mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-20 09:31:09 +00:00
09ace81c1d
This adds AIO support to the ubd driver. The driver breaks a struct request into IO requests to the host, based on the hardware segments in the request and on any COW blocks covered by the request. The ubd IO thread is gone, since there is now an equivalent thread in the AIO module. There is provision for multiple outstanding requests now. Requests aren't retired until all pieces of it have been completed. The AIO requests have a shared count, which is decremented as IO operations come in until it reaches 0. This can be possibly moved to the request struct - haven't looked at this yet. Signed-off-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
59 lines
2 KiB
Makefile
59 lines
2 KiB
Makefile
#
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# Copyright (C) 2000, 2002, 2003 Jeff Dike (jdike@karaya.com)
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# Licensed under the GPL
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#
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# pcap is broken in 2.5 because kbuild doesn't allow pcap.a to be linked
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# in to pcap.o
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slip-objs := slip_kern.o slip_user.o
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slirp-objs := slirp_kern.o slirp_user.o
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daemon-objs := daemon_kern.o daemon_user.o
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mcast-objs := mcast_kern.o mcast_user.o
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net-objs := net_kern.o net_user.o
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mconsole-objs := mconsole_kern.o mconsole_user.o
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hostaudio-objs := hostaudio_kern.o
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ubd-objs := ubd_kern.o
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port-objs := port_kern.o port_user.o
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harddog-objs := harddog_kern.o harddog_user.o
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LDFLAGS_pcap.o := -r $(shell $(CC) $(CFLAGS) -print-file-name=libpcap.a)
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targets := pcap_kern.o pcap_user.o
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$(obj)/pcap.o: $(obj)/pcap_kern.o $(obj)/pcap_user.o
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$(LD) -r -dp -o $@ $^ $(LDFLAGS) $(LDFLAGS_pcap.o)
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#XXX: The call below does not work because the flags are added before the
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# object name, so nothing from the library gets linked.
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#$(call if_changed,ld)
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# When the above is fixed, don't forget to add this too!
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#targets += $(obj)/pcap.o
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obj-y := stdio_console.o fd.o chan_kern.o chan_user.o line.o
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obj-$(CONFIG_SSL) += ssl.o
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obj-$(CONFIG_STDERR_CONSOLE) += stderr_console.o
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obj-$(CONFIG_UML_NET_SLIP) += slip.o slip_common.o
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obj-$(CONFIG_UML_NET_SLIRP) += slirp.o slip_common.o
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obj-$(CONFIG_UML_NET_DAEMON) += daemon.o
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obj-$(CONFIG_UML_NET_MCAST) += mcast.o
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obj-$(CONFIG_UML_NET_PCAP) += pcap.o
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obj-$(CONFIG_UML_NET) += net.o
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obj-$(CONFIG_MCONSOLE) += mconsole.o
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obj-$(CONFIG_MMAPPER) += mmapper_kern.o
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obj-$(CONFIG_BLK_DEV_UBD) += ubd.o
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obj-$(CONFIG_HOSTAUDIO) += hostaudio.o
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obj-$(CONFIG_NULL_CHAN) += null.o
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obj-$(CONFIG_PORT_CHAN) += port.o
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obj-$(CONFIG_PTY_CHAN) += pty.o
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obj-$(CONFIG_TTY_CHAN) += tty.o
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obj-$(CONFIG_XTERM_CHAN) += xterm.o xterm_kern.o
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obj-$(CONFIG_UML_WATCHDOG) += harddog.o
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obj-$(CONFIG_BLK_DEV_COW_COMMON) += cow_user.o
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obj-$(CONFIG_UML_RANDOM) += random.o
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# pcap_user.o must be added explicitly.
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USER_OBJS := fd.o null.o pty.o tty.o xterm.o slip_common.o pcap_user.o
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include arch/um/scripts/Makefile.rules
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