vasilito
dc68054305
- Restore 29 recipe symlinks (libdrm, qtbase, dbus, sddm, pipewire, etc.) - Restore 33 patches (KDE, libdrm, mesa, pipewire, sddm, wireplumber) - Restore 20+ local/scripts (audit, lint, test, build helpers) - Restore src/cook/scheduler.rs, status.rs, gnu-config/ - Restore scripts/patch-inclusion-gate.sh, run_mini1.sh, validate-collision-log.sh - Recover TLC source from HEAD (was overwritten by 0.2.3 checkout) - Recover 11 local/docs plans from HEAD (were overwritten) - Recover qt6-wayland-smoke symlink from HEAD - Fix MOTD: remove garbled ASCII art, use clean text - Update version: 0.2.0 -> 0.2.4 in os-release, motd, config - Reduce filesystem_size: 1536 -> 512 MiB - Add ABSOLUTE RULE to AGENTS.md: never delete/ignore packages - Reduce pcid scheme log verbosity: info -> debug
97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
/**
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* css_get - obtain a reference on the specified css
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* @css: target css
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*
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* The caller must already have a reference.
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*/
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CGROUP_REF_FN_ATTRS
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void css_get(struct cgroup_subsys_state *css)
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{
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if (!(css->flags & CSS_NO_REF))
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percpu_ref_get(&css->refcnt);
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}
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CGROUP_REF_EXPORT(css_get)
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/**
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* css_get_many - obtain references on the specified css
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* @css: target css
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* @n: number of references to get
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*
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* The caller must already have a reference.
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*/
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CGROUP_REF_FN_ATTRS
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void css_get_many(struct cgroup_subsys_state *css, unsigned int n)
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{
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if (!(css->flags & CSS_NO_REF))
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percpu_ref_get_many(&css->refcnt, n);
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}
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CGROUP_REF_EXPORT(css_get_many)
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/**
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* css_tryget - try to obtain a reference on the specified css
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* @css: target css
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*
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* Obtain a reference on @css unless it already has reached zero and is
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* being released. This function doesn't care whether @css is on or
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* offline. The caller naturally needs to ensure that @css is accessible
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* but doesn't have to be holding a reference on it - IOW, RCU protected
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* access is good enough for this function. Returns %true if a reference
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* count was successfully obtained; %false otherwise.
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*/
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CGROUP_REF_FN_ATTRS
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bool css_tryget(struct cgroup_subsys_state *css)
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{
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if (!(css->flags & CSS_NO_REF))
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return percpu_ref_tryget(&css->refcnt);
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return true;
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}
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CGROUP_REF_EXPORT(css_tryget)
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/**
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* css_tryget_online - try to obtain a reference on the specified css if online
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* @css: target css
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*
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* Obtain a reference on @css if it's online. The caller naturally needs
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* to ensure that @css is accessible but doesn't have to be holding a
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* reference on it - IOW, RCU protected access is good enough for this
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* function. Returns %true if a reference count was successfully obtained;
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* %false otherwise.
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*/
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CGROUP_REF_FN_ATTRS
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bool css_tryget_online(struct cgroup_subsys_state *css)
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{
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if (!(css->flags & CSS_NO_REF))
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return percpu_ref_tryget_live(&css->refcnt);
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return true;
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}
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CGROUP_REF_EXPORT(css_tryget_online)
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/**
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* css_put - put a css reference
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* @css: target css
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*
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* Put a reference obtained via css_get() and css_tryget_online().
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*/
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CGROUP_REF_FN_ATTRS
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void css_put(struct cgroup_subsys_state *css)
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{
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if (!(css->flags & CSS_NO_REF))
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percpu_ref_put(&css->refcnt);
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}
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CGROUP_REF_EXPORT(css_put)
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/**
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* css_put_many - put css references
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* @css: target css
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* @n: number of references to put
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*
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* Put references obtained via css_get() and css_tryget_online().
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*/
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CGROUP_REF_FN_ATTRS
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void css_put_many(struct cgroup_subsys_state *css, unsigned int n)
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{
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if (!(css->flags & CSS_NO_REF))
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percpu_ref_put_many(&css->refcnt, n);
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}
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CGROUP_REF_EXPORT(css_put_many)
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