[PATCH 01/12] cgroup: move cgroup_clear_directory() call out of cgroup_populate_dir()
From: Tejun Heo <hidden>
Date: 2012-03-21 22:21:23
Also in:
lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
cgroup_populate_dir() currently clears all files and then repopulate the directory; however, the clearing part is only useful when it's called from cgroup_remount(). Relocate the invocation to cgroup_remount(). This is to prepare for further cgroup file handling updates. Signed-off-by: Tejun Heo <redacted> --- kernel/cgroup.c | 6 ++---- 1 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index deeab87..2e2f93b 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c@@ -1313,7 +1313,8 @@ static int cgroup_remount(struct super_block *sb, int *flags, char *data) goto out_unlock; } - /* (re)populate subsystem files */ + /* clear out any existing files and repopulate subsystem files */ + cgroup_clear_directory(cgrp->dentry); cgroup_populate_dir(cgrp); if (opts.release_agent)
@@ -3648,9 +3649,6 @@ static int cgroup_populate_dir(struct cgroup *cgrp) int err; struct cgroup_subsys *ss; - /* First clear out any existing files */ - cgroup_clear_directory(cgrp->dentry); - err = cgroup_add_files(cgrp, NULL, files, ARRAY_SIZE(files)); if (err < 0) return err;
--
1.7.7.3