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Hu Tao 0e4271b711 qcow2: Add falloc and full preallocation option
preallocation=falloc allocates disk space by posix_fallocate(),
preallocation=full allocates disk space by writing zeros to disk.
Both modes imply preallocation=metadata.

Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-09-12 15:43:06 +02:00
audio audio: Drop superfluous conditionals around g_free() 2014-06-13 12:34:54 +02:00
backends hostmem: set MPOL_MF_MOVE 2014-08-20 21:15:56 +02:00
block qcow2: Add falloc and full preallocation option 2014-09-12 15:43:06 +02:00
bsd-user bsd-user: Fix syscall format, add strace support for more syscalls 2014-06-11 00:25:06 +01:00
default-configs PPC: Fix default config ordering and add eTSEC for ppc64 2014-09-08 12:50:54 +02:00
disas disas/libvixl: Update to upstream VIXL 1.5 2014-08-29 15:00:27 +01:00
docs SCSI changes that enable sending vendor-specific commands via virtio-scsi. 2014-08-19 13:00:57 +01:00
dtc@bc895d6d09
fpu fpu: softfloat: drop INLINE macro 2014-06-23 11:00:12 -04:00
fsdev virtfs-proxy-helper: fix call to accept 2014-04-28 08:55:32 +04:00
gdb-xml s390x/gdb: add the feature xml files for s390x 2014-09-01 09:45:19 +02:00
hw dataplane: fix virtio_blk_data_plane_create() op blocker error path 2014-09-11 16:21:46 +02:00
include block: Make the block accounting functions operate on BlockAcctStats 2014-09-10 10:41:29 +02:00
libcacard vscclient: Add required headers to fix build on FreeBSD 2014-06-24 20:01:24 +04:00
libdecnumber libdecnumber: Fix warnings from smatch (missing static, boolean operations) 2014-08-24 13:21:06 +04:00
linux-headers linux-headers: update linux headers to kvm/next 2014-06-16 13:24:41 +02:00
linux-user linux-user: Handle PPC64 ELFv2 Function Pointers 2014-09-08 12:50:46 +02:00
net Net patches 2014-09-04 17:39:07 +01:00
pc-bios pc-bios/s390-ccw.img binary update 2014-09-01 09:23:02 +02:00
pixman@97336fad32
po po: Fix Makefile rules for in-tree builds without configuration 2014-08-24 13:16:42 +04:00
qapi qapi: introduce PreallocMode and new PreallocModes full and falloc. 2014-09-12 15:43:06 +02:00
qga channel-posix: using qemu_set_nonblock() instead of fcntl(O_NONBLOCK) 2014-08-15 18:03:13 +01:00
qobject json-lexer: fix escaped backslash in single-quoted string 2014-06-23 11:01:24 -04:00
qom qom: Add automatic arrayification to object_property_add() 2014-09-04 16:14:47 +02:00
roms Update OpenBIOS images 2014-08-26 13:52:15 +01:00
scripts scripts: Remove scripts/qtest 2014-09-02 22:38:16 +04:00
slirp slirp/misc: Use the GLib memory allocation APIs 2014-08-24 13:16:32 +04:00
stubs monitor: fix use after free 2014-08-18 14:39:10 -04:00
sysconfigs/target
target-alpha trace: [tcg] Include TCG-tracing header on all targets 2014-08-12 14:26:12 +01:00
target-arm target-arm: Implement pmccfiltr_write function 2014-08-29 15:00:30 +01:00
target-cris trace: [tcg] Include TCG-tracing header on all targets 2014-08-12 14:26:12 +01:00
target-i386 target-i386: Reject invalid CPU feature names on the command-line 2014-09-05 16:37:07 +02:00
target-lm32 trace: [tcg] Include TCG-tracing header on all targets 2014-08-12 14:26:12 +01:00
