From 511cbce2ff8b9d322077909ee90c5d4b67b29b75 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 10 Nov 2015 14:56:14 +0100 Subject: irq_poll: make blk-iopoll available outside the block layer The new name is irq_poll as iopoll is already taken. Better suggestions welcome. Signed-off-by: Christoph Hellwig Reviewed-by: Bart Van Assche --- include/linux/blk-iopoll.h | 46 ---------------------------------------------- include/linux/interrupt.h | 2 +- include/linux/irq_poll.h | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 47 insertions(+), 47 deletions(-) delete mode 100644 include/linux/blk-iopoll.h create mode 100644 include/linux/irq_poll.h (limited to 'include/linux') diff --git a/include/linux/blk-iopoll.h b/include/linux/blk-iopoll.h deleted file mode 100644 index 77ae77c0b704..000000000000 --- a/include/linux/blk-iopoll.h +++ /dev/null @@ -1,46 +0,0 @@ -#ifndef BLK_IOPOLL_H -#define BLK_IOPOLL_H - -struct blk_iopoll; -typedef int (blk_iopoll_fn)(struct blk_iopoll *, int); - -struct blk_iopoll { - struct list_head list; - unsigned long state; - unsigned long data; - int weight; - int max; - blk_iopoll_fn *poll; -}; - -enum { - IOPOLL_F_SCHED = 0, - IOPOLL_F_DISABLE = 1, -}; - -/* - * Returns 0 if we successfully set the IOPOLL_F_SCHED bit, indicating - * that we were the first to acquire this iop for scheduling. If this iop - * is currently disabled, return "failure". - */ -static inline int blk_iopoll_sched_prep(struct blk_iopoll *iop) -{ - if (!test_bit(IOPOLL_F_DISABLE, &iop->state)) - return test_and_set_bit(IOPOLL_F_SCHED, &iop->state); - - return 1; -} - -static inline int blk_iopoll_disable_pending(struct blk_iopoll *iop) -{ - return test_bit(IOPOLL_F_DISABLE, &iop->state); -} - -extern void blk_iopoll_sched(struct blk_iopoll *); -extern void blk_iopoll_init(struct blk_iopoll *, int, blk_iopoll_fn *); -extern void blk_iopoll_complete(struct blk_iopoll *); -extern void __blk_iopoll_complete(struct blk_iopoll *); -extern void blk_iopoll_enable(struct blk_iopoll *); -extern void blk_iopoll_disable(struct blk_iopoll *); - -#endif diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index ad16809c8596..7ff98c23199a 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -412,7 +412,7 @@ enum NET_TX_SOFTIRQ, NET_RX_SOFTIRQ, BLOCK_SOFTIRQ, - BLOCK_IOPOLL_SOFTIRQ, + IRQ_POLL_SOFTIRQ, TASKLET_SOFTIRQ, SCHED_SOFTIRQ, HRTIMER_SOFTIRQ, /* Unused, but kept as tools rely on the diff --git a/include/linux/irq_poll.h b/include/linux/irq_poll.h new file mode 100644 index 000000000000..50c39dcd2cba --- /dev/null +++ b/include/linux/irq_poll.h @@ -0,0 +1,46 @@ +#ifndef IRQ_POLL_H +#define IRQ_POLL_H + +struct irq_poll; +typedef int (irq_poll_fn)(struct irq_poll *, int); + +struct irq_poll { + struct list_head list; + unsigned long state; + unsigned long data; + int weight; + int max; + irq_poll_fn *poll; +}; + +enum { + IRQ_POLL_F_SCHED = 0, + IRQ_POLL_F_DISABLE = 1, +}; + +/* + * Returns 0 if we successfully set the IRQ_POLL_F_SCHED bit, indicating + * that we were the first to acquire this iop for scheduling. If this iop + * is currently disabled, return "failure". + */ +static inline int irq_poll_sched_prep(struct irq_poll *iop) +{ + if (!test_bit(IRQ_POLL_F_DISABLE, &iop->state)) + return test_and_set_bit(IRQ_POLL_F_SCHED, &iop->state); + + return 1; +} + +static inline int irq_poll_disable_pending(struct irq_poll *iop) +{ + return test_bit(IRQ_POLL_F_DISABLE, &iop->state); +} + +extern void irq_poll_sched(struct irq_poll *); +extern void irq_poll_init(struct irq_poll *, int, irq_poll_fn *); +extern void irq_poll_complete(struct irq_poll *); +extern void __irq_poll_complete(struct irq_poll *); +extern void irq_poll_enable(struct irq_poll *); +extern void irq_poll_disable(struct irq_poll *); + +#endif -- cgit v1.2.3 From ea51190c03150fce4d9e428bfb608abbe0991db8 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 7 Dec 2015 06:41:11 -0800 Subject: irq_poll: fold irq_poll_sched_prep into irq_poll_sched There is no good reason to keep them apart, and this makes using the API a bit simpler. Signed-off-by: Christoph Hellwig Reviewed-by: Bart Van Assche --- include/linux/irq_poll.h | 13 ------------- 1 file changed, 13 deletions(-) (limited to 'include/linux') diff --git a/include/linux/irq_poll.h b/include/linux/irq_poll.h index 50c39dcd2cba..57efae661400 100644 --- a/include/linux/irq_poll.h +++ b/include/linux/irq_poll.h @@ -18,19 +18,6 @@ enum { IRQ_POLL_F_DISABLE = 1, }; -/* - * Returns 0 if we successfully set the IRQ_POLL_F_SCHED bit, indicating - * that we were the first to acquire this iop for scheduling. If this iop - * is currently disabled, return "failure". - */ -static inline int irq_poll_sched_prep(struct irq_poll *iop) -{ - if (!test_bit(IRQ_POLL_F_DISABLE, &iop->state)) - return test_and_set_bit(IRQ_POLL_F_SCHED, &iop->state); - - return 1; -} - static inline int irq_poll_disable_pending(struct irq_poll *iop) { return test_bit(IRQ_POLL_F_DISABLE, &iop->state); -- cgit v1.2.3 From 0bc92ace52ef3ed1c8eb9bcf36cd3d7ca72d5d14 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 7 Dec 2015 06:56:36 -0800 Subject: irq_poll: fold irq_poll_disable_pending into irq_poll_softirq Signed-off-by: Christoph Hellwig Reviewed-by: Bart Van Assche --- include/linux/irq_poll.h | 5 ----- 1 file changed, 5 deletions(-) (limited to 'include/linux') diff --git a/include/linux/irq_poll.h b/include/linux/irq_poll.h index 57efae661400..b4ad03cee9d4 100644 --- a/include/linux/irq_poll.h +++ b/include/linux/irq_poll.h @@ -18,11 +18,6 @@ enum { IRQ_POLL_F_DISABLE = 1, }; -static inline int irq_poll_disable_pending(struct irq_poll *iop) -{ - return test_bit(IRQ_POLL_F_DISABLE, &iop->state); -} - extern void irq_poll_sched(struct irq_poll *); extern void irq_poll_init(struct irq_poll *, int, irq_poll_fn *); extern void irq_poll_complete(struct irq_poll *); -- cgit v1.2.3 From 83af187d1b776753d58b53d155318d94f9428e92 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 7 Dec 2015 06:57:25 -0800 Subject: irq_poll: mark __irq_poll_complete static Signed-off-by: Christoph Hellwig Reviewed-by: Bart Van Assche --- include/linux/irq_poll.h | 1 - 1 file changed, 1 deletion(-) (limited to 'include/linux') diff --git a/include/linux/irq_poll.h b/include/linux/irq_poll.h index b4ad03cee9d4..8c4b4087f1f2 100644 --- a/include/linux/irq_poll.h +++ b/include/linux/irq_poll.h @@ -21,7 +21,6 @@ enum { extern void irq_poll_sched(struct irq_poll *); extern void irq_poll_init(struct irq_poll *, int, irq_poll_fn *); extern void irq_poll_complete(struct irq_poll *); -extern void __irq_poll_complete(struct irq_poll *); extern void irq_poll_enable(struct irq_poll *); extern void irq_poll_disable(struct irq_poll *); -- cgit v1.2.3 From 839a301dc2c007ec942b73a0025695056648f59b Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 7 Dec 2015 06:57:52 -0800 Subject: irq_poll: remove unused data and max fields Signed-off-by: Christoph Hellwig Reviewed-by: Bart Van Assche --- include/linux/irq_poll.h | 2 -- 1 file changed, 2 deletions(-) (limited to 'include/linux') diff --git a/include/linux/irq_poll.h b/include/linux/irq_poll.h index 8c4b4087f1f2..3e8c1b8fb9be 100644 --- a/include/linux/irq_poll.h +++ b/include/linux/irq_poll.h @@ -7,9 +7,7 @@ typedef int (irq_poll_fn)(struct irq_poll *, int); struct irq_poll { struct list_head list; unsigned long state; - unsigned long data; int weight; - int max; irq_poll_fn *poll; }; -- cgit v1.2.3