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qemu / qemu / e1e9b0aca05747be9e2174a53205bd904c10da49
commite1e9b0aca05747be9e2174a53205bd904c10da49[log] [tgz]
authorPaolo Bonzini <pbonzini@redhat.com>Wed Jun 06 00:04:53 2012 +0200
committerKevin Wolf <kwolf@redhat.com>Fri Jun 15 14:03:43 2012 +0200
tree7f802701f7ca30c40768aa974ec61f8df9af8bc1
parent425b01487a8072c3b16fa4b3fca30d8ecd06e0ca [diff]
block: always open drivers in writeback mode

Formats are entirely in charge of flushes for metadata writes.  For
guest-initiated writes, a writethrough cache is faked in the block layer.
So we can always open in writeback mode.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
1 file changed
tree: 7f802701f7ca30c40768aa974ec61f8df9af8bc1
  1. audio/
  2. block/
  3. bsd-user/
  4. default-configs/
  5. docs/
  6. fpu/
  7. fsdev/
  8. gdb-xml/
  9. hw/
  10. include/
  11. libcacard/
  12. linux-headers/
  13. linux-user/
  14. net/
  15. pc-bios/
  16. qapi/
  17. qga/
  18. QMP/
  19. qom/
  20. roms/
  21. scripts/
  22. slirp/
  23. sysconfigs/
  24. target-alpha/
  25. target-arm/
  26. target-cris/
  27. target-i386/
  28. target-lm32/
  29. target-m68k/
  30. target-microblaze/
  31. target-mips/
  32. target-ppc/
  33. target-s390x/
  34. target-sh4/
  35. target-sparc/
  36. target-unicore32/
  37. target-xtensa/
  38. tcg/
  39. tests/
  40. trace/
  41. ui/
  42. .gitignore
  43. .gitmodules
  44. .mailmap
  45. a.out.h
  46. acl.c
  47. acl.h
  48. aes.c
  49. aes.h
  50. aio.c
  51. alpha-dis.c
  52. alpha.ld
  53. arch_init.c
  54. arch_init.h
  55. arm-dis.c
  56. arm.ld
  57. async.c
  58. balloon.c
  59. balloon.h
  60. bitmap.c
  61. bitmap.h
  62. bitops.c
  63. bitops.h
  64. block-migration.c
  65. block-migration.h
  66. block.c
  67. block.h
  68. block_int.h
  69. blockdev.c
  70. blockdev.h
  71. bswap.h
  72. bt-host.c
  73. bt-host.h
  74. bt-vhci.c
  75. buffered_file.c
  76. buffered_file.h
  77. cache-utils.c
  78. cache-utils.h
  79. Changelog
  80. cmd.c
  81. cmd.h
  82. CODING_STYLE
  83. compatfd.c
  84. compatfd.h
  85. compiler.h
  86. config.h
  87. configure
  88. console.c
  89. console.h
  90. COPYING
  91. COPYING.LIB
  92. coroutine-gthread.c
  93. coroutine-sigaltstack.c
  94. coroutine-ucontext.c
  95. coroutine-win32.c
  96. cpu-all.h
  97. cpu-common.h
  98. cpu-defs.h
  99. cpu-exec.c
  100. cpus.c
  101. cpus.h
  102. cputlb.c
  103. cputlb.h
  104. cris-dis.c
  105. cursor.c
  106. cursor_hidden.xpm
  107. cursor_left_ptr.xpm
  108. cutils.c
  109. def-helper.h
  110. device_tree.c
  111. device_tree.h
  112. dis-asm.h
  113. disas.c
  114. disas.h
  115. dma-helpers.c
  116. dma.h
  117. dump-stub.c
  118. dump.c
  119. dump.h
  120. dyngen-exec.h
  121. elf.h
  122. envlist.c
  123. envlist.h
  124. error.c
  125. error.h
  126. error_int.h
  127. event_notifier.c
  128. event_notifier.h
  129. exec-all.h
  130. exec-memory.h
  131. exec-obsolete.h
  132. exec.c
  133. gdbstub.c
  134. gdbstub.h
  135. gen-icount.h
  136. HACKING
  137. hmp-commands.hx
  138. hmp.c
  139. hmp.h
  140. host-utils.c
  141. host-utils.h
  142. hppa-dis.c
  143. hppa.ld
  144. i386-dis.c
  145. i386.ld
  146. ia64-dis.c
  147. ia64.ld
  148. input.c
  149. int128.h
  150. iohandler.c
  151. ioport.c
  152. ioport.h
  153. iorange.h
  154. iov.c
  155. iov.h
  156. json-lexer.c
  157. json-lexer.h
  158. json-parser.c
  159. json-parser.h
