Hi,
While working on backporting commits to the 3.5 kernel, I came across
this commit which is tagged for stable kernels:
084457f284abf6789d90509ee11dae383842b23b cgroup: fix umount vs
cgroup_cfts_commit() race
This commit, however, seems to break the kernel build with the
following change:
- if (cfts && ss->root != &rootnode) {
+ if (cfts && ss->root != &rootnode &&
+ atomic_inc_not_zero(sb->s_active)) {
^^^^
It should be atomic_inc_not_zero(sb->s_active) instead, I believe.
This is fixed in a later commit:
e8c82d20a9f729cf4b9f73043f7fd4e0872bebfd cgroup: convert cgroup_cft_commit() to
use cgroup_for_each_descendant_pre()
Which is not tagged for stable inclusion.
Could you please advice? Should stable kernels just drop this patch?
Cheers,
--
Luis
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