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Stefan Hajnoczi 61007b316c block: move I/O request processing to block/io.c 
The block.c file has grown to over 6000 lines.  It is time to split this
file so there are fewer conflicts and the code is easier to maintain.

Extract I/O request processing code:
 * Read
 * Write
 * Zero writes and making the image empty
 * Flush
 * Discard
 * ioctl
 * Tracked requests and queuing
 * Throttling and copy-on-read
 * Block status and allocated functions
 * Refreshing block limits
 * Reading/writing vmstate
 * qemu_blockalign() and friends

The patch simply moves code from block.c into block/io.c.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-04-28 15:36:17 +02:00
audio
audio: Don't free hw resources until after hw backend is stopped
2014-12-22 23:12:25 +00:00
backends
hostmem: Prevent removing an in-use memory backend
2015-04-01 10:06:38 +02:00
block
block: move I/O request processing to block/io.c
2015-04-28 15:36:17 +02:00
bsd-user
cpu: Make cpu_init() return QOM CPUState object
2015-03-10 17:33:51 +01:00
default-configs
hw/usb: Include USB files only if necessary
2015-03-18 11:50:47 +01:00
disas
cris: remove unused cris_cond15 declarations
2015-03-19 11:11:55 +03:00
docs
docs: incremental backup documentation
2015-04-28 15:36:10 +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
m25p80: fix s->blk usage before assignment
2015-04-28 15:36:09 +02:00
include
block: extract bdrv_setup_io_funcs()
2015-04-28 15:36:17 +02:00
libcacard
libcacard: stop linking against every single 3rd party library
2015-02-10 09:27:20 +03:00
libdecnumber
libdecnumber: Fix warnings from smatch (missing static, boolean operations)
2014-08-24 13:21:06 +04:00
linux-headers
synchronize Linux headers to 4.0-rc3
2015-03-10 09:26:22 +01:00
linux-user
rcu: do not create thread in pthread_atfork callback
2015-04-01 10:06:38 +02:00
migration
block: Ensure consistent bitmap function prototypes
2015-04-28 15:36:10 +02:00
net
net: synchronize net_host_device_remove with host_net_remove_completion
2015-03-12 19:59:39 +00:00
pc-bios
pseries: Update SLOF firmware image to qemu-slof-20150313
2015-03-25 22:49:45 +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
qmp: Add dirty bitmap status field in query-block
2015-04-28 15:36:10 +02:00
qga
qga: fitering out -fstack-protector-strong
2015-04-02 15:57:27 +02:00
qobject
qjson: Drop trailing space for pretty formatting
2014-12-10 10:25:30 +01:00
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
iotests: add QMP event waiting queue
2015-04-28 15:36:11 +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
Eliminate cpus-x86_64.conf file
2012-09-21 15:12:58 +02:00
target-alpha
tcg: Change translator-side labels to a pointer
2015-03-13 12:28:18 -07:00
target-arm
Allow ARMv8 SCR.SMD updates
2015-04-26 16:49:26 +01:00
target-cris
cris: remove unused cris_cond15 declarations
2015-03-19 11:11:55 +03:00
target-i386
Merge remote-tracking branch 'remotes/ehabkost/tags/x86-pull-request' into staging
2015-04-28 12:22:20 +01:00
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
tcg: Change translator-side labels to a pointer
2015-03-13 12:28:18 -07:00
target-mips
Merge remote-tracking branch 'remotes/mjt/tags/pull-trivial-patches-2015-03-19' into staging
2015-03-19 14:10:20 +00:00
target-moxie
target-moxie: Fix warnings from Sparse (one-bit signed bitfield)
2015-03-19 11:11:55 +03:00
target-openrisc
tcg: Change translator-side labels to a pointer
2015-03-13 12:28:18 -07:00
target-ppc
Convert (ffs(val) - 1) to ctz32(val)
2015-04-28 15:36:08 +02:00
target-s390x
Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20150316' into staging
2015-03-16 11:44:55 +00:00
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 check which was always false
2015-04-04 09:45:59 +03:00
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/tcg-op.c: Fix ld/st of 64 bit values on 32-bit bigendian hosts
2015-04-09 10:51:10 +01:00
tests
iotests: add incremental backup granularity tests
2015-04-28 15:36:11 +02:00
trace
Remove superfluous '\n' around error_report()
2015-03-10 08:15:33 +03:00
ui
Merge remote-tracking branch 'remotes/spice/tags/pull-spice-20150427-1' into staging
2015-04-27 20:00:57 +01:00
util
block: Resize bitmaps on bdrv_truncate
2015-04-28 15:36:10 +02:00
.exrc
qemu: add .exrc
2012-09-07 09:02:44 +03:00
.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: remove last_sent_block from save_page_header
2015-03-26 15:31:46 +01:00
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: move I/O request processing to block/io.c
2015-04-28 15:36:17 +02:00
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
Revert seccomp tests that allow it to be used on non-x86 architectures
2015-04-13 12:28:48 +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
cpus: Don't kick un-realized cpus.