target-m68k trace: [tcg] Include TCG-tracing header on all targets 2014-08-12 14:26:12 +01:00
target-microblaze trace: [tcg] Include TCG-tracing header on all targets 2014-08-12 14:26:12 +01:00
target-mips trace: [tcg] Include TCG-tracing header on all targets 2014-08-12 14:26:12 +01:00
target-moxie softmmu: introduce cpu_ldst.h 2014-06-05 16:10:33 +02:00
target-openrisc trace: [tcg] Include TCG-tracing header on all targets 2014-08-12 14:26:12 +01:00
target-ppc target-ppc: Implement mulldo with TCG 2014-09-08 12:50:53 +02:00
target-s390x s390x/gdb: coding style fixes 2014-09-01 09:45:19 +02:00
target-sh4 trace: [tcg] Include TCG-tracing header on all targets 2014-08-12 14:26:12 +01:00
target-sparc target-sparc64: implement Short Floating-Point Store Instructions 2014-08-17 13:24:27 +01:00
target-tricore target-tricore: Add instructions of SR opcode format 2014-09-01 14:49:21 +01:00
target-unicore32 trace: [tcg] Include TCG-tracing header on all targets 2014-08-12 14:26:12 +01:00
target-xtensa trace: [tcg] Include TCG-tracing header on all targets 2014-08-12 14:26:12 +01:00
tcg tcg: dump op count into qemu log 2014-08-24 13:16:32 +04:00
tests qcow2: Add falloc and full preallocation option 2014-09-12 15:43:06 +02:00
trace trace: [tcg] Generate TCG tracing routines 2014-08-12 14:26:12 +01:00
ui spice: make sure we don't overflow ssd->buf 2014-09-05 12:19:50 +02:00
util util/path: Use the GLib memory allocation routines 2014-08-24 13:16:32 +04:00
.exrc
.gitignore trace: [tcg] Generate TCG tracing routines 2014-08-12 14:26:12 +01:00
.gitmodules PPC: Add u-boot firmware for e500 2014-06-16 13:24:35 +02:00
.mailmap
.travis.yml trace: Multi-backend tracing 2014-06-09 15:43:40 +02:00
aio-posix.c AioContext: introduce aio_prepare 2014-08-29 10:46:58 +01:00
aio-win32.c aio-win32: add support for sockets 2014-08-29 10:46:58 +01:00
arch_init.c target-tricore: Add target stubs and qom-cpu 2014-09-01 14:49:20 +01:00
async.c AioContext: introduce aio_prepare 2014-08-29 10:46:58 +01:00
balloon.c qapi event: convert BALLOON_CHANGE 2014-06-23 11:12:28 -04:00
block-migration.c block: Use g_new() & friends where that makes obvious sense 2014-08-20 11:51:28 +02:00
block.c block: extend BLOCK_IO_ERROR with reason string 2014-09-11 17:14:13 +02:00
blockdev-nbd.c block: Use g_new() & friends where that makes obvious sense 2014-08-20 11:51:28 +02:00
blockdev.c blockdev: Refuse to drive_del something added with blockdev-add 2014-09-11 17:14:24 +02:00
blockjob.c coroutine: Drop co_sleep_ns 2014-08-29 10:46:58 +01:00
bt-host.c
bt-vhci.c
Changelog
CODING_STYLE CODING_STYLE: Section about conditional statement 2014-08-15 18:54:06 +04:00
configure target-tricore: Add initialization for translation and activate target 2014-09-01 14:49:20 +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-ucontext.c
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 target-tricore: Add target stubs and qom-cpu 2014-09-01 14:49:20 +01:00
cpus.c target-tricore: Add target stubs and qom-cpu 2014-09-01 14:49:20 +01:00
cputlb.c implementing victim TLB for QEMU system emulated TLB 2014-09-01 17:43:06 +01:00
device_tree.c device_tree.c: dump all err mesages with error_report 2014-09-02 22:38:16 +04:00
