Re: [Libguestfs] [PATCH 4/5] New API: add btrfs_filesystem_defragment

Signed-off-by: Hu Tao <hutao(a)cn.fujitsu.com&gt; --- daemon/btrfs.c | 32 ++++++++++++++++++++++++++++++++ generator/actions.ml | 20 ++++++++++++++++++++ src/MAX_PROC_NR | 2 +- 3 files changed, 53 insertions(+), 1 deletion(-) diff --git a/daemon/btrfs.c b/daemon/btrfs.c index 6c74892..32b1b05 100644 --- a/daemon/btrfs.c +++ b/daemon/btrfs.c @@ -1431,3 +1431,35 @@ do_btrfs_filesystem_get_label (const char *path) return out; } + +int +do_btrfs_filesystem_defragment (const char *path) +{ + const size_t MAX_ARGS = 64; + const char *argv[MAX_ARGS]; + size_t i = 0; + CLEANUP_FREE char *path_buf = NULL; + CLEANUP_FREE char *err = NULL; + CLEANUP_FREE char *out = NULL; + int r; + + path_buf = sysroot_path (path); + if (path_buf == NULL) { + reply_with_perror ("malloc"); + return -1; + } + + ADD_ARG (argv, i, str_btrfs); + ADD_ARG (argv, i, "filesystem"); + ADD_ARG (argv, i, "defragment"); + ADD_ARG (argv, i, path_buf); + ADD_ARG (argv, i, NULL); + + r = commandv (&out, &err, argv); + if (r == -1) { + reply_with_error ("%s: %s", path, err); + return -1; + } + + return 0; +}

diff --git a/generator/actions.ml b/generator/actions.ml index 5223eb8..4b24f8a 100644 --- a/generator/actions.ml +++ b/generator/actions.ml @@ -12296,6 +12296,26 @@ Check or repair a btrfs filesystem offline." }; longdesc = "\ Get a btrfs filesystem's label." }; + { defaults with + name = "btrfs_filesystem_defragment"; + style = RErr, [Pathname "path"], []; + proc_nr = Some 438; + optional = Some "btrfs"; camel_name = "BTRFSFilesystemDefragment"; + tests = [ + InitPartition, Always, TestRun ( + [["mkfs_btrfs"; "/dev/sda1"; ""; ""; "NOARG"; ""; "NOARG"; "NOARG"; ""; ""]; + ["mount"; "/dev/sda1"; "/"]; + ["btrfs_filesystem_defragment"; "/"]]), []; + InitPartition, Always, TestRun ( + [["mkfs_btrfs"; "/dev/sda1"; ""; ""; "NOARG"; ""; "NOARG"; "NOARG"; ""; ""]; + ["mount"; "/dev/sda1"; "/"]; + ["touch"; "/hello"]; + ["btrfs_filesystem_defragment"; "/hello"]]), []; + ]; + shortdesc = "defragment a file or directory"; + longdesc = "\ +Defragment a file or directory." };