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adding Irix (and, to a lesser extent, Solaris) userland emulation to QEMU
39,744 Commits 28 Branches 227 Tags 202 MiB
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Dimitris Aragiorgis 1b6bc94d5d Fix migration in case of scsi-generic 
During migration, QEMU uses fsync()/fdatasync() on the open file
descriptor for read-write block devices to flush data just before
stopping the VM.

However, fsync() on a scsi-generic device returns -EINVAL which
causes the migration to fail. This patch skips flushing data in case
of an SG device, since submitting SCSI commands directly via an SG
character device (e.g. /dev/sg0) bypasses the page cache completely,
anyway.

Note that fsync() not only flushes the page cache but also the disk
cache. The scsi-generic device never sends flushes, and for
migration it assumes that the same SCSI device is used by the
destination host, so it does not issue any SCSI SYNCHRONIZE CACHE
(10) command.

Finally, remove the bdrv_is_sg() test from iscsi_co_flush() since
this is now redundant (we flush the underlying protocol at the end
of bdrv_co_flush() which, with this patch, we never reach).

Signed-off-by: Dimitris Aragiorgis <dimara@arrikto.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1435056300-14924-3-git-send-email-dimara@arrikto.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
 		2015-06-23 15:08:52 +01:00
audio qerror: Move #include out of qerror.h 2015-06-22 18:20:40 +02:00
backends Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
block Fix migration in case of scsi-generic 2015-06-23 15:08:52 +01:00
bsd-user target-i386: use memory API to implement SMRAM 2015-06-05 17:36:39 +02:00
default-configs virtio-gpu: pci support bits and virtio-vga. 2015-06-16 10:35:43 +01:00
disas target-mips: add MTHC0 and MFHC0 instructions 2015-06-12 09:05:31 +01:00
docs qapi: Drop bogus command from docs 2015-06-18 14:12:33 +02:00
dtc@65cc4d2748 dtc: Update dtc / libfdt submodule to version 1.4.0 2015-06-03 23:56:49 +02:00
fpu target-s390x: define default NaN values 2015-06-05 01:37:58 +02:00
fsdev virtfs-proxy-helper: fail gracefully if socket path is too long 2015-06-16 20:32:29 +05:30
gdb-xml gdb-xml: Include XML for s390 vector registers 2015-05-27 17:52:03 +02:00
hw nvme: Fix memleak in nvme_dma_read_prp 2015-06-23 15:06:17 +01:00
include util/hbitmap: Add an API to reset all set bits in hbitmap 2015-06-23 15:06:16 +01:00
libcacard libcacard: do not use full paths for include files in the same dir 2015-04-30 16:05:48 +03:00
libdecnumber
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linux-headers virtio, pci fixes, enhancements 2015-06-19 11:30:57 +01:00
linux-user linux-user: ioctl() command type is int 2015-06-16 09:37:17 +03:00
migration Include monitor/monitor.h exactly where needed 2015-06-22 18:20:41 +02:00
net Include monitor/monitor.h exactly where needed 2015-06-22 18:20:41 +02:00
pc-bios Update OpenBIOS images 2015-06-17 20:02:15 +01:00
pixman@87eea99e44
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po
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qapi vvfat: add a label option 2015-06-23 15:06:17 +01:00
qga qerror: Clean up QERR_ macros to expand into a single string 2015-06-22 18:20:40 +02:00
qobject Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
qom qerror: Clean up QERR_ macros to expand into a single string 2015-06-22 18:20:40 +02:00
roms Update OpenBIOS images 2015-06-17 20:02:15 +01:00
scripts Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
slirp qerror: Move #include out of qerror.h 2015-06-22 18:20:40 +02:00
stubs Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
target-alpha disas: Remove uses of CPU env 2015-06-22 17:40:01 +02:00
target-arm Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
target-cris disas: Remove uses of CPU env 2015-06-22 17:40:01 +02:00
target-i386 Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
target-lm32 disas: Remove uses of CPU env 2015-06-22 17:40:01 +02:00
target-m68k Monitor patches 2015-06-23 10:38:00 +01:00
target-microblaze disas: Remove uses of CPU env 2015-06-22 17:40:01 +02:00
target-mips disas: Remove uses of CPU env 2015-06-22 17:40:01 +02:00
target-moxie target-moxie: Fix warnings from Sparse (one-bit signed bitfield) 2015-03-19 11:11:55 +03:00
target-openrisc disas: Remove uses of CPU env 2015-06-22 17:40:01 +02:00
target-ppc disas: Remove uses of CPU env 2015-06-22 17:40:01 +02:00
target-s390x Include monitor/monitor.h exactly where needed 2015-06-22 18:20:41 +02:00
target-sh4 disas: Remove uses of CPU env 2015-06-22 17:40:01 +02:00
