[Libguestfs] [PATCH 5/5] New API: btrfs_filesystem_set_label
Pino Toscano
ptoscano at redhat.com
Fri Jan 16 09:50:37 UTC 2015
On Friday 16 January 2015 09:21:49 Hu Tao wrote:
> On Mon, Jan 05, 2015 at 01:01:52PM +0100, Pino Toscano wrote:
> > In data venerdì 26 dicembre 2014 16:17:49, Hu Tao ha scritto:
> > > Signed-off-by: Hu Tao <hutao at cn.fujitsu.com>
> > > ---
> > > daemon/btrfs.c | 33 +++++++++++++++++++++++++++++++++
> > > generator/actions.ml | 16 ++++++++++++++++
> > > src/MAX_PROC_NR | 2 +-
> > > 3 files changed, 50 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/daemon/btrfs.c b/daemon/btrfs.c
> > > index 32b1b05..f9e35be 100644
> > > --- a/daemon/btrfs.c
> > > +++ b/daemon/btrfs.c
> > > @@ -1463,3 +1463,36 @@ do_btrfs_filesystem_defragment (const char *path)
> > >
> > > return 0;
> > > }
> > > +
> > > +int
> > > +do_btrfs_filesystem_set_label (const char *path, const char *label)
> > > +{
> > > + 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, "label");
> > > + ADD_ARG (argv, i, path_buf);
> > > + ADD_ARG (argv, i, label);
> > > + ADD_ARG (argv, i, NULL);
> > > +
> > > + r = commandv (&out, &err, argv);
> > > + if (r == -1) {
> > > + reply_with_error ("%s: %s", path, err);
> > > + return -1;
> > > + }
> > > +
> > > + return 0;
> > > +}
> >
> > Isn't this alredy covered by set_label?
> >
> > > diff --git a/generator/actions.ml b/generator/actions.ml
> > > index 4b24f8a..7e1f3ed 100644
> > > --- a/generator/actions.ml
> > > +++ b/generator/actions.ml
> > > @@ -12316,6 +12316,22 @@ Get a btrfs filesystem's label." };
> > > longdesc = "\
> > > Defragment a file or directory." };
> > >
> > > + { defaults with
> > > + name = "btrfs_filesystem_set_label";
> > > + style = RErr, [Pathname "path"; String "label"], [];
> > > + proc_nr = Some 439;
> > > + optional = Some "btrfs"; camel_name = "BTRFSFilesystemSetLabel";
> > > + tests = [
> > > + InitPartition, Always, TestResultString (
> > > + [["mkfs_btrfs"; "/dev/sda1"; ""; ""; "NOARG"; ""; "NOARG"; "NOARG"; ""; ""];
> > > + ["mount"; "/dev/sda1"; "/"];
> > > + ["btrfs_filesystem_set_label"; "/"; "newlabel"];
> > > + ["btrfs_filesystem_get_label"; "/"]], "newlabel"), [];
> > > + ];
> >
> > This test bit would be good to be added to the tests of set_label,
> > just with s/Always/IfAvailable "btrfs"/ so it is run only when btrfs
> > is available.
>
> I found that all btrfs APIs are in optgroup "btrfs", so it is OK to
> "Always" test them.
As long as they are part of a "optional/btrfs" API yes, but not if you
add such btrfs-specific tests to a non-btrfs API such as set_label.
--
Pino Toscano
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