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-rw-r--r--qa/btrfs/.gitignore3
-rw-r--r--qa/btrfs/Makefile11
-rw-r--r--qa/btrfs/clone_range.c35
-rw-r--r--qa/btrfs/create_async_snap.c34
-rw-r--r--qa/btrfs/test_async_snap.c83
-rw-r--r--qa/btrfs/test_rmdir_async_snap.c62
6 files changed, 228 insertions, 0 deletions
diff --git a/qa/btrfs/.gitignore b/qa/btrfs/.gitignore
new file mode 100644
index 00000000..530c1b5b
--- /dev/null
+++ b/qa/btrfs/.gitignore
@@ -0,0 +1,3 @@
+/clone_range
+/test_async_snap
+/create_async_snap
diff --git a/qa/btrfs/Makefile b/qa/btrfs/Makefile
new file mode 100644
index 00000000..be95ecfd
--- /dev/null
+++ b/qa/btrfs/Makefile
@@ -0,0 +1,11 @@
+CFLAGS = -Wall -Wextra -D_GNU_SOURCE
+
+TARGETS = clone_range test_async_snap create_async_snap
+
+.c:
+ $(CC) $(CFLAGS) $@.c -o $@
+
+all: $(TARGETS)
+
+clean:
+ rm $(TARGETS)
diff --git a/qa/btrfs/clone_range.c b/qa/btrfs/clone_range.c
new file mode 100644
index 00000000..0a88e160
--- /dev/null
+++ b/qa/btrfs/clone_range.c
@@ -0,0 +1,35 @@
+#include <fcntl.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#include <string.h>
+
+#include <linux/types.h>
+#include "../../src/os/btrfs_ioctl.h"
+#include <stdio.h>
+#include <errno.h>
+
+int main(int argc, char **argv)
+{
+ struct btrfs_ioctl_clone_range_args ca;
+ int dfd;
+ int r;
+
+ if (argc < 6) {
+ printf("usage: %s <srcfn> <srcoffset> <srclen> <destfn> <destoffset>\n", argv[0]);
+ exit(1);
+ }
+
+ ca.src_fd = open(argv[1], O_RDONLY);
+ ca.src_offset = atoi(argv[2]);
+ ca.src_length = atoi(argv[3]);
+ dfd = open(argv[4], O_WRONLY|O_CREAT);
+ ca.dest_offset = atoi(argv[5]);
+
+ r = ioctl(dfd, BTRFS_IOC_CLONE_RANGE, &ca);
+ printf("clone_range %s %lld %lld~%lld to %s %d %lld = %d %s\n",
+ argv[1], ca.src_fd,
+ ca.src_offset, ca.src_length,
+ argv[4], dfd,
+ ca.dest_offset, r, strerror(errno));
+ return r;
+}
diff --git a/qa/btrfs/create_async_snap.c b/qa/btrfs/create_async_snap.c
new file mode 100644
index 00000000..2ef22af7
--- /dev/null
+++ b/qa/btrfs/create_async_snap.c
@@ -0,0 +1,34 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <string.h>
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+#include "../../src/os/btrfs_ioctl.h"
+
+struct btrfs_ioctl_vol_args_v2 va;
+
+int main(int argc, char **argv)
+{
+ int fd;
+ int r;
+
+ if (argc != 3) {
+ printf("usage: %s <source subvol> <name>\n", argv[0]);
+ return 1;
+ }
+ printf("creating snap ./%s from %s\n", argv[2], argv[1]);
+ fd = open(".", O_RDONLY);
+ va.fd = open(argv[1], O_RDONLY);
+ va.flags = BTRFS_SUBVOL_CREATE_ASYNC;
+ strcpy(va.name, argv[2]);
+ r = ioctl(fd, BTRFS_IOC_SNAP_CREATE_V2, (unsigned long long)&va);
+ printf("result %d\n", r ? -errno:0);
+ return r;
+}
diff --git a/qa/btrfs/test_async_snap.c b/qa/btrfs/test_async_snap.c
new file mode 100644
index 00000000..211be95a
--- /dev/null
+++ b/qa/btrfs/test_async_snap.c
@@ -0,0 +1,83 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <string.h>
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+#include "../../src/os/btrfs_ioctl.h"
+
+struct btrfs_ioctl_vol_args_v2 va;
+struct btrfs_ioctl_vol_args vold;
