Re: [Libguestfs] [PATCH 3/5] New API: btrfs_filesystem_get_label

Signed-off-by: Hu Tao <hutao(a)cn.fujitsu.com&gt; --- daemon/btrfs.c | 32 ++++++++++++++++++++++++++++++++ generator/actions.ml | 15 +++++++++++++++ src/MAX_PROC_NR | 2 +- 3 files changed, 48 insertions(+), 1 deletion(-) diff --git a/daemon/btrfs.c b/daemon/btrfs.c index de20bc3..6c74892 100644 --- a/daemon/btrfs.c +++ b/daemon/btrfs.c @@ -1399,3 +1399,35 @@ do_btrfs_check (const char *device) return 0; } + +char * +do_btrfs_filesystem_get_label (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; + char *out; + int r; + + path_buf = sysroot_path (path); + if (path_buf == NULL) { + reply_with_perror ("malloc"); + return NULL; + } + + ADD_ARG (argv, i, str_btrfs); + ADD_ARG (argv, i, "filesystem"); + ADD_ARG (argv, i, "label"); + 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 NULL; + } + + return out; +}

diff --git a/generator/actions.ml b/generator/actions.ml index c328319..5223eb8 100644 --- a/generator/actions.ml +++ b/generator/actions.ml @@ -12281,6 +12281,21 @@ corrupt data." }; longdesc = "\ Check or repair a btrfs filesystem offline." }; + { defaults with + name = "btrfs_filesystem_get_label"; + style = RString "label", [Pathname "path"], []; + proc_nr = Some 437; + optional = Some "btrfs"; camel_name = "BTRFSFilesystemGetLabel"; + tests = [ + InitPartition, Always, TestResultString ( + [["mkfs_btrfs"; "/dev/sda1"; ""; ""; "NOARG"; ""; "label"; "NOARG"; ""; ""]; + ["mount"; "/dev/sda1"; "/"]; + ["btrfs_filesystem_get_label"; "/";]], "label\n"), []; + ];