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qemu / qemu / 81145834d39897c6f153ac26a4077f90f269c5fc
commit81145834d39897c6f153ac26a4077f90f269c5fc[log] [tgz]
authorStefan Hajnoczi <stefanha@linux.vnet.ibm.com>Mon Nov 14 12:44:24 2011 +0000
committerKevin Wolf <kwolf@redhat.com>Mon Dec 05 14:51:37 2011 +0100
tree9e04e7b769c731f3af263a22bf740157a63f102f
parente850b35a1f41304c31b971bde95f0534f2afd791 [diff]
cow: convert to .bdrv_co_is_allocated()

The cow block driver does not keep internal state for cluster lookups.
This means it is safe to perform cluster lookups in coroutine context
without risk of race conditions that corrupt internal state.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
1 file changed
tree: 9e04e7b769c731f3af263a22bf740157a63f102f
  1. audio/
  2. block/
  3. bsd-user/
  4. darwin-user/
  5. default-configs/
  6. docs/
  7. fpu/
  8. fsdev/
  9. gdb-xml/
  10. hw/
  11. libcacard/
  12. linux-headers/
  13. linux-user/
  14. net/
  15. pc-bios/
  16. qapi/
  17. qga/
  18. QMP/
  19. roms/
  20. scripts/
  21. slirp/
  22. sysconfigs/
  23. target-alpha/
  24. target-arm/
  25. target-cris/
  26. target-i386/
  27. target-lm32/
  28. target-m68k/
  29. target-microblaze/
  30. target-mips/
  31. target-ppc/
  32. target-s390x/
  33. target-sh4/
  34. target-sparc/
  35. target-unicore32/
  36. target-xtensa/
  37. tcg/
  38. tests/
  39. trace/
  40. ui/
  41. .gitignore
  42. .gitmodules
  43. a.out.h
  44. acl.c
  45. acl.h
  46. aes.c
  47. aes.h
  48. aio.c
  49. alpha-dis.c
  50. alpha.ld
  51. arch_init.c
  52. arch_init.h
  53. arm-dis.c
  54. arm-semi.c
  55. arm.ld
  56. async.c
  57. balloon.c
  58. balloon.h
  59. bitmap.c
  60. bitmap.h
  61. bitops.c
  62. bitops.h
  63. block-migration.c
  64. block-migration.h
  65. block.c
  66. block.h
  67. block_int.h
  68. blockdev.c
  69. blockdev.h
  70. bswap.h
  71. bt-host.c
  72. bt-host.h
  73. bt-vhci.c
  74. buffered_file.c
  75. buffered_file.h
  76. cache-utils.c
  77. cache-utils.h
  78. Changelog
  79. check-qdict.c
  80. check-qfloat.c
  81. check-qint.c
  82. check-qjson.c
  83. check-qlist.c
  84. check-qstring.c
  85. cmd.c
  86. cmd.h
  87. CODING_STYLE
  88. compatfd.c
  89. compatfd.h
  90. compiler.h
  91. config.h
  92. configure
  93. console.c
  94. console.h
  95. COPYING
  96. COPYING.LIB
  97. coroutine-gthread.c
  98. coroutine-ucontext.c
  99. coroutine-win32.c
  100. cpu-all.h
  101. cpu-common.h
  102. cpu-defs.h
  103. cpu-exec.c
  104. cpus.c
  105. cpus.h
  106. cris-dis.c
  107. cursor.c
  108. cursor_hidden.xpm
  109. cursor_left_ptr.xpm
  110. cutils.c
  111. def-helper.h
  112. device_tree.c
  113. device_tree.h
  114. dis-asm.h
  115. disas.c
  116. disas.h
  117. dma-helpers.c
  118. dma.h
  119. dyngen-exec.h
  120. elf.h
  121. envlist.c
  122. envlist.h
  123. error.c
  124. error.h
  125. error_int.h
  126. event_notifier.c
  127. event_notifier.h
  128. exec-all.h
  129. exec-memory.h
  130. exec.c
  131. gdbstub.c
  132. gdbstub.h
  133. gen-icount.h
  134. HACKING
  135. hmp-commands.hx
  136. hmp.c
  137. hmp.h
  138. host-utils.c
  139. host-utils.h
  140. hppa-dis.c
  141. hppa.ld
  142. i386-dis.c
  143. i386.ld
  144. ia64-dis.c
  145. ia64.ld
  146. input.c
  147. int128.h
  148. iohandler.c
  149. ioport-user.c
  150. ioport.c
  151. ioport.h
  152. iorange.h
  153. iov.c
  154. iov.h
  155. json-lexer.c
