Message ID | f69cdd6ec3cffc8d2bd5990feb131eb6be73a33e.1641376050.git.luke.nowakowskikrijger@canonical.com |
---|---|
State | Superseded |
Headers | show |
Series | Expand Cgroup shell library | expand |
On Wed, Jan 5, 2022 at 6:00 PM Luke Nowakowski-Krijger <luke.nowakowskikrijger@canonical.com> wrote: > > Add a helper function similar to cgroup_find_ctrl to make matching paths > to roots more convenient. > > Signed-off-by: Luke Nowakowski-Krijger <luke.nowakowskikrijger@canonical.com> > --- > lib/tst_cgroup.c | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/lib/tst_cgroup.c b/lib/tst_cgroup.c > index 166d0f97e..b06ae6ab7 100644 > --- a/lib/tst_cgroup.c > +++ b/lib/tst_cgroup.c > @@ -365,6 +365,19 @@ static struct cgroup_ctrl *cgroup_find_ctrl(const char *const ctrl_name) > return ctrl; > } > > +static struct cgroup_root *cgroup_find_root(const char *const mnt_path) > +{ > + struct cgroup_root *root = roots; > + > + while (root->ver && strcmp(root->mnt_path, mnt_path)) > + root++; > + > + if (!root->ver) > + root = NULL; > + > + return root; > +} I suggest using for_each_root() macro here, otherwise as I commented it can't parse root in V1. static struct cgroup_root *cgroup_find_root(const char *const mnt_path) { struct cgroup_root *root; for_each_root(root) { if (!strcmp(root->mnt_path, mnt_path)) return root; } return NULL; } > + > /* Determine if a mounted cgroup hierarchy is unique and record it if so. > * > * For CGroups V2 this is very simple as there is only one > -- > 2.32.0 > > > -- > Mailing list info: https://lists.linux.it/listinfo/ltp >
diff --git a/lib/tst_cgroup.c b/lib/tst_cgroup.c index 166d0f97e..b06ae6ab7 100644 --- a/lib/tst_cgroup.c +++ b/lib/tst_cgroup.c @@ -365,6 +365,19 @@ static struct cgroup_ctrl *cgroup_find_ctrl(const char *const ctrl_name) return ctrl; } +static struct cgroup_root *cgroup_find_root(const char *const mnt_path) +{ + struct cgroup_root *root = roots; + + while (root->ver && strcmp(root->mnt_path, mnt_path)) + root++; + + if (!root->ver) + root = NULL; + + return root; +} + /* Determine if a mounted cgroup hierarchy is unique and record it if so. * * For CGroups V2 this is very simple as there is only one
Add a helper function similar to cgroup_find_ctrl to make matching paths to roots more convenient. Signed-off-by: Luke Nowakowski-Krijger <luke.nowakowskikrijger@canonical.com> --- lib/tst_cgroup.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)