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qemu-android / qemu-android / 0076bc0c1d93adcbc7f1af184e04902cf37e9ab8
commit0076bc0c1d93adcbc7f1af184e04902cf37e9ab8[log] [tgz]
authorChristoph Hellwig <hch@lst.de>Tue Jan 19 22:15:39 2010 +0100
committerAnthony Liguori <aliguori@us.ibm.com>Wed Jan 20 08:51:40 2010 -0600
tree7c0bc0f4f0ab2d7424d3d162e56f394ef11c5584
parent1d44952fc7f4de113eae892401e4d50ee476e82e [diff]
block: prevent multiwrite_merge from creating too large iovecs

If we go over the maximum number of iovecs support by syscall we get
back EINVAL from the kernel which translate to I/O errors for the guest.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
1 file changed
tree: 7c0bc0f4f0ab2d7424d3d162e56f394ef11c5584
  1. audio/
  2. block/
  3. bsd-user/
  4. darwin-user/
  5. default-configs/
  6. docs/
  7. fpu/
  8. gdb-xml/
  9. hw/
  10. linux-user/
  11. net/
  12. pc-bios/
  13. QMP/
  14. roms/
  15. slirp/
  16. target-alpha/
  17. target-arm/
  18. target-cris/
  19. target-i386/
  20. target-m68k/
  21. target-microblaze/
  22. target-mips/
  23. target-ppc/
  24. target-s390x/
  25. target-sh4/
  26. target-sparc/
  27. tcg/
  28. tests/
  29. .gitignore
  30. .gitmodules
  31. a.out.h
  32. acl.c
  33. acl.h
  34. aes.c
  35. aes.h
  36. aio.c
  37. alpha-dis.c
  38. alpha.ld
  39. arm-dis.c
  40. arm-semi.c
  41. arm.ld
  42. async.c
  43. balloon.h
  44. block-migration.c
  45. block-migration.h
  46. block.c
  47. block.h
  48. block_int.h
  49. bswap.h
  50. bt-host.c
  51. bt-host.h
  52. bt-vhci.c
  53. buffered_file.c
  54. buffered_file.h
  55. cache-utils.c
  56. cache-utils.h
  57. Changelog
  58. check-qdict.c
  59. check-qfloat.c
  60. check-qint.c
  61. check-qjson.c
  62. check-qlist.c
  63. check-qstring.c
  64. cmd.c
  65. cmd.h
  66. cocoa.m
  67. CODING_STYLE
  68. config.h
  69. configure
  70. console.c
  71. console.h
  72. COPYING
  73. COPYING.LIB
  74. cpu-all.h
  75. cpu-common.h
  76. cpu-defs.h
  77. cpu-exec.c
  78. create_config
  79. cris-dis.c
  80. curses.c
  81. curses_keys.h
  82. cutils.c
  83. d3des.c
  84. d3des.h
  85. def-helper.h
  86. device_tree.c
  87. device_tree.h
  88. dis-asm.h
  89. disas.c
  90. disas.h
  91. dma-helpers.c
  92. dma.h
  93. dyngen-exec.h
  94. elf.h
  95. envlist.c
  96. envlist.h
  97. exec-all.h
  98. exec.c
  99. feature_to_c.sh
  100. gdbstub.c
  101. gdbstub.h
  102. gen-icount.h
  103. host-utils.c
  104. host-utils.h
  105. hostregs_helper.h
  106. hpet.h
  107. hppa-dis.c
  108. hppa.ld
  109. hxtool
  110. i386-dis.c
  111. i386.ld
  112. ia64.ld
  113. input.c
  114. ioport-user.c
  115. ioport.c
  116. ioport.h
  117. json-lexer.c
  118. json-lexer.h
  119. json-parser.c
  120. json-parser.h
  121. json-streamer.c
  122. json-streamer.h
  123. keymaps.c
  124. keymaps.h
  125. kvm-all.c
  126. kvm.h
  127. libfdt_env.h
  128. LICENSE
  129. linux-aio.c
  130. m68k-dis.c
  131. m68k-semi.c
  132. m68k.ld
  133. MAINTAINERS
  134. Makefile
  135. Makefile.hw
  136. Makefile.objs
  137. Makefile.target
  138. Makefile.user
  139. microblaze-dis.c
  140. migration-exec.c
  141. migration-fd.c
  142. migration-tcp.c
  143. migration-unix.c
  144. migration.c
  145. migration.h
  146. mips-dis.c
  147. mips.ld
  148. module.c
  149. module.h
  150. monitor.c
  151. monitor.h
  152. nbd.c
  153. nbd.h
  154. net-checksum.c
  155. net.c
  156. net.h
  157. osdep.c
  158. osdep.h
  159. path.c
  160. pci-ids.txt
  161. posix-aio-compat.c
  162. ppc-dis.c
  163. ppc.ld
  164. ppc64.ld
  165. qbool.c
  166. qbool.h
  167. qdict-test-data.txt
  168. qdict.c
  169. qdict.h
  170. qemu-aio.h
  171. qemu-binfmt-conf.sh
  172. qemu-char.c
  173. qemu-char.h
  174. qemu-common.h
  175. qemu-config.c
  176. qemu-config.h
  177. qemu-doc.texi
  178. qemu-img-cmds.hx
  179. qemu-img.c
  180. qemu-img.texi
  181. qemu-io.c
  182. qemu-lock.h
  183. qemu-log.h
  184. qemu-malloc.c
  185. qemu-monitor.hx
  186. qemu-nbd.c
  187. qemu-nbd.texi
  188. qemu-objects.h
  189. qemu-option.c
  190. qemu-option.h
  191. qemu-options.hx
  192. qemu-queue.h
  193. qemu-sockets.c
  194. qemu-tech.texi
  195. qemu-thread.c
  196. qemu-thread.h
  197. qemu-timer.h
  198. qemu-tool.c
  199. qemu.sasl
  200. qemu_socket.h
  201. qerror.c
  202. qerror.h
  203. qfloat.c
  204. qfloat.h
  205. qint.c
  206. qint.h
  207. qjson.c
  208. qjson.h
  209. qlist.c
  210. qlist.h
  211. qobject.h
  212. qstring.c
  213. qstring.h
  214. readline.c
  215. readline.h
  216. README
  217. rules.mak
  218. s390-dis.c
  219. s390.ld
  220. savevm.c
  221. sdl.c
  222. sdl_keysym.h
  223. sdl_zoom.c
  224. sdl_zoom.h
  225. sdl_zoom_template.h
  226. sh4-dis.c
  227. softmmu-semi.h
  228. softmmu_defs.h
  229. softmmu_exec.h
  230. softmmu_header.h
  231. softmmu_template.h
  232. sparc-dis.c
  233. sparc.ld
  234. sparc64.ld
  235. sysemu.h
  236. targphys.h
  237. tcg-runtime.c
  238. texi2pod.pl
  239. thunk.c
  240. thunk.h
  241. TODO
  242. translate-all.c
  243. uboot_image.h
  244. usb-bsd.c
  245. usb-linux.c
  246. usb-stub.c
  247. VERSION
  248. vgafont.h
  249. vl.c
  250. vnc-auth-sasl.c
  251. vnc-auth-sasl.h
  252. vnc-auth-vencrypt.c
  253. vnc-auth-vencrypt.h
  254. vnc-tls.c
  255. vnc-tls.h
  256. vnc.c
  257. vnc.h
  258. vnc_keysym.h
  259. vnchextile.h
  260. x86_64.ld
  261. x_keymap.c
  262. x_keymap.h