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Kevin Wolf ecbda7a225 qcow2: Flush pending discards before allocating cluster 
Before a freed cluster can be reused, pending discards for this cluster
must be processed.

The original assumption was that this was not a problem because discards
are only cached during discard/write zeroes operations, which are
synchronous so that no concurrent write requests can cause cluster
allocations.

However, the discard/write zeroes operation itself can allocate a new L2
table (and it has to in order to put zero flags there), so make sure we
can cope with the situation.

This fixes https://bugs.launchpad.net/bugs/1349972.

Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-05-22 17:08:00 +02:00
audio
audio: Don't free hw resources until after hw backend is stopped
2014-12-22 23:12:25 +00:00
backends
Remove various unused functions
2015-05-08 14:11:10 +03:00
block
qcow2: Flush pending discards before allocating cluster
2015-05-22 17:08:00 +02:00
bsd-user
linux-user, bsd-user: Remove two calls to cpu_exec_init_all
2015-04-27 18:24:17 +02:00
default-configs
arm: Introduce Xilinx ZynqMP SoC
2015-05-18 16:41:09 +01:00
disas
cris: remove unused cris_cond15 declarations
2015-03-19 11:11:55 +03:00
docs
qapi: Turn generators' mandatory option -i into an argument
2015-05-14 18:41:23 +02:00
dtc @ bc895d6d09
dtc: add submodule
2013-04-18 13:50:53 +02:00
fpu
softfloat: expand out STATUS macro
2015-02-06 16:11:38 +00:00
fsdev
Fix typos in comments
2015-03-19 11:30:37 +03:00
gdb-xml
s390x/gdb: add the feature xml files for s390x
2014-09-01 09:45:19 +02:00
hw
Merge remote-tracking branch 'remotes/kraxel/tags/pull-serial-20150519-1' into staging
2015-05-19 14:10:33 +01:00
include
block: minimal bounce buffer alignment
2015-05-22 09:37:33 +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
libdecnumber: Fix warnings from smatch (missing static, boolean operations)
2014-08-24 13:21:06 +04:00
linux-headers
linux-headers: update
2015-04-30 13:21:42 +02:00
linux-user
linux-user/arm: Correct TARGET_NR_timerfd to TARGET_NR_timerfd_create
2015-05-18 17:45:10 +01:00
migration
migration: Add qmp commands to set and query parameters
2015-05-07 18:31:53 +02:00
net
net: add MAC address string printer
2015-05-11 14:49:03 +01:00
pc-bios
Makefile.target: set icon for binary file on Mac OS X
2015-05-19 09:11:17 +01:00
pixman @ 87eea99e44
pixman: update internal copy to pixman-0.32.6
2014-09-15 08:14:19 +02:00
po
po: fix conflict with %.mo rule in rules.mak
2014-09-26 13:35:08 +02:00
qapi
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
2015-05-11 16:25:33 +01:00
qga
qapi: Use 'struct' instead of 'type' in schema
2015-05-05 18:39:01 +02:00
qobject
json-parser: Accept 'null' in QMP
2015-05-11 08:59:07 -04:00
qom
qom: Add can_be_deleted callback to UserCreatableClass
2015-04-01 10:06:38 +02:00
roms
pseries: Update SLOF firmware image to qemu-slof-20150313
2015-03-25 22:49:45 +01:00
scripts
qapi: Inline gen_command_decl_prologue(), gen_command_def_prologue()
2015-05-14 18:41:33 +02:00
slirp
slirp: udp: fix NULL pointer dereference because of uninitialized socket
2014-09-23 19:15:05 +01:00
stubs
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
2015-03-09 09:14:28 +00:00
sysconfigs/target
…
target-alpha
Revert "target-alpha: Add vector implementation for CMPBGE"
2015-05-22 12:30:13 +01:00
target-arm
target-arm: Remove unneeded '+'
2015-05-18 20:04:19 +01:00
target-cris
cris: remove unused cris_cond15 declarations
2015-03-19 11:11:55 +03:00