device-hotplug.c blockdev: Remove unused DriveInfo reference count 2014-06-16 17:23:19 +08:00
disas.c monitor: QEMU Monitor Instruction Disassembly Incorrect for PowerPC LE Mode 2014-06-16 13:24:26 +02:00
dma-helpers.c block: Make the block accounting functions operate on BlockAcctStats 2014-09-10 10:41:29 +02:00
dump.c dump.c: Fix memory leak issue in cleanup processing for dump_init() 2014-08-18 14:39:10 -04:00
exec.c exec: Save CPUState::exception_index field 2014-09-05 16:32:48 +02:00
gdbstub.c exec: Change cpu_breakpoint_{insert,remove{,_by_ref,_all}} argument 2014-03-13 19:20:48 +01:00
HACKING
hmp-commands.hx cpus: Define callback for QEMU "nmi" command 2014-08-25 13:25:16 +02:00
hmp.c hmp: fix MemdevList memory leak 2014-09-02 22:38:16 +04:00
hmp.h hmp: add info memdev 2014-06-19 18:44:21 +03:00
iohandler.c iohandler.c: Properly initialize sigaction struct 2014-05-24 00:07:29 +04:00
ioport.c memory: convert memory_region_destroy to object_unparent 2014-08-18 12:06:20 +02:00
iothread.c AioContext: do not rely on aio_poll(ctx, true) result to end a loop 2014-07-14 12:03:20 +02:00
kvm-all.c KVM: Add helper to run KVM_CHECK_EXTENSION on vm fd 2014-09-08 12:50:51 +02:00
kvm-stub.c Add kvm_eventfds_enabled function 2014-06-19 16:41:54 +03:00
LICENSE
main-loop.c block: drop aio functions that operate on the main AioContext 2014-07-09 15:50:11 +02:00
MAINTAINERS MAINTAINERS: update sheepdog maintainer 2014-09-08 11:12:43 +01:00
Makefile Tracing pull request 2014-08-15 16:37:17 +01:00
Makefile.objs Tracing pull request 2014-08-15 16:37:17 +01:00
Makefile.target trace: [tcg] Define TCG tracing helper routines 2014-08-12 14:26:12 +01:00
memory_mapping.c
memory.c memory: Remove object_property_add_child_array() 2014-09-04 16:14:47 +02:00
migration-exec.c
migration-fd.c
migration-rdma.c rdma: bug fixes 2014-06-23 19:09:50 +02:00
migration-tcp.c Coverity: Fix failure path for qemu_accept in migration 2014-05-05 22:15:03 +02:00
migration-unix.c Coverity: Fix failure path for qemu_accept in migration 2014-05-05 22:15:03 +02:00
migration.c migration: catch unknown flags in ram_load 2014-06-16 04:55:27 +02:00
module-common.c module: implement module loading 2014-02-20 13:14:18 +01:00
monitor.c monitor: fix use after free 2014-08-18 14:39:10 -04:00
nbd.c nbd: Follow the BDS' AIO context 2014-08-29 10:48:45 +01:00
numa.c hmp: fix MemdevList memory leak 2014-09-02 22:38:16 +04:00
os-posix.c oslib-posix: Fix build on FreeBSD 2014-03-13 14:34:16 +00:00
os-win32.c util: Split out exec_dir from os_find_datadir 2014-02-20 13:12:54 +01:00
page_cache.c migration: Plug memory leak in migrate-set-cache-size command 2014-06-10 19:54:43 +04:00
qapi-schema.json cpus: Define callback for QEMU "nmi" command 2014-08-25 13:25:16 +02:00
qdev-monitor.c trivial patches for 2014-08-15 2014-08-15 18:44:48 +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 pty: Fix byte loss bug when connecting to pty 2014-09-05 13:27:10 +02:00
qemu-coroutine-io.c qemu-coroutine-io: fix for Win32 2014-08-29 10:46:58 +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: make pool size dynamic 2014-08-15 15:07:14 +02:00
