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Stefan Hajnoczi d616b22474 block: add bdrv_add_before_write_notifier() 
The bdrv_add_before_write_notifier() function installs a callback that
is invoked before a write request is processed.  This will be used to
implement copy-on-write point-in-time snapshots where we need to copy
out old data before overwriting it.

Note that BdrvTrackedRequest is moved to block_int.h since it is passed
to .notify() functions.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-06-28 09:20:26 +02:00
audio
audio: Replace static functions in header file by macros, remove GCC_ATTR
2013-06-21 22:52:50 +04:00
backends
rng-random: use error_setg_file_open()
2013-06-17 11:01:14 -04:00
block
raw-posix: Fix /dev/cdrom magic on OS X
2013-06-28 09:20:26 +02:00
bsd-user
main: use TARGET_ARCH only for the target-specific #define
2013-06-14 15:33:11 +01:00
default-configs
NVMe: Initial commit for new storage interface
2013-06-17 17:47:59 +02:00
disas
tcg-arm: Implement division instructions
2013-04-27 02:16:44 +02:00
docs
rdma: add documentation
2013-06-27 02:38:35 +02:00
dtc @ bc895d6d09
dtc: add submodule
2013-04-18 13:50:53 +02:00
fpu
softfloat: Fix shift128Right for shift counts 64..127
2013-06-10 11:36:12 -05:00
fsdev
remove double semicolons
2013-05-12 13:25:55 +04:00
gdb-xml
…
hw
Merge remote-tracking branch 'pmaydell/arm-devs.for-upstream' into staging
2013-06-25 14:14:13 -05:00
include
block: add bdrv_add_before_write_notifier()
2013-06-28 09:20:26 +02:00
ldscripts
build: create ldscripts/
2012-12-19 08:29:06 +01:00
libcacard
libcacard: Fix cppcheck warning and remove unneeded code
2013-06-21 22:52:50 +04:00
linux-headers
linux-headers: Update to v3.10-rc5
2013-06-12 13:19:10 +04:00
linux-user
main: use TARGET_ARCH only for the target-specific #define
2013-06-14 15:33:11 +01:00
net
fix -net user checks by reordering checks
2013-06-19 12:44:38 +02:00
pc-bios
gtk: use better icon
2013-06-10 11:36:12 -05:00
pixman @ 97336fad32
qapi: move include files to include/qobject/
2012-12-19 08:31:31 +01:00
po
po/hu.po: Hungarian translation for the GTK+ interface
2013-06-03 08:39:11 -05:00
qapi
qapi: Fix unchecked strdup() by converting to g_strdup()
2013-01-30 11:14:46 +01:00
qga
qga: save state directory in ga_install_service()
2013-05-30 11:37:37 -05:00
QMP
correct RTC_CHANGE_EVENT description (v2)
2013-06-07 17:01:00 -04:00
qobject
json-parser: fix handling of large whole number values
2013-05-23 09:44:20 -04:00
qom
cpu: Change default for CPUClass::get_paging_enabled()
2013-06-11 18:18:34 +02:00
roms
update seabios to release 1.7.2.2
2013-05-28 12:19:02 +02:00
scripts
main: use TARGET_ARCH only for the target-specific #define
2013-06-14 15:33:11 +01:00
slirp
make user networking hostfwd work with restrict=y
2013-06-19 12:44:38 +02:00
stubs
dump: Drop qmp_dump_guest_memory() stub and build for all targets
2013-06-11 18:16:36 +02:00
sysconfigs/target
Eliminate cpus-x86_64.conf file
2012-09-21 15:12:58 +02:00
target-alpha
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
2013-03-12 10:35:55 +01:00
target-arm
target-arm: Make LPAE feature imply V7MP
2013-06-25 18:16:10 +01:00
target-cris
target-cris: Override do_interrupt for pre-v32 CPU cores
2013-04-16 02:45:11 +02:00
target-i386
target-i386: fix over 80 chars warnings
2013-06-15 17:50:38 +00:00
target-lm32
hw: move headers to include/
2013-04-08 18:13:10 +02:00
target-m68k
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
2013-03-12 10:35:55 +01:00
target-microblaze
microblaze: Add internal base vectors reg
2013-04-26 11:28:50 +02:00
target-mips
linux-user: Save the correct resume address for MIPS signal handling
2013-05-20 18:16:17 +02:00
target-moxie
target-moxie: replace target_phys_addr_t with hwaddr
2013-05-18 16:35:12 +04:00
target-openrisc
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
2013-03-12 10:35:55 +01:00
target-ppc
KVM: PPC: Add dummy kvm_arch_init_irq_routing()
2013-06-12 13:19:10 +04:00
target-s390x
virtio-ccw: Wire up ioeventfd.
