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| author | Anna-Maria Gleixner <anna-maria@linutronix.de> | 2016-11-27 00:13:46 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-12-02 00:52:39 +0100 |
| commit | 1dd6c834fa4a75a86fecefb6d1f1525f1cb755c7 (patch) | |
| tree | 1f2cc168f44a5d4ff4e0c4aa8b3c9318249053b4 /drivers/block/zram/zcomp.h | |
| parent | 3f7cd919f3df05918535de39273174710409eb40 (diff) | |
| download | op-kernel-dev-1dd6c834fa4a75a86fecefb6d1f1525f1cb755c7.zip op-kernel-dev-1dd6c834fa4a75a86fecefb6d1f1525f1cb755c7.tar.gz | |
zram: Convert to hotplug state machine
Install the callbacks via the state machine with multi instance support and let
the core invoke the callbacks on the already online CPUs.
[bigeasy: wire up the multi instance stuff]
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: rt@linutronix.de
Cc: Nitin Gupta <ngupta@vflare.org>
Link: http://lkml.kernel.org/r/20161126231350.10321-19-bigeasy@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/block/zram/zcomp.h')
| -rw-r--r-- | drivers/block/zram/zcomp.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/block/zram/zcomp.h b/drivers/block/zram/zcomp.h index 478cac2..41c1002 100644 --- a/drivers/block/zram/zcomp.h +++ b/drivers/block/zram/zcomp.h @@ -19,11 +19,12 @@ struct zcomp_strm { /* dynamic per-device compression frontend */ struct zcomp { struct zcomp_strm * __percpu *stream; - struct notifier_block notifier; - const char *name; + struct hlist_node node; }; +int zcomp_cpu_up_prepare(unsigned int cpu, struct hlist_node *node); +int zcomp_cpu_dead(unsigned int cpu, struct hlist_node *node); ssize_t zcomp_available_show(const char *comp, char *buf); bool zcomp_available_algorithm(const char *comp); |
