR);
+ io_uring_queue_exit(&ring);
+ return 0;
+err1:
+ unlinkat(AT_FDCWD, fn, AT_REMOVEDIR);
+err:
+ io_uring_queue_exit(&ring);
+ return 1;
+}
--
2.29.2
^ permalink raw reply related [flat|nested] 4+ messages in thread