diff options
author | Sage Weil <sage@newdream.net> | 2011-06-29 12:58:41 -0700 |
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committer | Sage Weil <sage@newdream.net> | 2011-06-29 12:58:49 -0700 |
commit | 902f699c388c62357881c69cd204f10fcaf521d6 (patch) | |
tree | 0217e12f0fcb484f006a65e4627db01820748044 /qa/btrfs | |
parent | 7d7544192fecd946c5bb7a114350c608e84f1787 (diff) | |
download | ceph-902f699c388c62357881c69cd204f10fcaf521d6.tar.gz |
qa: add clone_range tool
Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'qa/btrfs')
-rw-r--r-- | qa/btrfs/.gitignore | 1 | ||||
-rw-r--r-- | qa/btrfs/clone_range.c | 35 |
2 files changed, 36 insertions, 0 deletions
diff --git a/qa/btrfs/.gitignore b/qa/btrfs/.gitignore new file mode 100644 index 00000000000..23809b19052 --- /dev/null +++ b/qa/btrfs/.gitignore @@ -0,0 +1 @@ +/clone_range diff --git a/qa/btrfs/clone_range.c b/qa/btrfs/clone_range.c new file mode 100644 index 00000000000..0a88e160131 --- /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; +} |