On 04/06/2011 10:37 AM, Jan Safranek wrote:
> Now we have API to list all mount points, cgclear can unmount them all.
>
> Signed-off-by: Jan Safranek<[email protected]>
Acked-by: Ivana Hutarova Varekova<[email protected]>
> ---
>
> src/config.c | 22 ++++++++++++++++------
> 1 files changed, 16 insertions(+), 6 deletions(-)
>
> diff --git a/src/config.c b/src/config.c
> index 63c5946..5c4598c 100644
> --- a/src/config.c
> +++ b/src/config.c
> @@ -741,6 +741,8 @@ static int cgroup_config_unload_controller(const struct
> cgroup_mount_point *moun
> int ret, error;
> struct cgroup *cgroup = NULL;
> struct cgroup_controller *cgc = NULL;
> + char path[FILENAME_MAX];
> + void *handle;
>
> cgroup = cgroup_new_cgroup(".");
> if (cgroup == NULL)
> @@ -756,13 +758,21 @@ static int cgroup_config_unload_controller(const struct
> cgroup_mount_point *moun
> if (ret != 0)
> goto out_error;
>
> - error = umount(mount_info->path);
> - if (error) {
> - last_errno = errno;
> - ret = ECGOTHER;
> - goto out_error;
> + /* unmount everything */
> + ret = cgroup_get_subsys_mount_point_begin(mount_info->name,&handle,
> + path);
> + while (ret == 0) {
> + error = umount(path);
> + if (error) {
> + last_errno = errno;
> + ret = ECGOTHER;
> + goto out_error;
> + }
> + ret = cgroup_get_subsys_mount_point_next(&handle, path);
> }
> -
> + cgroup_get_subsys_mount_point_end(&handle);
> + if (ret == ECGEOF)
> + ret = 0;
> out_error:
> if (cgroup)
> cgroup_free(&cgroup);
>
>
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