  156. json-lexer.h
  157. json-parser.c
  158. json-parser.h
  159. json-streamer.c
  160. json-streamer.h
  161. kvm-all.c
  162. kvm-stub.c
  163. kvm.h
  164. libfdt_env.h
  165. LICENSE
  166. linux-aio.c
  167. m68k-dis.c
  168. m68k-semi.c
  169. m68k.ld
  170. main-loop.c
  171. main-loop.h
  172. MAINTAINERS
  173. Makefile
  174. Makefile.dis
  175. Makefile.hw
  176. Makefile.objs
  177. Makefile.target
  178. Makefile.user
  179. memory.c
  180. memory.h
  181. microblaze-dis.c
  182. migration-exec.c
  183. migration-fd.c
  184. migration-tcp.c
  185. migration-unix.c
  186. migration.c
  187. migration.h
  188. mips-dis.c
  189. mips.ld
  190. module.c
  191. module.h
  192. monitor.c
  193. monitor.h
  194. nbd.c
  195. nbd.h
  196. net.c
  197. net.h
  198. notify.c
  199. notify.h
  200. os-posix.c
  201. os-win32.c
  202. osdep.c
  203. osdep.h
  204. oslib-posix.c
  205. oslib-win32.c
  206. path.c
  207. pci-ids.txt
  208. pflib.c
  209. pflib.h
  210. poison.h
  211. posix-aio-compat.c
  212. ppc-dis.c
  213. ppc.ld
  214. ppc64.ld
  215. qapi-schema-guest.json
  216. qapi-schema-test.json
  217. qapi-schema.json
  218. qbool.c
  219. qbool.h
  220. qdict-test-data.txt
  221. qdict.c
  222. qdict.h
  223. qemu-aio.h
  224. qemu-barrier.h
  225. qemu-char.c
  226. qemu-char.h
  227. qemu-common.h
  228. qemu-config.c
  229. qemu-config.h
  230. qemu-coroutine-int.h
  231. qemu-coroutine-lock.c
  232. qemu-coroutine.c
  233. qemu-coroutine.h
  234. qemu-doc.texi
  235. qemu-error.c
  236. qemu-error.h
  237. qemu-ga.c
  238. qemu-img-cmds.hx
  239. qemu-img.c
  240. qemu-img.texi
  241. qemu-io.c
  242. qemu-lock.h
  243. qemu-log.h
  244. qemu-nbd.c
  245. qemu-nbd.texi
  246. qemu-objects.h
  247. qemu-option.c
  248. qemu-option.h
  249. qemu-options.h
  250. qemu-options.hx
  251. qemu-os-posix.h
  252. qemu-os-win32.h
  253. qemu-progress.c
  254. qemu-queue.h
  255. qemu-sockets.c
  256. qemu-tech.texi
  257. qemu-thread-posix.c
  258. qemu-thread-posix.h
  259. qemu-thread-win32.c
  260. qemu-thread-win32.h
  261. qemu-thread.h
  262. qemu-timer-common.c
  263. qemu-timer.c
  264. qemu-timer.h
  265. qemu-tls.h
  266. qemu-tool.c
  267. qemu-x509.h
  268. qemu-xattr.h
  269. qemu.sasl
  270. qemu_socket.h
  271. qerror.c
  272. qerror.h
  273. qfloat.c
  274. qfloat.h
  275. qint.c
  276. qint.h
  277. qjson.c
  278. qjson.h
  279. qlist.c
  280. qlist.h
  281. qmp-commands.hx
  282. qmp.c
  283. qobject.h
  284. qstring.c
  285. qstring.h
  286. range.h
  287. readline.c
  288. readline.h
  289. README
  290. rules.mak
  291. s390-dis.c
  292. s390.ld
  293. savevm.c
  294. sh4-dis.c
  295. softmmu-semi.h
  296. softmmu_defs.h
  297. softmmu_exec.h
  298. softmmu_header.h
  299. softmmu_template.h
  300. sparc-dis.c
  301. sparc.ld
  302. sparc64.ld
  303. spice-qemu-char.c
  304. sysemu.h
  305. targphys.h
  306. tcg-runtime.c
  307. tci-dis.c
  308. tci.c
  309. test-coroutine.c
  310. test-qmp-commands.c
  311. test-visitor.c
  312. thunk.c
  313. thunk.h
  314. TODO
  315. trace-events
  316. translate-all.c
  317. uboot_image.h
  318. usb-bsd.c
  319. usb-linux.c
  320. usb-redir.c
  321. usb-stub.c
  322. user-exec.c
  323. VERSION
  324. version.rc
  325. vgafont.h
  326. vl.c
  327. x86_64.ld
  328. xen-all.c
  329. xen-mapcache.c
  330. xen-mapcache.h
  331. xen-stub.c
  332. xtensa-semi.c