2013-06-25 17:11:11 +02:00
target-sh4
hw: move headers to include/
2013-04-08 18:13:10 +02:00
target-sparc
memory: make section size a 128-bit integer
2013-06-20 16:32:47 +02:00
target-unicore32
Remove unnecessary break statements
2013-06-01 14:25:38 +04:00
target-xtensa
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
2013-03-12 10:35:55 +01:00
tcg
tcg-ppc64: rotr_i32 rotates wrong amount
2013-06-17 10:42:16 -07:00
tests
Revert "block: Disable driver-specific options for 1.5"
2013-06-24 10:25:16 +02:00
trace
trace: Add ftrace tracing backend
2013-05-03 13:58:09 +02:00
ui
Merge remote-tracking branch 'spice/spice.v71' into staging
2013-06-24 14:33:09 -05:00
util
notify: add NotiferWithReturn so notifier list can abort
2013-06-28 09:20:26 +02:00
.exrc
…
.gitignore
gitignore: unignore *.patch
2013-06-11 23:45:43 +04:00
.gitmodules
dtc: add submodule
2013-04-18 13:50:53 +02:00
.mailmap
…
aio-posix.c
aio: support G_IO_HUP and G_IO_ERR
2013-02-21 16:17:31 -06:00
aio-win32.c
aio: Fix return value of aio_poll()
2013-01-17 10:51:42 +01:00
arch_init.c
rdma: introduce qemu_update_position()
2013-06-27 02:38:35 +02:00
async.c
aio: add a ThreadPool instance to AioContext
2013-03-15 16:07:50 +01:00
balloon.c
softmmu: move include files to include/sysemu/
2012-12-19 08:32:45 +01:00
block-migration.c
migration: run setup callbacks out of big lock
2013-03-11 13:32:01 +01:00
block.c
block: add bdrv_add_before_write_notifier()
2013-06-28 09:20:26 +02:00
blockdev-nbd.c
hw: move headers to include/
2013-04-08 18:13:10 +02:00
blockdev.c
Revert "block: Disable driver-specific options for 1.5"
2013-06-24 10:25:16 +02:00
blockjob.c
misc: move include files to include/qemu/
2012-12-19 08:32:39 +01:00
bt-host.c
sysemu: avoid proliferation of include/ subdirectories
2013-04-15 18:19:25 +02:00
bt-vhci.c
sysemu: avoid proliferation of include/ subdirectories
2013-04-15 18:19:25 +02:00
Changelog
…
CODING_STYLE
…
configure
configure: Add signed*signed check to [u]int128_t test
2013-06-21 22:54:24 +04:00
COPYING
…
COPYING.LIB
…
coroutine-gthread.c
block: move include files to include/block/
2012-12-19 08:31:31 +01:00
coroutine-sigaltstack.c
Merge remote-tracking branch 'kwolf/for-anthony' into staging
2013-02-26 07:44:39 -06:00
coroutine-ucontext.c
Fix warnings suppressors to honor --disable-werror
2013-04-17 10:28:04 -05:00
coroutine-win32.c
block: move include files to include/block/
2012-12-19 08:31:31 +01:00
cpu-exec.c
target-i386/helper: remove DF macro
2013-06-15 17:50:21 +00:00
cpus.c
cpus: use error_setg_file_open()
2013-06-17 11:01:14 -04:00
cputlb.c
exec: Resolve subpages in one step except for IOTLB fills
2013-06-20 16:32:46 +02:00
device_tree.c
device tree: Fix cppcheck warning
2013-06-11 23:45:44 +04:00
device-hotplug.c
hw: move device-hotplug.o to toplevel, compile it once
2013-03-01 13:57:13 +01:00
disas.c
disas: Disassemble all ppc insns for the guest
2013-04-26 23:02:42 +02:00
dma-helpers.c
dma: eliminate DMAContext
2013-06-20 16:39:52 +02:00
dump.c
dump: qmp_dump_guest_memory(): use error_setg_file_open()
2013-06-17 11:01:14 -04:00
exec.c
linux-user: Fix compilation failure
2013-06-27 15:38:35 -05:00
gdbstub.c
