Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 228 insertions, 0 deletions

diff --git a/qa/btrfs/.gitignore b/qa/btrfs/.gitignore
new file mode 100644
index 000000000..530c1b5b4
--- /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 000000000..be95ecfd3
--- /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 000000000..0a88e1601
--- /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 000000000..2ef22af7b
--- /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 000000000..211be95a6
--- /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 000000000..5dafaacaa
--- /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;
+}