target-i386
kvm: add support for memory transaction attributes
2015-04-30 16:55:32 +02:00
target-lm32
tcg: Change translator-side labels to a pointer
2015-03-13 12:28:18 -07:00
target-m68k
tcg: Change translator-side labels to a pointer
2015-03-13 12:28:18 -07:00
target-microblaze
microblaze: cpu: delete unused cpu_interrupts_enabled
2015-04-30 16:05:48 +03:00
target-mips
kvm: add support for memory transaction attributes
2015-04-30 16:55:32 +02:00
target-moxie
target-moxie: Fix warnings from Sparse (one-bit signed bitfield)
2015-03-19 11:11:55 +03:00
target-openrisc
openrisc: cpu: Remove unused cpu_get_pc
2015-04-30 16:06:18 +03:00
target-ppc
kvm: add support for memory transaction attributes
2015-04-30 16:55:32 +02:00
target-s390x
s390x: Add interlocked access facility 1 instructions
2015-05-13 14:48:54 +02:00
target-sh4
tcg: Change translator-side labels to a pointer
2015-03-13 12:28:18 -07:00
target-sparc
tcg: Change translator-side labels to a pointer
2015-03-13 12:28:18 -07:00
target-tricore
target-tricore: fix rfe not restoring the PC
2015-05-11 14:25:49 +02:00
target-unicore32
tcg: Change translator-side labels to a pointer
2015-03-13 12:28:18 -07:00
target-xtensa
tcg: Change translator-side labels to a pointer
2015-03-13 12:28:18 -07:00
tcg
tcg: Add MO_ALIGN, MO_UNALN
2015-05-14 12:15:18 -07:00
tests
qemu-iotests: Test unaligned sub-block zero write
2015-05-22 09:37:33 +01:00
trace
Remove superfluous '\n' around error_report()
2015-03-10 08:15:33 +03:00
ui
vnc: Tweak error when init fails
2015-05-20 10:23:08 +02:00
util
qemu-sockets: Report explicit error if unlink fails
2015-05-20 10:23:08 +02:00
.exrc
…
.gitignore
gitignore: Ignore more .pod files.
2015-04-04 09:45:59 +03:00
.gitmodules
PPC: Add u-boot firmware for e500
2014-06-16 13:24:35 +02:00
.mailmap
Update mailmap
2013-09-05 09:40:31 -05:00
.travis.yml
.travis.yml: Add "--enable-modules"
2015-01-26 12:27:05 +01:00
accel.c
accel: Create accel object when initializing machine
2014-10-09 15:36:14 +02:00
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: Fix migration state update issue
2015-05-07 18:31:54 +02:00
async.c
iothread: release iothread around aio_poll
2015-04-28 15:36:08 +02:00
balloon.c
balloon: improve error msg when adding second device
2015-04-24 14:18:05 -04:00
block.c
block: align bounce buffers to page
2015-05-22 09:37:33 +01:00
blockdev-nbd.c
nbd: Fix up comment after commit e140177
2015-03-25 13:38:07 +01:00
blockdev.c
block: Ensure consistent bitmap function prototypes
2015-04-28 15:36:10 +02:00
blockjob.c
blockjob: Allow nested pause
2015-04-28 15:36:09 +02:00
bootdevice.c
misc: fix typos in copyright declaration
2015-03-26 14:21:43 +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
Use qemu-project.org domain name
2013-10-11 09:34:56 -07:00
CODING_STYLE
CODING_STYLE: Section about conditional statement
2014-08-15 18:54:06 +04:00
configure
configure: Add workaround for ccache and clang
2015-05-22 09:37:33 +01:00
COPYING
…
COPYING.LIB
…
coroutine-gthread.c
glib-compat.h: add new thread API emulation on top of pre-2.31 API
2014-06-10 07:44:01 +02:00
coroutine-sigaltstack.c
coroutine-sigaltstack: Change jmp_buf to sigjmp_buf
2014-11-11 11:07:55 +03:00
coroutine-ucontext.c
coroutine-ucontext: use __thread
2015-01-13 13:43:28 +00:00
coroutine-win32.c
coroutine-win32.c: Add noinline attribute to work around gcc bug
2014-06-26 14:08:14 +01:00
cpu-exec.c
Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
2015-02-24 13:58:18 +00:00
cpus.c
