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5e605b64a1
This borrows some code from NAPI and implements a polled completion mode for block devices. The idea is the same as NAPI - instead of doing the command completion when the irq occurs, schedule a dedicated softirq in the hopes that we will complete more IO when the iopoll handler is invoked. Devices have a budget of commands assigned, and will stay in polled mode as long as they continue to consume their budget from the iopoll softirq handler. If they do not, the device is set back to interrupt completion mode. This patch holds the core bits for blk-iopoll, device driver support sold separately. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
18 lines
582 B
Makefile
18 lines
582 B
Makefile
#
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# Makefile for the kernel block layer
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#
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obj-$(CONFIG_BLOCK) := elevator.o blk-core.o blk-tag.o blk-sysfs.o \
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blk-barrier.o blk-settings.o blk-ioc.o blk-map.o \
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blk-exec.o blk-merge.o blk-softirq.o blk-timeout.o \
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blk-iopoll.o ioctl.o genhd.o scsi_ioctl.o
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obj-$(CONFIG_BLK_DEV_BSG) += bsg.o
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obj-$(CONFIG_IOSCHED_NOOP) += noop-iosched.o
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obj-$(CONFIG_IOSCHED_AS) += as-iosched.o
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obj-$(CONFIG_IOSCHED_DEADLINE) += deadline-iosched.o
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obj-$(CONFIG_IOSCHED_CFQ) += cfq-iosched.o
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obj-$(CONFIG_BLOCK_COMPAT) += compat_ioctl.o
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obj-$(CONFIG_BLK_DEV_INTEGRITY) += blk-integrity.o
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