gdbstub: let the debugger resume from guest panicked state
2013-06-10 11:36:11 -05:00
HACKING
osdep, kvm: rename low-level RAM allocation functions
2013-05-14 08:53:31 -05:00
hmp-commands.hx
dump: Drop qmp_dump_guest_memory() stub and build for all targets
2013-06-11 18:16:36 +02:00
hmp.c
rdma: export throughput w/ MigrationStats QMP
2013-06-27 02:38:36 +02:00
hmp.h
Make qemu-io commands available in HMP
2013-06-06 11:27:05 +02:00
iohandler.c
iohandler: switch to GPollFD
2013-02-21 16:17:31 -06:00
ioport.c
exec: move include files to include/exec/
2012-12-19 08:31:31 +01:00
kvm-all.c
memory: make section size a 128-bit integer
2013-06-20 16:32:47 +02:00
kvm-stub.c
kvm: add kvm_readonly_mem_enabled
2013-05-29 08:15:35 -05:00
LICENSE
…
main-loop.c
main-loop: do not include slirp/slirp.h, use libslirp.h instead
2013-06-12 18:43:08 +04:00
MAINTAINERS
NVMe: Initial commit for new storage interface
2013-06-17 17:47:59 +02:00
Makefile
Makefile: pass include directives to dtc via CPPFLAGS, not CFLAGS
2013-06-21 22:52:50 +04:00
Makefile.objs
Make qemu-io commands available in HMP
2013-06-06 11:27:05 +02:00
Makefile.target
build: do not use TARGET_ARCH
2013-06-14 15:33:10 +01:00
memory_mapping.c
memory_mapping: Improve qemu_get_guest_memory_mapping() error reporting
2013-06-11 19:38:13 +02:00
memory.c
memory: render_memory_region: factor out fr constant setters
2013-06-20 16:39:52 +02:00
migration-exec.c
migration: eliminate s->migration_file
2013-03-11 13:32:03 +01:00
migration-fd.c
migration: eliminate s->migration_file
2013-03-11 13:32:03 +01:00
migration-tcp.c
migration: eliminate s->migration_file
2013-03-11 13:32:03 +01:00
migration-unix.c
migration: eliminate s->migration_file
2013-03-11 13:32:03 +01:00
migration.c
rdma: introduce capability x-rdma-pin-all
2013-06-27 02:38:36 +02:00
monitor.c
monitor: Simplify do_inject_mce() with qemu_get_cpu()
2013-06-11 00:09:48 +02:00
nbd.c
nbd: support large NBD requests
2013-05-03 13:05:49 +02:00
os-posix.c
Add option to mlock qemu and guest memory
2013-04-22 08:52:23 -05:00
os-win32.c
qemu-timer: move timeBeginPeriod/timeEndPeriod to os-win32
2013-04-12 18:27:16 +02:00
page_cache.c
remove some double-includes
2013-05-18 16:35:12 +04:00
qapi-schema-test.json
qapi: add native list coverage for QMP output visitor tests
2013-05-23 09:44:21 -04:00
qapi-schema.json
rdma: introduce capability x-rdma-pin-all
2013-06-27 02:38:36 +02:00
qdev-monitor.c
qdev: Let qdev_prop_parse() pass through Error
2013-05-06 19:40:44 +02:00
qdict-test-data.txt
…
qemu-bridge-helper.c
qemu-bridge-helper: force usage of a very high MAC address for the bridge
2013-03-28 12:58:52 -05:00
qemu-char.c
qemu-char: use bool in qemu_chr_open_socket and simplify code a bit
2013-06-21 22:52:50 +04:00
qemu-coroutine-io.c
rdma: export yield_until_fd_readable()
2013-06-27 02:38:36 +02:00
qemu-coroutine-lock.c
coroutine: stop using AioContext in CoQueue
2013-05-24 16:17:56 +02:00
qemu-coroutine-sleep.c
misc: move include files to include/qemu/
2012-12-19 08:32:39 +01:00
qemu-coroutine.c
coroutine: stop using AioContext in CoQueue
2013-05-24 16:17:56 +02:00
qemu-doc.texi
Remove Sun4c, Sun4d and a few CPUs