  160. json-streamer.c
  161. json-streamer.h
  162. kvm-all.c
  163. kvm-stub.c
  164. kvm.h
  165. libfdt_env.h
  166. LICENSE
  167. linux-aio.c
  168. lm32-dis.c
  169. m68k-dis.c
  170. m68k.ld
  171. main-loop.c
  172. main-loop.h
  173. MAINTAINERS
  174. Makefile
  175. Makefile.dis
  176. Makefile.hw
  177. Makefile.objs
  178. Makefile.target
  179. Makefile.user
  180. memory.c
  181. memory.h
  182. memory_mapping-stub.c
  183. memory_mapping.c
  184. memory_mapping.h
  185. microblaze-dis.c
  186. migration-exec.c
  187. migration-fd.c
  188. migration-tcp.c
  189. migration-unix.c
  190. migration.c
  191. migration.h
  192. mips-dis.c
  193. mips.ld
  194. module.c
  195. module.h
  196. monitor.c
  197. monitor.h
  198. nbd.c
  199. nbd.h
  200. net.c
  201. net.h
  202. notify.c
  203. notify.h
  204. os-posix.c
  205. os-win32.c
  206. osdep.c
  207. osdep.h
  208. oslib-posix.c
  209. oslib-win32.c
  210. path.c
  211. pci-ids.txt
  212. pflib.c
  213. pflib.h
  214. poison.h
  215. posix-aio-compat.c
  216. ppc-dis.c
  217. ppc.ld
  218. ppc64.ld
  219. qapi-schema-guest.json
  220. qapi-schema-test.json
  221. qapi-schema.json
  222. qbool.c
  223. qbool.h
  224. qdict-test-data.txt
  225. qdict.c
  226. qdict.h
  227. qemu-aio.h
  228. qemu-barrier.h
  229. qemu-bridge-helper.c
  230. qemu-char.c
  231. qemu-char.h
  232. qemu-common.h
  233. qemu-config.c
  234. qemu-config.h
  235. qemu-coroutine-int.h
  236. qemu-coroutine-io.c
  237. qemu-coroutine-lock.c
  238. qemu-coroutine-sleep.c
  239. qemu-coroutine.c
  240. qemu-coroutine.h
  241. qemu-doc.texi
  242. qemu-error.c
  243. qemu-error.h
  244. qemu-file.h
  245. qemu-ga.c
  246. qemu-img-cmds.hx
  247. qemu-img.c
  248. qemu-img.texi
  249. qemu-io.c
  250. qemu-lock.h
  251. qemu-log.h
  252. qemu-nbd.c
  253. qemu-nbd.texi
  254. qemu-objects.h
  255. qemu-option.c
  256. qemu-option.h
  257. qemu-options-wrapper.h
  258. qemu-options.h
  259. qemu-options.hx
  260. qemu-os-posix.h
  261. qemu-os-win32.h
  262. qemu-progress.c
  263. qemu-queue.h
  264. qemu-sockets.c
  265. qemu-tech.texi
  266. qemu-thread-posix.c
  267. qemu-thread-posix.h
  268. qemu-thread-win32.c
  269. qemu-thread-win32.h
  270. qemu-thread.h
  271. qemu-timer-common.c
  272. qemu-timer.c
  273. qemu-timer.h
  274. qemu-tls.h
  275. qemu-tool.c
  276. qemu-user.c
  277. qemu-x509.h
  278. qemu-xattr.h
  279. qemu.sasl
  280. qemu_socket.h
  281. qerror.c
  282. qerror.h
  283. qfloat.c
  284. qfloat.h
  285. qint.c
  286. qint.h
  287. qjson.c
  288. qjson.h
  289. qlist.c
  290. qlist.h
  291. qmp-commands.hx
  292. qmp.c
  293. qobject.h
  294. qstring.c
  295. qstring.h
  296. qtest.c
  297. qtest.h
  298. range.h
  299. readline.c
  300. readline.h
  301. README
  302. rules.mak
  303. s390-dis.c
  304. s390.ld
  305. savevm.c
  306. sh4-dis.c
  307. softmmu-semi.h
  308. softmmu_defs.h
  309. softmmu_exec.h
  310. softmmu_header.h
  311. softmmu_template.h
  312. sparc-dis.c
  313. sparc.ld
  314. sparc64.ld
  315. spice-qemu-char.c
  316. sysemu.h
  317. targphys.h
  318. tcg-runtime.c
  319. tci-dis.c
  320. tci.c
  321. thunk.c
  322. thunk.h
  323. TODO
  324. trace-events
  325. translate-all.c
  326. uboot_image.h
  327. user-exec.c
  328. VERSION
  329. version.rc
  330. vgafont.h
  331. vl.c
  332. vmstate.h
  333. x86_64.ld
  334. xen-all.c
  335. xen-mapcache.c
  336. xen-mapcache.h
  337. xen-stub.c