target-sparc disas: Remove uses of CPU env 2015-06-22 17:40:01 +02:00
target-tricore disas: Remove uses of CPU env 2015-06-22 17:40:01 +02:00
target-unicore32 disas: Remove uses of CPU env 2015-06-22 17:40:01 +02:00
target-xtensa disas: Remove uses of CPU env 2015-06-22 17:40:01 +02:00
tcg tcg/optimize: rename tcg_constant_folding 2015-06-09 07:00:56 -07:00
tests util/hbitmap: Add an API to reset all set bits in hbitmap 2015-06-23 15:06:16 +01:00
trace
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ui Include monitor/monitor.h exactly where needed 2015-06-22 18:20:41 +02:00
util util/hbitmap: Add an API to reset all set bits in hbitmap 2015-06-23 15:06:16 +01:00
.exrc
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.gitignore gitignore: Ignore more .pod files. 2015-04-04 09:45:59 +03:00
.gitmodules
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.mailmap
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.travis.yml
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CODING_STYLE
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COPYING
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COPYING.LIB
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Changelog
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HACKING
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LICENSE
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MAINTAINERS virtio, pci fixes, enhancements 2015-06-19 11:30:57 +01:00
Makefile qemu-ga: Building Windows MSI installation with configure/Makefile 2015-06-17 16:03:47 +02:00
Makefile.objs device-tree: Make a common-obj 2015-06-03 14:21:24 +03:00
Makefile.target migration: move savevm.c inside migration/ 2015-06-12 06:42:30 +02:00
README
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VERSION Open 2.4 development tree 2015-04-25 22:05:07 +01:00
accel.c
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aio-posix.c AioContext: acquire/release AioContext during aio_poll 2015-04-28 15:36:08 +02:00
aio-win32.c AioContext: acquire/release AioContext during aio_poll 2015-04-28 15:36:08 +02:00
arch_init.c migration: reduce include files 2015-06-12 06:42:34 +02:00
async.c Revert "iothread: release iothread around aio_poll" 2015-06-12 13:58:33 +01:00
balloon.c Include monitor/monitor.h exactly where needed 2015-06-22 18:20:41 +02:00
block.c block: Use bdrv_is_sg() everywhere 2015-06-23 15:08:52 +01:00
blockdev-nbd.c Include monitor/monitor.h exactly where needed 2015-06-22 18:20:41 +02:00
blockdev.c Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
blockjob.c Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
bootdevice.c misc: fix typos in copyright declaration 2015-03-26 14:21:43 +01:00
bt-host.c
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bt-vhci.c
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configure qemu-ga: Building Windows MSI installation with configure/Makefile 2015-06-17 16:03:47 +02:00
coroutine-gthread.c
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coroutine-sigaltstack.c
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coroutine-ucontext.c
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coroutine-win32.c
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cpu-exec.c
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cpus.c qerror: Move #include out of qerror.h 2015-06-22 18:20:40 +02:00
cputlb.c memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2015-06-05 17:10:00 +02:00
device-hotplug.c
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device_tree.c device-tree: Make a common-obj 2015-06-03 14:21:24 +03:00
disas.c disas: Remove uses of CPU env 2015-06-22 17:40:01 +02:00
dma-helpers.c range: remove useless inclusions 2015-04-30 16:05:48 +03:00
dump.c Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
exec.c exec: clamp accesses against the MemoryRegionSection 2015-06-19 12:27:14 +02:00
gdbstub.c semihosting: create SemihostingConfig structure and semihost.h 2015-06-19 14:17:45 +01:00
hmp-commands.hx qmp/hmp: add rocker device support 2015-06-12 13:42:17 +01:00
hmp.c Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
hmp.h qmp/hmp: add rocker device support 2015-06-12 13:42:17 +01:00
iohandler.c iohandler: Change return type of qemu_set_fd_handler to "void" 2015-06-12 13:26:21 +01:00
ioport.c - miscellaneous cleanups for TCG (Emilio) and NBD (Bogdan) 2015-04-30 12:04:11 +01:00
iothread.c qom: Add helper function for getting user objects root 2015-06-19 18:40:00 +02:00
kvm-all.c kvm: remove special handling of DIRTY_MEMORY_MIGRATION in the dirty log mask 2015-06-05 17:09:59 +02:00
kvm-stub.c
