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authorTejun Heo <tj@kernel.org>2014-02-13 12:58:38 +0100
committerTejun Heo <tj@kernel.org>2014-02-13 12:58:38 +0100
commit35585573055f37837eb752ee22eb5523682ca742 (patch)
tree6cf006b6409e6256ca4d3a81eb5701cde931a324 /.gitignore
parentcgroup: disallow xattr, release_agent and name if sane_behavior (diff)
downloadlinux-35585573055f37837eb752ee22eb5523682ca742.tar.xz
linux-35585573055f37837eb752ee22eb5523682ca742.zip
cgroup: drop CGRP_ROOT_SUBSYS_BOUND
Before kernfs conversion, due to the way super_block lookup works, cgroup roots were created and made visible before being fully initialized. This in turn required a special flag to mark that the root hasn't been fully initialized so that the destruction path can tell fully bound ones from half initialized. That flag is CGRP_ROOT_SUBSYS_BOUND and no longer necessary after the kernfs conversion as the lookup and creation of new root are atomic w.r.t. cgroup_mutex. This patch removes the flag and passes the requests subsystem mask to cgroup_setup_root() so that it can set the respective mask bits as subsystems are bound. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Li Zefan <lizefan@huawei.com>
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