+int max = 4;
+
+void check_return(int r)
+{
+ if (r < 0) {
+ printf("********* failed with %d %s ********\n", errno, strerror(errno));
+ exit(1);
+ }
+}
+
+int main(int argc, char **argv)
+{
+ int num = 1000;
+
+ if (argc > 1)
+ num = atoi(argv[1]);
+ printf("will do %d iterations\n", num);
+
+ int cwd = open(".", O_RDONLY);
+ printf("cwd = %d\n", cwd);
+ while (num-- > 0) {
+ if (rand() % 10 == 0) {
+ __u64 transid;
+ int r;
+ printf("sync starting\n");
+ r = ioctl(cwd, BTRFS_IOC_START_SYNC, &transid);
+ check_return(r);
+ printf("sync started, transid %lld, waiting\n", transid);
+ r = ioctl(cwd, BTRFS_IOC_WAIT_SYNC, &transid);
+ check_return(r);
+ printf("sync finished\n");
+ }
+
+ int i = rand() % max;
+ struct stat st;
+ va.fd = cwd;
+ sprintf(va.name, "test.%d", i);
+ va.transid = 0;
+ int r = stat(va.name, &st);
+ if (r < 0) {
+ if (rand() % 3 == 0) {
+ printf("snap create (sync) %s\n", va.name);
+ va.flags = 0;
+ r = ioctl(cwd, BTRFS_IOC_SNAP_CREATE_V2, &va);
+ check_return(r);
+ } else {
+ printf("snap create (async) %s\n", va.name);
+ va.flags = BTRFS_SUBVOL_CREATE_ASYNC;
+ r = ioctl(cwd, BTRFS_IOC_SNAP_CREATE_V2, &va);
+ check_return(r);
+ printf("snap created, transid %lld\n", va.transid);
+ if (rand() % 2 == 0) {
+ printf("waiting for async snap create\n");
+ r = ioctl(cwd, BTRFS_IOC_WAIT_SYNC, &va.transid);
+ check_return(r);
+ }
+ }
+ } else {
+ printf("snap remove %s\n", va.name);
+ vold.fd = va.fd;
+ strcpy(vold.name, va.name);
+ r = ioctl(cwd, BTRFS_IOC_SNAP_DESTROY, &vold);
+ check_return(r);
+ }
+ }
+ return 0;
+}
diff --git a/qa/btrfs/test_rmdir_async_snap.c b/qa/btrfs/test_rmdir_async_snap.c
new file mode 100644
index 00000000..5dafaaca
--- /dev/null
+++ b/qa/btrfs/test_rmdir_async_snap.c
@@ -0,0 +1,62 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <string.h>
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+#include "../../src/os/btrfs_ioctl.h"
+
+struct btrfs_ioctl_vol_args_v2 va;
+struct btrfs_ioctl_vol_args vold;
+
+int main(int argc, char **argv)
+{
+ int num = 1000;
+ int i, r, fd;
+ char buf[30];
+
+ if (argc > 1)
+ num = atoi(argv[1]);
+ printf("will do %d iterations\n", num);
+
+ fd = open(".", O_RDONLY);
+ vold.fd = 0;
+ strcpy(vold.name, "current");
+ r = ioctl(fd, BTRFS_IOC_SUBVOL_CREATE, (unsigned long int)&vold);
+ printf("create current ioctl got %d\n", r ? errno:0);
+ if (r)
+ return 1;
+
+ for (i=0; i<num; i++) {
+ sprintf(buf, "current/dir.%d", i);
+ r = mkdir(buf, 0755);
+ printf("mkdir got %d\n", r ? errno:0);
+ if (r)
+ return 1;
+ }
+
+ va.fd = open("current", O_RDONLY);
+ va.flags = BTRFS_SUBVOL_CREATE_ASYNC;
+ for (i=0; i<num; i++) {
+ system("/bin/cp /boot/vmlinuz-3.2.0-ceph-00142-g9e98323 current/foo");
+ sprintf(buf, "current/dir.%d", i);
+ r = rmdir(buf);
+ printf("rmdir got %d\n", r ? errno:0);
+ if (r)
+ return 1;
+
+ if (i % 10) continue;
+ sprintf(va.name, "snap.%d", i);
+ r = ioctl(fd, BTRFS_IOC_SNAP_CREATE_V2, (unsigned long long)&va);
+ printf("ioctl got %d\n", r ? errno:0);
+ if (r)
+ return 1;
+ }
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-03 00:54:17 +0000