qmp: Add qom_path field to query-cpus command
2015-05-14 17:25:46 +02:00
cputlb.c
Add MemTxAttrs to the IOTLB
2015-04-26 16:49:24 +01:00
device_tree.c
machine: query phandle-start machine property
2015-03-11 18:17:11 +01:00
device-hotplug.c
pci-hotplug-old: Has been dead for five major releases, bury
2015-03-01 12:37:54 +01:00
disas.c
monitor: QEMU Monitor Instruction Disassembly Incorrect for PowerPC LE Mode
2014-06-16 13:24:26 +02:00
dma-helpers.c
range: remove useless inclusions
2015-04-30 16:05:48 +03:00
dump.c
dump: Fix dump-guest-memory termination and use-after-close
2014-11-02 10:04:34 +03:00
exec.c
exec: move rcu_read_lock/unlock to address_space_translate callers
2015-04-30 16:55:32 +02:00
gdbstub.c
gdbstub: avoid possible NULL pointer dereference
2015-03-10 08:15:34 +03:00
HACKING
HACKING: Document vaddr type usage
2013-07-23 02:41:31 +02:00
hmp-commands.hx
migration: Add hmp interface to set and query parameters
2015-05-07 18:31:54 +02:00
hmp.c
migration: Add hmp interface to set and query parameters
2015-05-07 18:31:54 +02:00
hmp.h
migration: Add hmp interface to set and query parameters
2015-05-07 18:31:54 +02:00
iohandler.c
iohandler.c: Properly initialize sigaction struct
2014-05-24 00:07:29 +04:00
ioport.c
Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
2015-04-30 12:04:11 +01:00
iothread.c
Remove various unused functions
2015-05-08 14:11:10 +03:00
kvm-all.c
kvm: add support for memory transaction attributes
2015-04-30 16:55:32 +02:00
kvm-stub.c
pc: kvm: check if KVM has free memory slots to avoid abort()
2014-11-23 12:11:29 +02:00
LICENSE
vfio: move hw/misc/vfio.c to hw/vfio/pci.c Move vfio.h into include/hw/vfio
2014-12-19 15:24:06 -07:00
main-loop.c
Revert "main-loop.c: Handle SIGINT, SIGHUP and SIGTERM synchronously"
2014-10-27 15:05:09 +00:00
MAINTAINERS
Merge remote-tracking branch 'remotes/stefanha/tags/net-pull-request' into staging
2015-05-12 10:40:31 +01:00
Makefile
qapi: Turn generators' mandatory option -i into an argument
2015-05-14 18:41:23 +02:00
Makefile.objs
QJSON: Add JSON writer
2015-02-05 17:16:14 +01:00
Makefile.target
Makefile.target: set icon for binary file on Mac OS X
2015-05-19 09:11:17 +01:00
memory_mapping.c
Add skip_dump flag to ignore memory region during dump
2014-10-31 11:29:01 +01:00
memory.c
mtree: also print disabled regions
2015-04-30 16:55:16 +02:00
module-common.c
module: implement module loading
2014-02-20 13:14:18 +01:00
monitor.c
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
2015-05-11 16:25:33 +01:00
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
numa: Print warning if no node is assigned to a CPU
2015-03-19 16:20:15 -03:00
os-posix.c
rcu: do not create thread in pthread_atfork callback
2015-04-01 10:06:38 +02:00
os-win32.c
pidfile: stop making pidfile error a special case
2014-11-02 10:04:34 +03:00
page_cache.c
xbzrle: rebuild the cache_is_cached function
2015-01-15 17:49:43 +05:30
qapi-schema.json
qmp: Add qom_path field to query-cpus command
2015-05-14 17:25:46 +02:00
qdev-monitor.c
qom: Implement info qom-tree HMP command
2015-03-17 14:31:21 +01:00
qdict-test-data.txt
…
qemu-bridge-helper.c
qemu-bridge-helper: Fix fd leak in main()
2014-06-27 10:39:10 +02:00
qemu-char.c
qemu-char: remove unused list node from FDCharDriver
2015-04-30 16:05:49 +03:00
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
coroutine: Drop co_sleep_ns
2014-08-29 10:46:58 +01:00
qemu-coroutine.c
coroutine: Clean up qemu_coroutine_enter()
2015-03-09 11:11:59 +01:00
qemu-doc.texi