2015-03-25 13:38:07 +01:00
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
exec.c: Make address_space_rw take transaction attributes
2015-04-26 16:49:24 +01:00
dump.c
dump: Fix dump-guest-memory termination and use-after-close
2014-11-02 10:04:34 +03:00
exec.c
exec.c: Capture the memory attributes for a watchpoint hit
2015-04-26 16:49:24 +01:00
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
monitor: Make client_migrate_info synchronous
2015-04-27 12:46:57 +02:00
hmp.c
qmp: Add support of "dirty-bitmap" sync mode for drive-backup
2015-04-28 15:36:10 +02:00
hmp.h
qom: Implement qom-set HMP command
2015-03-17 14:31:15 +01:00
iohandler.c
iohandler.c: Properly initialize sigaction struct
2014-05-24 00:07:29 +04:00
ioport.c
exec.c: Make address_space_rw take transaction attributes
2015-04-26 16:49:24 +01:00
iothread.c
iothread: release iothread around aio_poll
2015-04-28 15:36:08 +02:00
kvm-all.c
Convert ffs() != 0 callers to ctz32()
2015-04-28 15:36:08 +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
MAINTAINERS: Add Fam Zheng as Null block driver maintainer
2015-04-28 15:36:09 +02:00
Makefile
Use $(MAKE) for recursive make
2015-04-02 15:58:39 +02:00
Makefile.objs
QJSON: Add JSON writer
2015-02-05 17:16:14 +01:00
Makefile.target
Makefile.target: binary depends on config-devices
2015-03-01 19:41:50 +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
memory: Replace io_mem_read/write with memory_region_dispatch_read/write
2015-04-26 16:49:23 +01:00
module-common.c
module: implement module loading
2014-02-20 13:14:18 +01:00
monitor.c
Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20150427' into staging
2015-04-28 10:31:03 +01:00
nbd.c
nbd: Drop unexpected data for NBD_OPT_LIST
2015-03-18 12:07:16 +01:00
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
migration: Convert 'status' of MigrationInfo to use an enum type
2015-03-17 15:20:37 +01:00
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-img: Suppress unhelpful extra errors in convert, amend
2015-02-26 14:51:21 +01:00
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 qemu_co_queue_wait_insert_head
2013-12-02 17:11:49 +01:00
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
Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
2015-03-19 17:47:08 +00:00
qemu-seccomp.c
seccomp: add mlockall to whitelist
2015-01-23 14:07:08 +01:00
qemu-tech.texi
qemu-tech.texi: update implemented xtensa features list
2012-11-29 13:00:52 -06:00
qemu-timer.c
qemu-timer.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: fix typo in author's email address
2015-02-10 09:27:20 +03:00
qmp-commands.hx
qmp: add block-dirty-bitmap-clear
2015-04-28 15:36:10 +02:00
qmp.c
qom: Add can_be_deleted callback to UserCreatableClass
2015-04-01 10:06:38 +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: Fix module build
2015-01-14 10:38:57 +01:00
savevm.c
error: Replace error_report() & error_free() with error_report_err()
2015-03-19 11:11:55 +03:00
softmmu_template.h
Add MemTxAttrs to the IOTLB
2015-04-26 16:49:24 +01:00
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: Remove unused opcodes
2015-02-12 21:21:38 -08:00
thread-pool.c
thread-pool: clean up thread_pool_completion_bh()
2015-04-28 15:36:09 +02:00
thunk.c
exec: move include files to include/exec/
2012-12-19 08:31:31 +01:00
tpm.c
tpm: Remove superfluous '\n' around error_report()
2015-03-10 08:15:33 +03:00
trace-events
s390x/kvm: trace all SIGP orders
2015-03-10 09:26:22 +01:00
translate-all.c
target-i386: remove superfluous TARGET_HAS_SMC macro
2015-04-04 09:45:59 +03:00
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
Avoid crashing on multiple -incoming
2015-03-26 15:31:46 +01:00
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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