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main-loop.c Change qemu_set_fd_handler2(..., NULL, ...) to qemu_set_fd_handler 2015-06-12 13:26:21 +01:00
memory.c memory: use mr->ram_addr in "is this RAM?" assertions 2015-06-05 17:10:00 +02:00
memory_mapping.c
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module-common.c
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monitor.c Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
nbd.c qemu-nbd: only send a limited number of errno codes on the wire 2015-05-08 14:45:11 +02:00
numa.c Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
os-posix.c rcu: do not create thread in pthread_atfork callback 2015-04-01 10:06:38 +02:00
os-win32.c
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page_cache.c
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qapi-schema.json s390x/kvm/watchdog 2015-06-15 13:24:51 +01:00
qdev-monitor.c Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
qdict-test-data.txt
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qemu-bridge-helper.c
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qemu-char.c qerror: Move #include out of qerror.h 2015-06-22 18:20:40 +02:00
qemu-coroutine-io.c coroutine-io: Return -errno in case of error 2015-03-18 12:07:21 +01:00
qemu-coroutine-lock.c coroutine: remove unnecessary parentheses in qemu_co_queue_empty 2015-04-30 16:05:49 +03:00
qemu-coroutine-sleep.c
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qemu-coroutine.c
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qemu-doc.texi raw-posix: Deprecate host floppy passthrough 2015-03-19 11:43:02 +01:00
qemu-img-cmds.hx
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qemu-img.c Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
qemu-img.texi
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qemu-io-cmds.c qerror: Move #include out of qerror.h 2015-06-22 18:20:40 +02:00
qemu-io.c qerror: Move #include out of qerror.h 2015-06-22 18:20:40 +02:00
qemu-log.c
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qemu-nbd.c qerror: Move #include out of qerror.h 2015-06-22 18:20:40 +02:00
qemu-nbd.texi
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qemu-options-wrapper.h
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qemu-options.h
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qemu-options.hx QOM infrastructure fixes and device conversions 2015-06-22 12:50:30 +01:00
qemu-seccomp.c
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qemu-tech.texi
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qemu-timer.c qemu-timer: Call clock reset notifiers on forward jumps 2015-06-19 12:27:14 +02:00
qemu.nsi
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qemu.sasl
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qjson.c QJSON: Use OBJECT_CHECK 2015-05-11 08:59:07 -04:00
qmp-commands.hx qmp: Wean off qerror_report() 2015-06-22 18:20:40 +02:00
qmp.c Include monitor/monitor.h exactly where needed 2015-06-22 18:20:41 +02:00
qtest.c qtest: pre-buffer hex nibs 2015-05-22 15:58:22 -04:00
rules.mak rules.mak: Force CFLAGS for all objects in DSO 2015-05-08 14:45:11 +02:00
softmmu_template.h softmmu: Add probe_write() 2015-06-11 10:13:28 +01:00
spice-qemu-char.c spice: fix spice_chr_add_watch() pre-condition 2015-05-29 09:56:01 +02:00
tcg-runtime.c
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tci.c tcg: Mask TCGMemOp appropriately for indexing 2015-06-09 06:35:29 -07:00
thread-pool.c thread-pool: clean up thread_pool_completion_bh() 2015-04-28 15:36:09 +02:00
thunk.c linux-user: Allocate thunk size dynamically 2015-06-15 11:36:58 +03:00
tpm.c Include monitor/monitor.h exactly where needed 2015-06-22 18:20:41 +02:00
trace-events ossaudio: use trace events instead of debug config flag 2015-06-15 12:42:48 +02:00
translate-all.c translate-all: fix watchpoints if retranslation not possible 2015-06-17 12:40:52 +02:00
translate-all.h translate-all: remove unnecessary argument to tb_invalidate_phys_range 2015-06-05 17:09:59 +02:00
user-exec.c exec: move functions to translate-all.h 2015-06-05 17:09:59 +02:00
version.rc
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vl.c qerror: Move #include out of qerror.h 2015-06-22 18:20:40 +02:00
xen-common-stub.c
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xen-common.c
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xen-hvm-stub.c
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xen-hvm.c memory: prepare for multiple bits in the dirty log mask 2015-06-05 17:09:59 +02:00
xen-mapcache.c
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README 

Read the documentation in qemu-doc.html or on http://wiki.qemu-project.org

- QEMU team