qemu-doc.texi qcow2: Add falloc and full preallocation option 2014-09-12 15:43:06 +02:00
qemu-file.c Make qemu_peek_buffer loop until it gets it's data 2014-05-05 22:15:03 +02:00
qemu-img-cmds.hx qemu-img: Allow cache mode specification for amend 2014-08-22 14:54:48 +02:00
qemu-img.c qemu-img: clarify src_cache option documentation 2014-09-08 11:12:43 +01:00
qemu-img.texi qcow2: Add falloc and full preallocation option 2014-09-12 15:43:06 +02:00
qemu-io-cmds.c qemu-io-cmds: g_renew() can't fail, bury dead error handling 2014-08-20 11:51:28 +02:00
qemu-io.c qemu-io: Clean up openfile() after commit 2e40134 2014-09-10 10:41:29 +02:00
qemu-log.c
qemu-nbd.c qemu-nbd: fix indentation and coding style 2014-09-08 11:12:43 +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 pci, pc fixes, features 2014-09-02 16:07:31 +01:00
qemu-seccomp.c seccomp: add semctl() to the syscall whitelist 2014-08-21 10:29:16 +02:00
qemu-tech.texi
qemu-timer.c vl.c: remove init_clocks call from main 2014-05-09 20:57:32 +02:00
qemu.nsi
qemu.sasl sasl: Avoid 'Could not find keytab file' in syslog 2014-03-15 13:54:18 +04:00
qmp-commands.hx cpus: Define callback for QEMU "nmi" command 2014-08-25 13:25:16 +02:00
qmp.c qmp: hide "hotplugged" device property from device-list-properties 2014-08-15 15:07:13 +02:00
qtest.c icount: Add QemuOpts for icount 2014-08-06 17:53:07 +02:00
README
rules.mak build-sys: introduce install-prog macro to install&strip binaries and use it 2014-06-24 20:01:24 +04:00
savevm.c savevm: check vmsd for migratability status 2014-06-25 23:54:57 +02:00
softmmu_template.h implementing victim TLB for QEMU system emulated TLB 2014-09-01 17:43:06 +01:00
spice-qemu-char.c qemu-char: introduce qemu_chr_alloc 2014-06-23 11:12:28 -04:00
tcg-runtime.c tcg: Push tcg-runtime routines into exec/helper-* 2014-05-28 09:33:54 -07:00
tci.c Merge remote-tracking branch 'remotes/bonzini/softmmu-smap' into staging 2014-06-05 21:06:14 +01:00
thread-pool.c thread-pool: Drop unnecessary includes 2014-09-10 10:41:29 +02:00
thunk.c
tpm.c Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
trace-events usb: add usb host adapters exit trace 2014-08-29 12:52:14 +02:00
translate-all.c trace: add some tcg tracing support 2014-08-12 14:26:12 +01:00
translate-all.h translate-all: Change tb_check_watchpoint() argument to CPUState 2014-03-13 19:20:48 +01:00
user-exec.c softmmu: introduce cpu_ldst.h 2014-06-05 16:10:33 +02:00
VERSION Open 2.2 development tree 2014-08-01 18:30:08 +01:00
version.rc
vl.c machine: Clean up -machine handling 2014-09-04 16:14:47 +02:00
vmstate.c vmstate: Add preallocation for migrating arrays (VMS_ALLOC flag) 2014-06-27 13:48:27 +02:00
xbzrle.c xbzrle.c: Avoid undefined behaviour with signed arithmetic 2014-04-18 10:33:36 +04:00
xen-common-stub.c xen: factor out common functions 2014-05-07 16:16:43 +00:00
xen-common.c xen: factor out common functions 2014-05-07 16:16:43 +00:00
xen-hvm-stub.c xen-hvm: Fix xen_hvm_init() to adjust pc memory layout 2014-06-23 17:50:04 +03:00
xen-hvm.c xen: hvm: Abstract away memory region name ref 2014-08-28 16:09:44 +02:00
xen-mapcache.c xen: build on ARM 2014-07-07 10:37:40 +00:00

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

- QEMU team