raw-posix: Deprecate host floppy passthrough
2015-03-19 11:43:02 +01:00
qemu-img-cmds.hx
qemu-img: Add progress output for amend
2014-11-03 11:41:48 +00:00
qemu-img.c
qemu-img convert: Rewrite copying logic
2015-04-28 15:36:09 +02:00
qemu-img.texi
qemu-img: Add progress output for amend
2014-11-03 11:41:48 +00:00
qemu-io-cmds.c
qemu-io: Use BlockBackend
2015-02-16 15:07:19 +00:00
qemu-io.c
Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2015-02-18' into staging
2015-02-26 07:01:08 +00:00
qemu-log.c
qemu-log: Correct help text of 'log cpu_reset'
2015-02-10 09:27:20 +03:00
qemu-nbd.c
nbd: Set block size to BDRV_SECTOR_SIZE
2015-03-18 12:07:01 +01:00
qemu-nbd.texi
nbd: Miscellaneous typo fixes.
2014-05-24 00:07:29 +04:00
qemu-options-wrapper.h
…
qemu-options.h
…
qemu-options.hx
qemu-options: trivial spelling fix (messsage)
2015-04-30 16:05:48 +03:00
qemu-seccomp.c
seccomp: add mlockall to whitelist
2015-01-23 14:07:08 +01:00
qemu-tech.texi
…
qemu-timer.c
qemu-timer.c: Trim list of included headers
2015-01-26 18:15:54 +00:00
qemu.nsi
nsis: Improved support for parallel installation of 32 and 64 bit code
2013-11-07 07:02:44 +01:00
qemu.sasl
sasl: Avoid 'Could not find keytab file' in syslog
2014-03-15 13:54:18 +04:00
qjson.c
QJSON: Use OBJECT_CHECK
2015-05-11 08:59:07 -04:00
qmp-commands.hx
qmp: Add qom_path field to query-cpus command
2015-05-14 17:25:46 +02:00
qmp.c
qapi: Drop inline nested struct in query-version
2015-05-05 18:39:02 +02:00
qtest.c
qtest: Use qemu_opt_set() instead of qemu_opts_parse()
2015-02-26 14:52:13 +01:00
README
Use qemu-project.org domain name
2013-10-11 09:34:56 -07:00
rules.mak
rules.mak: Force CFLAGS for all objects in DSO
2015-05-08 14:45:11 +02:00
savevm.c
error: Replace error_report() & error_free() with error_report_err()
2015-03-19 11:11:55 +03:00
softmmu_template.h
tcg: Add MO_ALIGN, MO_UNALN
2015-05-14 12:15:18 -07:00
spice-qemu-char.c
spice: Add missing 'static' attribute
2015-02-10 10:26:05 +03:00
tcg-runtime.c
tcg: Push tcg-runtime routines into exec/helper-*
2014-05-28 09:33:54 -07:00
tci.c
tcg: Push merged memop+mmu_idx parameter to softmmu routines
2015-05-14 12:15:14 -07:00
thread-pool.c
thread-pool: clean up thread_pool_completion_bh()
2015-04-28 15:36:09 +02:00
thunk.c
…
tpm.c
tpm: Remove superfluous '\n' around error_report()
2015-03-10 08:15:33 +03:00
trace-events
qmp-event: add event notification for memory hot unplug error
2015-04-27 21:09:07 +02:00
translate-all.c
exec: move rcu_read_lock/unlock to address_space_translate callers
2015-04-30 16:55:32 +02:00
translate-all.h
translate-all: Change tb_check_watchpoint() argument to CPUState
2014-03-13 19:20:48 +01:00
user-exec.c
user-exec.c: fix build on NetBSD/sparc64 and NetBSD/arm
2015-03-13 15:57:00 +00:00
VERSION
Open 2.4 development tree
2015-04-25 22:05:07 +01:00
version.rc
Use qemu-project.org domain name
2013-10-11 09:34:56 -07:00
vl.c
sdl2: add support for display rendering using opengl.
2015-05-05 10:48:26 +02:00
xen-common-stub.c
accel: Move Xen registration code to xen-common.c
2014-10-04 08:59:15 +02:00
xen-common.c
accel: Pass MachineState object to accel init functions
2014-10-09 12:57:10 +02:00
xen-hvm-stub.c
xen: Remove xen_cmos_set_s3_resume()
2015-03-10 08:15:33 +03:00
xen-hvm.c
Xen: Use the ioreq-server API when available
2015-01-20 14:24:10 +00:00
xen-mapcache.c
xen: add a lock for the mapcache
2015-01-20 14:24:17 +00:00

README 

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

- QEMU team
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