2013-05-26 11:37:58 +00:00
qemu-img-cmds.hx
qemu-img: Add compare subcommand
2013-02-22 21:21:10 +01:00
qemu-img.c
qemu-img: Add missing GCC_FMT_ATTR
2013-06-21 22:52:50 +04:00
qemu-img.texi
qemu-img: Add compare subcommand
2013-02-22 21:21:10 +01:00
qemu-io-cmds.c
qemu-io: Interface cleanup
2013-06-06 11:27:05 +02:00
qemu-io.c
qemu-io: Use the qemu version for -V
2013-06-06 11:27:05 +02:00
qemu-log.c
qemu-log: default to stderr for logging output
2013-02-26 13:31:47 -06:00
qemu-nbd.c
Add -f FMT / --format FMT arg to qemu-nbd
2013-04-15 14:29:20 -05:00
qemu-nbd.texi
Add -f FMT / --format FMT arg to qemu-nbd
2013-04-15 14:29:20 -05:00
qemu-options-wrapper.h
…
qemu-options.h
…
qemu-options.hx
Merge remote-tracking branch 'spice/spice.v71' into staging
2013-06-24 14:33:09 -05:00
qemu-seccomp.c
seccomp: add the asynchronous I/O syscalls to the whitelist
2013-05-30 11:46:07 -05:00
qemu-tech.texi
qemu-tech.texi: update implemented xtensa features list
2012-11-29 13:00:52 -06:00
qemu-timer.c
qemu-timer: move timeBeginPeriod/timeEndPeriod to os-win32
2013-04-12 18:27:16 +02:00
qemu.sasl
…
qmp-commands.hx
qmp: add ImageInfo in BlockDeviceInfo used by query-block
2013-06-07 13:37:45 +02:00
qmp.c
QMP: Add cpu-add command
2013-05-01 13:06:07 +02:00
qtest.c
qtest: Handle addresses and values for {in, out}[bwl] as unsigned
2013-04-22 09:11:50 -05:00
readline.c
readline: Handle xterm escape sequences for Home/End keys
2013-05-14 08:53:22 -05:00
README
…
rules.mak
win32: fix compilation again
2013-05-03 12:04:40 -05:00
savevm.c
rdma: new QEMUFileOps hooks
2013-06-27 02:38:36 +02:00
spice-qemu-char.c
qemu-char: don't issue CHR_EVENT_OPEN in a BH
2013-06-10 11:38:37 -05:00
tcg-runtime.c
tcg: Implement multiword multiply helpers
2013-02-23 17:25:28 +00:00
tci.c
tci: Make tcg temporaries local to tcg_qemu_tb_exec
2013-04-11 19:58:21 +02:00
thread-pool.c
threadpool: drop global thread pool
2013-03-15 16:07:51 +01:00
thunk.c
exec: move include files to include/exec/
2012-12-19 08:31:31 +01:00
tpm.c
Move TPM passthrough specific command line options to backend structure
2013-04-23 10:40:40 -05:00
trace-events
Merge remote-tracking branch 'bonzini/iommu-for-anthony' into staging
2013-05-24 13:47:42 -05:00
translate-all.c
exec: return MemoryRegion from address_space_translate
2013-06-20 16:32:46 +02:00
translate-all.h
cputlb: Pass CPUState to cpu_unlink_tb()
2013-02-16 14:51:00 +01:00
user-exec.c
user-exec.c: aarch64 initial implementation of cpu_signal_handler
2013-06-12 16:20:23 +01:00
VERSION
Open up 1.6 development
2013-05-20 10:55:18 -05:00
version.rc
…
vl.c
vl: reformat SDL ifdeffery a bit
2013-06-21 22:52:49 +04:00
xbzrle.c
Move XBZRLE encoding code to a separate file to allow testing
2013-02-01 08:32:20 +01:00
xen-all.c
Revert "xen: start PCI hole at 0xe0000000 (same as pc_init1 and qemu-xen-traditional)"
2013-06-25 11:59:42 +00:00
xen-mapcache.c
hw: move headers to include/
2013-04-08 18:13:10 +02:00
xen-stub.c
Allow use of pc machine type (accel=xen) for Xen HVM domains.
2013-06-25 12:00:48 +00:00

README 

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

- QEMU team
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